/* Frontend Core Design System - Premium Dark Slate Theme */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);

    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);

    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(15, 23, 42, 0.6);

    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.frontend-body {
    background: var(--bg-gradient);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.frontend-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    padding: 2.5rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

/* Navigation/Header */
.frontend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.brand-title {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

/* Buttons */
.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
}

.btn-premium-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-premium-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 var(--primary-glow);
}

.btn-premium-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-premium-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Landing Page Grid */
.landing-hero {
    text-align: center;
    margin-bottom: 4rem;
}

.landing-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.1;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Authentication Forms */
.auth-wrapper {
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
}

.auth-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    text-align: center;
}

.auth-form-group {
    margin-bottom: 1.25rem;
}

.auth-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-input {
    box-sizing: border-box;
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.auth-error-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Dashboard Styles */
.dashboard-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.dashboard-action-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.dashboard-action-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.dashboard-action-card:hover {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateX(4px);
}

.dashboard-action-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.dashboard-action-content {
    flex: 1;
}

.dashboard-action-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.dashboard-action-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    font-weight: 600;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Modal dialog */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content-panel {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    padding: 2rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content-panel {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close-btn:hover {
    color: var(--text-color);
}

/* ================================================================
   DESIGN-01 – Public Auth Redesign (Landing / Login / Register)
   Teal-Cyan premium theme, light + dark mode, mobile-first
   ================================================================ */

/* --- Custom Properties ----------------------------------------- */
:root {
    --d01-primary: #14b8a6;
    --d01-primary-d: #0d9488;
    --d01-accent: #06b6d4;
    --d01-warm: #f59e0b;
    --d01-danger: #ef4444;
    --d01-glow: rgba(20, 184, 166, 0.28);
    --d01-radius-xl: 20px;
    --d01-radius-lg: 14px;
    --d01-radius-md: 10px;
    --d01-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* Dark defaults */
    --d01-bg: #020617;
    --d01-bg-mid: #0f172a;
    --d01-surface: rgba(15, 23, 42, 0.82);
    --d01-surface-2: rgba(14, 21, 40, 0.55);
    --d01-border: rgba(20, 184, 166, 0.14);
    --d01-border-2: rgba(255, 255, 255, 0.07);
    --d01-text: #f0fdfa;
    --d01-text-muted: #7ecec4;
    --d01-text-dim: #64748b;
    --d01-input-bg: rgba(2, 6, 23, 0.7);
    --d01-blob-1: rgba(20, 184, 166, 0.18);
    --d01-blob-2: rgba(6, 182, 212, 0.13);
    --d01-blob-3: rgba(59, 130, 246, 0.10);
    --d01-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
    --d01-nav-bg: rgba(2, 6, 23, 0.78);
    --d01-badge-bg: rgba(20, 184, 166, 0.12);
    --d01-step-bg: rgba(15, 23, 42, 0.75);
    --d01-drawer-bg: #07111f;
}

html:not(.dark) {
    --d01-primary: #0d9488;
    --d01-primary-d: #0f766e;
    --d01-accent: #0891b2;
    --d01-warm: #d97706;
    --d01-glow: rgba(13, 148, 136, 0.22);
    --d01-bg: #f0fdfa;
    --d01-bg-mid: #ecfeff;
    --d01-surface: rgba(255, 255, 255, 0.93);
    --d01-surface-2: rgba(240, 253, 250, 0.8);
    --d01-border: rgba(13, 148, 136, 0.18);
    --d01-border-2: rgba(0, 0, 0, 0.07);
    --d01-text: #042f2e;
    --d01-text-muted: #0f766e;
    --d01-text-dim: #475569;
    --d01-input-bg: rgba(255, 255, 255, 0.97);
    --d01-blob-1: rgba(13, 148, 136, 0.12);
    --d01-blob-2: rgba(6, 182, 212, 0.09);
    --d01-blob-3: rgba(59, 130, 246, 0.06);
    --d01-shadow: 0 20px 50px rgba(13, 148, 136, 0.12);
    --d01-nav-bg: rgba(240, 253, 250, 0.88);
    --d01-badge-bg: rgba(13, 148, 136, 0.10);
    --d01-step-bg: rgba(255, 255, 255, 0.85);
    --d01-drawer-bg: #ffffff;
}

/* --- Body & Aurora --------------------------------------------- */
.d01-body {
    font-family: 'Noto Sans Armenian', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--d01-bg);
    color: var(--d01-text);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    transition: background-color 0.4s ease, color 0.4s ease;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.d01-aurora {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.d01-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    will-change: transform;
}

.d01-blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--d01-blob-1), transparent 70%);
    top: -200px;
    right: -100px;
    animation: d01-float-1 22s ease-in-out infinite;
}

.d01-blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--d01-blob-2), transparent 70%);
    bottom: -150px;
    left: -150px;
    animation: d01-float-2 27s ease-in-out infinite;
}

.d01-blob-3 {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, var(--d01-blob-3), transparent 70%);
    top: 45%;
    left: 35%;
    animation: d01-float-3 19s ease-in-out infinite;
}

@keyframes d01-float-1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(40px, -50px) scale(1.08);
    }

    66% {
        transform: translate(-30px, 30px) scale(0.95);
    }
}

@keyframes d01-float-2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-40px, 40px) scale(1.05);
    }

    66% {
        transform: translate(50px, -30px) scale(0.93);
    }
}

@keyframes d01-float-3 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(60px, -40px) scale(1.1);
    }
}

/* --- Layout ---------------------------------------------------- */
.d01-wrap {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.d01-container {
    max-width: 1140px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* --- Navigation ------------------------------------------------ */
.d01-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--d01-nav-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--d01-border);
    transition: background 0.4s ease;
}

.d01-nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.d01-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.1rem;
    text-decoration: none;
    color: var(--d01-text);
    letter-spacing: -0.4px;
    transition: opacity 0.25s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.d01-brand:hover {
    opacity: 0.75;
}

.d01-brand-icon {
    color: var(--d01-primary);
    font-size: 1.05rem;
    flex-shrink: 0;
}

.d01-brand-knowledge {
    font-weight: 600;
}

.d01-brand-trainer {
    font-weight: 300;
    opacity: 0.55;
    margin-left: -6px;
}

.d01-brand-dot {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--d01-glow);
}

.d01-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --- Buttons --------------------------------------------------- */
.d01-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    border: none;
    border-radius: var(--d01-radius-lg);
    cursor: pointer;
    text-decoration: none;
    transition: var(--d01-transition);
    white-space: nowrap;
    padding: 0.6rem 1.2rem;
    line-height: 1;
    -webkit-tap-highlight-color: transparent;
}

.d01-btn-primary {
    background: linear-gradient(135deg, var(--d01-primary) 0%, var(--d01-primary-d) 100%);
    color: #ffffff;
    box-shadow: 0 4px 16px var(--d01-glow);
}

.d01-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--d01-glow);
    filter: brightness(1.08);
    color: #ffffff;
}

.d01-btn-primary:active {
    transform: translateY(0);
}

.d01-btn-ghost {
    background: var(--d01-surface-2);
    color: var(--d01-text);
    border: 1px solid var(--d01-border-2);
}

.d01-btn-ghost:hover {
    background: var(--d01-badge-bg);
    border-color: var(--d01-border);
    transform: translateY(-1px);
    color: var(--d01-text);
}

.d01-btn-outline {
    background: transparent;
    color: var(--d01-primary);
    border: 2px solid var(--d01-primary);
}

.d01-btn-outline:hover {
    background: var(--d01-badge-bg);
    transform: translateY(-2px);
    color: var(--d01-primary);
}

.d01-btn-lg {
    padding: 0.85rem 1.9rem;
    font-size: 1rem;
    border-radius: var(--d01-radius-xl);
}

.d01-btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--d01-radius-md);
    font-size: 0.95rem;
    background: var(--d01-surface-2);
    color: var(--d01-text);
    border: 1px solid var(--d01-border-2);
}

.d01-btn-icon:hover {
    background: var(--d01-badge-bg);
    border-color: var(--d01-border);
    color: var(--d01-primary);
}

/* --- Gradient text --------------------------------------------- */
.d01-gradient-text {
    background: linear-gradient(135deg, var(--d01-primary) 0%, var(--d01-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Hero ------------------------------------------------------ */
.d01-hero {
    padding: 4.5rem 0 3.5rem;
    text-align: center;
}

.d01-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--d01-badge-bg);
    border: 1px solid var(--d01-border);
    border-radius: 100px;
    padding: 0.45rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--d01-primary);
    margin-bottom: 1.75rem;
    animation: d01-fade-up 0.6s ease both;
}

.d01-hero-title {
    font-size: clamp(1.9rem, 6vw, 3.6rem);
    font-weight: 900;
    line-height: 1.18;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
    animation: d01-fade-up 0.6s ease 0.1s both;
}

.d01-hero-subtitle {
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    color: var(--d01-text-dim);
    max-width: 580px;
    margin: 0 auto 2.25rem;
    line-height: 1.7;
    animation: d01-fade-up 0.6s ease 0.2s both;
}

.d01-hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2.5rem;
    animation: d01-fade-up 0.6s ease 0.3s both;
}

.d01-trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
    animation: d01-fade-up 0.6s ease 0.4s both;
}

.d01-trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--d01-surface);
    border: 1px solid var(--d01-border);
    border-radius: 100px;
    padding: 0.38rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--d01-text);
    backdrop-filter: blur(8px);
}

.d01-trust-badge i {
    color: var(--d01-primary);
    font-size: 0.75rem;
}

/* --- Section --------------------------------------------------- */
.d01-section {
    padding: 4rem 0;
}

.d01-section-label {
    display: inline-block;
    background: var(--d01-badge-bg);
    color: var(--d01-primary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    margin-bottom: 0.75rem;
}

.d01-section-title {
    font-size: clamp(1.55rem, 4vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.d01-section-sub {
    color: var(--d01-text-dim);
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Feature Grid ---------------------------------------------- */
.d01-feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (min-width: 540px) {
    .d01-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .d01-feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.d01-feat-card {
    background: var(--d01-surface);
    border: 1px solid var(--d01-border);
    border-radius: var(--d01-radius-xl);
    padding: 1.65rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--d01-transition);
    animation: d01-fade-up 0.5s ease both;
}

.d01-feat-card:hover {
    transform: translateY(-5px);
    border-color: var(--d01-primary);
    box-shadow: 0 12px 32px var(--d01-glow);
}

.d01-feat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--d01-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.d01-icon-teal {
    background: rgba(20, 184, 166, 0.15);
    color: #14b8a6;
}

.d01-icon-cyan {
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
}

.d01-icon-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.d01-icon-amber {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.d01-icon-purple {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.d01-icon-rose {
    background: rgba(244, 63, 94, 0.15);
    color: #f43f5e;
}

html:not(.dark) .d01-icon-teal {
    background: rgba(13, 148, 136, 0.12);
    color: #0d9488;
}

html:not(.dark) .d01-icon-cyan {
    background: rgba(8, 145, 178, 0.12);
    color: #0891b2;
}

html:not(.dark) .d01-icon-blue {
    background: rgba(37, 99, 235, 0.12);
    color: #2563eb;
}

html:not(.dark) .d01-icon-amber {
    background: rgba(217, 119, 6, 0.12);
    color: #d97706;
}

html:not(.dark) .d01-icon-purple {
    background: rgba(147, 51, 234, 0.12);
    color: #9333ea;
}

html:not(.dark) .d01-icon-rose {
    background: rgba(225, 29, 72, 0.12);
    color: #e11d48;
}

.d01-feat-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
    color: var(--d01-text);
}

.d01-feat-card p {
    font-size: 0.88rem;
    color: var(--d01-text-dim);
    line-height: 1.6;
    margin: 0;
}

/* --- Steps ----------------------------------------------------- */
.d01-steps-wrap {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (min-width: 768px) {
    .d01-steps-wrap {
        flex-direction: row;
        align-items: stretch;
        gap: 0;
    }
}

.d01-step-card {
    flex: 1;
    text-align: center;
    padding: 1.75rem 1.5rem;
    background: var(--d01-step-bg);
    border: 1px solid var(--d01-border);
    border-radius: var(--d01-radius-xl);
    backdrop-filter: blur(10px);
    animation: d01-fade-up 0.5s ease both;
}

@media (min-width: 768px) {
    .d01-step-card {
        border-radius: 0;
        border-right: none;
    }

    .d01-step-card:first-child {
        border-radius: var(--d01-radius-xl) 0 0 var(--d01-radius-xl);
    }

    .d01-step-card:last-child {
        border-radius: 0 var(--d01-radius-xl) var(--d01-radius-xl) 0;
        border-right: 1px solid var(--d01-border);
    }
}

.d01-step-num {
    font-size: 2.2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    line-height: 1;
    display: block;
}

.d01-step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--d01-text);
}

.d01-step-card p {
    font-size: 0.88rem;
    color: var(--d01-text-dim);
    line-height: 1.6;
    margin: 0;
}

/* --- Bottom CTA ----------------------------------------------- */
.d01-cta-section {
    padding: 3rem 0 5rem;
}

.d01-cta-card {
    background: var(--d01-surface);
    border: 1px solid var(--d01-border);
    border-radius: 24px;
    padding: clamp(2rem, 5vw, 3rem) clamp(1.5rem, 5vw, 2.5rem);
    text-align: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
    animation: d01-fade-up 0.5s ease both;
}

.d01-cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--d01-primary), var(--d01-accent), transparent);
}

.d01-cta-card h2 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    color: var(--d01-text);
}

.d01-cta-card p {
    color: var(--d01-text-dim);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Footer ---------------------------------------------------- */
.d01-footer {
    border-top: 1px solid var(--d01-border);
    padding: 1.6rem 0;
    color: var(--d01-text-dim);
    font-size: 0.85rem;
    margin-top: auto;
}

.d01-footer-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* --- Auth Card ------------------------------------------------- */
.d01-auth-page {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.25rem;
    min-height: 0;
}

.d01-auth-card {
    max-width: 460px;
    width: 100%;
    margin: 0 auto;
    background: var(--d01-surface);
    border: 1px solid var(--d01-border);
    border-radius: var(--d01-radius-xl);
    padding: clamp(1.75rem, 5vw, 2.5rem);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--d01-shadow);
    animation: d01-fade-up 0.5s ease both;
    position: relative;
    overflow: hidden;
}

.d01-auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--d01-primary), var(--d01-accent));
    border-radius: var(--d01-radius-xl) var(--d01-radius-xl) 0 0;
}

.d01-auth-icon {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    color: #fff;
    margin: 0 auto 1.2rem;
    box-shadow: 0 8px 24px var(--d01-glow);
}

.d01-auth-title {
    font-size: 1.6rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.3rem;
    letter-spacing: -0.02em;
    color: var(--d01-text);
}

.d01-auth-subtitle {
    text-align: center;
    color: var(--d01-text-dim);
    font-size: 0.9rem;
    margin-bottom: 1.75rem;
    line-height: 1.5;
}

.d01-form-group {
    margin-bottom: 1.05rem;
}

.d01-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--d01-text-muted);
    margin-bottom: 0.4rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.d01-input-wrap {
    position: relative;
}

.d01-input-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--d01-text-dim);
    font-size: 0.88rem;
    pointer-events: none;
    transition: color 0.2s ease;
}

.d01-input {
    width: 100%;
    padding: 0.78rem 1rem 0.78rem 2.55rem;
    background: var(--d01-input-bg);
    border: 1.5px solid var(--d01-border-2);
    border-radius: var(--d01-radius-lg);
    color: var(--d01-text);
    font-family: inherit;
    font-size: 0.97rem;
    transition: var(--d01-transition);
    outline: none;
    box-sizing: border-box;
}

.d01-input:focus {
    border-color: var(--d01-primary);
    box-shadow: 0 0 0 3px var(--d01-glow);
}

.d01-input-wrap:focus-within .d01-input-icon {
    color: var(--d01-primary);
}

.d01-input::placeholder {
    color: var(--d01-text-dim);
    opacity: 0.7;
}

.d01-input-no-icon {
    padding-left: 1rem;
}

.d01-auth-error {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--d01-radius-md);
    padding: 0.8rem 1rem;
    color: #f87171;
    font-size: 0.88rem;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

html:not(.dark) .d01-auth-error {
    background: rgba(220, 38, 38, 0.07);
    border-color: rgba(220, 38, 38, 0.2);
    color: #dc2626;
}

.d01-auth-error i {
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.d01-submit-btn {
    width: 100%;
    padding: 0.88rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--d01-radius-lg);
    background: linear-gradient(135deg, var(--d01-primary) 0%, var(--d01-primary-d) 100%);
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: var(--d01-transition);
    font-family: inherit;
    box-shadow: 0 4px 16px var(--d01-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.2rem;
    -webkit-tap-highlight-color: transparent;
}

.d01-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--d01-glow);
    filter: brightness(1.08);
}

.d01-submit-btn:active {
    transform: translateY(0);
}

.d01-auth-link {
    text-align: center;
    margin-top: 1.4rem;
    font-size: 0.88rem;
    color: var(--d01-text-dim);
}

.d01-auth-link a {
    color: var(--d01-primary);
    font-weight: 700;
    text-decoration: none;
}

.d01-auth-link a:hover {
    text-decoration: underline;
}

.d01-divider {
    height: 1px;
    background: var(--d01-border);
    margin: 1.4rem 0;
}

/* --- Animations ------------------------------------------------ */
@keyframes d01-fade-up {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.d01-delay-1 {
    animation-delay: 0.1s;
}

.d01-delay-2 {
    animation-delay: 0.2s;
}

.d01-delay-3 {
    animation-delay: 0.3s;
}

.d01-delay-4 {
    animation-delay: 0.4s;
}

.d01-delay-5 {
    animation-delay: 0.5s;
}

.d01-delay-6 {
    animation-delay: 0.6s;
}

/* --- Responsive ------------------------------------------------ */
@media (max-width: 480px) {
    .d01-nav-inner {
        height: 56px;
    }

    .d01-hero {
        padding: 2.75rem 0 2.25rem;
    }

    .d01-btn-lg {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }

    .d01-section {
        padding: 2.75rem 0;
    }

    .d01-auth-page {
        padding: 1.25rem 1rem;
    }
}

/* Prevent FOUC for Alpine-controlled elements */
[x-cloak] {
    display: none !important;
}

/* ================================================================
   MOBILE-FIRST NAV / DRAWER  (appended — DESIGN-01)
   ================================================================ */

