@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap");

:root {
    /* UP Police Theme */
    --navy: #0f2744;
    --navy-hover: #1a3a5c;
    --navy-light: #2a4a6e;
    --gold: #c8a84b;
    --gold-light: #e8d5a0;
    --gold-dark: #a8883b;
    --accent: #2e7d32;

    /* Neutrals */
    --surface: #f4f6f8;
    --surface-app: #eef2f7;
    --surface-lowest: #ffffff;
    --surface-low: #f8fafc;
    --surface-container: #f0f4f8;
    --surface-high: #e2e8f0;
    --surface-highest: #d1d9e6;
    --on-surface: #1a1a2e;
    --on-surface-variant: #5a6478;
    --outline: #8a96a8;
    --outline-variant: #d1d9e6;

    /* Semantic */
    --success: #228b22;
    --success-soft: #d4edda;
    --warning: #e6a817;
    --warning-soft: #fff8e1;
    --danger: #dc143c;
    --danger-soft: #ffe0e6;

    /* Branding */
    --primary-color: var(--navy);
    --primary-hover: var(--navy-hover);
    --primary-light: var(--navy-light);
    --primary-soft: #dce8f4;
    --accent-color: var(--gold);
    --accent-soft: var(--gold-light);

    /* Shadows */
    --shadow-card: 0 4px 20px -4px rgba(15, 39, 68, 0.10), 0 2px 10px -4px rgba(15, 39, 68, 0.06);
    --shadow-elevated: 0 10px 30px -6px rgba(15, 39, 68, 0.14), 0 4px 14px -4px rgba(15, 39, 68, 0.08);
    --shadow-soft: 0 4px 14px rgba(15, 39, 68, 0.08);
    --focus-ring: 0 0 0 4px rgba(15, 39, 68, 0.10);

    /* Spacing */
    --content-max: 1280px;
    --content-narrow: 760px;
    --gutter: 24px;
    --radius-sm: 8px;
    --border-radius: 12px;
    --radius-lg: 16px;
}

* { box-sizing: border-box; }

html, body {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(15, 39, 68, 0.04), transparent 32rem),
        var(--surface-app);
    color: var(--on-surface);
    font-size: 16px;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
    margin-bottom: 8px;
    font-size: clamp(1.6rem, 2vw, 2rem);
    line-height: 1.2;
    font-weight: 700;
    color: var(--navy);
}

h2 {
    margin-bottom: 12px;
    font-size: 1.5rem;
    line-height: 1.3;
    font-weight: 700;
}

h3 {
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.4;
    font-weight: 700;
}

p { color: var(--on-surface-variant); }

hr {
    border: 0;
    border-top: 1px solid var(--outline-variant);
    margin: 18px 0;
}

.material-symbols-outlined {
    display: inline-block;
    vertical-align: middle;
    font-family: "Material Symbols Outlined";
    font-weight: normal;
    font-style: normal;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: "liga";
    -webkit-font-smoothing: antialiased;
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}

/* Container & Layout */
.container {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 32px;
}

/* Header / Navbar */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--outline-variant);
    box-shadow: 0 4px 20px -4px rgba(15, 39, 68, 0.06);
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--content-max);
    min-height: 64px;
    margin: 0 auto;
    padding: 0 32px;
    gap: 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--navy);
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

#nav-links, .action-buttons, .quiz-actions, .pagination {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Buttons */
.btn, button, input[type="submit"] {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-compact {
    min-height: 30px;
    padding: 4px 9px;
    font-size: 12px;
}

.btn:hover, button:hover, input[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn:active, button:active, input[type="submit"]:active {
    transform: translateY(0) scale(0.98);
}

.btn:disabled, button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}

.btn-primary {
    background: var(--navy);
    color: #fff;
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.15), 0 6px 16px rgba(15, 39, 68, 0.18);
}

.btn-primary:hover { background: var(--navy-hover); }

.btn-accent {
    background: var(--gold);
    color: var(--navy);
    box-shadow: inset 0 -2px 0 rgba(0,0,0,0.12), 0 6px 16px rgba(200, 168, 75, 0.22);
}

.btn-accent:hover { background: var(--gold-dark); }

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.1);
}

.btn-warning {
    background: var(--warning-soft);
    color: #92600a;
    border-color: rgba(200, 169, 25, 0.3);
}

.btn:not(.btn-primary):not(.btn-danger):not(.btn-accent):not(.btn-warning) {
    background: var(--surface);
    color: var(--navy);
    border-color: var(--outline-variant);
}

/* Cards */
.card, .dashboard-section, .auth-container {
    background: var(--surface-lowest);
    padding: 24px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-elevated);
    transform: translateY(-1px);
}

.card h3, .dashboard-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--navy);
}

/* Grid layouts */
.dashboard-grid, .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--gutter);
    margin-bottom: var(--gutter);
}

/* Hero */
.hero-panel {
    max-width: 860px;
    margin: 44px auto 0;
    text-align: center;
}

