:root {
    --alumina-base: #e2e4e9;
    --alumina-highlight: #ffffff;
    --alumina-shadow: #c1c5cd;
    --alumina-dark: #2d2e32;
    --accent-precision: #0052FF;
    --accent-success: #00C853;
    --accent-error: #FF3D00;
    --accent-warning: #FFB300;
    --text-main: #1a1b1e;
    --text-mono: #5e626e;
    --surface-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --alumina-base: #1e1f23;
    --alumina-highlight: #2a2b30;
    --alumina-shadow: #141518;
    --alumina-dark: #f0f1f3;
    --accent-precision: #4d8aff;
    --accent-success: #2ed573;
    --accent-error: #ff6b6b;
    --accent-warning: #ffc048;
    --text-main: #e8e9ec;
    --text-mono: #9a9da6;
}

[data-theme="dark"] body::before {
    opacity: 0.02;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--alumina-base);
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}



body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--surface-grain);
    opacity: 0.03;
    pointer-events: none;
    z-index: 10;
}

/* Navigation */
.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: var(--alumina-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px 12px;
    margin: -8px -12px;
    border-radius: 6px;
}

.nav-brand:hover {
    background: rgba(0, 82, 255, 0.08);
    transform: translateY(-1px);
}

.nav-brand:hover .brand-icon {
    transform: rotate(45deg);
}

.nav-brand:hover .brand-text {
    color: var(--accent-precision);
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    transition: transform 0.3s ease, color 0.2s ease;
}

.nav-brand:hover .brand-icon {
    color: var(--accent-precision);
}

.brand-icon svg {
    width: 28px;
    height: 28px;
}

.brand-text {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-main);
    transition: color 0.2s ease;
}

.nav-brand:hover .brand-text {
    color: var(--accent-precision);
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: none;
    border: none;
    color: var(--text-mono);
    padding: 12px 20px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-main);
    background: rgba(0, 0, 0, 0.03);
}

.nav-link.active {
    background: var(--alumina-dark);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.exam-countdown {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        inset 2px 2px 4px var(--alumina-shadow),
        inset -2px -2px 4px var(--alumina-highlight);
}

.countdown-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-mono);
    letter-spacing: 0.1em;
}

.countdown-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-precision);
}

.countdown-unit {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-mono);
    letter-spacing: 0.1em;
}

/* Views */
.view {
    display: none;
    padding: 40px;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Dashboard */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 40px;
}

.dashboard-title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--alumina-dark);
    margin-bottom: 8px;
}

.dashboard-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.stat-card {
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        6px 6px 12px var(--alumina-shadow),
        -6px -6px 12px var(--alumina-highlight);
    text-align: center;
}

.stat-card.accent {
    border-left: 4px solid var(--accent-precision);
}

.stat-value {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 8px;
}

.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
}

/* Motivation Banner */
.motivation-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    background: linear-gradient(135deg, var(--accent-precision) 0%, #6366f1 100%);
    border-radius: 8px;
    margin-bottom: 32px;
    box-shadow: 0 8px 24px rgba(0, 82, 255, 0.2);
    animation: bannerGlow 3s ease-in-out infinite alternate;
}

@keyframes bannerGlow {
    from {
        box-shadow: 0 8px 24px rgba(0, 82, 255, 0.2);
    }

    to {
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
    }
}

.motivation-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.motivation-quote {
    font-size: 15px;
    font-weight: 500;
    color: white;
    line-height: 1.5;
    margin: 0;
    font-style: italic;
}

[data-theme="dark"] .motivation-banner {
    background: linear-gradient(135deg, #4d8aff 0%, #8b5cf6 100%);
}

/* Topics Grid */
.section-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 2px solid var(--accent-precision);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.topic-card {
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.topic-card:hover {
    transform: translateY(-2px);
    box-shadow:
        8px 8px 16px var(--alumina-shadow),
        -8px -8px 16px var(--alumina-highlight);
}

.topic-card:active {
    box-shadow:
        inset 2px 2px 4px var(--alumina-shadow),
        inset -2px -2px 4px var(--alumina-highlight);
}

.topic-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--alumina-dark);
    margin-bottom: 12px;
}

.topic-progress {
    height: 4px;
    background: #d4d7dd;
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.topic-progress-fill {
    height: 100%;
    background: var(--accent-precision);
    border-radius: 100px;
    transition: width 0.5s ease;
}

.topic-stats {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-mono);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Buttons */
.btn-primary {
    background: var(--alumina-dark);
    color: white;
    border: none;
    padding: 16px 40px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: var(--accent-precision);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 82, 255, 0.2);
}

.btn-secondary {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: none;
    border: none;
    color: var(--text-mono);
    cursor: pointer;
    padding: 16px 24px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    color: var(--text-main);
}

.btn-flag {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: none;
    border: 2px solid transparent;
    color: var(--text-mono);
    cursor: pointer;
    padding: 12px 20px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.btn-flag:hover {
    border-color: var(--accent-warning);
    color: var(--accent-warning);
}

.btn-flag.flagged {
    background: var(--accent-warning);
    color: white;
    border-color: var(--accent-warning);
}

.flag-icon {
    font-size: 14px;
}

/* Quiz Chassis */
.chassis {
    width: 100%;
    max-width: 840px;
    margin: 0 auto;
    padding: 60px;
    position: relative;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        20px 20px 60px var(--alumina-shadow),
        -20px -20px 60px var(--alumina-highlight),
        inset 1px 1px 1px var(--alumina-highlight),
        inset -1px -1px 1px var(--alumina-shadow);
    animation: chassis-entry 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes chassis-entry {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }

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

/* Topic Selector */
.topic-selector {
    text-align: center;
}

.selector-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 32px;
}

.reading-list {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 24px;
}

.reading-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--alumina-base);
    margin-bottom: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        3px 3px 6px var(--alumina-shadow),
        -3px -3px 6px var(--alumina-highlight);
}

.reading-item:hover {
    transform: translateX(4px);
}

.reading-name {
    font-size: 13px;
    color: var(--alumina-dark);
    text-align: left;
    flex: 1;
}

.reading-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-mono);
    background: rgba(0, 0, 0, 0.05);
    padding: 4px 8px;
    border-radius: 2px;
}

/* Gauge / Progress */
.gauge-container {
    margin-bottom: 48px;
}

.gauge-label {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
    margin-bottom: 12px;
}

.milled-slot {
    height: 6px;
    background: #d4d7dd;
    border-radius: 100px;
    position: relative;
    box-shadow:
        inset 1px 1px 2px rgba(0, 0, 0, 0.1),
        inset -1px -1px 1px var(--alumina-highlight);
    overflow: hidden;
}

.precision-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-precision);
    border-radius: 100px;
    box-shadow: 0 0 12px rgba(0, 82, 255, 0.3);
    transition: width 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

/* Metadata */
.metadata {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-mono);
    margin-bottom: 24px;
    display: flex;
    gap: 20px;
    border-left: 2px solid var(--accent-precision);
    padding-left: 16px;
}

/* Question */
.question-text {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin-bottom: 36px;
    color: var(--alumina-dark);
}

.question-text p {
    margin-bottom: 12px;
}

.question-text ul,
.question-text ol {
    margin-left: 24px;
    margin-bottom: 12px;
}

.question-text li {
    margin-bottom: 8px;
}

.question-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.question-text th,
.question-text td {
    padding: 8px 12px;
    border: 1px solid var(--alumina-shadow);
    text-align: left;
}

.question-text th {
    background: rgba(0, 0, 0, 0.03);
}

/* Options Grid */
.options-grid {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.option-card {
    display: flex;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--alumina-base);
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.option-card:hover {
    transform: translateX(4px);
    box-shadow:
        8px 8px 15px var(--alumina-shadow),
        -2px -2px 10px var(--alumina-highlight);
}

.option-card.selected {
    background: #ebedf2;
    box-shadow:
        inset 2px 2px 5px var(--alumina-shadow),
        inset -2px -2px 5px var(--alumina-highlight);
    border-left: 4px solid var(--accent-precision);
}

.option-card.correct {
    border-left: 4px solid var(--accent-success);
    background: rgba(0, 200, 83, 0.08);
}

.option-card.incorrect {
    border-left: 4px solid var(--accent-error);
    background: rgba(255, 61, 0, 0.08);
}

.option-card.disabled {
    pointer-events: none;
}

.option-key {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    width: 36px;
    flex-shrink: 0;
}

.option-content {
    font-size: 15px;
    font-weight: 500;
    color: var(--alumina-dark);
    line-height: 1.5;
}

.option-card::after {
    content: "";
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%) scale(0.5);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-precision);
    opacity: 0;
    transition: all 0.2s ease;
}

.option-card.selected::after {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

