/* SarkariPrep App Styles - Shared across all pages */
/* Design tokens match landing page */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --saffron: #FF6B2B;
    --saffron-light: #FF8F5C;
    --saffron-dark: #E55A1B;
    --deep-navy: #0A1628;
    --navy-mid: #132035;
    --slate: #1E2D45;
    --text-primary: #F0F4F8;
    --text-secondary: #8B9DB7;
    --accent-green: #22C55E;
    --accent-green-dark: #16A34A;
    --accent-yellow: #FBBF24;
    --accent-red: #EF4444;
    --border-subtle: rgba(255,255,255,0.06);
    --border-hover: rgba(255,107,43,0.3);
}

body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans Devanagari', sans-serif;
    background: var(--deep-navy);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

/* Grain overlay */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* App Nav */
.app-nav {
    padding: 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 24px;
}

.app-nav .logo {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--text-primary);
}

.app-nav .logo span {
    color: var(--saffron);
}

.nav-links {
    display: flex;
    gap: 16px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    background: var(--slate);
}

/* Page Header */
.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.page-header .hindi-title {
    font-family: 'Noto Sans Devanagari', sans-serif;
    color: var(--saffron);
    font-size: 1.1rem;
    font-weight: 500;
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* Quiz Question Card */
.question-card {
    background: var(--navy-mid);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
    transition: border-color 0.3s;
}

.question-card.answered {
    border-color: rgba(255,107,43,0.15);
}

.question-number {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--saffron);
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.question-number .section-tag {
    background: var(--slate);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    letter-spacing: 0.5px;
}

.question-text {
    font-family: 'Noto Sans Devanagari', 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Options */
.options-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-btn {
    background: var(--slate);
    border: 1.5px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 0.9rem;
    font-family: 'Noto Sans Devanagari', 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
    text-align: left;
    width: 100%;
}

.option-btn:hover {
    border-color: var(--saffron);
    background: rgba(255,107,43,0.06);
}

.option-btn.selected {
    border-color: var(--saffron);
    background: rgba(255,107,43,0.12);
}

.option-btn.correct {
    border-color: var(--accent-green);
    background: rgba(34,197,94,0.12);
}

.option-btn.incorrect {
    border-color: var(--accent-red);
    background: rgba(239,68,68,0.12);
}

.option-btn.correct-answer {
    border-color: var(--accent-green);
    background: rgba(34,197,94,0.08);
}

.option-letter {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.option-btn.selected .option-letter {
    background: var(--saffron);
    color: white;
}

.option-btn.correct .option-letter {
    background: var(--accent-green);
    color: white;
}

.option-btn.incorrect .option-letter {
    background: var(--accent-red);
    color: white;
}

.option-text {
    flex: 1;
    line-height: 1.5;
}

/* Explanation */
.explanation {
    margin-top: 12px;
    padding: 12px 16px;
    background: rgba(34,197,94,0.06);
    border: 1px solid rgba(34,197,94,0.15);
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: none;
    font-family: 'Noto Sans Devanagari', 'Plus Jakarta Sans', sans-serif;
}

.explanation.show {
    display: block;
}

.explanation strong {
    color: var(--accent-green);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: 'Plus Jakarta Sans', 'Noto Sans Devanagari', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--saffron), var(--saffron-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255,107,43,0.3);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--slate);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* Timer Bar */
.timer-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 0;
}

.timer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.timer-display {
    font-size: 1.4rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.timer-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--saffron), var(--accent-yellow));
    transition: width 1s linear;
}

.question-counter {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.question-counter strong {
    color: var(--text-primary);
}

/* Score Display */
.score-card {
    background: linear-gradient(145deg, var(--navy-mid), var(--slate));
    border: 1px solid rgba(255,107,43,0.2);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.score-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--saffron), var(--accent-green));
}

.score-big {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -3px;
    margin: 16px 0 4px;
}

.score-big .score-val {
    color: var(--accent-green);
}

.score-big .score-total {
    color: var(--text-secondary);
    font-size: 2rem;
}

.score-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.score-label-hindi {
    font-family: 'Noto Sans Devanagari', sans-serif;
    color: var(--saffron-light);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.stat-box {
    background: var(--navy-mid);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.stat-box .stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.stat-box .stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.stat-box.green .stat-value { color: var(--accent-green); }
.stat-box.red .stat-value { color: var(--accent-red); }
.stat-box.yellow .stat-value { color: var(--accent-yellow); }

/* Section Breakdown */
.section-breakdown {
    margin-top: 32px;
}

.section-breakdown h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.section-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    background: var(--navy-mid);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 8px;
}

.section-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
}

.section-name small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    font-family: 'Noto Sans Devanagari', sans-serif;
}

.section-score {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-green);
    min-width: 60px;
    text-align: right;
}

.section-bar {
    width: 120px;
    height: 6px;
    background: var(--slate);
    border-radius: 3px;
    overflow: hidden;
}

.section-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--saffron), var(--accent-green));
    transition: width 0.8s ease;
}

/* Section Navigation (Mock Test) */
.section-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--navy-mid);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.section-nav-btn {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Noto Sans Devanagari', 'Plus Jakarta Sans', sans-serif;
}

.section-nav-btn.active {
    background: var(--saffron);
    color: white;
    border-color: var(--saffron);
}

.section-nav-btn .count {
    font-size: 0.65rem;
    opacity: 0.7;
    margin-left: 4px;
}

/* Question Grid (Mock Test Navigation) */
.question-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 6px;
    margin-bottom: 20px;
    padding: 12px;
    background: var(--navy-mid);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.q-dot {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.q-dot.current {
    border-color: var(--saffron);
    color: var(--saffron);
    background: rgba(255,107,43,0.1);
}

.q-dot.answered {
    background: var(--saffron);
    color: white;
    border-color: var(--saffron);
}

/* Footer */
.app-footer {
    padding: 24px 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    margin-top: 48px;
}

.app-footer p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.app-footer a {
    color: var(--saffron);
    text-decoration: none;
}

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--slate);
    border-top-color: var(--saffron);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Actions Row */
.actions-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* Mock Test Card (listing) */
.test-card {
    background: var(--navy-mid);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
    transition: border-color 0.3s;
    cursor: pointer;
}

.test-card:hover {
    border-color: rgba(255,107,43,0.25);
}

.test-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.test-card .hindi-name {
    font-family: 'Noto Sans Devanagari', sans-serif;
    color: var(--saffron-light);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.test-card .meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.test-card .meta-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.test-card .meta-item strong {
    color: var(--text-primary);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 20px;
}

.empty-state .emoji {
    font-size: 3rem;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile */
@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .question-card { padding: 18px; }
    .score-card { padding: 28px 20px; }
    .score-big { font-size: 3rem; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .stat-box { padding: 12px 8px; }
    .stat-box .stat-value { font-size: 1.3rem; }
    .question-grid { grid-template-columns: repeat(8, 1fr); }
    .section-nav { gap: 6px; }
    .section-nav-btn { padding: 6px 10px; font-size: 0.7rem; }
    .timer-display { font-size: 1.2rem; }
    .page-header h1 { font-size: 1.4rem; }
    .section-bar { width: 80px; }
    .nav-links a { font-size: 0.75rem; padding: 5px 8px; }
    .btn-lg { padding: 14px 24px; font-size: 0.95rem; }
    .actions-row { flex-direction: column; align-items: stretch; }
    .actions-row .btn { width: 100%; }
}