/* --- Body scroll lock ------------------------------------------ */
.d01-no-scroll {
    overflow: hidden;
}

html,
body.d01-body {
    max-width: 100%;
    overflow-x: hidden;
}

.d01-body *,
.d01-body *::before,
.d01-body *::after {
    box-sizing: border-box;
}

/* --- Nav desktop/mobile visibility defaults -------------------- */
/* Mobile-first: desktop actions hidden by default               */
.d01-nav-desktop {
    display: none;
}

.d01-nav-mobile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.d01-nav .d01-brand {
    min-width: 0;
    max-width: min(52vw, 220px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.d01-nav-actions {
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .d01-nav-desktop {
        display: flex;
        align-items: center;
        gap: 0.625rem;
    }

    .d01-nav-mobile {
        display: none;
    }
}

/* --- Mobile Login button --------------------------------------- */
.d01-mobile-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.45rem 0.9rem;
    border-radius: var(--d01-radius);
    background: var(--d01-primary);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.d01-mobile-login-btn:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.d01-mobile-login-btn i {
    font-size: 0.8rem;
}

/* --- Mobile hamburger button ----------------------------------- */
.d01-mobile-theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--d01-text) 18%, transparent);
    background: color-mix(in srgb, var(--d01-card) 72%, transparent);
    color: var(--d01-text);
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.d01-mobile-theme-btn:hover {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--d01-text) 7%, transparent);
    border-color: color-mix(in srgb, var(--d01-primary) 35%, transparent);
}

.d01-mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--d01-text);
    font-family: inherit;
    cursor: pointer;
    box-shadow: none;
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.d01-mobile-menu-btn:hover {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--d01-primary) 10%, transparent);
    color: var(--d01-primary);
}

/* --- Hamburger icon (3 bars → X) ------------------------------- */
.d01-hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 22px;
    height: 16px;
    gap: 0;
    position: relative;
}

.d01-hamburger-icon span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    position: absolute;
    left: 0;
    transition: transform 0.22s ease, opacity 0.15s ease, top 0.22s ease;
}

.d01-hamburger-icon span:nth-child(1) {
    top: 0;
}

.d01-hamburger-icon span:nth-child(2) {
    top: 7px;
}

.d01-hamburger-icon span:nth-child(3) {
    top: 14px;
}

/* Animate to X when expanded */
.d01-mobile-menu-btn[aria-expanded="true"] .d01-hamburger-icon span:nth-child(1) {
    top: 7px;
    transform: rotate(45deg);
}

.d01-mobile-menu-btn[aria-expanded="true"] .d01-hamburger-icon span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.d01-mobile-menu-btn[aria-expanded="true"] .d01-hamburger-icon span:nth-child(3) {
    top: 7px;
    transform: rotate(-45deg);
}

/* --- Drawer wrapper (full-viewport overlay) -------------------- */
.d01-drawer-wrap {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    justify-content: flex-end;
}

/* --- Backdrop -------------------------------------------------- */
.d01-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.78);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* --- Drawer panel ---------------------------------------------- */
.d01-drawer-panel {
    position: relative;
    z-index: 1;
    width: min(320px, 88vw);
    height: 100%;
    background: var(--d01-drawer-bg);
    border-left: 1px solid color-mix(in srgb, var(--d01-primary) 22%, var(--d01-border));
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: -18px 0 48px rgba(0, 0, 0, 0.48);
}

html.dark .d01-drawer-panel {
    background:
        linear-gradient(180deg, rgba(20, 184, 166, 0.06), rgba(6, 182, 212, 0.025)),
        var(--d01-drawer-bg);
}

html:not(.dark) .d01-drawer-panel {
    background:
        linear-gradient(180deg, rgba(13, 148, 136, 0.07), rgba(8, 145, 178, 0.025)),
        var(--d01-drawer-bg);
}

/* Alpine transition classes for the drawer panel */
.d01-drawer-trans {
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.d01-drawer-trans-start {
    transform: translateX(100%);
}

.d01-drawer-trans-end {
    transform: translateX(0);
}

/* --- Drawer header --------------------------------------------- */
.d01-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--d01-border);
    flex-shrink: 0;
}

/* --- Drawer close button --------------------------------------- */
.d01-drawer-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--d01-border);
    background: transparent;
    color: var(--d01-text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.d01-drawer-close:hover {
    background: color-mix(in srgb, var(--d01-text) 8%, transparent);
    color: var(--d01-text);
}

/* --- Drawer nav ------------------------------------------------ */
.d01-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 0.75rem;
    gap: 0.25rem;
    flex: 1;
}

/* --- Drawer links ---------------------------------------------- */
.d01-drawer-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--d01-radius);
    color: var(--d01-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
}

.d01-drawer-link:hover {
    background: color-mix(in srgb, var(--d01-text) 6%, transparent);
}

.d01-drawer-link-icon {
    width: 1.1rem;
    text-align: center;
    color: var(--d01-text-muted);
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Primary variant (Register) */
.d01-drawer-link-primary {
    background: color-mix(in srgb, var(--d01-primary) 12%, transparent);
    color: var(--d01-primary);
}

.d01-drawer-link-primary:hover {
    background: color-mix(in srgb, var(--d01-primary) 20%, transparent);
}

.d01-drawer-link-primary .d01-drawer-link-icon {
    color: var(--d01-primary);
}

/* Button variant (theme toggle) */
.d01-drawer-link-btn {
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

/* --- Drawer divider -------------------------------------------- */
.d01-drawer-divider {
    height: 1px;
    background: var(--d01-border);
    margin: 0.5rem 0;
}

/* --- Small brand variants -------------------------------------- */
.d01-brand-sm {
    font-size: 0.9rem;
}

.d01-brand-dot-sm {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

/* --- Section head (wraps label + title + sub for features) ----- */
.d01-section-head {
    text-align: center;
    margin-bottom: 2.5rem;
}

.d01-section-tight {
    padding: 2rem 0 3rem;
}

/* --- Auth page back link --------------------------------------- */
.d01-auth-back {
    margin-top: 1.25rem;
    text-align: center;
}

.d01-auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--d01-text-muted);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.15s ease;
}

.d01-auth-back-link:hover {
    color: var(--d01-text);
}

/* --- Label hint (optional field annotation) -------------------- */
.d01-label-hint {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--d01-text-muted);
    margin-left: 0.3rem;
}

/* --- Footer copy ----------------------------------------------- */
.d01-footer-copy {
    font-size: 0.8rem;
    color: var(--d01-text-muted);
}

/* ================================================================
   MOBILE IMPROVEMENTS  ≤ 767px
   ================================================================ */
@media (max-width: 767px) {

    /* Hero */
    .d01-hero {
        padding: 2.5rem 0 2rem;
    }

    .d01-hero-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

    .d01-hero-subtitle {
        font-size: 0.95rem;
    }

    /* CTA buttons — stack vertically */
    .d01-hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .d01-hero-cta .d01-btn {
        justify-content: center;
        width: 100%;
    }

    /* Trust badges — 2-col grid */
    .d01-trust-badges {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.625rem;
    }

    .d01-trust-badge {
        width: 100%;
        justify-content: center;
        min-width: 0;
        text-align: center;
        white-space: normal;
        line-height: 1.35;
    }

    .d01-container,
    .d01-nav-inner {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .d01-feat-card,
    .d01-step-card,
    .d01-cta-card,
    .d01-auth-card {
        max-width: 100%;
    }

    /* Feature grid — 1 col */
    .d01-feature-grid {
        grid-template-columns: 1fr;
    }

    /* Steps — 1 col */
    .d01-steps-wrap {
        grid-template-columns: 1fr;
    }

    /* Auth card */
    .d01-auth-card {
        padding: 2rem 1.25rem;
    }

    /* Footer inner — stack */
    .d01-footer-inner {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    /* Section spacing */
    .d01-section {
        padding: 2.25rem 0;
    }

    .d01-section-tight {
        padding: 1.5rem 0 2.25rem;
    }

    .d01-section-head {
        margin-bottom: 1.75rem;
    }
}

/* ================================================================
   VERY SMALL SCREENS  ≤ 380px
   ================================================================ */
@media (max-width: 380px) {

    /* Hide login text, keep icon */
    .d01-nav .d01-brand {
        max-width: 64vw;
        font-size: 0.98rem;
    }

    .d01-mobile-menu-label {
        font-size: 0.76rem;
    }

    /* Smaller nav height */
    .d01-nav-inner {
        height: 52px;
    }

    /* Auth card edge-to-edge feel */
    .d01-auth-card {
        padding: 1.5rem 1rem;
        border-radius: 0.75rem;
    }

    .d01-auth-page {
        padding: 1rem 0.75rem;
    }

    /* Smaller hero */
    .d01-hero-title {
        font-size: 1.6rem;
    }
}



/* ================================================================
   DESIGN-02 — Logged-in App Shell & Dashboard
   ================================================================ */

/* --- Extra tokens (complement DESIGN-01) ----------------------- */
:root {
    --d02-nav-h: 60px;
    --d02-main-max: 1080px;
    --d02-card-radius: 18px;
    --d02-icon-radius: 12px;
    --d02-chip-radius: 10px;
    --d02-card-bg: var(--d01-surface);
    --d02-card-border: var(--d01-border);
}

/* ----------------------------------------------------------------
   Body & Shell
   ---------------------------------------------------------------- */
.d02-body {
    background: var(--d01-bg);
    color: var(--d01-text);
    font-family: 'Noto Sans Armenian', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.d02-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ----------------------------------------------------------------
   App Navigation Bar
   ---------------------------------------------------------------- */
.d02-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--d02-nav-h);
    background: var(--d01-nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--d01-border-2);
}

.d02-nav-inner {
    max-width: var(--d02-main-max);
    margin: 0 auto;
    height: 100%;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 1024px) {
    .d02-nav-inner {
        padding-left: 0;
        padding-right: 0;
    }
}

/* Desktop profile dropdown */
.d02-profile-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.d02-profile-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 210px;
    background: #0f172a;
    /* Slate 900 */
    border: 1px solid var(--d01-border);
    border-radius: var(--d02-card-radius);
    padding: 0.5rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

html:not(.dark) .d02-profile-dropdown-menu {
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.d02-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    color: var(--d01-text-dim);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--d02-chip-radius);
    transition: all 0.15s ease;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    box-sizing: border-box;
}

.d02-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--d01-text);
}

html:not(.dark) .d02-dropdown-item:hover {
    background: rgba(15, 23, 42, 0.04);
    color: #0f172a;
}

.d02-dropdown-item i {
    font-size: 0.95rem;
    opacity: 0.8;
}

.d02-dropdown-divider {
    height: 1px;
    background: var(--d01-border);
    margin: 0.4rem 0.25rem;
}

.d02-dropdown-logout {
    color: var(--danger-color) !important;
}

.d02-dropdown-logout:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    color: var(--danger-color) !important;
}

.d02-nav .d01-brand {
    min-width: 0;
    max-width: min(68vw, 240px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Desktop nav link strip (center) */
.d02-nav-links {
    display: none;
    align-items: center;
    gap: 0.15rem;
    flex: 1;
    padding: 0 0.75rem;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .d02-nav-links {
        display: flex;
    }
}

.d02-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.65rem;
    border-radius: var(--d01-radius-md);
    color: var(--d01-text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
}

.d02-nav-link i {
    font-size: 0.75rem;
}

.d02-nav-link:hover {
    background: color-mix(in srgb, var(--d01-primary) 10%, transparent);
    color: var(--d01-text);
}

.d02-nav-link--active {
    background: color-mix(in srgb, var(--d01-primary) 14%, transparent);
    color: var(--d01-primary);
    font-weight: 600;
}

/* Right-side action groups */
.d02-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
}

.d02-nav-desktop {
    display: none;
}

.d02-nav-mobile-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

@media (min-width: 1024px) {
    .d02-nav-desktop {
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }

    .d02-nav-mobile-bar {
        display: none;
    }
}

.d02-user-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.7rem 0.3rem 0.3rem;
    border-radius: 999px;
    border: 1px solid var(--d01-border);
    background: color-mix(in srgb, var(--d01-primary) 8%, transparent);
    color: var(--d01-text);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    transition: background 0.15s ease, border-color 0.15s ease;
    max-width: 180px;
    font-family: inherit;
    cursor: pointer;
    line-height: inherit;
}

.d02-user-pill:hover,
.d02-user-pill[aria-expanded="true"] {
    background: color-mix(in srgb, var(--d01-primary) 16%, transparent);
    border-color: color-mix(in srgb, var(--d01-primary) 35%, transparent);
}

.d02-user-pill-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Logout icon button */
.d02-logout-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--d01-radius-md);
    color: var(--d01-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.d02-logout-btn:hover {
    background: color-mix(in srgb, #ef4444 12%, transparent);
    color: #ef4444;
}

/* Avatar (initials circle) */
.d02-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    color: #fff;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
}

.d02-avatar-xs {
    width: 26px;
    height: 26px;
    font-size: 0.72rem;
}

.d02-avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.82rem;
}

.d02-avatar-md {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
}

.d02-avatar-lg {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

/* ----------------------------------------------------------------
   Mobile Drawer overrides for app shell
   (fully opaque bg enforced via --d01-drawer-bg which is #07111f / #fff)
   ---------------------------------------------------------------- */
.d02-drawer-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--d01-border);
    flex-shrink: 0;
}

.d02-drawer-user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--d01-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.d02-drawer-user-login {
    font-size: 0.76rem;
    color: var(--d01-text-muted);
    margin-top: 0.1rem;
}

/* Active state in drawer */
.d02-drawer-link--active {
    background: color-mix(in srgb, var(--d01-primary) 12%, transparent) !important;
    color: var(--d01-primary) !important;
}

.d02-drawer-link--active .d01-drawer-link-icon {
    color: var(--d01-primary) !important;
}

/* Logout link in drawer */
.d02-drawer-logout {
    color: #ef4444 !important;
}

.d02-drawer-logout .d01-drawer-link-icon {
    color: #ef4444 !important;
}

.d02-drawer-logout:hover {
    background: color-mix(in srgb, #ef4444 10%, transparent) !important;
}

/* ----------------------------------------------------------------
   Main Content
   ---------------------------------------------------------------- */
.d02-main {
    flex: 1;
    width: 100%;
    max-width: var(--d02-main-max);
    margin: 0 auto;
    padding: 1.25rem 1rem 3rem;
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .d02-main {
        padding: 1.75rem 1rem 3rem;
    }
}

@media (min-width: 1024px) {
    .d02-main {
        padding-left: 0;
        padding-right: 0;
    }
}

/* ----------------------------------------------------------------
   App Footer
   ---------------------------------------------------------------- */
.d02-footer {
    border-top: 1px solid var(--d01-border-2);
    padding: 0.9rem 1rem;
}

@media (min-width: 1024px) {
    .d02-footer {
        padding-left: 0;
        padding-right: 0;
    }
}

.d02-footer-inner {
    max-width: var(--d02-main-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.d02-footer-copy {
    font-size: 0.78rem;
    color: var(--d01-text-dim);
}

@media (max-width: 480px) {
    .d02-footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ================================================================
   DASHBOARD — Sections
   ================================================================ */

/* --- Welcome hero card --------------------------------------- */
.d02-hero-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d01-border);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--d01-primary) 18%, var(--d01-surface)),
            color-mix(in srgb, var(--d01-accent) 10%, var(--d01-surface)));
}

.d02-hero-card::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle,
            color-mix(in srgb, var(--d01-primary) 30%, transparent) 0%,
            transparent 70%);
    pointer-events: none;
}

.d02-hero-top {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1rem;
}

.d02-hero-text-wrap {
    flex: 1;
    min-width: 0;
}

.d02-hero-greeting {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--d01-primary);
    margin: 0 0 0.2rem;
}

.d02-hero-name {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--d01-text);
    margin: 0 0 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.d02-hero-sub {
    font-size: 0.8rem;
    color: var(--d01-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Stat chips row */
.d02-stat-chips {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

@media (max-width: 360px) {
    .d02-stat-chips {
        grid-template-columns: repeat(2, 1fr);
    }
}

.d02-stat-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.4rem;
    border-radius: var(--d02-chip-radius);
    background: color-mix(in srgb, var(--d01-bg) 55%, transparent);
    border: 1px solid var(--d01-border);
    gap: 0.15rem;
    text-align: center;
}

.d02-chip-val {
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1;
    color: var(--d01-text);
}

.d02-chip-label {
    font-size: 0.62rem;
    color: var(--d01-text-muted);
    line-height: 1.2;
}

.d02-chip--green .d02-chip-val {
    color: #10b981;
}

.d02-chip--red .d02-chip-val {
    color: #ef4444;
}

.d02-chip--amber .d02-chip-val {
    color: #f59e0b;
}

.d02-chip--gold .d02-chip-val {
    color: #f59e0b;
}

.d02-chip--teal .d02-chip-val {
    color: var(--d01-primary);
}

/* --- Section label ------------------------------------------- */
.d02-section-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--d01-text-dim);
    margin-bottom: 0.6rem;
}

/* --- Primary action cards ------------------------------------ */
.d02-primary-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 580px) {
    .d02-primary-stack {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.75rem;
    }
}

/* Card accent via CSS variable */
.d02-action-card {
    --d02-accent: var(--d01-primary);
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1.1rem;
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    text-decoration: none;
    color: var(--d01-text);
    transition: transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
    position: relative;
    overflow: hidden;
}

@media (min-width: 580px) {
    .d02-action-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1.25rem;
    }
}

.d02-action-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--d02-accent) 8%, transparent),
            transparent 60%);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.d02-action-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px color-mix(in srgb, var(--d02-accent) 22%, transparent);
    border-color: color-mix(in srgb, var(--d02-accent) 36%, transparent);
}

.d02-action-card:hover::after {
    opacity: 1;
}

.d02-action-card:active {
    transform: translateY(0);
}

.d02-action-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--d02-icon-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: color-mix(in srgb, var(--d02-accent) 14%, transparent);
    color: var(--d02-accent);
    flex-shrink: 0;
}

@media (min-width: 580px) {
    .d02-action-icon {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

.d02-action-body {
    flex: 1;
    min-width: 0;
}

.d02-action-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0 0 0.2rem;
}

.d02-action-desc {
    font-size: 0.78rem;
    color: var(--d01-text-muted);
    margin: 0;
    line-height: 1.4;
}

.d02-action-go {
    display: none;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--d02-accent);
    margin-top: auto;
    padding-top: 0.5rem;
}