/* Pause Overlay */
.pause-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(224, 229, 236, 0.85);
    /* Alumina base with opacity */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.pause-content {
    text-align: center;
    background: var(--alumina-base);
    padding: 48px 64px;
    border-radius: 12px;
    box-shadow:
        12px 12px 24px var(--alumina-shadow),
        -12px -12px 24px var(--alumina-highlight);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.pause-icon {
    font-size: 64px;
    margin-bottom: 24px;
    color: var(--alumina-dark);
}

.pause-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.pause-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--text-mono);
    margin-bottom: 32px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Explanation Box */
.explanation-box {
    padding: 20px 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    margin-bottom: 24px;
    box-shadow:
        inset 2px 2px 5px var(--alumina-shadow),
        inset -2px -2px 5px var(--alumina-highlight);
}

.explanation-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.explanation-icon {
    font-size: 20px;
}

.explanation-icon.correct {
    color: var(--accent-success);
}

.explanation-icon.incorrect {
    color: var(--accent-error);
}

.explanation-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.explanation-title.correct {
    color: var(--accent-success);
}

.explanation-title.incorrect {
    color: var(--accent-error);
}

.explanation-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-mono);
}

/* Controls Footer */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Flagged View */
.filter-bar {
    margin-bottom: 24px;
}

.topic-filter {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    padding: 12px 16px;
    background: var(--alumina-base);
    border: none;
    border-radius: 4px;
    color: var(--text-main);
    cursor: pointer;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.flagged-list {
    display: grid;
    gap: 12px;
}

.flagged-item {
    display: flex;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 4px solid var(--accent-warning);
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.flagged-item:hover {
    transform: translateX(4px);
}

.flagged-topic {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.flagged-question {
    font-size: 14px;
    color: var(--alumina-dark);
    line-height: 1.5;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-mono);
}

.empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    margin-top: 8px;
    display: block;
}

/* Analytics */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.analytics-card {
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        6px 6px 12px var(--alumina-shadow),
        -6px -6px 12px var(--alumina-highlight);
}

.analytics-card.full-width {
    grid-column: span 2;
}

.card-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
    margin-bottom: 20px;
}

/* Analytics Summary Cards */
.analytics-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--alumina-base);
    border-radius: 8px;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.summary-icon {
    font-size: 28px;
}

.summary-content {
    display: flex;
    flex-direction: column;
}

.summary-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--alumina-dark);
}

.summary-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
}

/* Time Stats */
.time-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.time-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.time-label {
    font-size: 13px;
    color: var(--text-mono);
}

.time-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--alumina-dark);
}

.time-value.success {
    color: var(--accent-success);
}

.time-value.danger {
    color: var(--accent-error);
}

/* Session Details */
.session-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.detail-label {
    font-size: 13px;
    color: var(--text-mono);
}

.detail-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--alumina-dark);
}

.detail-value.streak {
    color: #f97316;
}

/* Strong Areas */
.strong-areas {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.strong-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 200, 83, 0.08);
    border-left: 3px solid var(--accent-success);
    border-radius: 2px;
}

.strong-topic {
    font-size: 13px;
    color: var(--alumina-dark);
}

.strong-accuracy {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent-success);
    font-weight: 600;
}

/* Milestones */
.milestones {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.milestone {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 12px;
    background: #f5f6f8;
    border-radius: 8px;
    gap: 12px;
    transition: all 0.3s ease;
}

.milestone.achieved {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(34, 197, 94, 0.15) 100%);
    border: 1px solid var(--accent-success);
}

.milestone-icon {
    font-size: 24px;
    opacity: 0.5;
}

.milestone-icon.locked {
    filter: grayscale(1);
}

.milestone.achieved .milestone-icon {
    opacity: 1;
    filter: none;
}

.milestone-text {
    font-size: 12px;
    color: var(--text-mono);
    line-height: 1.4;
}

.milestone.achieved .milestone-text {
    color: var(--alumina-dark);
    font-weight: 500;
}

@media (max-width: 900px) {
    .analytics-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .milestones {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .analytics-summary {
        grid-template-columns: 1fr;
    }

    .milestones {
        grid-template-columns: 1fr;
    }
}

/* Dark Mode Analytics */
[data-theme="dark"] .summary-card {
    background: #252629;
    box-shadow:
        4px 4px 10px #141518,
        -4px -4px 10px #2a2b30;
}

[data-theme="dark"] .summary-value {
    color: var(--text-main);
}

[data-theme="dark"] .time-stat-row {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .time-value {
    color: var(--text-main);
}

[data-theme="dark"] .session-details {
    border-top-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .detail-value {
    color: var(--text-main);
}

[data-theme="dark"] .strong-item {
    background: rgba(46, 213, 115, 0.12);
    border-left-color: #2ed573;
}

[data-theme="dark"] .strong-topic {
    color: var(--text-main);
}

[data-theme="dark"] .strong-accuracy {
    color: #2ed573;
}

[data-theme="dark"] .milestone {
    background: #2a2b30;
}

[data-theme="dark"] .milestone.achieved {
    background: rgba(46, 213, 115, 0.12);
    border-color: #2ed573;
}

[data-theme="dark"] .milestone-text {
    color: var(--text-mono);
}

[data-theme="dark"] .milestone.achieved .milestone-text {
    color: var(--text-main);
}

.chart-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chart-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.chart-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-mono);
    width: 140px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chart-bar-container {
    flex: 1;
    height: 24px;
    background: #d4d7dd;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.chart-bar {
    height: 100%;
    background: var(--accent-precision);
    border-radius: 2px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 8px;
}

.chart-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: white;
    font-weight: 600;
}

.session-stats {
    display: flex;
    gap: 32px;
}

.session-stat {
    text-align: center;
}

.session-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 4px;
}

.session-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.weak-areas {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.weak-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 61, 0, 0.08);
    border-left: 3px solid var(--accent-error);
    border-radius: 2px;
}

.weak-topic {
    font-size: 13px;
    color: var(--alumina-dark);
}

.weak-accuracy {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent-error);
    font-weight: 600;
}

.action-bar {
    display: flex;
    justify-content: center;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--alumina-base);
}

::-webkit-scrollbar-thumb {
    background: var(--alumina-shadow);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-mono);
}

/* Responsive */
@media (max-width: 900px) {
    .nav-bar {
        flex-wrap: wrap;
        gap: 16px;
        padding: 16px 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chassis {
        padding: 30px;
        margin: 0 20px;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .analytics-card.full-width {
        grid-column: span 1;
    }
}

@media (max-width: 600px) {
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 4px;
    }

    .nav-link {
        padding: 10px 12px;
        font-size: 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 28px;
    }

    .view {
        padding: 20px 16px;
    }

    .chassis {
        padding: 20px;
        margin: 0 10px;
        box-shadow:
            10px 10px 30px var(--alumina-shadow),
            -10px -10px 30px var(--alumina-highlight);
    }

    .question-text {
        font-size: 18px;
    }

    .option-card {
        padding: 16px;
    }

    .option-content {
        font-size: 14px;
    }

    .quick-actions {
        flex-direction: column;
    }

    .controls {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }

    .controls button {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .btn-flag {
        order: -1;
        width: 100%;
        justify-content: center;
    }

    .timer-float {
        top: auto;
        bottom: 20px;
        right: 20px;
        padding: 8px 14px;
        opacity: 0.9;
    }

    .timer-float .timer-value {
        font-size: 14px;
    }

    .timer-pause-btn {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    .gauge-container {
        margin-bottom: 32px;
    }

    .metadata {
        flex-wrap: wrap;
        gap: 12px;
    }

    .topics-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-title {
        font-size: 24px;
    }

    .exam-countdown {
        padding: 8px 12px;
    }

    .countdown-value {
        font-size: 14px;
    }

    /* Hide non-essential on mobile */
    body::after {
        font-size: 150px;
        opacity: 0.02;
    }
}

/* Floating Minimal Timer */
.timer-float {
    position: fixed;
    top: 80px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 90;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0.85;
}

.timer-float:hover {
    opacity: 1;
    transform: scale(1.02);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12),
        0 2px 6px rgba(0, 0, 0, 0.08);
}

.timer-float .timer-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 500;
    color: var(--alumina-dark);
    min-width: 48px;
    text-align: center;
}

.timer-float .timer-value.warning {
    color: var(--accent-warning);
}

.timer-float .timer-value.danger {
    color: var(--accent-error);
    animation: pulse 1s infinite;
}

.timer-float.paused {
    background: rgba(255, 179, 0, 0.15);
    border: 1px solid rgba(255, 179, 0, 0.3);
}

.timer-float.paused .timer-value {
    opacity: 0.6;
}

.timer-pause-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
    color: var(--text-mono);
}