.hero-panel h1 {
    margin-bottom: 14px;
    color: var(--navy);
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    line-height: 1.05;
    font-weight: 800;
}

.hero-panel p {
    max-width: 680px;
    margin: 0 auto 28px;
    font-size: 1.125rem;
    line-height: 1.6;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--gold-light);
    color: var(--gold-dark);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.feature-grid { margin-top: 48px; }

/* App shell / sidebar */
.app-shell { min-height: calc(100vh - 65px); display: flex; }

.side-nav {
    position: sticky;
    top: 65px;
    width: 256px;
    height: calc(100vh - 65px);
    flex: 0 0 256px;
    padding: 24px 16px;
    border-right: 1px solid var(--outline-variant);
    background: var(--navy);
    overflow-y: auto;
}

.side-nav-title {
    margin-bottom: 28px;
    padding: 0 8px;
}

.side-nav-title strong {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.1rem;
}

.side-nav-title strong img {
    height: 36px;
    width: auto;
}

.side-nav-title span {
    display: block;
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    font-weight: 600;
    padding-left: 46px;
    margin-top: 4px;
}

.side-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

.side-nav a .material-symbols-outlined {
    color: rgba(255,255,255,0.5);
    transition: color 0.2s ease;
}

.side-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.side-nav a:hover .material-symbols-outlined { color: var(--gold); }

.side-nav a.is-active {
    background: rgba(200, 168, 75, 0.15);
    color: var(--gold);
    border-left: 3px solid var(--gold);
    padding-left: 9px;
}

.side-nav a.is-active .material-symbols-outlined { color: var(--gold); }

.page-canvas {
    flex: 1;
    width: 100%;
    min-width: 0;
    padding: 32px;
}

/* Page header */
.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.page-kicker {
    margin-bottom: 8px;
    color: var(--gold-dark);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-subtitle {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--on-surface-variant);
}

/* Stats / KPI */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--surface-lowest);
    padding: 20px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
    border-left: 4px solid var(--gold);
}

.kpi-card:hover {
    box-shadow: var(--shadow-elevated);
    transform: translateY(-2px);
}

.kpi-card span {
    display: block;
    color: var(--on-surface-variant);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.kpi-card strong {
    display: inline;
    margin-top: 8px;
    color: var(--navy);
    font-size: 2rem;
    line-height: 1.1;
}

/* Panel titles */
.panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 1.1rem;
    color: var(--navy);
}

/* Card accents */
.card-accent {
    border-left: 4px solid var(--gold);
}

/* Hero actions */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Result layout */
.result-layout {
    display: grid;
    grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
    gap: var(--gutter);
    align-items: start;
}

.score-panel { text-align: center; }

.dashboard-grid .card p[id],
#total-quizzes, #total-polls, #admin-total-quizzes,
#stat-count, #stat-avg {
    color: var(--navy);
    font-size: 2rem;
    line-height: 1.2;
    font-weight: 800;
}

/* Tables */
.table-container {
    max-height: 560px;
    overflow: auto;
    background: var(--surface-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 680px;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--outline-variant);
    vertical-align: middle;
}

th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--surface-container);
    color: var(--navy);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

tbody tr { transition: background 0.15s ease; }
tbody tr:hover { background: var(--surface-low); }
tbody tr:last-child td { border-bottom: 0; }

/* Forms */
.form-input, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
    width: 100%;
    min-height: 44px;
    margin-bottom: 12px;
    padding: 10px 12px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--on-surface);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

textarea {
    min-height: 92px;
    resize: vertical;
}

.form-input:focus, input:focus, select:focus, textarea:focus {
    border-color: var(--navy);
    box-shadow: var(--focus-ring);
    outline: none;
}

/* Quiz layout */
.quiz-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--gutter);
    align-items: start;
    margin-top: 16px;
}

.quiz-sidebar {
    position: sticky;
    top: 88px;
    padding: 24px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--border-radius);
    background: var(--surface-lowest);
    box-shadow: var(--shadow-card);
}

.status-stat {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--on-surface-variant);
    font-weight: 700;
}

.stat-attempted { color: var(--success); }
.stat-skipped { color: var(--danger); }
.stat-review { color: var(--warning); }

/* Timer */
.timer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    padding: 10px 14px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    background: var(--surface-container);
    color: var(--danger);
    font-size: 1.25rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

#quiz-container {
    max-width: var(--content-narrow);
    margin: 0 auto;
    border-left: 4px solid var(--gold);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

#progress {
    color: var(--navy);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.question-text {
    margin-bottom: 20px;
    color: var(--on-surface);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.55;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 15px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--border-radius);
    background: #fff;
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: all 0.2s ease;
}

.option-item:hover {
    background: var(--surface-low);
    border-color: var(--navy-light);
    transform: translateY(-1px);
}

.option-item input[type="radio"] {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--navy);
    cursor: pointer;
}