@media (min-width: 580px) {
    .d02-action-go {
        display: flex;
    }
}

/* Accent color modifiers */
.d02-card--teal {
    --d02-accent: #14b8a6;
}

.d02-card--cyan {
    --d02-accent: #06b6d4;
}

.d02-card--amber {
    --d02-accent: #f59e0b;
}

.d02-card--blue {
    --d02-accent: #3b82f6;
}

.d02-card--purple {
    --d02-accent: #8b5cf6;
}

.d02-card--rose {
    --d02-accent: #f43f5e;
}

.d02-card--green {
    --d02-accent: #10b981;
}

/* --- Secondary navigation grid ------------------------------- */
.d02-secondary-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.65rem;
    margin-bottom: 1.25rem;
    min-width: 0;
}

.d02-secondary-card {
    --d02-accent: var(--d01-primary);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    text-decoration: none;
    color: var(--d01-text);
    transition: transform 0.15s ease, border-color 0.15s ease;
    min-width: 0;
    overflow: hidden;
}

.d02-secondary-card:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--d02-accent) 35%, transparent);
}

.d02-secondary-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    background: color-mix(in srgb, var(--d02-accent) 12%, transparent);
    color: var(--d02-accent);
    flex-shrink: 0;
}

.d02-secondary-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--d01-text);
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: normal;
    line-height: 1.25;
}

/* --- Progress card ------------------------------------------- */
.d02-progress-card {
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.d02-progress-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.d02-progress-title i {
    color: var(--d01-primary);
}

.d02-progress-rows {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.d02-progress-row {}

.d02-progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--d01-text-muted);
    margin-bottom: 0.3rem;
}

.d02-progress-track {
    height: 6px;
    border-radius: 3px;
    background: color-mix(in srgb, var(--d01-text) 10%, transparent);
    overflow: hidden;
}

.d02-progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.d02-fill--green {
    background: #10b981;
}

.d02-fill--red {
    background: #ef4444;
}

.d02-fill--amber {
    background: #f59e0b;
}

.d02-progress-empty {
    font-size: 0.82rem;
    color: var(--d01-text-dim);
    text-align: center;
    padding: 1rem 0;
}

/* --- Next action recommendation card ------------------------- */
.d02-next-card {
    border-radius: var(--d02-card-radius);
    border: 1px solid color-mix(in srgb, var(--d01-primary) 28%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 7%, var(--d01-surface));
    padding: 1.1rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.d02-next-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--d02-icon-radius);
    background: var(--d01-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--d01-primary) 40%, transparent);
}

.d02-next-body {
    flex: 1;
    min-width: 0;
}

.d02-next-eyebrow {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--d01-primary);
    margin: 0 0 0.2rem;
}

.d02-next-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--d01-text);
    margin: 0;
}

.d02-next-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: var(--d01-primary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

.d02-next-btn:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.d02-next-btn i {
    font-size: 0.72rem;
}

/* ================================================================
   DESIGN-02  Mobile  ≤ 639px
   ================================================================ */
@media (max-width: 639px) {
    .d02-nav-inner {
        padding: 0 0.75rem;
    }

    .d02-main {
        padding: 1rem 0.75rem 2.5rem;
    }

    .d02-hero-card {
        padding: 1rem;
    }

    .d02-hero-name {
        font-size: 1rem;
    }

    .d02-action-card {
        gap: 0.75rem;
        padding: 0.9rem 1rem;
    }

    .d02-action-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .d02-secondary-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 0.5rem;
    }

    .d02-secondary-card {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    .d02-secondary-label {
        font-size: 0.8rem;
    }

    .d02-next-card {
        gap: 0.75rem;
        padding: 1rem;
    }

    .d02-next-btn {
        padding: 0.4rem 0.75rem;
    }
}

/* ================================================================
   DESIGN-02  Very small  ≤ 360px
   ================================================================ */
@media (max-width: 360px) {
    .d02-stat-chips {
        grid-template-columns: repeat(2, 1fr);
    }

    .d02-secondary-grid {
        grid-template-columns: 1fr;
    }

    .d02-hero-name {
        font-size: 0.95rem;
    }

    .d02-next-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* DESIGN-03 study page */
.d03-study-main {
    --d03-green: #10b981;
    --d03-red: #ef4444;
    --d03-amber: #f59e0b;
    max-width: var(--d02-main-max);
    padding-bottom: 6rem;
}

.d03-study-main *,
.d03-study-main *::before,
.d03-study-main *::after {
    box-sizing: border-box;
}

.d03-study-hero {
    display: block;
    margin-bottom: 1rem;
}

@media (min-width: 760px) {
    .d03-study-hero {
        display: block;
    }
}

.d03-study-hero-copy {
    position: relative;
    overflow: hidden;
    padding: 1.2rem;
    border: 1px solid var(--d01-border);
    border-radius: var(--d02-card-radius);
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--d01-accent) 18%, transparent), transparent 42%),
        linear-gradient(135deg, color-mix(in srgb, var(--d01-primary) 16%, var(--d01-surface)), var(--d01-surface));
    box-shadow: var(--d01-shadow);
}

.d03-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--d01-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.d03-study-hero h1 {
    margin: 0.35rem 0 0.25rem;
    font-size: clamp(1.55rem, 6vw, 2.5rem);
    line-height: 1.12;
    color: var(--d01-text);
}

.d03-study-hero p {
    margin: 0;
    color: var(--d01-text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.d03-study-status-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--d01-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 45%, transparent);
    width: 100%;
    margin-top: 1rem;
}

@media (min-width: 760px) {
    .d03-study-status-card {
        max-width: 320px;
    }
}

.d03-status-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--d02-icon-radius);
    color: #fff;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    box-shadow: 0 8px 22px var(--d01-glow);
}

.d03-status-label {
    display: block;
    color: var(--d01-text-dim);
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 0.1rem;
}

.d03-study-status-card strong {
    color: var(--d01-text);
    font-size: 0.98rem;
}

.d03-filter-card,
.d03-study-card,
.d03-empty-card,
.d03-loading-card,
.d03-help-card {
    border: 1px solid var(--d01-border);
    border-radius: var(--d02-card-radius);
    background: var(--d01-surface);
    box-shadow: 0 18px 48px color-mix(in srgb, #000 22%, transparent);
}

.d03-filter-card {
    padding: 0.85rem;
    margin-bottom: 1rem;
}

.d03-filter-top {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
}

.d03-active-chips {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    min-width: 0;
    scrollbar-width: none;
}

.d03-active-chips::-webkit-scrollbar {
    display: none;
}

.d03-study-flow-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.85rem;
    padding: 0.7rem;
    border: 1px solid var(--d01-border-2);
    border-radius: 18px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--d01-primary) 9%, transparent), transparent 54%),
        color-mix(in srgb, var(--d01-bg) 34%, transparent);
}

.d03-flow-copy {
    min-width: 0;
    display: grid;
    gap: 0.2rem;
}

.d03-flow-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--d01-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.d03-flow-copy strong {
    color: var(--d01-text);
    font-size: 0.92rem;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.d03-flow-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex: 0 0 auto;
}

.d03-flow-toggle {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.25rem;
    border: 1px solid var(--d01-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-bg) 48%, transparent);
}

.d03-flow-toggle button,
.d03-reset-flow-btn {
    min-height: 38px;
    border: 0;
    border-radius: 999px;
    font-family: inherit;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.d03-flow-toggle button {
    padding: 0.45rem 0.7rem;
    color: var(--d01-text-muted);
    background: transparent;
}

.d03-flow-toggle button.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    box-shadow: 0 12px 26px color-mix(in srgb, var(--d01-primary) 22%, transparent);
}

.d03-reset-flow-btn {
    padding: 0.45rem 0.72rem;
    color: var(--d03-amber);
    border: 1px solid color-mix(in srgb, var(--d03-amber) 24%, transparent);
    background: color-mix(in srgb, var(--d03-amber) 10%, transparent);
}

.d03-flow-toggle button:hover,
.d03-reset-flow-btn:hover {
    transform: translateY(-1px);
}

.d03-chip,
.d03-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
    max-width: 240px;
    padding: 0.42rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--d01-border);
    background: color-mix(in srgb, var(--d01-bg) 45%, transparent);
    color: var(--d01-text-muted);
    font-size: 0.74rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.d03-chip span,
.d03-meta-pill span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.d03-chip--teal {
    color: var(--d01-primary);
}

.d03-chip--amber {
    color: var(--d03-amber);
}

.d03-filter-toggle,
.d03-ghost-btn,
.d03-load-btn,
.d03-nav-btn,
.d03-report-btn,
.d03-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 44px;
    border: 0;
    border-radius: var(--d01-radius-lg);
    font-family: inherit;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease, border-color 0.16s ease;
    -webkit-tap-highlight-color: transparent;
}

.d03-filter-toggle,
.d03-ghost-btn,
.d03-nav-btn,
.d03-report-btn {
    color: var(--d01-text);
    background: var(--d01-surface-2);
    border: 1px solid var(--d01-border-2);
}

.d03-filter-toggle {
    flex-shrink: 0;
    padding: 0 0.8rem;
    color: var(--d01-primary);
}

.d03-load-btn {
    padding: 0 1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    box-shadow: 0 8px 24px var(--d01-glow);
}

.d03-load-btn:disabled,
.d03-nav-btn:disabled {
    opacity: 0.62;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.d03-nav-btn:disabled {
    color: var(--d01-text-dim);
    border-color: var(--d01-border-2);
    background: color-mix(in srgb, var(--d01-text) 7%, transparent);
}

.d03-filter-toggle:hover,
.d03-ghost-btn:hover,
.d03-load-btn:hover:not(:disabled),
.d03-nav-btn:hover:not(:disabled),
.d03-report-btn:hover,
.d03-action-btn:hover {
    transform: translateY(-1px);
}

.d03-filter-grid {
    display: grid;
    gap: 0.8rem;
    margin-top: 0.85rem;
}

.d03-filter-grid--desktop {
    display: none;
}

@media (min-width: 780px) {
    .d03-filter-toggle {
        display: none;
    }

    .d03-filter-grid--desktop {
        display: grid;
        grid-template-columns: minmax(150px, 0.9fr) minmax(170px, 1fr) minmax(150px, 0.9fr) minmax(230px, 1.25fr) auto;
        align-items: end;
    }
}

.d03-field {
    display: flex;
    flex-direction: column;
    gap: 0.42rem;
    min-width: 0;
}

.d03-field label {
    color: var(--d01-text-dim);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.d03-select-wrap,
.d03-combo,
.d03-search-wrap {
    position: relative;
    min-width: 0;
}

.d03-combo-btn {
    width: 100%;
    min-height: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.7rem;
    padding: 0.72rem 0.85rem;
    border: 1.5px solid var(--d01-border-2);
    border-radius: var(--d01-radius-lg);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--d01-primary) 6%, transparent), transparent),
        var(--d01-input-bg);
    color: var(--d01-text);
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.d03-combo-btn span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.d03-combo-btn i {
    color: var(--d01-primary);
    transition: transform 0.18s ease;
}

.d03-combo-btn[aria-expanded="true"] {
    border-color: var(--d01-primary);
    box-shadow: 0 0 0 3px var(--d01-glow);
}

.d03-combo-btn[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.d03-combo-menu {
    position: absolute;
    z-index: 40;
    left: 0;
    right: 0;
    top: calc(100% + 0.4rem);
    max-height: 280px;
    overflow-y: auto;
    padding: 0.35rem;
    border: 1px solid var(--d01-border);
    border-radius: 16px;
    background: var(--d01-drawer-bg);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.d03-combo-menu button {
    width: 100%;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.62rem 0.7rem;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--d01-text-muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
}

.d03-combo-menu button:hover,
.d03-combo-menu button.is-active {
    color: var(--d01-text);
    background: color-mix(in srgb, var(--d01-primary) 13%, transparent);
}

.d03-combo-menu button.is-active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--d01-primary);
    flex-shrink: 0;
}

.d03-combo-menu span {
    min-width: 0;
    overflow-wrap: anywhere;
}

.d03-combo--sheet .d03-combo-menu {
    position: static;
    margin-top: 0.45rem;
    max-height: 210px;
}

.d03-select-wrap select,
.d03-search-wrap input,
.d03-field textarea {
    width: 100%;
    min-height: 46px;
    border: 1.5px solid var(--d01-border-2);
    border-radius: var(--d01-radius-lg);
    background: var(--d01-input-bg);
    color: var(--d01-text);
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.d03-select-wrap select {
    appearance: none;
    padding: 0.72rem 2.3rem 0.72rem 0.85rem;
}

.d03-search-wrap input {
    padding: 0.72rem 2.35rem 0.72rem 2.35rem;
}

.d03-field textarea {
    min-height: 118px;
    padding: 0.8rem 0.9rem;
    resize: vertical;
}

.d03-select-wrap select:focus,
.d03-search-wrap input:focus,
.d03-field textarea:focus {
    border-color: var(--d01-primary);
    box-shadow: 0 0 0 3px var(--d01-glow);
}

.d03-select-wrap>i,
.d03-search-wrap>i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--d01-text-dim);
    pointer-events: none;
}

.d03-select-wrap>i {
    right: 0.85rem;
}

.d03-search-wrap>i {
    left: 0.85rem;
}

.d03-search-wrap button {
    position: absolute;
    top: 50%;
    right: 0.45rem;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 10px;
    color: var(--d01-text-dim);
    background: transparent;
    cursor: pointer;
}

.d03-sheet {
    position: fixed;
    inset: 0;
    z-index: 130;
}

.d03-sheet-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.58);
    backdrop-filter: blur(8px);
}

.d03-sheet-panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: min(86vh, 720px);
    padding: 1rem max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    border-radius: 24px 24px 0 0;
    border: 1px solid var(--d01-border);
    background: var(--d01-drawer-bg);
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.35);
    overflow-y: auto;
}

.d03-sheet-enter {
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.d03-sheet-enter-start {
    transform: translateY(100%);
    opacity: 0;
}

.d03-sheet-enter-end {
    transform: translateY(0);
    opacity: 1;
}

.d03-sheet-header,
.d03-sheet-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.d03-sheet-header {
    margin-bottom: 1rem;
}

.d03-sheet-header span {
    display: block;
    color: var(--d01-text);
    font-size: 1.1rem;
    font-weight: 900;
}

.d03-sheet-header p {
    margin: 0.15rem 0 0;
    color: var(--d01-text-dim);
    font-size: 0.82rem;
}

.d03-sheet-header button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--d01-border-2);
    border-radius: 13px;
    background: var(--d01-surface-2);
    color: var(--d01-text);
}

.d03-sheet-body {
    display: grid;
    gap: 0.9rem;
}

.d03-segmented {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
}

.d03-segmented button {
    min-height: 42px;
    border: 1px solid var(--d01-border-2);
    border-radius: 13px;
    background: var(--d01-surface-2);
    color: var(--d01-text-muted);
    font-family: inherit;
    font-weight: 800;
    font-size: 0.78rem;
}

.d03-segmented button.is-active {
    color: #fff;
    border-color: color-mix(in srgb, var(--d01-primary) 55%, transparent);
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
}

.d03-sheet-actions {
    position: sticky;
    bottom: 0;
    margin-top: 1rem;
    padding-top: 0.8rem;
    background: linear-gradient(to top, var(--d01-drawer-bg) 78%, transparent);
}

.d03-sheet-actions .d03-load-btn,
.d03-sheet-actions .d03-ghost-btn {
    flex: 1;
}

@media (min-width: 780px) {
    .d03-sheet {
        display: none !important;
    }
}

.d03-loading-card,
.d03-empty-card {
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.d03-skeleton {
    height: 16px;
    width: 78%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--d01-surface-2), color-mix(in srgb, var(--d01-primary) 18%, transparent), var(--d01-surface-2));
    background-size: 220% 100%;
    animation: d03-shimmer 1.2s linear infinite;
    margin: 0.8rem 0;
}

.d03-skeleton--wide {
    width: 100%;
    height: 44px;
}

.d03-skeleton--short {
    width: 52%;
}

@keyframes d03-shimmer {
    to {
        background-position: -220% 0;
    }
}

.d03-empty-card {
    text-align: center;
}

.d03-empty-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 0.8rem;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--d01-primary);
    background: color-mix(in srgb, var(--d01-primary) 13%, transparent);
    font-size: 1.4rem;
}

.d03-empty-icon--danger {
    color: var(--d03-red);
    background: color-mix(in srgb, var(--d03-red) 12%, transparent);
}

.d03-empty-card h2 {
    margin: 0 0 0.35rem;
    color: var(--d01-text);
    font-size: 1.15rem;
}

.d03-empty-card p {
    margin: 0 auto 1rem;
    max-width: 440px;
    color: var(--d01-text-dim);
    line-height: 1.55;
}

.d03-study-card {
    position: relative;
    overflow: hidden;
    padding: 1rem;
    margin-bottom: 1rem;
    animation: d03-card-in 0.22s ease both;
}

@keyframes d03-card-in {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.99);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.d03-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 0.75rem;
}

@media (min-width: 720px) {
    .d03-card-meta {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.d03-meta-left,
.d03-card-tools {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-width: 0;
    flex-wrap: wrap;
}

.d03-meta-pill {
    max-width: 100%;
    padding: 0.38rem 0.58rem;
}

.d03-meta-pill--muted,
.d03-meta-pill--id {
    color: var(--d01-text-dim);
}

.d03-report-btn {
    min-height: 36px;
    padding: 0 0.65rem;
    color: var(--d03-amber);
    font-size: 0.75rem;
}

.d03-report-btn span {
    display: none;
}

@media (min-width: 520px) {
    .d03-report-btn span {
        display: inline;
    }
}

.d03-index-pill {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.7rem;
    border-radius: 999px;
    color: var(--d01-primary);
    background: var(--d01-badge-bg);
    font-size: 0.8rem;
    font-weight: 900;
}

.d03-card-progress,
.d03-mini-track {
    height: 7px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-text) 10%, transparent);
    overflow: hidden;
}

.d03-card-progress span,
.d03-mini-track span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--d01-primary), var(--d01-accent), #3b82f6);
    transition: width 0.26s ease;
}

.d03-question-wrap {
    padding: 1.15rem 0 0.85rem;
}

.d03-question-wrap h2 {
    margin: 0;
    color: var(--d01-text);
    font-size: clamp(1.08rem, 4.5vw, 1.55rem);
    line-height: 1.55;
    overflow-wrap: anywhere;
    word-break: normal;
}