.timer-pause-btn:hover {
    background: var(--accent-precision);
    color: white;
    transform: scale(1.1);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Import Button */
.import-btn {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--alumina-base);
    border-radius: 8px;
    padding: 32px;
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow:
        20px 20px 60px rgba(0, 0, 0, 0.3),
        -10px -10px 30px var(--alumina-highlight);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--alumina-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-mono);
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--accent-error);
}

/* Results Summary */
.results-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.result-stat {
    text-align: center;
    padding: 20px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        4px 4px 8px var(--alumina-shadow),
        -4px -4px 8px var(--alumina-highlight);
}

.result-stat.success {
    border-bottom: 3px solid var(--accent-success);
}

.result-stat.error {
    border-bottom: 3px solid var(--accent-error);
}

.result-stat.time {
    border-bottom: 3px solid var(--accent-precision);
}

.result-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 4px;
}

.result-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
}

/* Results Table */
.details-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 2px solid var(--accent-precision);
}

.results-table-container {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 24px;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.results-table th {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
    background: rgba(0, 0, 0, 0.03);
    padding: 12px 16px;
    text-align: left;
    position: sticky;
    top: 0;
}

.results-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.results-table tr.correct td {
    background: rgba(0, 200, 83, 0.05);
}

.results-table tr.incorrect td {
    background: rgba(255, 61, 0, 0.05);
}

.result-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 2px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-badge.correct {
    background: var(--accent-success);
    color: white;
}

.result-badge.incorrect {
    background: var(--accent-error);
    color: white;
}

.time-cell {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-mono);
}

.time-cell.slow {
    color: var(--accent-warning);
}

.time-cell.fast {
    color: var(--accent-success);
}

/* Modal Actions */
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

/* Action bar improvements */
.action-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .results-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-table th:nth-child(4),
    .results-table td:nth-child(4),
    .results-table th:nth-child(5),
    .results-table td:nth-child(5) {
        display: none;
    }
}



/* ===================================
   MOCK EXAM STYLES
   =================================== */

/* Mock Selection Screen */
.mock-info-banner {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        inset 2px 2px 4px var(--alumina-shadow),
        inset -2px -2px 4px var(--alumina-highlight);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
}

.info-icon {
    font-size: 18px;
}

.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.mock-card {
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        6px 6px 12px var(--alumina-shadow),
        -6px -6px 12px var(--alumina-highlight);
    transition: all 0.3s ease;
}

.mock-card:hover {
    transform: translateY(-4px);
    box-shadow:
        10px 10px 20px var(--alumina-shadow),
        -10px -10px 20px var(--alumina-highlight);
}

.mock-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.mock-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--alumina-dark);
}

.mock-card-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 4px 8px;
    background: rgba(0, 82, 255, 0.1);
    color: var(--accent-precision);
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.mock-card-badge.completed {
    background: rgba(0, 200, 83, 0.1);
    color: var(--accent-success);
}

.mock-card-sessions {
    display: flex;
    gap: 10px;
}

.session-btn {
    flex: 1;
    padding: 14px 16px;
    background: var(--alumina-base);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
    transition: all 0.2s ease;
    box-shadow:
        3px 3px 6px var(--alumina-shadow),
        -3px -3px 6px var(--alumina-highlight);
}

.session-btn:hover {
    background: var(--alumina-dark);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.session-btn.completed {
    border-left: 3px solid var(--accent-success);
}

/* Exam Interface Header */
.mock-exam-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--alumina-dark);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

.mock-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mock-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-precision);
}

.mock-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.15em;
    opacity: 0.8;
}

.mock-header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.mock-timer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.timer-icon {
    font-size: 18px;
}

.timer-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.mock-timer.warning .timer-display {
    color: var(--accent-warning);
    animation: pulse 1s infinite;
}

.mock-timer.danger .timer-display {
    color: var(--accent-error);
    animation: pulse 0.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.btn-end-exam {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-end-exam:hover {
    background: var(--accent-error);
    border-color: var(--accent-error);
}

/* Exam Body Layout */
.mock-exam-body {
    display: flex;
    min-height: calc(100vh - 70px);
}

/* Question Navigator Sidebar */
.mock-navigator {
    width: 240px;
    background: var(--alumina-base);
    border-right: 1px solid var(--alumina-shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.navigator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
}

.navigator-legend {
    display: flex;
    gap: 8px;
}

.legend-item {
    font-size: 10px;
}

.legend-item.answered {
    color: var(--accent-precision);
}

.legend-item.flagged {
    color: var(--accent-warning);
}

.navigator-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    flex: 1;
    overflow-y: auto;
    padding-bottom: 16px;
}

.nav-question-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    background: var(--alumina-base);
    color: var(--text-mono);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        2px 2px 4px var(--alumina-shadow),
        -2px -2px 4px var(--alumina-highlight);
}

.nav-question-btn:hover {
    background: var(--alumina-dark);
    color: white;
}

.nav-question-btn.current {
    background: var(--accent-precision);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 82, 255, 0.3);
}

.nav-question-btn.answered {
    background: #d4e5ff;
    color: var(--accent-precision);
}

.nav-question-btn.flagged {
    position: relative;
}

.nav-question-btn.flagged::after {
    content: "⚑";
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 10px;
    color: var(--accent-warning);
}

.navigator-summary {
    border-top: 1px solid var(--alumina-shadow);
    padding-top: 16px;
    margin-top: auto;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    margin-bottom: 8px;
}

.summary-label {
    color: var(--text-mono);
}

.summary-value {
    font-weight: 600;
    color: var(--alumina-dark);
}

/* Question Area */
.mock-question-area {
    flex: 1;
    padding: 40px 60px;
    max-width: 900px;
    background: var(--alumina-base);
}

.mock-question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.question-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
}

.btn-flag-mock {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: transparent;
    border: 2px solid var(--alumina-shadow);
    border-radius: 4px;
    color: var(--text-mono);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-flag-mock:hover {
    border-color: var(--accent-warning);
    color: var(--accent-warning);
}

.btn-flag-mock.flagged {
    background: var(--accent-warning);
    border-color: var(--accent-warning);
    color: white;
}

.mock-question-content {
    font-size: 18px;
    line-height: 1.6;
    color: var(--alumina-dark);
    margin-bottom: 32px;
}

.mock-question-content p {
    margin-bottom: 12px;
}

.mock-question-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.mock-question-content th,
.mock-question-content td {
    padding: 10px 14px;
    border: 1px solid var(--alumina-shadow);
    text-align: left;
}

.mock-question-content th {
    background: rgba(0, 0, 0, 0.03);
}

.mock-options {
    display: grid;
    gap: 12px;
    margin-bottom: 40px;
}

.mock-option {
    display: flex;
    align-items: flex-start;
    padding: 18px 20px;
    background: var(--alumina-base);
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.mock-option:hover {
    transform: translateX(4px);
}

.mock-option.selected {
    background: #ebedf2;
    border-color: var(--accent-precision);
    box-shadow:
        inset 2px 2px 5px var(--alumina-shadow),
        inset -2px -2px 5px var(--alumina-highlight);
}

.mock-option-key {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    width: 32px;
    flex-shrink: 0;
}

.mock-option-text {
    font-size: 15px;
    color: var(--alumina-dark);
    line-height: 1.5;
}

.mock-question-controls {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--alumina-shadow);
}

/* Break Screen */
.mock-break-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--alumina-base);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.break-content {
    text-align: center;
    max-width: 500px;
    padding: 40px;
}

.break-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.break-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 12px;
}

.break-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 32px;
}

.session-summary {
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    margin-bottom: 32px;
    box-shadow:
        inset 2px 2px 4px var(--alumina-shadow),
        inset -2px -2px 4px var(--alumina-highlight);
}

.session-summary-row {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    margin-bottom: 8px;
}

.session-summary-row:last-child {
    margin-bottom: 0;
}

.break-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Results Screen */
.mock-results-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--alumina-base);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    overflow-y: auto;
}

.results-content {
    text-align: center;
    max-width: 600px;
    padding: 40px;
}

.results-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--alumina-dark);
    margin-bottom: 8px;
}

.results-mock-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 40px;
}

.results-score-display {
    margin-bottom: 40px;
}

.score-circle {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--alumina-base);
    box-shadow:
        inset 6px 6px 12px var(--alumina-shadow),
        inset -6px -6px 12px var(--alumina-highlight);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.score-value {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-precision);
}

.score-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-mono);
}

.results-breakdown {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.breakdown-card {
    flex: 1;
    padding: 24px;
    background: var(--alumina-base);
    border-radius: 4px;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.breakdown-card h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
    margin-bottom: 12px;
}

.breakdown-score {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--alumina-dark);
}

.breakdown-percent {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent-precision);
}

.results-time-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.time-stat {
    text-align: center;
}

.time-label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
    margin-bottom: 4px;
}

.time-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 600;
    color: var(--alumina-dark);
}

.results-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Modal Enhancements */
.modal-message {
    font-size: 14px;
    color: var(--text-mono);
    margin-bottom: 16px;
    line-height: 1.6;
}

.modal-warning {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 179, 0, 0.1);
    border-radius: 4px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--accent-warning);
}

.btn-danger {
    background: var(--accent-error) !important;
}

.btn-danger:hover {
    background: #d32f2f !important;
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--alumina-base);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow:
        3px 3px 6px var(--alumina-shadow),
        -3px -3px 6px var(--alumina-highlight);
    margin-left: 16px;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow:
        4px 4px 8px var(--alumina-shadow),
        -4px -4px 8px var(--alumina-highlight);
}

.theme-toggle:active {
    box-shadow:
        inset 2px 2px 4px var(--alumina-shadow),
        inset -2px -2px 4px var(--alumina-highlight);
}

/* Dark Mode Specific Overrides */
[data-theme="dark"] .nav-link.active {
    background: var(--accent-precision);
    box-shadow: 0 4px 12px rgba(77, 138, 255, 0.3);
}

[data-theme="dark"] .topic-progress {
    background: #2a2b30;
}

[data-theme="dark"] .milled-slot {
    background: #2a2b30;
}

[data-theme="dark"] .option-card.selected {
    background: #252629;
}

[data-theme="dark"] .option-card.correct {
    background: rgba(46, 213, 115, 0.15);
}

[data-theme="dark"] .option-card.incorrect {
    background: rgba(255, 107, 107, 0.15);
}

[data-theme="dark"] .reading-count {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .pause-overlay {
    background: rgba(20, 21, 24, 0.9);
}

[data-theme="dark"] .pause-content {
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .question-text th {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .question-text th,
[data-theme="dark"] .question-text td {
    border-color: #2a2b30;
}

[data-theme="dark"] .controls {
    border-top-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .mock-exam-header {
    background: #18191c;
    border-bottom-color: #2a2b30;
}

[data-theme="dark"] .mock-navigator {
    background: #1a1b1f;
    border-right-color: #2a2b30;
}

[data-theme="dark"] .nav-q-btn {
    background: #252629;
}

[data-theme="dark"] .nav-q-btn.answered {
    background: var(--accent-precision);
}

[data-theme="dark"] .mock-option {
    background: #252629;
    border-color: #333438;
}

[data-theme="dark"] .mock-option:hover {
    border-color: var(--accent-precision);
}

[data-theme="dark"] .mock-option.selected {
    background: rgba(77, 138, 255, 0.15);
}

/* Dark Mode Timer & Button Fixes */
[data-theme="dark"] .timer-float {
    background: #252629;
    box-shadow:
        4px 4px 10px #141518,
        -4px -4px 10px #2a2b30;
}

[data-theme="dark"] .timer-value {
    color: var(--text-main);
}

[data-theme="dark"] .timer-pause-btn {
    background: #2a2b30;
    color: var(--text-main);
    box-shadow:
        2px 2px 5px #141518,
        -2px -2px 5px #333438;
}

[data-theme="dark"] .timer-pause-btn:hover {
    background: var(--accent-precision);
    color: white;
}

[data-theme="dark"] .btn-secondary {
    color: var(--text-main);
}

[data-theme="dark"] .btn-secondary:hover {
    color: var(--accent-precision);
}

[data-theme="dark"] .btn-primary {
    background: var(--accent-precision);
    box-shadow: 0 10px 20px rgba(77, 138, 255, 0.2);
}

[data-theme="dark"] .btn-primary:hover {
    background: #6699ff;
    box-shadow: 0 15px 30px rgba(77, 138, 255, 0.3);
}

[data-theme="dark"] .btn-flag {
    color: #ffb347;
    border: 2px solid transparent;
}

[data-theme="dark"] .btn-flag:hover {
    color: #ffc048;
    border-color: #ffc048;
    background: rgba(255, 192, 72, 0.1);
}

[data-theme="dark"] .btn-flag.flagged {
    background: #ffc048;
    color: #1a1b1e;
    border-color: #ffc048;
}

[data-theme="dark"] .gauge-label {
    color: var(--text-mono);
}

[data-theme="dark"] .metadata {
    color: var(--text-mono);
    border-left-color: var(--accent-precision);
}

[data-theme="dark"] .analytics-card {
    background: #252629;
    box-shadow:
        6px 6px 12px #141518,
        -6px -6px 12px #2a2b30;
}

[data-theme="dark"] .chart-bar-bg {
    background: #333438;
}

[data-theme="dark"] .weak-area-item {
    background: rgba(255, 107, 107, 0.15);
}

[data-theme="dark"] .import-btn {
    color: var(--text-main);
}

/* Analytics Dark Mode - Enhanced */
[data-theme="dark"] .card-title {
    color: var(--text-main);
}

[data-theme="dark"] .chart-topic {
    color: var(--text-mono);
}

[data-theme="dark"] .session-value {
    color: var(--text-main);
}

[data-theme="dark"] .session-label {
    color: var(--text-mono);
}

[data-theme="dark"] .weak-item {
    background: rgba(255, 107, 107, 0.12);
    border-left-color: #ff6b6b;
}

[data-theme="dark"] .weak-topic {
    color: var(--text-main);
}

[data-theme="dark"] .weak-accuracy {
    color: #ff6b6b;
}

[data-theme="dark"] .action-bar .btn-primary {
    background: linear-gradient(135deg, #4d8aff 0%, #667eea 100%);
}

[data-theme="dark"] .action-bar .btn-secondary {
    color: var(--text-main);
    border: 1px solid #333438;
    border-radius: 4px;
    padding: 14px 24px;
}

[data-theme="dark"] .action-bar .btn-secondary:hover {
    border-color: var(--accent-precision);
    color: var(--accent-precision);
    background: rgba(77, 138, 255, 0.1);
}

[data-theme="dark"] .empty-hint {
    color: var(--text-mono);
}

[data-theme="dark"] .section-title {
    color: var(--text-mono);
    border-left-color: var(--accent-precision);
}

[data-theme="dark"] .dashboard-title {
    color: var(--text-main);
}

[data-theme="dark"] .dashboard-subtitle {
    color: var(--text-mono);
}

/* Reading Card Status & Completion Styles */
.reading-status {
    display: flex;
    align-items: center;
    gap: 12px;
}

.reading-status.complete {
    color: #10b981;
    font-weight: 600;
}

.status-icon {
    font-size: 16px;
    font-weight: bold;
    background: linear-gradient(135deg, #10b981 0%, #22c55e 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
}

.status-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #10b981;
}

.status-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
}

.reading-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent-precision);
    background: rgba(0, 82, 255, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.reading-item.completed {
    border-left: 4px solid #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.reading-item.completed:hover {
    background: rgba(16, 185, 129, 0.1);
}

/* Dark Mode Reading Status */
[data-theme="dark"] .reading-item.completed {
    background: rgba(16, 185, 129, 0.08);
    border-left-color: #22c55e;
}

[data-theme="dark"] .reading-item.completed:hover {
    background: rgba(16, 185, 129, 0.15);
}

[data-theme="dark"] .status-score {
    background: rgba(16, 185, 129, 0.15);
    color: #22c55e;
}

[data-theme="dark"] .status-text {
    color: #22c55e;
}

[data-theme="dark"] .reading-score {
    background: rgba(77, 138, 255, 0.15);
    color: #4d8aff;
}

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Tablet Breakpoint (768px and below) */
@media screen and (max-width: 768px) {

    /* Navigation */
    .nav-bar {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 4px;
        margin-top: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 11px;
        flex-shrink: 0;
    }

    .nav-controls {
        gap: 8px;
    }

    .nav-controls .btn-icon {
        width: 36px;
        height: 36px;
    }

    /* Dashboard */
    .dashboard {
        padding: 16px;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .dashboard-title {
        font-size: 24px;
    }

    .topics-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .topic-card {
        padding: 20px;
    }

    .topic-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .topic-name {
        font-size: 16px;
    }

    /* Quiz Interface - Cleaner Tablet */
    .quiz-container {
        padding: 16px;
        margin: 0;
    }

    /* Hide session label on tablets */
    #sessionLabel {
        display: none;
    }

    .gauge-label {
        justify-content: flex-end;
    }

    .gauge-container {
        margin-bottom: 10px;
    }

    .milled-slot {
        height: 5px;
    }

    #progressLabel {
        font-size: 11px;
    }

    .question-area {
        padding: 18px 16px;
        margin-bottom: 12px;
    }

    /* Stack metadata on tablets too */
    .metadata {
        flex-wrap: wrap;
        gap: 6px;
        font-size: 10px;
    }