.d03-options {
    display: grid;
    gap: 0.65rem;
}

.d03-option {
    width: 100%;
    min-height: 58px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.78rem 0.85rem;
    border: 1.5px solid var(--d01-border-2);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 34%, var(--d01-surface));
    color: var(--d01-text);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, opacity 0.16s ease;
}

.d03-option:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--d01-primary) 42%, transparent);
}

.d03-option-letter,
.d03-option-state {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.d03-option-letter {
    color: var(--d01-primary);
    background: var(--d01-badge-bg);
    font-weight: 900;
}

.d03-option-state {
    color: var(--d01-text-dim);
}

.d03-option-text {
    min-width: 0;
    color: var(--d01-text);
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.d03-option.is-selected {
    border-color: color-mix(in srgb, var(--d01-primary) 58%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 12%, var(--d01-surface));
}

.d03-option.is-correct {
    border-color: color-mix(in srgb, var(--d03-green) 72%, transparent);
    background: color-mix(in srgb, var(--d03-green) 14%, var(--d01-surface));
}

.d03-option.is-correct .d03-option-letter,
.d03-option.is-correct .d03-option-state {
    color: #fff;
    background: var(--d03-green);
}

.d03-option.is-wrong {
    border-color: color-mix(in srgb, var(--d03-red) 68%, transparent);
    background: color-mix(in srgb, var(--d03-red) 13%, var(--d01-surface));
}

.d03-option.is-wrong .d03-option-letter,
.d03-option.is-wrong .d03-option-state {
    color: #fff;
    background: linear-gradient(135deg, var(--d03-red), var(--d03-amber));
}

.d03-option.is-dimmed {
    opacity: 0.56;
}

.d03-answer-box {
    margin-top: 0.9rem;
    padding: 0.85rem;
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--d03-green) 38%, transparent);
    background: color-mix(in srgb, var(--d03-green) 12%, transparent);
}

.d03-answer-box span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
    color: var(--d03-green);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.d03-answer-box strong {
    display: block;
    color: var(--d01-text);
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.d03-study-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.d03-action-btn {
    min-width: 0;
    min-height: 48px;
    padding: 0.55rem 0.4rem;
    border: 1px solid transparent;
    font-size: 0.77rem;
    line-height: 1.15;
}

.d03-action-btn span {
    overflow-wrap: anywhere;
}

.d03-action-btn--known {
    color: var(--d03-green);
    background: color-mix(in srgb, var(--d03-green) 12%, transparent);
    border-color: color-mix(in srgb, var(--d03-green) 30%, transparent);
}

.d03-action-btn--unknown {
    color: var(--d03-red);
    background: color-mix(in srgb, var(--d03-red) 11%, transparent);
    border-color: color-mix(in srgb, var(--d03-red) 28%, transparent);
}

.d03-action-btn--review {
    color: var(--d03-amber);
    background: color-mix(in srgb, var(--d03-amber) 12%, transparent);
    border-color: color-mix(in srgb, var(--d03-amber) 30%, transparent);
}

.d03-card-nav {
    display: grid;
    grid-template-columns: auto minmax(74px, 1fr) auto;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--d01-border-2);
}

.d03-nav-btn {
    min-height: 42px;
    padding: 0 0.75rem;
    font-size: 0.82rem;
}

.d03-nav-btn--next {
    color: #fff;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    border-color: transparent;
}

.d03-nav-center {
    display: grid;
    gap: 0.28rem;
    color: var(--d01-text-dim);
    font-size: 0.72rem;
    font-weight: 900;
    text-align: center;
}

.d03-mini-track {
    height: 5px;
    min-width: 0;
}

.d03-help-card {
    padding: 0.2rem 0.95rem;
    margin-bottom: 1rem;
}

.d03-help-card summary {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--d01-text);
    cursor: pointer;
    font-weight: 900;
    list-style: none;
}

.d03-help-card summary::-webkit-details-marker {
    display: none;
}

.d03-help-card summary span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.d03-help-card summary i {
    color: var(--d01-primary);
}

.d03-help-card details[open] summary>i {
    transform: rotate(180deg);
}

.d03-help-copy {
    padding: 0 0 0.9rem;
    color: var(--d01-text-dim);
    font-size: 0.86rem;
    line-height: 1.6;
}

.d03-help-copy p {
    margin: 0.45rem 0;
}

.d03-report-modal {
    padding: 1rem;
}

.d03-report-panel {
    width: min(100%, 520px);
    max-height: min(90vh, 680px);
    overflow-y: auto;
    border-color: var(--d01-border);
    background: var(--d01-drawer-bg);
}

.d03-report-header {
    align-items: flex-start;
}

.d03-report-header .modal-title {
    margin: 0.3rem 0 0;
    color: var(--d01-text);
}

#report-issue-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.2rem;
}

.d03-report-submit {
    width: 100%;
    margin-top: 0.9rem;
}

@media (max-width: 639px) {
    .d03-study-main {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .d03-study-card {
        padding: 0.85rem;
    }

    .d03-option {
        padding: 0.72rem;
        gap: 0.55rem;
    }

    .d03-option-letter,
    .d03-option-state {
        width: 30px;
        height: 30px;
        border-radius: 10px;
    }

    .d03-card-nav {
        position: static;
        z-index: 8;
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "progress progress"
            "prev next";
        gap: 0.55rem;
        margin-top: 1.35rem;
        padding: 0.7rem;
        border: 1px solid var(--d01-border);
        border-radius: 18px;
        background: color-mix(in srgb, var(--d01-surface) 88%, transparent);
        backdrop-filter: blur(14px);
        box-shadow: 0 16px 38px rgba(0, 0, 0, 0.28);
    }

    .d03-study-actions {
        grid-template-columns: 1fr;
        gap: 0.65rem;
        margin-top: 1.25rem;
        margin-bottom: 1.25rem;
        padding: 0.75rem;
        border: 1px solid var(--d01-border-2);
        border-radius: 18px;
        background: color-mix(in srgb, var(--d01-bg) 34%, transparent);
    }

    .d03-study-flow-panel {
        align-items: stretch;
        flex-direction: column;
        padding: 0.75rem;
    }

    .d03-flow-actions {
        width: 100%;
        align-items: stretch;
        flex-direction: column;
    }

    .d03-flow-toggle {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .d03-flow-toggle button,
    .d03-reset-flow-btn {
        width: 100%;
    }

    .d03-action-btn {
        min-height: 46px;
        justify-content: flex-start;
        padding: 0.65rem 0.85rem;
        font-size: 0.86rem;
    }

    .d03-action-btn i {
        width: 26px;
        height: 26px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 9px;
        background: color-mix(in srgb, currentColor 14%, transparent);
    }

    .d03-card-nav .d03-nav-btn:first-child {
        grid-area: prev;
    }

    .d03-card-nav .d03-nav-btn--next {
        grid-area: next;
    }

    .d03-nav-center {
        grid-area: progress;
    }

    .d03-nav-btn {
        width: 100%;
        padding: 0 0.55rem;
        font-size: 0.8rem;
        background: color-mix(in srgb, var(--d01-primary) 9%, var(--d01-surface-2));
        border-color: color-mix(in srgb, var(--d01-primary) 26%, transparent);
        color: var(--d01-text);
    }

    .d03-nav-center {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: center;
        gap: 0.55rem;
        text-align: left;
    }
}

@media (max-width: 380px) {
    .d03-study-actions {
        gap: 0.55rem;
    }

    .d03-action-btn {
        font-size: 0.8rem;
    }

    .d03-nav-center span {
        display: inline;
    }
}

/* DESIGN-04 training page */
.d04-training-main {
    --d04-green: #10b981;
    --d04-red: #ef4444;
    --d04-amber: #f59e0b;
    max-width: var(--d02-main-max);
    padding-bottom: 5rem;
}

.d04-training-main *,
.d04-training-main *::before,
.d04-training-main *::after {
    box-sizing: border-box;
}

.d04-hero,
.d04-setup,
.d04-card,
.d04-summary,
.d04-empty,
.d04-rules {
    animation: d03-card-in 0.22s ease both;
}

.d04-hero {
    margin-bottom: 1rem;
    padding: 1.2rem;
    border: 1px solid var(--d01-border);
    border-radius: var(--d02-card-radius);
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--d01-accent) 20%, transparent), transparent 45%),
        linear-gradient(135deg, color-mix(in srgb, var(--d01-primary) 15%, var(--d01-surface)), var(--d01-surface));
    box-shadow: var(--d01-shadow);
}

.d04-hero h1 {
    margin: 0.35rem 0 0.25rem;
    color: var(--d01-text);
    font-size: clamp(1.55rem, 6vw, 2.45rem);
    line-height: 1.14;
}

.d04-hero p,
.d04-section-head p {
    margin: 0;
    color: var(--d01-text-muted);
    line-height: 1.55;
    font-size: 0.9rem;
}

.d04-setup,
.d04-card,
.d04-summary,
.d04-empty,
.d04-rules {
    border: 1px solid var(--d01-border);
    border-radius: var(--d02-card-radius);
    background: var(--d01-surface);
    box-shadow: 0 18px 48px color-mix(in srgb, #000 22%, transparent);
}

.d04-setup {
    position: relative;
    z-index: 10;
    padding: 1rem;
    margin-bottom: 1rem;
}

.d04-section-head {
    margin-bottom: 0.8rem;
}

.d04-section-head h2 {
    margin: 0 0 0.25rem;
    color: var(--d01-text);
    font-size: 1.05rem;
}

.d04-mode-grid {
    display: grid;
    gap: 0.65rem;
}

@media (min-width: 720px) {
    .d04-mode-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

.d04-mode-card {
    min-height: 78px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1.5px solid var(--d01-border-2);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 36%, transparent);
    color: var(--d01-text);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.d04-mode-card:hover,
.d04-mode-card.is-active {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--d01-primary) 42%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 10%, var(--d01-surface));
}

.d04-mode-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: var(--d01-primary);
    background: var(--d01-badge-bg);
}

.d04-mode-icon.tone-red {
    color: var(--d04-red);
    background: color-mix(in srgb, var(--d04-red) 12%, transparent);
}

.d04-mode-icon.tone-amber {
    color: var(--d04-amber);
    background: color-mix(in srgb, var(--d04-amber) 14%, transparent);
}

.d04-mode-icon.tone-blue {
    color: #3b82f6;
    background: color-mix(in srgb, #3b82f6 13%, transparent);
}

.d04-mode-icon.tone-green {
    color: var(--d04-green);
    background: color-mix(in srgb, var(--d04-green) 13%, transparent);
}

.d04-mode-text {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.d04-mode-text strong {
    font-size: 0.86rem;
    color: var(--d01-text);
}

.d04-mode-text small {
    color: var(--d01-text-dim);
    line-height: 1.3;
    font-size: 0.72rem;
}

.d04-mode-check {
    color: var(--d01-primary);
    opacity: 0;
}

.d04-mode-card.is-active .d04-mode-check {
    opacity: 1;
}

.d04-filter-card {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

@media (min-width: 820px) {
    .d04-filter-card {
        grid-template-columns: minmax(160px, 1fr) minmax(190px, 1.2fr) minmax(220px, 1fr) auto;
        align-items: end;
    }
}

.d04-field {
    display: flex;
    flex-direction: column;
    gap: 0.42rem;
    min-width: 0;
}

.d04-field label {
    color: var(--d01-text-dim);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.d04-count-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.4rem;
}

.d04-count-grid button {
    min-height: 46px;
    border: 1.5px solid var(--d01-border-2);
    border-radius: 14px;
    background: var(--d01-input-bg);
    color: var(--d01-text-muted);
    font-family: inherit;
    font-weight: 900;
    cursor: pointer;
}

.d04-count-grid button.is-active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
}

.d04-start-btn,
.d04-ghost-btn,
.d04-check-btn,
.d04-hint-btn,
.d04-next-btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 0;
    border-radius: var(--d01-radius-lg);
    font-family: inherit;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.16s ease, opacity 0.16s ease, box-shadow 0.16s ease;
}

.d04-start-btn,
.d04-check-btn,
.d04-next-btn {
    color: #fff;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    box-shadow: 0 8px 24px var(--d01-glow);
}

.d04-hint-btn {
    color: var(--d04-amber);
    background: color-mix(in srgb, var(--d04-amber) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--d04-amber) 28%, transparent);
}

.d04-ghost-btn {
    color: var(--d01-text);
    background: var(--d01-surface-2);
    border: 1px solid var(--d01-border-2);
}

.d04-start-btn:disabled,
.d04-check-btn:disabled,
.d04-hint-btn:disabled,
.d04-next-btn:disabled {
    opacity: 0.52;
    cursor: not-allowed;
    box-shadow: none;
}

.d04-card {
    padding: 0.9rem;
    margin-bottom: 1rem;
}

.d04-progress-top {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 0.8rem;
}

.d04-progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    color: var(--d01-text-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.d04-progress-track {
    height: 7px;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-text) 10%, transparent);
}

.d04-progress-track span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--d01-primary), var(--d01-accent), #3b82f6);
    transition: width 0.24s ease;
}

.d04-question-nav {
    display: flex;
    gap: 0.35rem;
    overflow-x: auto;
    padding: 0.1rem 0 0.7rem;
    margin-bottom: 0.6rem;
    scrollbar-width: none;
}

.d04-question-nav::-webkit-scrollbar {
    display: none;
}

.d04-question-nav button {
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    border: 1px solid var(--d01-border-2);
    border-radius: 11px;
    background: var(--d01-surface-2);
    color: var(--d01-text-dim);
    font-family: inherit;
    font-size: 0.72rem;
    font-weight: 900;
}

.d04-question-nav button.is-current {
    border-color: var(--d01-primary);
    color: var(--d01-primary);
}

.d04-question-nav button.is-correct {
    background: color-mix(in srgb, var(--d04-green) 15%, transparent);
    color: var(--d04-green);
}

.d04-question-nav button.is-wrong {
    background: color-mix(in srgb, var(--d04-red) 13%, transparent);
    color: var(--d04-red);
}

.d04-question-nav button.is-hint {
    box-shadow: inset 0 -3px 0 var(--d04-amber);
}

.d04-card-meta {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
}

.d04-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    min-width: 0;
}

.d04-hint-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.38rem 0.58rem;
    border-radius: 999px;
    color: var(--d04-amber);
    background: color-mix(in srgb, var(--d04-amber) 12%, transparent);
    font-size: 0.72rem;
    font-weight: 900;
}

.d04-question h2 {
    margin: 0 0 1rem;
    color: var(--d01-text);
    font-size: clamp(1.08rem, 4.6vw, 1.5rem);
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.d04-options {
    display: grid;
    gap: 0.65rem;
}

.d04-option {
    width: 100%;
    min-height: 58px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.7rem;
    padding: 0.78rem 0.82rem;
    border: 1.5px solid var(--d01-border-2);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 34%, var(--d01-surface));
    color: var(--d01-text);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, opacity 0.16s ease;
}

.d04-option:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--d01-primary) 42%, transparent);
}

.d04-option-letter,
.d04-option-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
}

.d04-option-letter {
    color: var(--d01-primary);
    background: var(--d01-badge-bg);
    font-weight: 900;
}

.d04-option-icon {
    color: var(--d01-text-dim);
}

.d04-option-text {
    font-weight: 750;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.d04-option.is-selected {
    border-color: color-mix(in srgb, var(--d01-primary) 58%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 12%, var(--d01-surface));
}

.d04-option.is-hint {
    border-color: color-mix(in srgb, var(--d04-amber) 58%, transparent);
    background: color-mix(in srgb, var(--d04-amber) 12%, var(--d01-surface));
}

.d04-option.is-correct {
    border-color: color-mix(in srgb, var(--d04-green) 72%, transparent);
    background: color-mix(in srgb, var(--d04-green) 14%, var(--d01-surface));
}

.d04-option.is-wrong {
    border-color: color-mix(in srgb, var(--d04-red) 68%, transparent);
    background: color-mix(in srgb, var(--d04-red) 13%, var(--d01-surface));
}

.d04-option.is-muted {
    opacity: 0.55;
}

.d04-option.is-correct .d04-option-letter,
.d04-option.is-correct .d04-option-icon {
    color: #fff;
    background: var(--d04-green);
}

.d04-option.is-wrong .d04-option-letter,
.d04-option.is-wrong .d04-option-icon {
    color: #fff;
    background: linear-gradient(135deg, var(--d04-red), var(--d04-amber));
}

.d04-learning {
    margin-top: 0.9rem;
    padding: 0.9rem;
    border: 1px solid var(--d01-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 36%, transparent);
}

.d04-learning-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.55rem;
    font-size: 0.78rem;
    font-weight: 900;
}

.d04-learning-label.is-correct {
    color: var(--d04-green);
}

.d04-learning-label.is-wrong {
    color: var(--d04-red);
}

.d04-learning-label.is-hint {
    color: var(--d04-amber);
}

.d04-answer-line {
    display: grid;
    gap: 0.2rem;
    margin-bottom: 0.55rem;
}

.d04-answer-line span {
    color: var(--d04-green);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.d04-answer-line strong,
.d04-learning p {
    color: var(--d01-text);
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.d04-learning p {
    margin: 0;
    color: var(--d01-text-muted);
    font-size: 0.88rem;
}

.d04-action-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
    margin-top: 1rem;
    padding: 0.65rem;
    border: 1px solid var(--d01-border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--d01-surface) 90%, transparent);
    backdrop-filter: blur(14px);
}

.d04-next-btn {
    grid-column: 1 / -1;
}

@media (min-width: 680px) {
    .d04-action-bar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .d04-next-btn {
        grid-column: auto;
    }
}

.d04-empty {
    padding: 1.25rem;
    text-align: center;
}

.d04-empty-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    color: var(--d01-primary);
    background: var(--d01-badge-bg);
    font-size: 1.45rem;
}

.d04-empty h2 {
    margin: 0 0 0.35rem;
    color: var(--d01-text);
}

.d04-empty p {
    margin: 0 auto 1rem;
    max-width: 520px;
    color: var(--d01-text-dim);
    line-height: 1.55;
}

.d04-empty-actions,
.d04-summary-actions {
    display: grid;
    gap: 0.65rem;
}

@media (min-width: 620px) {

    .d04-empty-actions,
    .d04-summary-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.d04-summary {
    padding: 1rem;
}

.d04-score-card {
    display: grid;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

@media (min-width: 680px) {
    .d04-score-card {
        grid-template-columns: auto minmax(0, 1fr);
    }
}