    .question-text {
        font-size: 16px;
        line-height: 1.6;
    }

    .options-grid {
        gap: 10px;
    }

    .option-card {
        padding: 14px 16px;
    }

    .option-key {
        width: 24px;
        font-size: 11px;
    }

    .option-content {
        font-size: 14px;
    }

    /* Explanation box */
    .explanation-box {
        padding: 14px;
        margin-top: 12px;
    }

    .explanation-text {
        font-size: 13px;
    }

    /* Controls - inline on tablet */
    .controls {
        padding: 12px;
        gap: 10px;
    }

    .controls button {
        font-size: 13px;
        padding: 12px 16px;
    }

    /* Timer */
    .timer-float {
        top: 70px;
        right: 16px;
        padding: 6px 12px;
    }

    .timer-display {
        font-size: 14px;
    }

    .timer-pause-btn {
        width: 28px;
        height: 28px;
        font-size: 10px;
    }

    /* Action Bar */
    .action-bar {
        flex-wrap: wrap;
        gap: 10px;
        padding: 16px;
    }

    .action-bar .btn-group {
        width: 100%;
        justify-content: space-between;
    }

    .action-bar button {
        padding: 12px 16px;
        font-size: 13px;
    }

    /* Progress Bar */
    .progress-container {
        padding: 12px 16px;
    }

    .progress-text {
        font-size: 11px;
    }

    /* Flagged View */
    .flagged-container {
        padding: 16px;
    }

    .flagged-item {
        padding: 14px;
    }

    /* Analytics */
    .analytics-container {
        padding: 16px;
    }

    .analytics-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .summary-card {
        padding: 16px;
    }

    .summary-value {
        font-size: 28px;
    }

    .summary-label {
        font-size: 11px;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .analytics-card {
        padding: 16px;
    }

    .time-stats-grid,
    .session-stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .milestones-grid {
        grid-template-columns: 1fr;
    }

    /* Topic Selector */
    .topic-selector-container {
        padding: 16px;
    }

    .selector-title {
        font-size: 20px;
    }

    .reading-item {
        padding: 14px 16px;
    }

    .reading-name {
        font-size: 14px;
    }

    .reading-status {
        gap: 8px;
    }

    /* Results Modal */
    .results-modal {
        padding: 16px;
        margin: 16px;
        max-width: calc(100% - 32px);
    }

    .results-title {
        font-size: 24px;
    }

    .results-stat {
        padding: 12px;
    }

    /* Explanation Section */
    .explanation-section {
        padding: 16px;
        margin: 12px 0;
    }

    .explanation-content {
        font-size: 14px;
    }
}

/* Mobile Breakpoint (480px and below) */
@media screen and (max-width: 480px) {

    /* Navigation */
    .nav-bar {
        padding: 10px 12px;
    }

    .brand-text {
        font-size: 14px;
    }

    .brand-level {
        font-size: 10px;
        padding: 2px 6px;
    }

    .nav-links {
        gap: 2px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        padding: 8px 10px;
        font-size: 10px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .nav-controls .btn-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    /* Dashboard */
    .dashboard {
        padding: 12px;
    }

    .dashboard-title {
        font-size: 20px;
    }

    .dashboard-subtitle {
        font-size: 12px;
    }

    .topic-card {
        padding: 16px;
    }

    .topic-name {
        font-size: 14px;
    }

    .topic-progress-text {
        font-size: 11px;
    }

    /* Quiz Interface - Cleaner Mobile */
    .quiz-container {
        padding: 10px;
    }

    /* Hide cluttered session label on mobile */
    .gauge-label,
    #sessionLabel {
        display: none !important;
    }

    /* Compact progress bar */
    .milled-slot {
        height: 4px;
        margin-bottom: 8px;
    }

    #progressLabel {
        font-size: 10px;
        opacity: 0.7;
    }

    .question-area {
        padding: 12px;
        border-radius: 10px;
    }

    /* Stack metadata vertically for clarity */
    .metadata {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 8px 0;
        font-size: 9px;
        opacity: 0.8;
    }

    .metadata span {
        margin: 0;
    }

    .question-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .question-number,
    .question-topic {
        font-size: 9px;
    }

    /* Cleaner question text */
    .question-text {
        font-size: 15px;
        font-weight: 600;
        line-height: 1.5;
        margin: 10px 0;
    }

    /* Streamlined options */
    .options-grid {
        gap: 8px;
    }

    .option-card {
        padding: 12px 14px;
        border-radius: 8px;
    }

    /* Hide option letter keys on mobile for cleaner look */
    .option-key {
        display: none;
    }

    .option-content {
        font-size: 13px;
        line-height: 1.4;
    }

    /* Better timer placement - docked at bottom right */
    .timer-float {
        top: auto;
        bottom: 70px;
        right: 10px;
        padding: 6px 10px;
        font-size: 12px;
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(10px);
        border-radius: 20px;
        z-index: 50;
    }

    .timer-value {
        font-size: 14px;
    }

    .timer-pause-btn {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    /* Simpler explanation box */
    .explanation-box {
        padding: 12px;
        margin-top: 10px;
        border-radius: 8px;
        font-size: 13px;
    }

    .explanation-header {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .explanation-text {
        font-size: 12px;
        line-height: 1.5;
    }

    /* Streamlined controls footer */
    .controls {
        padding: 10px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .controls button {
        font-size: 12px;
        padding: 10px 14px;
    }

    /* Make prev/next buttons equal and side by side */
    #prevBtn,
    #nextBtn {
        flex: 1;
        min-width: 0;
    }

    /* Flag button smaller, icon only on mobile */
    .btn-flag {
        padding: 10px;
        font-size: 14px;
    }

    .btn-flag .flag-text {
        display: none;
    }

    /* Analytics */
    .analytics-summary {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .summary-card {
        padding: 12px;
    }

    .summary-icon {
        font-size: 20px;
    }

    .summary-value {
        font-size: 24px;
    }

    .summary-label {
        font-size: 10px;
    }

    .chart-label {
        font-size: 11px;
        min-width: 70px;
    }

    .chart-value {
        font-size: 10px;
    }

    .time-stat-item,
    .session-stat-item {
        padding: 10px;
    }

    .stat-label {
        font-size: 10px;
    }

    .stat-value {
        font-size: 12px;
    }

    .weak-item,
    .strong-item {
        padding: 10px;
    }

    .weak-topic,
    .strong-topic {
        font-size: 12px;
    }

    .milestone {
        padding: 10px;
    }

    .milestone-text {
        font-size: 12px;
    }

    /* Reading Items */
    .reading-item {
        padding: 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .reading-name {
        font-size: 13px;
        max-width: 100%;
    }

    .reading-status {
        width: 100%;
        justify-content: flex-start;
    }

    .status-icon {
        font-size: 12px;
        padding: 3px 6px;
    }

    .status-text {
        font-size: 10px;
    }

    .status-score {
        font-size: 11px;
        padding: 3px 8px;
    }

    /* Results Modal */
    .results-modal {
        padding: 12px;
        margin: 8px;
    }

    .results-title {
        font-size: 20px;
    }

    .results-stats {
        flex-direction: column;
        gap: 10px;
    }

    .results-stat {
        padding: 10px;
    }

    .results-stat .value {
        font-size: 24px;
    }

    .results-actions {
        flex-direction: column;
        gap: 10px;
    }

    .results-actions button {
        width: 100%;
    }

    /* Explanation */
    .explanation-section {
        padding: 12px;
    }

    .explanation-header h4 {
        font-size: 13px;
    }

    .explanation-content {
        font-size: 13px;
    }

    /* Question Navigator */
    .question-nav {
        padding: 10px;
        gap: 6px;
        flex-wrap: wrap;
    }

    .nav-dot {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .option-card {
        min-height: 56px;
    }

    .nav-link {
        min-height: 44px;
    }

    .reading-item {
        min-height: 56px;
    }

    button {
        min-height: 44px;
    }

    .topic-card {
        min-height: 100px;
    }

    /* Remove hover effects on touch devices */
    .option-card:hover {
        transform: none;
    }

    .topic-card:hover {
        transform: none;
    }

    .reading-item:hover {
        transform: none;
    }

    /* Add active states for touch feedback */
    .option-card:active {
        transform: scale(0.98);
        transition: transform 0.1s;
    }

    .topic-card:active {
        transform: scale(0.98);
    }

    .reading-item:active {
        transform: scale(0.98);
    }

    .nav-link:active {
        transform: scale(0.95);
    }

    button:active {
        transform: scale(0.96);
    }
}

/* Landscape mode adjustments */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .nav-links {
        width: auto;
        order: 0;
    }