.d04-score-ring {
    --score: 0;
    width: 132px;
    height: 132px;
    margin: 0 auto;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background:
        radial-gradient(circle, var(--d01-surface) 58%, transparent 59%),
        conic-gradient(var(--d01-primary) calc(var(--score) * 1%), color-mix(in srgb, var(--d01-text) 10%, transparent) 0);
}

.d04-score-ring strong {
    color: var(--d01-text);
    font-size: 1.8rem;
    line-height: 1;
}

.d04-score-ring span {
    color: var(--d01-text-dim);
    font-size: 0.72rem;
    font-weight: 800;
    margin-top: -2.2rem;
}

.d04-score-copy h2 {
    margin: 0.35rem 0 0.25rem;
    color: var(--d01-text);
}

.d04-score-copy p {
    margin: 0;
    color: var(--d01-text-muted);
    line-height: 1.55;
}

.d04-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    margin-bottom: 1rem;
}

@media (min-width: 620px) {
    .d04-summary-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.d04-summary-grid div {
    display: grid;
    gap: 0.2rem;
    place-items: center;
    min-height: 76px;
    padding: 0.75rem;
    border: 1px solid var(--d01-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-bg) 35%, transparent);
}

.d04-summary-grid strong {
    color: var(--d01-text);
    font-size: 1.45rem;
}

.d04-summary-grid span {
    color: var(--d01-text-dim);
    font-size: 0.76rem;
    font-weight: 800;
}

.d04-summary-grid .is-good strong {
    color: var(--d04-green);
}

.d04-summary-grid .is-bad strong {
    color: var(--d04-red);
}

.d04-summary-grid .is-warn strong {
    color: var(--d04-amber);
}

.d04-weak-card {
    margin-bottom: 1rem;
    padding: 0.9rem;
    border: 1px solid color-mix(in srgb, var(--d04-amber) 28%, transparent);
    border-radius: 16px;
    background: color-mix(in srgb, var(--d04-amber) 8%, transparent);
}

.d04-weak-card h3 {
    margin: 0 0 0.65rem;
    color: var(--d04-amber);
    font-size: 0.95rem;
}

.d04-weak-row {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.5rem 0;
    color: var(--d01-text-muted);
    border-top: 1px solid color-mix(in srgb, var(--d04-amber) 18%, transparent);
}

.d04-weak-row span {
    overflow-wrap: anywhere;
}

.d04-weak-row strong {
    color: var(--d04-amber);
    white-space: nowrap;
}

.d04-rules {
    position: relative;
    z-index: 1;
    padding: 0.2rem 0.95rem;
}

.d04-rules summary {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    color: var(--d01-text);
    font-weight: 900;
    cursor: pointer;
    list-style: none;
}

.d04-rules summary::-webkit-details-marker {
    display: none;
}

.d04-rules summary span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.d04-rules ul {
    margin: 0;
    padding: 0 0 0.95rem 1.15rem;
    color: var(--d01-text-dim);
    line-height: 1.7;
    font-size: 0.87rem;
}

@media (max-width: 420px) {
    .d04-card-meta {
        flex-direction: column;
    }

    .d04-card-meta .d03-report-btn {
        align-self: flex-start;
    }
}

/* ================================================================
   EXAM MODE — Premium Redesign
   Mobile-first, teal/blue theme, sticky controls
   ================================================================ */

/* Sticky top bar during exam */
.exam-sticky-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 0.7rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.exam-timer-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.exam-timer {
    font-size: 1.3rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all 0.4s ease;
}

.exam-timer.timer-green {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.exam-timer.timer-amber {
    color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
}

.exam-timer.timer-red {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

@keyframes examTimerPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.65;
        transform: scale(1.04);
    }
}

.exam-timer.timer-pulse {
    animation: examTimerPulse 0.75s ease-in-out infinite;
}

.exam-progress-badge {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Question area */
.exam-question-card {
    padding: 1.5rem;
    flex: 1;
}

.exam-chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.exam-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.exam-chip.sub {
    background: rgba(148, 163, 184, 0.08);
    color: var(--text-muted);
    border-color: var(--border-color);
}

.exam-q-number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.6rem;
}

.exam-q-text {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.55;
    margin-bottom: 1.5rem;
}

/* Answer option cards */
.exam-options-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.exam-option-card {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.95rem 1.15rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
    background: transparent;
    min-height: 54px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    text-align: left;
    width: 100%;
    font-family: inherit;
    color: var(--text-color);
}

.exam-option-card:hover:not(.selected):not([disabled]) {
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(59, 130, 246, 0.04);
}

.exam-option-card:active:not([disabled]) {
    transform: scale(0.99);
}

.exam-option-card.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.08);
}

.exam-option-card[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

.exam-option-radio {
    flex-shrink: 0;
    font-size: 1.05rem;
    margin-top: 0.15rem;
    color: var(--text-muted);
}

.exam-option-card.selected .exam-option-radio {
    color: var(--primary-color);
}

.exam-option-text {
    font-size: 0.98rem;
    line-height: 1.5;
}

/* Question navigator */
.exam-navigator-section {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
}

.exam-navigator-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.exam-navigator-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.3rem;
    min-width: 360px;
}

.exam-nav-pill {
    aspect-ratio: 1;
    padding: 0;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.12s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    font-family: inherit;
}

.exam-nav-pill:hover {
    border-color: rgba(59, 130, 246, 0.4);
    color: var(--text-color);
}

.exam-nav-pill.answered {
    border-color: rgba(16, 185, 129, 0.5);
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.07);
}

.exam-nav-pill.current {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* Sticky bottom navigation bar */
.exam-bottom-bar {
    position: sticky;
    bottom: 0;
    z-index: 30;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 0.85rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
}

.exam-nav-btns {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-exam-finish {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-exam-finish:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.3);
}

.btn-exam-finish:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Result screen */
.result-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.result-stat-card {
    padding: 1.1rem 0.75rem;
    text-align: center;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.result-stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.result-stat-label {
    font-size: 0.76rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Motivation message */
.result-motivation {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
    text-align: left;
}

/* Share section */
.result-share-section {
    background: rgba(20, 184, 166, 0.05);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.75rem;
    text-align: left;
}

.share-link-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}

.share-link-input {
    flex: 1;
    padding: 0.55rem 0.85rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: inherit;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.share-btns-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    font-family: inherit;
}

.share-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

.share-btn.wa {
    border-color: rgba(37, 211, 102, 0.3);
}

.share-btn.wa:hover {
    background: rgba(37, 211, 102, 0.08);
}

.share-btn.tg {
    border-color: rgba(0, 136, 204, 0.3);
}

.share-btn.tg:hover {
    background: rgba(0, 136, 204, 0.08);
}

/* Review section */
.review-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.review-toggle-btn:hover {
    background: rgba(30, 41, 59, 0.6);
}

.review-section-body {
    margin-top: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.review-card {
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.review-card.correct {
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.03);
}

.review-card.wrong {
    border-color: rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.02);
}

.review-card-hdr {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

.review-meta {
    font-size: 0.76rem;
    color: var(--text-muted);
}

.review-status-badge {
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.review-status-badge.c {
    color: var(--success-color);
}

.review-status-badge.w {
    color: var(--danger-color);
}

.review-q-text {
    font-size: 0.97rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 0.75rem;
}

.review-answers {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.review-ans {
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    font-size: 0.88rem;
    line-height: 1.4;
}

.review-ans.ac {
    background: rgba(16, 185, 129, 0.09);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.review-ans.aw {
    background: rgba(239, 68, 68, 0.07);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* Intro rules grid */
.exam-rules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
    margin-bottom: 2rem;
    text-align: left;
}

.exam-rule-card {
    padding: 0.85rem 1rem;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.exam-rule-title {
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.exam-rule-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Share public page */
.share-page-card {
    max-width: 520px;
    margin: 2rem auto;
    text-align: center;
}

.share-page-score {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.share-page-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1rem;
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.share-page-badge.pass {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.share-page-badge.fail {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.share-page-badge.timeout {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Mobile overrides */
@media (max-width: 480px) {
    .exam-navigator-grid {
        grid-template-columns: repeat(8, 1fr);
        min-width: 280px;
    }

    .result-stat-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .result-stat-value {
        font-size: 1.4rem;
    }

    .exam-rules-grid {
        grid-template-columns: 1fr;
    }

    .exam-q-text {
        font-size: 1.05rem;
    }

    .exam-sticky-bar {
        border-radius: 0;
    }

    .exam-bottom-bar {
        border-radius: 0;
    }
}

/* DESIGN-05 real exam page */
.d05-exam-main {
    --d05-green: #10b981;
    --d05-red: #ef4444;
    --d05-amber: #f59e0b;
    --d05-blue: #3b82f6;
    --d05-cyan: #06b6d4;
    --d05-solid: #07111f;
    --d05-raised: #0d1b2f;
    --d05-soft: #10243a;
    --d05-card: linear-gradient(145deg, #0d1b2f 0%, #07111f 100%);
    --d05-card-border: rgba(20, 184, 166, 0.22);
    --d05-strong-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
    max-width: var(--d02-main-max);
    padding-top: 0.75rem;
    overflow-x: hidden;
}

html:not(.dark) .d05-exam-main,
html:not(.dark) .d05-share-body {
    --d05-solid: #ffffff;
    --d05-raised: #f8fffe;
    --d05-soft: #ecfeff;
    --d05-card: linear-gradient(145deg, #ffffff 0%, #ecfeff 100%);
    --d05-card-border: rgba(13, 148, 136, 0.22);
    --d05-strong-shadow: 0 24px 60px rgba(13, 148, 136, 0.16);
}

.d05-exam-main *,
.d05-exam-main *::before,
.d05-exam-main *::after,
.d05-share-page *,
.d05-share-page *::before,
.d05-share-page *::after {
    box-sizing: border-box;
    min-width: 0;
}

.d05-exam-hero,
.d05-exam-card,
.d05-result,
.d05-public-card {
    animation: d03-card-in 0.24s ease both;
}

.d05-exam-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    background:
        radial-gradient(circle at 14% 0%, color-mix(in srgb, var(--d01-primary) 22%, transparent), transparent 36%),
        radial-gradient(circle at 92% 20%, color-mix(in srgb, var(--d05-amber) 16%, transparent), transparent 28%),
        var(--d05-card);
    box-shadow: var(--d05-strong-shadow);
    padding: 1rem;
}

.d05-hero-orb {
    position: absolute;
    inset: auto -56px -80px auto;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d05-cyan) 14%, transparent);
    filter: blur(8px);
    pointer-events: none;
}

.d05-hero-title-row {
    position: relative;
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    margin: 0.85rem 0 1rem;
}

.d05-hero-icon,
.d05-public-icon,
.d05-result-icon,
.d05-modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: color-mix(in srgb, var(--d01-primary) 14%, transparent);
    color: var(--d01-primary);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--d01-primary) 24%, transparent);
}

.d05-hero-icon {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    font-size: 1.35rem;
}

.d05-hero-title-row h1,
.d05-result h2,
.d05-public-card h1 {
    margin: 0;
    color: var(--d01-text);
    font-size: clamp(1.55rem, 7vw, 2.35rem);
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1.12;
}

.d05-hero-title-row p,
.d05-result-hero p,
.d05-public-card p {
    margin: 0.42rem 0 0;
    color: var(--d01-text-muted);
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.d05-rule-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    margin: 1rem 0;
}

.d05-rule-card {
    display: grid;
    gap: 0.3rem;
    align-content: start;
    min-height: 118px;
    padding: 0.82rem;
    border: 1px solid color-mix(in srgb, var(--d01-primary) 22%, transparent);
    border-radius: 14px;
    background: color-mix(in srgb, var(--d01-primary) 7%, transparent);
}

.d05-rule-card i {
    color: var(--d01-primary);
    font-size: 1rem;
}

.d05-rule-card strong {
    color: var(--d01-text);
    font-size: 0.98rem;
}

.d05-rule-card span {
    color: var(--d01-text-muted);
    font-size: 0.76rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.d05-rule-card--amber {
    border-color: color-mix(in srgb, var(--d05-amber) 28%, transparent);
    background: color-mix(in srgb, var(--d05-amber) 9%, transparent);
}

.d05-rule-card--amber i {
    color: var(--d05-amber);
}

.d05-rule-card--green {
    border-color: color-mix(in srgb, var(--d05-green) 26%, transparent);
    background: color-mix(in srgb, var(--d05-green) 8%, transparent);
}

.d05-rule-card--green i {
    color: var(--d05-green);
}

.d05-rule-card--blue {
    border-color: color-mix(in srgb, var(--d05-blue) 26%, transparent);
    background: color-mix(in srgb, var(--d05-blue) 8%, transparent);
}

.d05-rule-card--blue i {
    color: var(--d05-blue);
}

.d05-warning-card {
    display: flex;
    gap: 0.75rem;
    padding: 0.9rem;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--d05-amber) 30%, transparent);
    background: color-mix(in srgb, var(--d05-amber) 9%, transparent);
    margin: 1rem 0;
}

.d05-warning-card i {
    color: var(--d05-amber);
    margin-top: 0.2rem;
}

.d05-warning-card strong {
    color: var(--d01-text);
}

.d05-warning-card p {
    margin: 0.25rem 0 0;
    color: var(--d01-text-muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

.d05-primary-btn,
.d05-secondary-btn,
.d05-icon-btn,
.d05-finish-btn,
.d05-report-btn,
.d05-copy-btn,
.d05-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 44px;
    border-radius: 14px;
    border: 0;
    font-family: inherit;
    font-weight: 800;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease;
    -webkit-tap-highlight-color: transparent;
}

.d05-primary-btn {
    width: 100%;
    padding: 0.95rem 1.1rem;
    color: #ffffff !important;
    background: linear-gradient(135deg, #0d9488 0%, #06b6d4 52%, #2563eb 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 16px 36px color-mix(in srgb, var(--d01-primary) 26%, transparent);
}

.d05-primary-btn--compact {
    width: auto;
    padding: 0.78rem 1rem;
}

.d05-primary-btn:hover,
.d05-secondary-btn:hover,
.d05-icon-btn:hover,
.d05-finish-btn:hover,
.d05-report-btn:hover,
.d05-copy-btn:hover,
.d05-share-btn:hover {
    transform: translateY(-1px);
}

.d05-secondary-btn,
.d05-icon-btn,
.d05-report-btn,
.d05-copy-btn,
.d05-share-btn {
    color: var(--d01-text);
    border: 1px solid var(--d05-card-border);
    background: var(--d05-raised);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
}

html:not(.dark) .d05-secondary-btn,
html:not(.dark) .d05-icon-btn,
html:not(.dark) .d05-report-btn,
html:not(.dark) .d05-copy-btn,
html:not(.dark) .d05-share-btn {
    color: #064e4a;
    background: #ffffff;
    border-color: rgba(13, 148, 136, 0.24);
    box-shadow: 0 10px 24px rgba(13, 148, 136, 0.10);
}

.d05-exam-card,
.d05-result {
    width: 100%;
    flex-direction: column;
    overflow: visible;
    border: 1px solid var(--d05-card-border);
    border-radius: var(--d02-card-radius);
    background: var(--d05-card);
    box-shadow: var(--d05-strong-shadow);
}

.d05-status-bar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--d05-card-border);
    border-radius: var(--d02-card-radius) var(--d02-card-radius) 0 0;
    background: var(--d05-raised);
    backdrop-filter: blur(16px);
}

.d05-timer-block {
    display: grid;
    gap: 0.12rem;
}

.d05-timer-label,
.d05-status-row span,
.d05-bottom-meta,
.d05-navigator-top small {
    color: var(--d01-text-muted);
    font-size: 0.72rem;
    font-weight: 700;
}

.d05-status-row {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.38rem;
}

.d05-status-row strong {
    color: var(--d01-text);
    font-variant-numeric: tabular-nums;
}

.d05-progress-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-text-muted) 15%, transparent);
}

.d05-progress-track span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--d01-primary), var(--d05-cyan));
    transition: width 0.22s ease;
}

.exam-timer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    padding: 0.35rem 0.65rem;
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.exam-timer.timer-green {
    color: var(--d05-green);
    background: color-mix(in srgb, var(--d05-green) 12%, transparent);
}

.exam-timer.timer-amber {
    color: var(--d05-amber);
    background: color-mix(in srgb, var(--d05-amber) 14%, transparent);
}

.exam-timer.timer-red {
    color: var(--d05-red);
    background: color-mix(in srgb, var(--d05-red) 12%, transparent);
}

.exam-timer.timer-pulse {
    animation: examTimerPulse 0.75s ease-in-out infinite;
}

.d05-question-panel {
    padding: 1rem;
}

.d05-card-meta,
.d05-navigator-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.d05-card-meta {
    justify-content: flex-end;
    margin-bottom: 0.15rem;
}

.d05-chip-row {
    display: none;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.d05-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    max-width: 100%;
    padding: 0.36rem 0.62rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--d01-primary) 24%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 9%, transparent);
    color: var(--d01-primary);
    font-size: 0.74rem;
    font-weight: 800;
}

.d05-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.d05-chip--muted {
    border-color: var(--d02-card-border);
    background: color-mix(in srgb, var(--d01-text-muted) 8%, transparent);
    color: var(--d01-text-muted);
}

.d05-report-btn {
    min-height: 38px;
    padding: 0.45rem 0.65rem;
    color: var(--d05-amber);
    font-size: 0.78rem;
    flex-shrink: 0;
}

.d05-question-head {
    margin: 0.45rem 0 0.85rem;
}

.d05-q-number {
    display: inline-flex;
    color: var(--d01-primary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    margin-bottom: 0.52rem;
}

.d05-question-head h2 {
    margin: 0;
    color: var(--d01-text);
    font-size: clamp(1.05rem, 4.6vw, 1.35rem);
    line-height: 1.58;
    font-weight: 850;
    overflow-wrap: anywhere;
}

.d05-options-list {
    display: grid;
    gap: 0.65rem;
}

.d05-option-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: flex-start;
    width: 100%;
    min-height: 58px;
    padding: 0.86rem;
    border: 1px solid var(--d05-card-border);
    border-radius: 16px;
    background: var(--d05-raised);
    color: var(--d01-text);
    text-align: left;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
    -webkit-tap-highlight-color: transparent;
}

.d05-option-card:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--d01-primary) 42%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 7%, var(--d01-surface));
}

.d05-option-card:active:not(:disabled) {
    transform: scale(0.992);
}

.d05-option-card.is-selected {
    border-color: color-mix(in srgb, var(--d01-primary) 72%, transparent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--d01-primary) 14%, transparent), transparent),
        var(--d05-soft);
    box-shadow: 0 12px 24px color-mix(in srgb, var(--d01-primary) 12%, transparent);
}

.d05-option-letter,
.d05-option-radio {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 10px;
    font-size: 0.82rem;
    flex: 0 0 28px;
}

.d05-option-letter {
    background: color-mix(in srgb, var(--d01-text-muted) 12%, transparent);
    color: var(--d01-text-muted);
    font-weight: 900;
}

.d05-option-radio {
    color: var(--d01-text-muted);
}

.d05-option-card.is-selected .d05-option-letter,
.d05-option-card.is-selected .d05-option-radio {
    background: var(--d01-primary);
    color: #fff;
}

.d05-option-text {
    color: var(--d01-text);
    font-size: 0.96rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.d05-navigator-section {
    padding: 0.85rem 1rem 0.95rem;
    border-top: 1px solid var(--d05-card-border);
}

.d05-navigator-top {
    margin-bottom: 0.55rem;
}

.d05-navigator-top span,
.d05-section-title {
    color: var(--d01-text);
    font-size: 0.9rem;
    font-weight: 900;
}

.d05-navigator-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.d05-navigator-scroll::-webkit-scrollbar {
    display: none;
}

.d05-navigator-grid {
    display: grid;
    grid-template-columns: repeat(20, 34px);
    gap: 0.4rem;
    width: max-content;
    padding-bottom: 0.1rem;
}

.d05-nav-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--d05-card-border);
    border-radius: 11px;
    background: var(--d05-raised);
    color: var(--d01-text-muted);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.d05-nav-pill.is-answered {
    border-color: color-mix(in srgb, var(--d05-green) 38%, transparent);
    background: color-mix(in srgb, var(--d05-green) 11%, transparent);
    color: var(--d05-green);
}

.d05-nav-pill.is-current {
    border-color: transparent;
    background: linear-gradient(135deg, var(--d01-primary), var(--d05-cyan));
    color: #fff;
    box-shadow: 0 10px 18px color-mix(in srgb, var(--d01-primary) 24%, transparent);
}

.d05-bottom-bar {
    position: sticky;
    bottom: 0;
    z-index: 18;
    display: grid;
    gap: 0.55rem;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--d05-card-border);
    border-radius: 0 0 var(--d02-card-radius) var(--d02-card-radius);
    background: var(--d05-raised);
    backdrop-filter: blur(16px);
}

.d05-bottom-actions {
    display: grid;
    grid-template-columns: 46px 46px minmax(0, 1fr);
    gap: 0.55rem;
}

.d05-icon-btn {
    width: 46px;
    min-height: 46px;
    padding: 0;
}

.d05-icon-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.d05-finish-btn {
    min-height: 46px;
    padding: 0.7rem 0.9rem;
    color: #fff;
    background: linear-gradient(135deg, var(--d05-green), #059669);
    box-shadow: 0 12px 24px color-mix(in srgb, var(--d05-green) 20%, transparent);
}

.d05-finish-btn.is-disabled {
    color: var(--d01-text-muted);
    background: color-mix(in srgb, var(--d01-text-muted) 12%, transparent);
    box-shadow: none;
}

.d05-result {
    padding: 1rem;
}

.d05-result-hero {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 0.7rem;
    padding: 0.6rem 0 1rem;
}

.d05-result-icon {
    width: 58px;
    height: 58px;
    font-size: 1.55rem;
}

.d05-result-hero.is-pass .d05-result-icon {
    color: var(--d05-green);
    background: color-mix(in srgb, var(--d05-green) 12%, transparent);
}

.d05-result-hero.is-fail .d05-result-icon {
    color: var(--d05-red);
    background: color-mix(in srgb, var(--d05-red) 11%, transparent);
}

.d05-result-hero.is-timeout .d05-result-icon {
    color: var(--d05-amber);
    background: color-mix(in srgb, var(--d05-amber) 13%, transparent);
}

.d05-score-ring {
    display: grid;
    place-items: center;
    width: 136px;
    height: 136px;
    border-radius: 999px;
    background:
        radial-gradient(circle, var(--d05-solid) 58%, transparent 60%),
        conic-gradient(var(--d01-primary), var(--d05-cyan), var(--d05-amber), var(--d01-primary));
    box-shadow: var(--d05-strong-shadow);
}

.d05-score-ring strong {
    color: var(--d01-text);
    font-size: 2.25rem;
    font-weight: 950;
    line-height: 1;
}

.d05-score-ring span {
    color: var(--d01-text-muted);
    font-size: 0.78rem;
    font-weight: 800;
    margin-top: -1.35rem;
}

.d05-threshold-line {
    display: inline-flex;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    color: var(--d05-amber);
    background: color-mix(in srgb, var(--d05-amber) 11%, transparent);
    font-size: 0.82rem;
    font-weight: 850;
}

.d05-result-grid,
.d05-public-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
}

.d05-result-stat,
.d05-public-stats div {
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 0.28rem;
    min-height: 92px;
    padding: 0.85rem 0.55rem;
    border: 1px solid var(--d05-card-border);
    border-radius: 15px;
    background: var(--d05-raised);
}

.d05-result-stat strong,
.d05-public-stats strong {
    color: var(--d01-text);
    font-size: 1.2rem;
    font-weight: 950;
}

.d05-result-stat span,
.d05-public-stats span {
    color: var(--d01-text-muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.d05-result-stat--green i,
.d05-public-stats div:nth-child(1) i {
    color: var(--d05-green);
}

.d05-result-stat--red i,
.d05-public-stats div:nth-child(2) i {
    color: var(--d05-red);
}

.d05-result-stat--amber i,
.d05-public-stats div:nth-child(3) i {
    color: var(--d05-amber);
}

.d05-motivation,
.d05-share-section,
.d05-weak-section,
.d05-review-section,
.d05-public-motivation {
    margin-top: 0.8rem;
    padding: 0.9rem;
    border: 1px solid var(--d05-card-border);
    border-radius: 16px;
    background: var(--d05-raised);
    color: var(--d01-text-muted);
    line-height: 1.55;
}

.d05-section-title {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.65rem;
}

.d05-section-title i {
    color: var(--d05-amber);
}

.d05-section-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 24px;
    padding: 0 0.45rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d05-amber) 14%, transparent);
    color: var(--d05-amber);
    font-size: 0.75rem;
    font-weight: 900;
}

.d05-weak-list {
    display: grid;
    gap: 0.5rem;
}

.d05-weak-row {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.62rem;
    border-radius: 12px;
    background: color-mix(in srgb, var(--d05-amber) 8%, transparent);
}

.d05-weak-row span {
    display: grid;
    gap: 0.12rem;
    color: var(--d01-text);
    font-weight: 800;
    overflow-wrap: anywhere;
}

.d05-weak-row small {
    color: var(--d01-text-muted);
    font-weight: 650;
}

.d05-weak-row strong {
    color: var(--d05-amber);
    white-space: nowrap;
}

.d05-weak-toggle {
    width: 100%;
    min-height: 42px;
    border: 1px solid color-mix(in srgb, var(--d05-amber) 28%, transparent);
    border-radius: 12px;
    background: color-mix(in srgb, var(--d05-amber) 9%, transparent);
    color: var(--d05-amber);
    font-family: inherit;
    font-weight: 900;
    cursor: pointer;
}

.d05-share-link-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 46px;
    gap: 0.5rem;
}

.d05-share-input,
.d05-select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--d05-card-border);
    border-radius: 13px;
    background: var(--d05-solid);
    color: var(--d01-text);
    padding: 0.75rem;
    font-family: inherit;
}

.d05-copy-btn {
    width: 46px;
    min-height: 46px;
    padding: 0;
}

.d05-share-buttons,
.d05-result-actions,
.d05-modal-actions,
.d05-public-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.7rem;
}

.d05-share-btn {
    flex: 1 1 110px;
    min-height: 44px;
}

.d05-share-btn--wa {
    color: #ffffff !important;
    background: linear-gradient(135deg, #16a34a, #22c55e) !important;
    border-color: rgba(34, 197, 94, 0.55);
}

.d05-share-btn--tg {
    color: #ffffff !important;
    background: linear-gradient(135deg, #0284c7, #38bdf8) !important;
    border-color: rgba(56, 189, 248, 0.55);
}

.d05-result-actions>* {
    flex: 1 1 170px;
}

.d05-review-toggle {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--d01-text);
    font-family: inherit;
    font-size: 0.96rem;
    font-weight: 900;
    cursor: pointer;
}

.d05-review-body {
    margin-top: 0.85rem;
}

.d05-review-tabs {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.d05-review-tabs::-webkit-scrollbar {
    display: none;
}

.d05-review-tabs button {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--d02-card-border);
    border-radius: 999px;
    background: transparent;
    color: var(--d01-text-muted);
    font-family: inherit;
    font-weight: 850;
}

.d05-review-tabs button.is-active {
    border-color: color-mix(in srgb, var(--d01-primary) 40%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 10%, transparent);
    color: var(--d01-primary);
}

.d05-review-list {
    display: grid;
    gap: 0.75rem;
}

.d05-review-card {
    padding: 0.9rem;
    border-radius: 15px;
    border: 1px solid var(--d05-card-border);
    background: var(--d05-raised);
}

.d05-review-card.is-correct {
    border-color: color-mix(in srgb, var(--d05-green) 26%, transparent);
}

.d05-review-card.is-wrong {
    border-color: color-mix(in srgb, var(--d05-red) 26%, transparent);
}

.d05-review-card-head {
    display: flex;
    justify-content: space-between;
    gap: 0.6rem;
    align-items: flex-start;
}

.d05-review-card-head span {
    display: grid;
    color: var(--d01-text-muted);
    font-size: 0.76rem;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.d05-review-card-head small {
    margin-top: 0.1rem;
    font-weight: 650;
}

.d05-review-card-head strong {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--d01-text);
    font-size: 0.78rem;
    white-space: nowrap;
}

.d05-review-card.is-correct .d05-review-card-head strong {
    color: var(--d05-green);
}

.d05-review-card.is-wrong .d05-review-card-head strong {
    color: var(--d05-red);
}

.d05-review-card h3 {
    margin: 0.65rem 0;
    color: var(--d01-text);
    font-size: 0.98rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.d05-review-answers {
    display: grid;
    gap: 0.45rem;
}

.d05-review-answers div {
    padding: 0.62rem;
    border-radius: 12px;
}

.d05-review-answers .is-correct {
    border: 1px solid color-mix(in srgb, var(--d05-green) 28%, transparent);
    background: color-mix(in srgb, var(--d05-green) 9%, transparent);
}

.d05-review-answers .is-wrong {
    border: 1px solid color-mix(in srgb, var(--d05-red) 28%, transparent);
    background: color-mix(in srgb, var(--d05-red) 8%, transparent);
}

.d05-review-answers span {
    display: block;
    color: var(--d01-text-muted);
    font-size: 0.72rem;
    font-weight: 850;
    margin-bottom: 0.18rem;
}

.d05-review-answers p {
    margin: 0;
    color: var(--d01-text);
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.d05-modal {
    --d05-green: #10b981;
    --d05-red: #ef4444;
    --d05-amber: #f59e0b;
    --d05-blue: #3b82f6;
    --d05-cyan: #06b6d4;
    --d05-solid: #07111f;
    --d05-raised: #0d1b2f;
    --d05-soft: #10243a;
    --d05-card: linear-gradient(145deg, #0d1b2f 0%, #07111f 100%);
    --d05-card-border: rgba(20, 184, 166, 0.22);
    --d05-strong-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
    z-index: 9999;
    background: rgba(2, 6, 23, 0.78);
    backdrop-filter: blur(12px);
    padding: 1rem;
}

html:not(.dark) .d05-modal {
    --d05-solid: #ffffff;
    --d05-raised: #f8fffe;
    --d05-soft: #ecfeff;
    --d05-card: linear-gradient(145deg, #ffffff 0%, #ecfeff 100%);
    --d05-card-border: rgba(13, 148, 136, 0.22);
    --d05-strong-shadow: 0 24px 60px rgba(13, 148, 136, 0.16);
    background: rgba(15, 23, 42, 0.34);
}

.d05-modal .modal-content-panel {
    width: min(92vw, 440px);
}

.d05-modal-panel {
    text-align: center;
    border-radius: 18px;
    border: 1px solid var(--d05-card-border);
    background: var(--d05-solid) !important;
    box-shadow: var(--d05-strong-shadow);
    max-height: none;
    overflow-y: visible;
}

html:not(.dark) .d05-modal-panel {
    background: #ffffff !important;
    color: #042f2e;
}

.d05-modal-panel--wide {
    width: min(94vw, 520px) !important;
    text-align: left;
}

.d05-modal-icon {
    width: 54px;
    height: 54px;
    margin: 0 auto 0.75rem;
    font-size: 1.35rem;
}

.d05-modal-icon--amber {
    color: var(--d05-amber);
    background: color-mix(in srgb, var(--d05-amber) 12%, transparent);
}

.d05-modal-icon--green {
    color: var(--d05-green);
    background: color-mix(in srgb, var(--d05-green) 12%, transparent);
}

.d05-modal-icon--red {
    color: var(--d05-red);
    background: color-mix(in srgb, var(--d05-red) 12%, transparent);
}

.d05-modal-panel h3 {
    margin: 0 0 0.5rem;
    color: var(--d01-text);
    font-size: 1.25rem;
    font-weight: 900;
}

.d05-modal-panel p {
    margin: 0;
    color: var(--d01-text-muted);
    line-height: 1.55;
}

.d05-modal-actions {
    justify-content: center;
}

.d05-modal-actions>* {
    flex: 1 1 130px;
}

.d05-modal-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
}

.d05-unanswered-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    max-height: 220px;
    overflow: auto;
    margin: 1rem 0;
}

.d05-modal-full {
    width: 100%;
}

.d05-report-head .modal-title {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--d01-text);
}

.d05-modal .auth-label {
    color: var(--d01-text-muted);
}

.d05-modal .auth-input,
.d05-modal textarea.auth-input {
    color: var(--d01-text);
    background: var(--d05-raised);
    border: 1px solid var(--d05-card-border);
    border-radius: 14px;
}

html:not(.dark) .d05-modal .auth-input,
html:not(.dark) .d05-modal textarea.auth-input {
    color: #042f2e;
    background: #f8fffe;
}

.d05-report-form textarea {
    min-height: 116px;
    resize: vertical;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.d05-hidden-select {
    display: none !important;
}

.d05-report-combo {
    width: 100%;
}

.d05-report-combo .d03-combo-menu {
    z-index: 10000;
    background: var(--d05-solid);
    border-color: var(--d05-card-border);
    box-shadow: var(--d05-strong-shadow);
}

.d05-share-body {
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    margin: 0;
    box-sizing: border-box;
    --d05-green: #10b981;
    --d05-red: #ef4444;
    --d05-amber: #f59e0b;
    --d05-blue: #3b82f6;
    --d05-cyan: #06b6d4;
    --d05-solid: #07111f;
    --d05-raised: #0d1b2f;
    --d05-soft: #10243a;
    --d05-card: linear-gradient(145deg, #0d1b2f 0%, #07111f 100%);
    --d05-card-border: rgba(20, 184, 166, 0.22);
    --d05-strong-shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
    background:
        radial-gradient(circle at 18% 0%, rgba(20, 184, 166, 0.16), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(245, 158, 11, 0.12), transparent 28%),
        var(--d01-bg);
    color: var(--d01-text);
    font-family: "Noto Sans Armenian", Inter, system-ui, sans-serif;
    overflow-x: hidden;
}

html:has(.d05-share-body) {
    overflow-x: hidden;
}

.d05-share-page {
    position: relative;
    z-index: 1;
    width: min(100%, 680px);
    max-width: 100%;
    min-height: 100vh;
    margin: 0 auto;
    padding: 1rem 0.75rem 2rem;
    overflow-x: hidden;
    box-sizing: border-box;
}

.d05-share-top {
    display: flex;
    justify-content: center;
    padding: 0.6rem 0 1rem;
}

.d05-public-card {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 1.1rem;
    text-align: center;
    border: 1px solid var(--d05-card-border);
    border-radius: 24px;
    background:
        radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--d01-primary) 18%, transparent), transparent 34%),
        radial-gradient(circle at 90% 20%, color-mix(in srgb, var(--d05-amber) 15%, transparent), transparent 28%),
        var(--d05-card);
    box-shadow: var(--d05-strong-shadow);
}

html:not(.dark) .d05-public-card {
    background:
        radial-gradient(circle at 20% 0%, rgba(13, 148, 136, 0.13), transparent 34%),
        radial-gradient(circle at 90% 20%, rgba(217, 119, 6, 0.12), transparent 28%),
        linear-gradient(145deg, #ffffff 0%, #ecfeff 100%);
    border-color: rgba(13, 148, 136, 0.24);
    box-shadow: 0 24px 60px rgba(13, 148, 136, 0.16);
}

.d05-public-card--empty {
    display: grid;
    justify-items: center;
    gap: 0.8rem;
}

.d05-public-icon {
    width: 64px;
    height: 64px;
    font-size: 1.6rem;
}

.d05-certificate-ribbon {
    display: inline-flex;
    padding: 0.38rem 0.8rem;
    border-radius: 999px;
    color: var(--d01-primary);
    background: color-mix(in srgb, var(--d01-primary) 11%, transparent);
    font-size: 0.78rem;
    font-weight: 900;
}

.d05-public-user {
    display: grid;
    gap: 0.12rem;
    margin: 1rem 0;
}

.d05-public-user span,
.d05-public-date {
    color: var(--d01-text-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.d05-public-user strong {
    color: var(--d01-text);
    font-size: 1.15rem;
    font-weight: 950;
    overflow-wrap: anywhere;
}

.d05-public-score {
    display: grid;
    justify-items: center;
    margin: 0.5rem 0;
}

.d05-public-score strong {
    font-size: clamp(3.25rem, 17vw, 5rem);
    font-weight: 950;
    line-height: 0.95;
}

.d05-public-score.pass strong {
    color: var(--d05-green);
}

.d05-public-score.fail strong {
    color: var(--d05-red);
}

.d05-public-score.timeout strong {
    color: var(--d05-amber);
}

.d05-public-score span {
    color: var(--d01-text-muted);
    font-weight: 850;
}

.d05-public-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    font-weight: 900;
    font-size: 0.84rem;
}

.d05-public-badge.pass {
    color: var(--d05-green);
    background: color-mix(in srgb, var(--d05-green) 12%, transparent);
}