    .nav-bar {
        flex-wrap: nowrap;
    }

    .quiz-container {
        max-width: 100%;
    }

    .question-area {
        max-height: 40vh;
        overflow-y: auto;
    }

    .options-container {
        max-height: 35vh;
        overflow-y: auto;
    }

    .timer-float {
        top: 60px;
        bottom: auto;
    }
}

/* Safe area insets for notched devices */
@supports (padding: max(0px)) {
    .nav-bar {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
        padding-top: max(12px, env(safe-area-inset-top));
    }

    .action-bar {
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .dashboard,
    .quiz-container,
    .analytics-container,
    .flagged-container {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
}

/* ============================================
   COMPLETE MOBILE APP UI (520px and below)
   App-like experience with bottom navigation
   ============================================ */
@media screen and (max-width: 520px) {

    /* === MOBILE APP SHELL === */
    body {
        padding-bottom: 70px;
        /* Space for bottom nav */
    }

    /* Navigation links moved to bottom - see BOTTOM NAVIGATION BAR section */

    /* Minimal top header */
    .nav-bar {
        padding: 12px 16px;
        justify-content: space-between;
        flex-wrap: nowrap;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: var(--alumina-base);
        border-bottom: 1px solid var(--alumina-shadow);
    }

    .nav-brand {
        padding: 4px 0;
    }

    .brand-text {
        font-size: 16px;
        font-weight: 700;
    }

    .exam-countdown {
        padding: 6px 10px;
        font-size: 10px;
    }

    .countdown-value {
        font-size: 14px;
    }

    /* Theme toggle smaller */
    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    /* === BOTTOM NAVIGATION BAR === */
    .nav-links {
        display: flex !important;
        position: fixed !important;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--alumina-base);
        border-top: 1px solid var(--alumina-shadow);
        padding: 8px 0;
        padding-bottom: max(8px, env(safe-area-inset-bottom));
        justify-content: space-around !important;
        gap: 0 !important;
        width: 100% !important;
        order: unset !important;
        margin: 0 !important;
        z-index: 1000;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-link {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 6px 8px !important;
        font-size: 9px !important;
        min-width: 60px;
        border-radius: 8px;
        gap: 4px;
    }

    .nav-link::before {
        font-size: 18px;
        display: block;
    }

    /* Icons for bottom nav */
    .nav-link[data-view="home"]::before {
        content: "🏠";
    }

    .nav-link[data-view="quiz"]::before {
        content: "📝";
    }

    .nav-link[data-view="mockExam"]::before {
        content: "🎯";
    }

    .nav-link[data-view="premium"]::before {
        content: "💎";
    }

    .nav-link[data-view="flagged"]::before {
        content: "🚩";
    }

    .nav-link[data-view="analytics"]::before {
        content: "📊";
    }

    .nav-link.active {
        background: var(--accent-precision);
        color: white;
    }

    /* === VIEWS CONTAINER === */
    .view {
        padding: 70px 12px 16px 12px;
        /* Top padding for fixed header */
        min-height: calc(100vh - 70px);
    }

    /* === MOBILE DASHBOARD === */
    .dashboard-container {
        padding: 0;
    }

    .dashboard-header {
        text-align: center;
        padding: 16px 0;
    }

    .dashboard-title {
        font-size: 22px;
        margin-bottom: 4px;
    }

    .dashboard-subtitle {
        font-size: 12px;
        opacity: 0.7;
    }

    /* Horizontal scrolling stats */
    .stats-grid {
        display: flex;
        gap: 10px;
        overflow-x: auto;
        padding: 8px 0 16px 0;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .stats-grid::-webkit-scrollbar {
        display: none;
    }

    .stat-card {
        flex: 0 0 auto;
        min-width: 100px;
        padding: 16px;
        scroll-snap-align: start;
        text-align: center;
    }

    .stat-value {
        font-size: 24px;
    }

    .stat-label {
        font-size: 10px;
    }

    /* Motivation banner */
    .motivation-banner {
        padding: 12px;
        margin: 8px 0;
        border-radius: 12px;
    }

    .motivation-quote {
        font-size: 13px;
    }

    /* Topic cards - vertical list */
    .topics-grid {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .topic-card {
        padding: 14px;
        border-radius: 12px;
    }

    .topic-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .topic-name {
        font-size: 14px;
        font-weight: 600;
    }

    .topic-meta {
        font-size: 10px;
    }

    .quick-actions {
        position: fixed;
        bottom: 80px;
        left: 12px;
        right: 12px;
        display: flex;
        gap: 10px;
        z-index: 100;
    }

    .quick-actions button {
        flex: 1;
        padding: 14px;
        font-size: 13px;
        border-radius: 12px;
    }

    /* === MOBILE QUIZ INTERFACE === */
    .chassis {
        padding: 0;
    }

    .topic-selector {
        padding: 16px 0;
    }

    .selector-title {
        font-size: 18px;
        text-align: center;
        margin-bottom: 16px;
    }

    /* Reading list as cards */
    .reading-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .reading-item {
        padding: 14px;
        border-radius: 12px;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .reading-name {
        font-size: 13px;
        flex: 1;
        margin-right: 10px;
    }

    .reading-status {
        flex-shrink: 0;
    }

    /* Quiz interface - Full screen card */
    .quiz-interface {
        margin: -70px -12px -16px -12px;
        padding: 70px 0 0 0;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    .gauge-container {
        padding: 8px 16px;
        margin: 0;
    }

    .gauge-label {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    #sessionLabel {
        display: none !important;
    }

    #progressLabel {
        font-size: 11px;
        opacity: 0.8;
    }

    .milled-slot {
        height: 4px;
        border-radius: 2px;
        margin-top: 6px;
    }

    /* Metadata - single line */
    .metadata {
        display: flex;
        padding: 8px 16px;
        gap: 12px;
        font-size: 10px;
        opacity: 0.7;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    .metadata span {
        white-space: nowrap;
    }

    /* Question area - card style */
    .question-text {
        font-size: 16px;
        font-weight: 600;
        line-height: 1.5;
        padding: 12px 16px;
        margin: 0;
    }

    /* Options - full width cards */
    .options-grid {
        padding: 0 12px;
        gap: 8px;
        flex: 1;
    }

    .option-card {
        padding: 14px 16px;
        border-radius: 12px;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }

    .option-key {
        display: none;
        /* Hide option letters on mobile */
    }

    .option-content {
        font-size: 14px;
        line-height: 1.4;
    }

    .option-card.correct {
        border: 2px solid var(--accent-success);
        background: rgba(0, 200, 83, 0.1);
    }

    .option-card.incorrect {
        border: 2px solid var(--accent-error);
        background: rgba(255, 61, 0, 0.1);
    }

    /* Hide timer on mobile - cleaner experience */
    .timer-float {
        display: none !important;
    }

    .timer-value {
        font-size: 14px;
        color: white;
    }

    /* Hide pause button on mobile - cleaner experience */
    .timer-pause-btn {
        display: none;
    }

    /* Hide pause overlay on mobile */
    .pause-overlay {
        display: none !important;
    }

    /* Explanation - slide up panel */
    .explanation-box {
        background: var(--alumina-highlight);
        padding: 14px 16px;
        margin: 12px;
        border-radius: 12px;
    }

    .explanation-header {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
    }

    .explanation-icon {
        font-size: 18px;
    }

    .explanation-title {
        font-weight: 600;
        font-size: 14px;
    }

    .explanation-text {
        font-size: 13px;
        line-height: 1.5;
        opacity: 0.9;
    }

    /* Controls - fixed at bottom */
    .controls {
        position: fixed;
        bottom: 70px;
        left: 0;
        right: 0;
        background: var(--alumina-base);
        padding: 10px 12px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
        display: flex;
        gap: 8px;
        border-top: 1px solid var(--alumina-shadow);
        z-index: 100;
    }

    .controls button {
        flex: 1;
        padding: 12px;
        font-size: 13px;
        border-radius: 10px;
    }

    .btn-flag {
        flex: 0 0 auto;
        width: 44px;
        padding: 12px;
    }

    .btn-flag .flag-icon {
        font-size: 16px;
    }

    /* Hide flag text on mobile */
    .btn-flag {
        font-size: 0;
    }

    .btn-flag .flag-icon {
        font-size: 18px;
    }

    /* === MOBILE ANALYTICS === */
    .analytics-summary {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 16px;
    }

    .summary-card {
        padding: 14px;
        text-align: center;
        border-radius: 12px;
    }

    .summary-icon {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .summary-value {
        font-size: 24px;
        font-weight: 700;
    }

    .summary-label {
        font-size: 10px;
        opacity: 0.7;
    }

    .analytics-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .analytics-card {
        padding: 14px;
        border-radius: 12px;
    }