.d05-public-badge.fail {
    color: var(--d05-red);
    background: color-mix(in srgb, var(--d05-red) 11%, transparent);
}

.d05-public-badge.timeout {
    color: var(--d05-amber);
    background: color-mix(in srgb, var(--d05-amber) 13%, transparent);
}

.d05-public-stats {
    margin: 1rem 0;
    min-width: 0;
}

.d05-public-date {
    margin-top: 0.9rem;
}

.d05-public-cta {
    justify-content: center;
    margin-top: 1rem;
}

.d05-public-cta>* {
    flex: 1 1 190px;
}

@media (max-width: 640px) {
    .d05-share-body {
        width: 100%;
        max-width: 100%;
    }

    .d05-share-page {
        width: 100%;
        max-width: 100%;
        padding: 0.75rem 0.85rem 1.5rem;
        overflow-x: visible;
    }

    .d05-share-top {
        justify-content: flex-start;
        padding: 0.35rem 0 0.75rem;
    }

    .d05-share-top .d01-brand {
        max-width: 100%;
        min-width: 0;
        flex-shrink: 1;
        white-space: normal;
        overflow-wrap: anywhere;
        letter-spacing: 0;
    }

    .d05-public-card {
        width: 100%;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        padding: 0.85rem;
        border-radius: 18px;
    }

    .d05-public-stats {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .d05-public-stats div {
        min-height: 76px;
    }

    .d05-public-score strong {
        font-size: clamp(2.75rem, 15vw, 3.5rem);
    }

    .d05-public-badge,
    .d05-certificate-ribbon {
        max-width: 100%;
        white-space: normal;
        text-align: center;
        justify-content: center;
        overflow-wrap: anywhere;
    }

    .d05-public-cta {
        flex-direction: column;
    }

    .d05-public-cta>* {
        width: 100%;
        max-width: 100%;
        flex: 1 1 auto;
        white-space: normal;
        text-align: center;
        overflow-wrap: anywhere;
    }
}

@media (min-width: 768px) {
    .d05-exam-main {
        padding-top: 1rem;
    }

    .d05-exam-hero,
    .d05-result {
        padding: 1.5rem;
    }

    .d05-rule-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .d05-question-panel {
        padding: 1.4rem;
    }

    .d05-bottom-bar {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .d05-bottom-actions {
        grid-template-columns: 48px 48px 180px;
    }

    .d05-result-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .d05-public-card {
        padding: 2rem;
    }
}

@media (max-width: 430px) {
    .d05-share-page {
        width: 100%;
        padding: 0.75rem 0.6rem 1.5rem;
    }

    .d05-share-top {
        justify-content: flex-start;
        padding: 0.35rem 0 0.75rem;
    }

    .d05-share-top .d01-brand {
        max-width: 100%;
        font-size: 0.95rem;
    }

    .d05-public-card {
        padding: 0.85rem;
        border-radius: 18px;
    }

    .d05-public-stats {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .d05-public-stats div {
        min-height: 76px;
    }

    .d05-public-score strong {
        font-size: clamp(2.75rem, 15vw, 3.5rem);
    }

    .d05-public-badge {
        max-width: 100%;
        white-space: normal;
        text-align: center;
        justify-content: center;
    }

    .d05-exam-main {
        padding-left: 0.65rem;
        padding-right: 0.65rem;
        padding-top: 0.45rem;
    }

    .d05-exam-hero {
        padding: 0.85rem;
        border-radius: 16px;
    }

    .d05-rule-grid {
        gap: 0.5rem;
    }

    .d05-rule-card {
        min-height: 112px;
        padding: 0.7rem;
    }

    .d05-status-bar {
        top: 0;
        grid-template-columns: 1fr;
        border-radius: 16px 16px 0 0;
    }

    .d05-report-btn {
        width: 40px;
        padding: 0;
        font-size: 0;
    }

    .d05-report-btn i {
        font-size: 0.9rem;
    }

    .d05-navigator-top {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.15rem;
    }

    .d05-navigator-grid {
        grid-template-columns: repeat(40, 32px);
    }

    .d05-nav-pill {
        width: 32px;
        height: 32px;
        border-radius: 10px;
    }

    .d05-result-actions,
    .d05-share-buttons,
    .d05-modal-actions,
    .d05-public-cta {
        flex-direction: column;
    }

    .d05-result-actions>*,
    .d05-modal-actions>*,
    .d05-public-cta>* {
        width: 100%;
        flex-basis: auto;
    }

    .d05-modal {
        align-items: flex-start;
        justify-content: center;
        padding: calc(0.6rem + env(safe-area-inset-top)) 0.6rem calc(0.6rem + env(safe-area-inset-bottom));
        overflow-y: auto;
    }

    .d05-modal .modal-content-panel,
    .d05-modal-panel--wide {
        width: min(100%, 520px) !important;
    }

    .d05-modal-panel {
        max-height: calc(100dvh - 1.2rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
        overflow-y: auto;
        padding: 1rem;
        border-radius: 16px;
    }

    .d05-modal-panel h3 {
        font-size: 1.08rem;
    }

    .d05-modal-panel p {
        font-size: 0.88rem;
        line-height: 1.45;
    }

    .d05-modal-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 0.55rem;
    }

    .d05-modal-head {
        gap: 0.65rem;
    }

    .d05-report-form .auth-form-group {
        margin-bottom: 0.75rem;
    }

    .d05-report-form textarea {
        min-height: 86px;
        max-height: 24dvh;
        width: 100%;
        max-width: 100%;
        display: block;
    }

    .d05-report-combo .d03-combo-menu {
        max-height: 190px;
        overflow-y: auto;
    }

    .d05-unanswered-list {
        max-height: 32dvh;
        margin: 0.75rem 0;
    }
}

/* ================================================================
   DESIGN-06 – User Statistics Page Redesign
   ================================================================ */

.d06-container {
    max-width: var(--d02-main-max);
    margin: 0 auto;
    width: 100%;
}

/* Tabs */
.d06-tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    scrollbar-width: none;
}

.d06-tabs::-webkit-scrollbar {
    display: none;
}

.d06-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--d01-radius-md);
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    color: var(--d01-text-dim);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--d01-transition);
}

.d06-tab-btn:hover {
    color: var(--d01-text);
    border-color: color-mix(in srgb, var(--d01-primary) 35%, transparent);
}

.d06-tab-btn--active {
    background: var(--d01-badge-bg);
    border-color: var(--d01-primary);
    color: var(--d01-primary);
}

/* Rings & Hero Section */
.d06-hero {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.d06-hero-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.d06-hero-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.d06-hero-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
}

.d06-hero-subtitle {
    font-size: 0.88rem;
    color: var(--d01-text-muted);
    margin: 0.25rem 0 0;
}

/* Rings Grid */
.d06-rings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 0.5rem;
}

@media (max-width: 580px) {
    .d06-rings-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.d06-ring-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--d01-radius-lg);
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.d06-ring-svg-wrap {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 0.75rem;
}

.d06-ring-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.d06-ring-circle {
    fill: none;
    stroke-width: 6;
}

.d06-ring-bg {
    stroke: rgba(255, 255, 255, 0.05);
}

.d06-ring-fill {
    stroke-linecap: round;
    transition: stroke-dashoffset 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.d06-ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--d01-text);
}

.d06-ring-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--d01-text-muted);
}

.d06-ring-desc {
    font-size: 0.68rem;
    color: var(--d01-text-dim);
    margin-top: 0.15rem;
}

/* Grid layout for key stats cards */
.d06-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .d06-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.d06-metric-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: 14px;
    padding: 1rem 0.75rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.d06-metric-value {
    font-size: 1.4rem;
    font-weight: 850;
    color: var(--d01-text);
    line-height: 1.2;
}

.d06-metric-label {
    font-size: 0.72rem;
    color: var(--d01-text-muted);
    font-weight: 600;
    margin-top: 0.25rem;
}

/* Category cards / progress bars */
.d06-cat-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.d06-cat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.d06-cat-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0;
    line-height: 1.3;
}

.d06-cat-count {
    font-size: 0.75rem;
    color: var(--d01-text-muted);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    white-space: nowrap;
}

.d06-progress-pills {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
    margin-top: 0.25rem;
}

.d06-progress-pill {
    padding: 0.35rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.d06-pill-val {
    font-size: 0.85rem;
    font-weight: 700;
}

.d06-pill-label {
    font-size: 0.62rem;
    color: var(--d01-text-dim);
    display: block;
    margin-top: 0.1rem;
}

/* Weak subcategories */
.d06-weak-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.d06-weak-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: var(--d01-transition);
}

.d06-weak-card:hover {
    border-color: rgba(239, 68, 68, 0.25);
}

.d06-weak-body {
    flex: 1;
    min-width: 0;
}

.d06-weak-cat {
    font-size: 0.72rem;
    color: var(--d01-text-dim);
    text-transform: uppercase;
    font-weight: 600;
}

.d06-weak-sub {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0.15rem 0 0.4rem;
    overflow-wrap: anywhere;
}

.d06-weak-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.d06-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
}

.d06-badge--high {
    background: rgba(16, 185, 129, 0.08);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.d06-badge--low {
    background: rgba(245, 158, 11, 0.08);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.d06-weak-stats {
    text-align: right;
    flex-shrink: 0;
}

.d06-weak-pct {
    font-size: 1.25rem;
    font-weight: 850;
    color: var(--danger-color);
    line-height: 1.1;
}

.d06-weak-count {
    font-size: 0.68rem;
    color: var(--d01-text-muted);
    margin-top: 0.15rem;
}

/* Frequently wrong questions */
.d06-q-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.d06-q-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.d06-q-id {
    font-weight: 800;
    color: var(--d01-primary);
    font-size: 0.85rem;
}

.d06-q-text {
    font-size: 0.88rem;
    color: var(--d01-text);
    line-height: 1.5;
    margin: 0;
}

/* History lists */
.d06-hist-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.d06-hist-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.d06-hist-info {
    flex: 1;
    min-width: 0;
}

.d06-hist-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
}

.d06-hist-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    font-size: 0.75rem;
    color: var(--d01-text-dim);
    margin-top: 0.25rem;
}

.d06-hist-score {
    text-align: right;
    flex-shrink: 0;
}

.d06-hist-score-val {
    font-size: 1.25rem;
    font-weight: 850;
    line-height: 1.1;
}

.d06-hist-badge {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.d06-hist-badge--pass {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.d06-hist-badge--fail {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.d06-hist-badge--timeout {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Empty states */
.d06-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    color: var(--d01-text-muted);
}

.d06-empty-icon {
    font-size: 2.2rem;
    color: var(--d01-text-dim);
    margin-bottom: 1rem;
}

.d06-empty-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0 0 0.5rem;
}

.d06-empty-desc {
    font-size: 0.85rem;
    margin: 0;
}

/* ================================================================
   DESIGN-07 – User Profile Page Redesign
   ================================================================ */

.d07-container,
.d07-container *,
.d07-container *::before,
.d07-container *::after {
    box-sizing: border-box;
}

.d07-container {
    max-width: var(--d02-main-max);
    margin: 0 auto;
    width: 100%;
}

.d07-profile-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 768px) {
    .d07-profile-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.d07-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 580px) {
    .d07-card {
        padding: 1rem;
    }
}

.d07-card-title {
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero card */
.d07-hero-card {
    background: var(--d02-card-bg);
    border: 1px solid var(--d02-card-border);
    border-radius: var(--d02-card-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

@media (max-width: 580px) {
    .d07-hero-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1rem;
        gap: 1rem;
    }
}

.d07-hero-avatar-wrap {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    box-shadow: 0 8px 24px var(--d01-glow);
    border: 3px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.d07-hero-avatar-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.d07-hero-info {
    flex: 1;
    min-width: 0;
}

.d07-hero-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--d01-text);
    margin: 0;
    line-height: 1.25;
}

.d07-hero-login {
    font-size: 0.82rem;
    color: var(--d01-text-dim);
    margin: 0.15rem 0 0.5rem;
}

.d07-hero-meta {
    font-size: 0.72rem;
    color: var(--d01-text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

/* Password field with toggle button */
.d07-password-group {
    position: relative;
}

.d07-password-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--d01-text-dim);
    padding: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--d01-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.d07-password-toggle:hover {
    color: var(--d01-text);
}

.d07-password-input {
    padding-right: 2.75rem !important;
}

/* Mini stats in profile */
.d07-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-bottom: 0.5rem;
}

@media (max-width: 580px) {
    .d07-stats-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

.d07-stat-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--d01-radius-md);
    padding: 0.85rem;
    text-align: center;
}

.d07-stat-val {
    font-size: 1.2rem;
    font-weight: 850;
    color: var(--d01-text);
    line-height: 1.1;
}

.d07-stat-lbl {
    font-size: 0.68rem;
    color: var(--d01-text-dim);
    font-weight: 600;
    margin-top: 0.15rem;
    display: block;
}

/* Dropdowns solid bg */
.profile-custom-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 50;
    margin-top: 0.25rem;
    display: flex;
    flex-direction: column;
}

.d07-select-menu {
    background: #0f172a !important;
    border: 1.5px solid var(--border-color) !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6) !important;
}

html:not(.dark) .d07-select-menu {
    background: #ffffff !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12) !important;
}

.d07-select-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--text-color);
    transition: background 0.15s;
}

.d07-select-option:hover {
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
}

.d07-select-option.selected {
    background: color-mix(in srgb, var(--primary-color) 20%, transparent);
    font-weight: 700;
}

/* Horizontal navigation scroll chips for profile footer */
.d07-nav-chips {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-top: 0.5rem;
    scrollbar-width: none;
    max-width: 100%;
}

@media (min-width: 769px) {
    .d07-nav-chips {
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 0;
    }
}

.d07-nav-chips::-webkit-scrollbar {
    display: none;
}

.d07-nav-chip {
    padding: 0.5rem 0.85rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--d01-text-muted);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--d01-transition);
}

.d07-nav-chip:hover {
    background: var(--d01-badge-bg);
    border-color: var(--d01-primary);
    color: var(--d01-primary);
}

/* Footer Links Layout (Right Side) */
.d02-footer-links,
.d01-footer-links {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.d02-footer-link,
.d01-footer-link {
    font-size: 0.78rem;
    color: var(--d01-text-dim);
    text-decoration: none;
    transition: color 0.15s ease;
}

.d02-footer-link:hover,
.d01-footer-link:hover {
    color: var(--d01-primary);
    text-decoration: underline;
}

.d02-footer-link-divider,
.d01-footer-link-divider {
    color: var(--d01-text-dim);
    opacity: 0.4;
    font-size: 0.78rem;
}

/* Premium Sub-Footer Layout (Centered Below) */
.d02-sub-footer,
.d01-sub-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--d01-text-dim);
    opacity: 0.6;
    margin-top: 0.8rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.04);
    padding-top: 0.8rem;
    margin-left: auto;
    margin-right: auto;
}

.d02-sub-footer {
    max-width: var(--d02-main-max);
}

.d01-sub-footer {
    max-width: 1140px;
}

html:not(.dark) .d02-sub-footer,
html:not(.dark) .d01-sub-footer {
    border-top-color: rgba(15, 23, 42, 0.05);
}

.d02-sub-footer-author,
.d01-sub-footer-author {
    color: var(--d01-primary);
    font-weight: 500;
}

.d02-sub-footer-divider,
.d01-sub-footer-divider {
    opacity: 0.4;
}

@media (max-width: 767px) {

    .d02-sub-footer,
    .d01-sub-footer {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }

    .d02-sub-footer-divider,
    .d01-sub-footer-divider {
        display: none;
    }
}

/* About Page Styling */
.d07-about-container {
    max-width: 780px;
    margin: 0 auto;
}

.d07-about-hero {
    text-align: center;
    margin-bottom: 2rem;
    padding-top: 1rem;
}

.d07-about-hero-icon {
    font-size: 2.2rem;
    color: var(--d01-primary);
    background: color-mix(in srgb, var(--d01-primary) 12%, transparent);
    width: 68px;
    height: 68px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.d07-about-hero-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--d01-text);
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.3px;
}

.d07-about-hero-subtitle {
    font-size: 0.95rem;
    color: var(--d01-text-dim);
    margin: 0;
}

.d07-about-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.25rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

html:not(.dark) .d07-about-card {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(15, 23, 42, 0.06);
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.04);
}

.d07-about-section {
    margin-bottom: 2rem;
}

.d07-about-sec-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0 0 0.75rem 0;
}

.d07-about-sec-title i {
    color: var(--d01-primary);
    font-size: 1rem;
}

.d07-about-sec-text {
    font-size: 0.88rem;
    color: var(--d01-text-dim);
    line-height: 1.65;
    margin: 0;
}

.d07-about-sec-text strong {
    color: var(--d01-text);
    font-weight: 600;
}

.d07-about-contact-box {
    background: color-mix(in srgb, var(--d01-primary) 5%, transparent);
    border: 1px dashed color-mix(in srgb, var(--d01-primary) 15%, transparent);
    border-radius: 14px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.d07-contact-box-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0 0 0.4rem 0;
}

.d07-contact-box-sub {
    font-size: 0.8rem;
    color: var(--d01-text-dim);
    margin: 0 0 1.2rem 0;
    line-height: 1.5;
}

.d07-contact-channels {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.d07-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    background: color-mix(in srgb, var(--d01-primary) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--d01-primary) 15%, transparent);
    border-radius: 999px;
    color: var(--d01-primary);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
}

.d07-contact-btn:hover {
    background: var(--d01-primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--d01-primary) 25%, transparent);
}

.d07-about-footer {
    display: flex;
    justify-content: flex-start;
}

.d07-about-footer .d07-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.15rem;
    border: 1px solid var(--d01-border);
    border-radius: var(--d01-radius-md);
    background: transparent;
    color: var(--d01-text-dim);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
}

.d07-about-footer .d07-btn-outline:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--d01-text);
    border-color: var(--d01-text-dim);
}

html:not(.dark) .d07-about-footer .d07-btn-outline:hover {
    background: rgba(15, 23, 42, 0.03);
}

@media (max-width: 640px) {
    .d07-about-card {
        padding: 1.5rem;
    }

    .d07-contact-channels {
        flex-direction: column;
        align-items: stretch;
    }

    .d07-contact-btn {
        justify-content: center;
    }

    .d07-about-footer {
        justify-content: center;
    }
}

/* ================================================================
   DESIGN-08 — Leaderboard page
   Mobile-first; depends on DESIGN-01/-02 tokens & shell
   ================================================================ */