    .card-title {
        font-size: 14px;
        margin-bottom: 12px;
    }

    /* === MOBILE FLAGGED VIEW === */
    .flagged-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .flagged-item {
        padding: 14px;
        border-radius: 12px;
    }

    /* === MOBILE MOCK EXAM === */
    .mock-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .mock-card {
        padding: 16px;
        border-radius: 12px;
    }

    .mock-info-banner {
        flex-direction: column;
        gap: 8px;
        padding: 12px;
        margin-bottom: 16px;
    }

    /* Mock exam interface */
    .mock-exam-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 10px 12px;
    }

    .mock-navigator {
        display: none;
        /* Hide sidebar on mobile */
    }

    .mock-question-area {
        padding: 70px 12px 80px 12px;
    }

    /* === MOBILE MODALS === */
    .modal-content {
        margin: 16px;
        border-radius: 16px;
        max-height: calc(100vh - 32px);
        overflow-y: auto;
    }

    .modal-title {
        font-size: 18px;
    }

    .modal-actions {
        flex-direction: column;
        gap: 8px;
    }

    .modal-actions button {
        width: 100%;
    }

    /* Results modal */
    .results-modal {
        padding: 16px;
    }

    .results-stats {
        flex-direction: column;
        gap: 8px;
    }

    /* === MOBILE EMPTY STATES === */
    .empty-state {
        padding: 40px 20px;
        text-align: center;
    }

    .empty-icon {
        font-size: 48px;
        margin-bottom: 16px;
    }

    /* === TOUCH OPTIMIZATIONS === */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    button,
    .option-card,
    .topic-card,
    .reading-item,
    .nav-link {
        cursor: pointer;
        transition: transform 0.1s ease, opacity 0.1s ease;
    }

    button:active,
    .option-card:active,
    .topic-card:active,
    .reading-item:active,
    .nav-link:active {
        transform: scale(0.97);
        opacity: 0.9;
    }

    /* Disable hover effects on touch */
    @media (hover: none) {

        button:hover,
        .option-card:hover,
        .topic-card:hover,
        .reading-item:hover {
            transform: none;
        }
    }
}

/* Print styles - hide unnecessary elements */
@media print {

    .nav-bar,
    .timer-float,
    .action-bar,
    .nav-controls {
        display: none !important;
    }

    .quiz-container,
    .analytics-container {
        padding: 0;
    }

    .question-area {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* ==========================================
   MOCK EXAM STYLES
   ========================================== */

/* Mock Info Banner */
.mock-info-banner {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 16px;
    background: var(--alumina-highlight);
    border-radius: 12px;
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
}

.info-icon {
    font-size: 20px;
}

/* Mock Grid */
.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* Mock Card */
.mock-card {
    background: var(--alumina-base);
    border: 1px solid var(--alumina-shadow);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
}

.mock-card:hover {
    border-color: var(--accent-precision);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.mock-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.mock-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.mock-card-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background: var(--alumina-shadow);
    color: var(--text-secondary);
}

.mock-card-badge.completed {
    background: var(--accent-success);
    color: white;
}

.mock-card-sessions {
    display: flex;
    gap: 8px;
}

.session-btn {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--alumina-shadow);
    border-radius: 8px;
    background: var(--alumina-base);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.session-btn:hover {
    background: var(--accent-precision);
    color: white;
    border-color: var(--accent-precision);
}

.session-btn.completed {
    background: rgba(0, 200, 83, 0.1);
    border-color: var(--accent-success);
    color: var(--accent-success);
}

/* Mock Exam Interface */
.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--alumina-base);
    border-bottom: 1px solid var(--alumina-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.mock-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-precision);
    letter-spacing: 1px;
}

.mock-timer {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 8px 16px;
    background: var(--alumina-shadow);
    border-radius: 8px;
}

.mock-timer .timer-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.mock-timer .timer-display {
    font-size: 24px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

.mock-timer.warning .timer-display {
    color: var(--accent-warning);
}

.mock-timer.danger .timer-display {
    color: var(--accent-error);
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Mock Body */
.mock-body {
    display: flex;
    min-height: calc(100vh - 80px);
}

/* Navigator Sidebar */
.mock-navigator {
    width: 240px;
    background: var(--alumina-base);
    border-right: 1px solid var(--alumina-shadow);
    padding: 16px;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.navigator-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.navigator-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    margin-bottom: 16px;
}

.nav-question-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--alumina-shadow);
    border-radius: 6px;
    background: var(--alumina-base);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-question-btn:hover {
    border-color: var(--accent-precision);
}

.nav-question-btn.current {
    background: var(--accent-precision);
    color: white;
    border-color: var(--accent-precision);
}

.nav-question-btn.answered {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-precision);
}

.nav-question-btn.flagged {
    background: rgba(255, 107, 0, 0.15);
    border-color: var(--accent-warning);
}

.navigator-summary {
    padding-top: 12px;
    border-top: 1px solid var(--alumina-shadow);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Question Area */
.mock-question-area {
    flex: 1;
    padding: 24px 32px;
    max-width: 900px;
}

.mock-question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mock-question-header span {
    font-size: 14px;
    color: var(--text-secondary);
}

.mock-flag-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid var(--alumina-shadow);
    border-radius: 6px;
    background: var(--alumina-base);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mock-flag-btn:hover {
    border-color: var(--accent-warning);
    color: var(--accent-warning);
}

.mock-flag-btn.flagged {
    background: var(--accent-warning);
    color: white;
    border-color: var(--accent-warning);
}

.mock-question-content {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.mock-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.mock-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--alumina-shadow);
    border-radius: 10px;
    background: var(--alumina-base);
    cursor: pointer;
    transition: all 0.2s ease;
}

.mock-option:hover {
    border-color: var(--accent-precision);
    background: rgba(99, 102, 241, 0.05);
}

.mock-option.selected {
    border-color: var(--accent-precision);
    background: rgba(99, 102, 241, 0.1);
}

.mock-option-key {
    font-weight: 600;
    color: var(--accent-precision);
    min-width: 20px;
}

.mock-option-text {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
}

.mock-controls {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--alumina-shadow);
}

/* Break Screen */
#mockBreakScreen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.break-content {
    text-align: center;
    max-width: 400px;
}

.break-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.break-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.break-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Results Screen */
#mockResultsScreen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.results-content {
    text-align: center;
    max-width: 500px;
}

.results-content h2 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.overall-score-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-precision), #818cf8);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.overall-score-circle span {
    font-size: 36px;
    font-weight: 700;
    color: white;
}

.session-breakdown {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 24px;
}

.session-result {
    background: var(--alumina-highlight);
    border-radius: 10px;
    padding: 16px 24px;
}

.session-result h3 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.session-result span {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.results-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* End Exam Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--alumina-base);
    border-radius: 12px;
    padding: 24px 32px;
    max-width: 400px;
    text-align: center;
}

.modal-content h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 20px;
}


/* ==========================================
   Mock Exam Styles
   ========================================== */

#mockExamInterface {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--alumina-base);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.mock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--alumina-dark);
    color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.mock-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mock-timer {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.mock-timer.warning {
    background: rgba(255, 179, 0, 0.2);
}

.mock-timer.danger {
    background: rgba(255, 61, 0, 0.3);
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.timer-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.timer-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    font-weight: 700;
}

.mock-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.mock-navigator {
    width: 200px;
    min-width: 200px;
    background: var(--alumina-base);
    border-right: 1px solid var(--alumina-shadow);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.navigator-header {
    padding: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mono);
    border-bottom: 1px solid var(--alumina-shadow);
}

.navigator-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    padding: 12px;
    flex: 1;
    overflow-y: auto;
    align-content: start;
}

.nav-question-btn {
    width: 100%;
    aspect-ratio: 1;
    border: none;
    border-radius: 4px;
    background: var(--alumina-base);
    color: var(--text-mono);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow:
        2px 2px 4px var(--alumina-shadow),
        -2px -2px 4px var(--alumina-highlight);
}

.nav-question-btn:hover {
    transform: translateY(-1px);
}

.nav-question-btn.current {
    background: var(--accent-precision);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 82, 255, 0.3);
}

.nav-question-btn.answered {
    background: var(--accent-success);
    color: white;
}

.nav-question-btn.flagged {
    border: 2px solid var(--accent-warning);
}

.nav-question-btn.answered.flagged {
    background: var(--accent-warning);
    color: white;
}

.navigator-summary {
    padding: 16px;
    border-top: 1px solid var(--alumina-shadow);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--text-mono);
}

.summary-row:last-child {
    margin-bottom: 0;
}

.mock-question-area {
    flex: 1;
    padding: 32px 48px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mock-question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--alumina-shadow);
}

.mock-question-header span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.mock-flag-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 2px solid var(--alumina-shadow);
    border-radius: 4px;
    background: transparent;
    color: var(--text-mono);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mock-flag-btn:hover {
    border-color: var(--accent-warning);
    color: var(--accent-warning);
}

.mock-flag-btn.flagged {
    background: var(--accent-warning);
    border-color: var(--accent-warning);
    color: white;
}

.mock-question-content {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-main);
    margin-bottom: 32px;
}

.mock-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.mock-option {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--alumina-base);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        4px 4px 10px var(--alumina-shadow),
        -4px -4px 10px var(--alumina-highlight);
}

.mock-option:hover {
    transform: translateX(4px);
}

.mock-option.selected {
    background: rgba(0, 82, 255, 0.1);
    border-left: 4px solid var(--accent-precision);
    box-shadow:
        inset 2px 2px 5px var(--alumina-shadow),
        inset -2px -2px 5px var(--alumina-highlight);
}

.mock-option-key {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-precision);
    min-width: 24px;
}

.mock-option-text {
    font-size: 15px;
    color: var(--text-main);
    line-height: 1.5;
}

.mock-controls {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--alumina-shadow);
}

/* Mock Grid (selection screen) */
.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.mock-card {
    background: var(--alumina-base);
    border-radius: 8px;
    padding: 24px;
    box-shadow:
        6px 6px 12px var(--alumina-shadow),
        -6px -6px 12px var(--alumina-highlight);
}

.mock-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mock-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.mock-card-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(0, 82, 255, 0.1);
    color: var(--accent-precision);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mock-card-badge.completed {
    background: rgba(0, 200, 83, 0.1);
    color: var(--accent-success);
}

.mock-card-sessions {
    display: flex;
    gap: 12px;
}

.session-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 4px;
    background: var(--alumina-dark);
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.session-btn:hover {
    background: var(--accent-precision);
    transform: translateY(-2px);
}

.session-btn.completed {
    background: var(--accent-success);
}

/* Results Screen */
#mockResultsScreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--alumina-base);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* End Exam Modal */
#endExamModal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

/* Mock Selection Grid */
.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.mock-card {
    background: var(--alumina-base);
    border-radius: 8px;
    padding: 24px;
    box-shadow:
        6px 6px 12px var(--alumina-shadow),
        -6px -6px 12px var(--alumina-highlight);
}

.mock-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mock-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.mock-card-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(0, 82, 255, 0.15);
    color: var(--accent-precision);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.mock-card-badge.completed {
    background: rgba(0, 200, 83, 0.15);
    color: var(--accent-success);
}

.mock-card-sessions {
    display: flex;
    gap: 12px;
}

.session-btn {
    flex: 1;
    padding: 14px 16px;
    border: none;
    border-radius: 6px;
    background: var(--accent-precision);
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.25);
}

.session-btn:hover {
    background: #0044dd;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 82, 255, 0.35);
}

.session-btn.completed {
    background: var(--accent-success);
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.25);
}

.session-btn.completed:hover {
    background: #00a844;
    box-shadow: 0 6px 16px rgba(0, 200, 83, 0.35);
}

/* Mobile Mock Styles */


@media (max-width: 768px) {
    .mock-info-banner {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .mock-body {
        flex-direction: column;
    }

    .mock-navigator {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid var(--alumina-shadow);
    }

    .navigator-grid {
        grid-template-columns: repeat(10, 1fr);
    }

    .mock-question-area {
        padding: 16px;
    }

    .session-breakdown {
        flex-direction: column;
    }

    /* Reading List Mobile Fixes */
    .reading-list {
        max-height: none;
        padding: 0 8px;
    }

    .reading-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px;
    }

    .reading-name {
        font-size: 14px;
        line-height: 1.4;
        width: 100%;
        word-wrap: break-word;
    }

    .reading-stats {
        display: flex;
        gap: 8px;
        width: 100%;
        justify-content: flex-start;
    }

    .reading-count {
        font-size: 11px;
        padding: 6px 10px;
    }

    .reading-accuracy {
        font-size: 11px;
        padding: 6px 10px;
    }

    /* Topic selector mobile */
    .topic-selector {
        padding: 16px;
    }

    .selector-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    /* Chassis mobile */
    .chassis {
        padding: 20px;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
    }

    /* Quiz controls mobile - Compact & Animated */
    .controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 16px;
        position: sticky;
        bottom: 60px;
        background: linear-gradient(to top, var(--alumina-base) 85%, transparent);
        padding-top: 24px;
        z-index: 50;
        animation: slideUp 0.3s ease;
    }

    @keyframes slideUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }

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

    .controls .btn-primary {
        flex: 1.5 1 auto;
        order: 3;
        padding: 12px 14px;
        font-size: 11px;
        animation: fadeInUp 0.3s ease 0.3s both;
    }

    .controls .btn-secondary {
        flex: 1 1 auto;
        order: 1;
        padding: 10px 12px;
        font-size: 10px;
        animation: fadeInUp 0.3s ease 0.1s both;
    }

    .controls .btn-flag {
        flex: 1 1 auto;
        order: 2;
        justify-content: center;
        padding: 10px 12px;
        font-size: 10px;
        animation: fadeInUp 0.3s ease 0.2s both;
    }

    /* Utility for scroll-to-hide */
    .hidden-action {
        transform: translateY(100px);
        opacity: 0;
        pointer-events: none;
    }

    /* Explanation box mobile - more compact */
    .explanation-box {
        margin-bottom: 16px;
        padding: 12px 16px;
        animation: expandIn 0.4s ease;
    }

    @keyframes expandIn {
        from {
            opacity: 0;
            max-height: 0;
            padding: 0 16px;
        }

        to {
            opacity: 1;
            max-height: 500px;
            padding: 12px 16px;
        }
    }

    .explanation-header {
        margin-bottom: 8px;
    }

    .explanation-text {
        font-size: 12px;
        line-height: 1.5;
    }

    /* Question text mobile */
    .question-text {
        font-size: 16px;
        margin-bottom: 16px;
        line-height: 1.5;
    }

    /* Options grid mobile - more compact */
    .options-grid {
        gap: 8px;
        margin-bottom: 12px;
    }

    .option-card {
        padding: 12px 14px;
        transition: all 0.2s ease;
    }

    .option-card:active {
        transform: scale(0.98);
    }

    .option-content {
        font-size: 13px;
        line-height: 1.4;
    }

    .option-key {
        font-size: 11px;
        min-width: 28px;
    }

    /* Quiz interface mobile */
    .quiz-interface {
        padding-bottom: 140px;
    }

    /* Gauge container mobile */
    .gauge-container {
        margin-bottom: 20px;
    }

    .gauge-label {
        font-size: 9px;
    }

    /* Metadata mobile */
    .metadata {
        font-size: 10px;
        margin-bottom: 12px;
        padding-left: 12px;
        gap: 12px;
    }

    /* Dashboard Quick Actions - Compact & Animated */
    .quick-actions {
        flex-direction: column;
        gap: 10px;
        padding: 16px;
        position: sticky;
        bottom: 60px;
        background: linear-gradient(to top, var(--alumina-base) 90%, transparent);
        margin: 0 -16px;
        padding-bottom: 20px;
        z-index: 50;
        animation: slideUp 0.4s ease;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s linear;
    }

    .quick-actions .btn-primary {
        width: 100%;
        padding: 14px 20px;
        font-size: 12px;
        animation: pulseGlow 2s ease infinite;
    }

    @keyframes pulseGlow {

        0%,
        100% {
            box-shadow: 0 4px 12px rgba(0, 82, 255, 0.3);
        }

        50% {
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.5);
        }
    }

    .quick-actions .btn-secondary {
        width: 100%;
        padding: 12px 16px;
        font-size: 11px;
        background: var(--alumina-base);
        border-radius: 6px;
        box-shadow:
            3px 3px 6px var(--alumina-shadow),
            -3px -3px 6px var(--alumina-highlight);
    }

    /* Dashboard container mobile */
    .dashboard-container {
        padding: 16px;
        padding-bottom: 160px;
    }

    /* Topics grid mobile */
    .topics-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .topic-card {
        padding: 16px;
    }

    .topic-name {
        font-size: 14px;
    }

    /* Stats grid mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 24px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 24px;
    }

    .stat-label {
        font-size: 9px;
    }

    /* Section title mobile */
    .section-title {
        font-size: 10px;
        margin-bottom: 16px;
    }

    /* Motivation banner mobile */
    .motivation-banner {
        padding: 16px;
        margin-bottom: 20px;
    }

    .motivation-quote {
        font-size: 13px;
    }

    .motivation-icon {
        font-size: 24px;
    }
}