.d08-main {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* --- Title bar -------------------------------------------------- */
.d08-title-bar {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.d08-title-text {
    min-width: 0;
    flex: 1;
}

.d08-title-eyebrow {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--d01-text-dim);
    margin: 0 0 0.25rem;
}

.d08-title-main {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--d01-text);
    margin: 0;
    line-height: 1.15;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    overflow-wrap: anywhere;
}

.d08-title-trophy {
    color: #f59e0b;
    font-size: 1.3rem;
}

@media (min-width: 640px) {
    .d08-title-main {
        font-size: 1.85rem;
    }
}

/* --- Share button --------------------------------------------- */
.d08-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-primary) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--d01-primary) 28%, transparent);
    color: var(--d01-primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    min-height: 40px;
    flex-shrink: 0;
    font-family: inherit;
}

.d08-share-btn:hover:not(:disabled) {
    background: var(--d01-primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px color-mix(in srgb, var(--d01-primary) 30%, transparent);
}

.d08-share-btn:disabled {
    opacity: 0.65;
    cursor: progress;
}

.d08-share-btn i {
    font-size: 0.85rem;
}

/* --- Hero card -------------------------------------------------- */
.d08-hero-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    padding: 1.1rem;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--d01-primary) 18%, var(--d01-surface)),
        color-mix(in srgb, var(--d01-accent) 10%, var(--d01-surface)));
}

.d08-hero-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle,
        color-mix(in srgb, var(--d01-primary) 28%, transparent) 0%,
        transparent 70%);
    pointer-events: none;
}

.d08-hero-card--cta {
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--d01-accent) 14%, var(--d01-surface)),
        color-mix(in srgb, var(--d01-primary) 8%, var(--d01-surface)));
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

@media (min-width: 640px) {
    .d08-hero-card {
        padding: 1.4rem 1.5rem;
    }
}

.d08-hero-top {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.d08-hero-text {
    flex: 1;
    min-width: 0;
}

.d08-hero-eyebrow {
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--d01-primary);
    margin: 0 0 0.2rem;
}

.d08-hero-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--d01-text);
    margin: 0 0 0.25rem;
    overflow-wrap: anywhere;
    line-height: 1.2;
}

@media (min-width: 640px) {
    .d08-hero-name {
        font-size: 1.3rem;
    }
}

.d08-hero-sub {
    font-size: 0.78rem;
    color: var(--d01-text-muted);
    margin: 0;
    line-height: 1.35;
}

.d08-hero-rank {
    font-size: 2rem;
    font-weight: 900;
    color: var(--d01-primary);
    line-height: 1;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px color-mix(in srgb, var(--d01-primary) 35%, transparent);
    flex-shrink: 0;
}

.d08-hero-rank-hash {
    font-size: 1.1rem;
    opacity: 0.55;
    margin-right: 0.05em;
}

@media (min-width: 640px) {
    .d08-hero-rank {
        font-size: 2.6rem;
    }
    .d08-hero-rank-hash {
        font-size: 1.4rem;
    }
}

/* Hero chips row */
.d08-hero-chips {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.d08-hero-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.35rem;
    border-radius: var(--d02-chip-radius);
    background: color-mix(in srgb, var(--d01-bg) 55%, transparent);
    border: 1px solid var(--d01-border);
    gap: 0.15rem;
    text-align: center;
    min-width: 0;
}

.d08-chip-val {
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--d01-text);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.d08-chip-label {
    font-size: 0.62rem;
    color: var(--d01-text-muted);
    line-height: 1.25;
    letter-spacing: 0.01em;
}

.d08-chip--primary .d08-chip-val { color: var(--d01-primary); }
.d08-chip--gold    .d08-chip-val { color: #f59e0b; }
.d08-chip--cyan    .d08-chip-val { color: #06b6d4; }
.d08-chip--green   .d08-chip-val { color: #10b981; }

@media (max-width: 380px) {
    .d08-hero-chips {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Hero CTA variant (user not yet in leaderboard) */
.d08-hero-cta-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--d01-primary);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px color-mix(in srgb, var(--d01-primary) 35%, transparent);
    position: relative;
    z-index: 1;
}

.d08-hero-cta-text {
    position: relative;
    z-index: 1;
}

.d08-hero-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    position: relative;
    z-index: 1;
}

/* --- Buttons (page-local) -------------------------------------- */
.d08-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
    min-height: 44px;
    box-sizing: border-box;
    font-family: inherit;
}

.d08-btn-primary {
    background: var(--d01-primary);
    color: #fff;
    border-color: var(--d01-primary);
}

.d08-btn-primary:hover {
    background: var(--d01-primary-d);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px color-mix(in srgb, var(--d01-primary) 35%, transparent);
}

.d08-btn-ghost {
    background: color-mix(in srgb, var(--d01-text) 6%, transparent);
    color: var(--d01-text);
    border-color: var(--d01-border);
}

.d08-btn-ghost:hover {
    background: color-mix(in srgb, var(--d01-primary) 10%, transparent);
    border-color: color-mix(in srgb, var(--d01-primary) 30%, transparent);
    color: var(--d01-primary);
}

/* --- Avatars (leaderboard-local) ------------------------------- */
.d08-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--d01-primary), var(--d01-accent));
    color: #fff;
    font-weight: 800;
    line-height: 1;
}

.d08-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.d08-av-sm  { width: 32px; height: 32px; font-size: 0.82rem; }
.d08-av-md  { width: 40px; height: 40px; font-size: 1rem; }
.d08-av-lg  { width: 60px; height: 60px; font-size: 1.5rem; }

.d08-av-podium {
    width: 72px;
    height: 72px;
    font-size: 1.7rem;
    box-shadow: 0 6px 18px color-mix(in srgb, var(--d01-primary) 22%, transparent);
}

.d08-av-me {
    box-shadow: 0 0 0 2px var(--d01-primary),
                0 6px 18px color-mix(in srgb, var(--d01-primary) 22%, transparent);
}

/* --- Medals & rank numbers ------------------------------------- */
.d08-medal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: #fff;
    font-size: 0.85rem;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
}

.d08-medal-lg {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
}

.d08-medal-gold {
    background: linear-gradient(135deg, #fbbf24, #f59e0b 60%, #b45309);
}

.d08-medal-silver {
    background: linear-gradient(135deg, #e5e7eb, #9ca3af 55%, #4b5563);
    color: #1f2937;
    text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}

.d08-medal-bronze {
    background: linear-gradient(135deg, #fcd9b6, #b45309 55%, #7c2d12);
}

.d08-rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 0.4rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-text) 8%, transparent);
    color: var(--d01-text-muted);
    font-weight: 700;
    font-size: 0.82rem;
    flex-shrink: 0;
}

/* --- Podium ----------------------------------------------------- */
.d08-podium-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.d08-podium {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 720px) {
    .d08-podium {
        display: grid;
        grid-template-columns: 1fr 1.1fr 1fr;
        align-items: end;
        gap: 1rem;
    }
    /* Desktop layout: 2nd | 1st | 3rd */
    .d08-podium-card--first  { order: 2; }
    .d08-podium-card--second { order: 1; }
    .d08-podium-card--third  { order: 3; }
}

.d08-podium-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    padding: 1.1rem 1rem 1.25rem;
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    min-width: 0;
}

.d08-podium-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--d08-podium-accent, var(--d01-primary)) 14%, transparent) 0%,
        transparent 55%);
    pointer-events: none;
}

.d08-podium-card > * { position: relative; z-index: 1; }

.d08-podium-card--first {
    --d08-podium-accent: #f59e0b;
    border-color: color-mix(in srgb, #f59e0b 38%, var(--d02-card-border));
    box-shadow: 0 10px 30px color-mix(in srgb, #f59e0b 18%, transparent);
}

.d08-podium-card--second {
    --d08-podium-accent: #9ca3af;
    border-color: color-mix(in srgb, #9ca3af 32%, var(--d02-card-border));
}

.d08-podium-card--third {
    --d08-podium-accent: #b45309;
    border-color: color-mix(in srgb, #b45309 32%, var(--d02-card-border));
}

@media (min-width: 720px) {
    .d08-podium-card--first {
        padding-top: 1.5rem;
        padding-bottom: 1.75rem;
        transform: translateY(-12px);
    }
}

.d08-podium-card--me {
    outline: 2px solid var(--d01-primary);
    outline-offset: -2px;
}

.d08-podium-medal-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.d08-podium-pos {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--d08-podium-accent, var(--d01-primary));
    letter-spacing: -0.02em;
}

.d08-podium-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--d01-text);
    overflow-wrap: anywhere;
    line-height: 1.25;
    max-width: 100%;
}

.d08-podium-login {
    font-size: 0.75rem;
    color: var(--d01-text-dim);
    overflow-wrap: anywhere;
    margin-top: -0.25rem;
}

.d08-podium-score {
    font-size: 1.55rem;
    font-weight: 900;
    color: var(--d08-podium-accent, var(--d01-primary));
    line-height: 1;
    margin-top: 0.15rem;
    letter-spacing: -0.01em;
}

.d08-podium-card--first .d08-podium-score {
    font-size: 1.85rem;
}

.d08-podium-score-unit {
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--d01-text-dim);
    margin-top: 0.15rem;
}

.d08-podium-meta {
    list-style: none;
    margin: 0.5rem 0 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.75rem;
    color: var(--d01-text-muted);
}

.d08-podium-meta li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    overflow-wrap: anywhere;
}

.d08-podium-meta i {
    color: var(--d08-podium-accent, var(--d01-primary));
    font-size: 0.7rem;
}

.d08-podium-meta strong {
    color: var(--d01-text);
    font-weight: 700;
}

/* --- "Me" tag --------------------------------------------------- */
.d08-me-tag {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.08rem 0.45rem;
    border-radius: 999px;
    background: var(--d01-primary);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: middle;
}

/* --- Tabs (segmented, scrollable) ------------------------------ */
.d08-tabs-label {
    margin-bottom: 0;
}

.d08-tabs {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.4rem 0 0.55rem;
    margin-bottom: 0.25rem;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.d08-tabs::-webkit-scrollbar { height: 4px; }
.d08-tabs::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--d01-text) 12%, transparent);
    border-radius: 2px;
}

.d08-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    color: var(--d01-text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.15s ease;
    min-height: 40px;
    flex-shrink: 0;
    font-family: inherit;
}

.d08-tab:hover {
    border-color: color-mix(in srgb, var(--d01-primary) 35%, transparent);
    color: var(--d01-primary);
}

.d08-tab--active {
    background: var(--d01-primary);
    border-color: var(--d01-primary);
    color: #fff;
    box-shadow: 0 6px 16px color-mix(in srgb, var(--d01-primary) 30%, transparent);
}

.d08-tab--active:hover {
    color: #fff;
}

.d08-tab i {
    font-size: 0.78rem;
}

/* --- Panel container ------------------------------------------- */
.d08-panel {
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    padding: 1rem;
}

@media (min-width: 640px) {
    .d08-panel {
        padding: 1.25rem 1.4rem;
    }
}

.d08-panel-desc {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--d01-text-muted);
    margin: 0 0 1rem;
    padding: 0.65rem 0.85rem;
    background: color-mix(in srgb, var(--d01-primary) 6%, transparent);
    border: 1px dashed color-mix(in srgb, var(--d01-primary) 22%, transparent);
    border-radius: var(--d02-chip-radius);
}

.d08-panel-desc i {
    color: var(--d01-primary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.d08-panel-desc strong {
    color: var(--d01-text);
    font-weight: 700;
}

/* --- List ------------------------------------------------------- */
.d08-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.d08-list-item {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    grid-template-areas:
        "rank avatar user"
        "metrics metrics metrics";
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 0.85rem;
    border-radius: 14px;
    border: 1px solid var(--d02-card-border);
    background: color-mix(in srgb, var(--d01-bg) 30%, transparent);
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
    min-height: 56px;
    min-width: 0;
}

.d08-list-item:hover {
    border-color: color-mix(in srgb, var(--d01-primary) 28%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 5%, var(--d02-card-bg));
}

.d08-list-item--me {
    border-color: color-mix(in srgb, var(--d01-primary) 50%, transparent);
    background: color-mix(in srgb, var(--d01-primary) 10%, var(--d02-card-bg));
    box-shadow: 0 4px 14px color-mix(in srgb, var(--d01-primary) 14%, transparent);
}

.d08-list-rank {
    grid-area: rank;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
}

.d08-list-item > .d08-avatar {
    grid-area: avatar;
}

.d08-list-user {
    grid-area: user;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.d08-list-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--d01-text);
    overflow-wrap: anywhere;
    line-height: 1.25;
}

.d08-list-login {
    font-size: 0.72rem;
    color: var(--d01-text-dim);
    overflow-wrap: anywhere;
}

.d08-list-metrics {
    grid-area: metrics;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.65rem;
    align-items: center;
    padding-top: 0.45rem;
    border-top: 1px solid color-mix(in srgb, var(--d01-text) 6%, transparent);
}

.d08-list-metric {
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
    font-size: 0.78rem;
    color: var(--d01-text-muted);
    line-height: 1.3;
    white-space: nowrap;
}

.d08-list-metric i {
    color: var(--d01-text-dim);
    font-size: 0.78rem;
    margin-right: 0.1rem;
}

.d08-list-metric strong {
    color: var(--d01-text);
    font-weight: 700;
    font-size: 0.88rem;
}

.d08-list-metric em {
    font-style: normal;
    color: var(--d01-text-dim);
    font-size: 0.72rem;
}

.d08-metric--primary {
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--d01-primary) 14%, transparent);
    color: var(--d01-primary) !important;
}

.d08-metric--primary strong {
    color: var(--d01-primary) !important;
    font-size: 0.95rem;
}

.d08-metric--primary em {
    color: color-mix(in srgb, var(--d01-primary) 75%, var(--d01-text-dim));
}

/* Desktop / wider: keep metrics inline on the right */
@media (min-width: 720px) {
    .d08-list-item {
        grid-template-columns: auto auto minmax(0, 1fr) auto;
        grid-template-areas: "rank avatar user metrics";
        padding: 0.85rem 1rem;
        min-height: 64px;
    }

    .d08-list-metrics {
        padding-top: 0;
        border-top: none;
        justify-content: flex-end;
        flex-wrap: wrap;
        max-width: 60%;
    }
}

/* --- Empty state ----------------------------------------------- */
.d08-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--d01-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.d08-empty > i {
    font-size: 2.4rem;
    color: var(--d01-primary);
    opacity: 0.7;
}

.d08-empty h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--d01-text);
    margin: 0;
}

.d08-empty p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--d01-text-muted);
    max-width: 38ch;
}

.d08-empty-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

/* --- Formula (collapsible) ------------------------------------- */
.d08-formula {
    border-radius: var(--d02-card-radius);
    border: 1px solid var(--d02-card-border);
    background: var(--d02-card-bg);
    overflow: hidden;
}

.d08-formula-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.9rem 1.1rem;
    border: 0;
    background: transparent;
    color: var(--d01-text);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    min-height: 48px;
}

.d08-formula-toggle:hover {
    background: color-mix(in srgb, var(--d01-primary) 6%, transparent);
}

.d08-formula-toggle-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    overflow-wrap: anywhere;
}

.d08-formula-toggle-text i {
    color: var(--d01-primary);
}

.d08-formula-chevron {
    color: var(--d01-text-muted);
    font-size: 0.75rem;
    transition: transform 0.18s ease;
}

.d08-formula-body {
    padding: 0 1.1rem 1.2rem;
    border-top: 1px solid var(--d02-card-border);
    font-size: 0.85rem;
    color: var(--d01-text-muted);
    line-height: 1.55;
}

.d08-formula-body > p:first-child {
    margin: 0.85rem 0 0.7rem;
}

.d08-formula-list {
    list-style: none;
    margin: 0 0 0.85rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.d08-formula-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
}

.d08-formula-list strong {
    color: var(--d01-text);
    font-weight: 700;
}

.d08-formula-weight {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    background: color-mix(in srgb, var(--d01-primary) 14%, transparent);
    color: var(--d01-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.d08-formula-note {
    margin: 0;
    padding: 0.7rem 0.85rem;
    border-radius: var(--d02-chip-radius);
    background: color-mix(in srgb, var(--d01-primary) 6%, transparent);
    border: 1px dashed color-mix(in srgb, var(--d01-primary) 22%, transparent);
    font-size: 0.78rem;
    color: var(--d01-text-muted);
    line-height: 1.5;
}

.d08-formula-note i {
    color: var(--d01-primary);
    margin-right: 0.35rem;
}

.d08-formula-note strong {
    color: var(--d01-text);
    font-weight: 700;
}

/* --- Mobile fine-tuning ≤ 480px -------------------------------- */
@media (max-width: 480px) {
    .d08-main {
        gap: 1rem;
    }

    .d08-hero-card,
    .d08-hero-card--cta {
        padding: 1rem;
    }

    .d08-hero-top {
        gap: 0.7rem;
    }

    .d08-av-lg {
        width: 54px;
        height: 54px;
        font-size: 1.35rem;
    }

    .d08-podium-card {
        padding: 1rem 0.85rem 1.1rem;
    }

    .d08-av-podium {
        width: 64px;
        height: 64px;
        font-size: 1.5rem;
    }

    .d08-panel-desc {
        font-size: 0.76rem;
        padding: 0.55rem 0.75rem;
    }

    .d08-list-name {
        font-size: 0.88rem;
    }

    .d08-list-metric strong {
        font-size: 0.84rem;
    }
}

/* --- 360px safety ---------------------------------------------- */
@media (max-width: 360px) {
    .d08-title-main {
        font-size: 1.35rem;
    }

    .d08-hero-rank {
        font-size: 1.7rem;
    }

    .d08-podium-name {
        font-size: 0.92rem;
    }

    .d08-list-item {
        padding: 0.65rem 0.7rem;
        gap: 0.55rem;
    }

    .d08-av-md {
        width: 36px;
        height: 36px;
        font-size: 0.92rem;
    }
}

/* --- Light theme tweaks ---------------------------------------- */
html:not(.dark) .d08-list-item {
    background: rgba(255, 255, 255, 0.55);
}

html:not(.dark) .d08-list-item--me {
    background: color-mix(in srgb, var(--d01-primary) 12%, #fff);
}

html:not(.dark) .d08-hero-chip {
    background: rgba(255, 255, 255, 0.7);
}

html:not(.dark) .d08-medal-silver {
    color: #111827;
}