.option-item.selected,
.option-item:has(input[type="radio"]:checked) {
    border-color: var(--navy);
    background: var(--primary-soft);
    color: var(--navy);
    box-shadow: 0 0 0 1px rgba(15, 39, 68, 0.12);
}

.quiz-actions {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--outline-variant);
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    gap: 12px;
    flex-wrap: wrap;
}

/* Results */
#score-circle {
    margin: 12px 0;
    color: var(--navy) !important;
    font-size: clamp(3rem, 7vw, 4.5rem) !important;
    line-height: 1;
    font-weight: 800;
}

.result-summary { text-align: center; }

.chart-wrap { max-width: 300px; margin: 0 auto; }

#breakdown-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.is-correct { border-left: 5px solid var(--success); }
.is-incorrect { border-left: 5px solid var(--danger); }

.text-success { color: var(--success); font-weight: 700; }
.text-danger { color: var(--danger); font-weight: 700; }

/* Admin card accent */
#admin-stats-card {
    border-color: var(--surface-high) !important;
    background: #fff !important;
    margin-bottom: 20px;
}

/* Toast */
#toast-container {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    max-width: min(420px, calc(100vw - 32px));
    padding: 14px 18px;
    background: rgba(26, 26, 46, 0.92);
    color: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-card);
    animation: fadeIn 0.22s ease;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 39, 68, 0.35);
    backdrop-filter: blur(8px);
}

.modal > .card {
    width: min(560px, 100%);
    max-height: calc(100vh - 40px);
    overflow: auto;
}

.confirm-card { width: min(400px, 100%); }

.confirm-actions { justify-content: flex-end; }

/* Auth container */
.auth-container {
    width: min(440px, calc(100% - 32px));
    margin: 10vh auto;
    padding: 32px;
    text-align: center;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid var(--outline-variant);
}

.auth-container h1 { color: var(--navy); }

/* Dashboard */
.user-dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--gutter);
    margin-top: 28px;
    align-items: start;
}

.dashboard-list {
    max-height: 620px;
    overflow-y: auto;
    padding-right: 6px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dashboard-list .card { box-shadow: none; background: var(--surface-lowest); }

.pagination { margin-top: 20px; justify-content: center; }

.pagination .btn:not(.btn-primary) {
    min-width: 40px;
    padding-inline: 12px;
    background: var(--surface-lowest);
}

.navigation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.form-card, .table-spaced, .stack-actions { margin-top: 20px; }

.single-action { grid-template-columns: 1fr; margin-bottom: 20px; }

.option-row { display: flex; gap: 8px; margin-bottom: 8px; }

.poll-results {
    margin-top: 10px;
    color: var(--on-surface-variant);
    font-size: 14px;
}

.compact-list {
    max-height: none;
    gap: 6px;
    margin-top: 10px;
}

.option-item-compact {
    padding: 10px;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 900px) {
    .app-shell { display: block; }
    .side-nav {
        position: static;
        width: auto;
        height: auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 8px;
        padding: 16px;
        border-right: 0;
        border-bottom: 1px solid var(--outline-variant);
        background: var(--navy);
    }
    .side-nav-title {
        grid-column: 1 / -1;
        margin-bottom: 6px;
    }
    .page-canvas { padding: 20px 16px; }
    .page-header {
        align-items: stretch;
        flex-direction: column;
    }
    .container { padding: 24px 16px; }
    nav { padding: 0 16px; }
    .user-dashboard-grid,
    .quiz-layout { grid-template-columns: 1fr; }
    .quiz-sidebar { position: static; }
    .navigation-grid { grid-template-columns: 1fr; }
    .result-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    h1 { font-size: 1.5rem; }
    .logo { font-size: 1.05rem; }
    #nav-links { justify-content: flex-end; }
    .btn, button, input[type="submit"] { padding-inline: 12px; }
    .card, .dashboard-section, .auth-container { padding: 20px; }
    .quiz-footer > * { flex: 1 1 auto; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.side-nav a { animation: slideIn 0.3s ease backwards; }
.side-nav a:nth-child(1) { animation-delay: 0.05s; }
.side-nav a:nth-child(2) { animation-delay: 0.08s; }
.side-nav a:nth-child(3) { animation-delay: 0.11s; }
.side-nav a:nth-child(4) { animation-delay: 0.14s; }
.side-nav a:nth-child(5) { animation-delay: 0.17s; }
.side-nav a:nth-child(6) { animation-delay: 0.20s; }

/* Scrollbar styling */
.side-nav::-webkit-scrollbar { width: 4px; }
.side-nav::-webkit-scrollbar-track { background: transparent; }
.side-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}

.dashboard-list::-webkit-scrollbar { width: 4px; }
.dashboard-list::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar { width: 6px; height: 6px; }
.table-container::-webkit-scrollbar-thumb {
    background: var(--outline);
    border-radius: 3px;
}

/* Result Analytics Page */
.user-analytics-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 24px;
}

.user-profile-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-avatar-large {
    position: relative;
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.user-avatar-large img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gold);
    display: none;
}

.avatar-initials {
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gold);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    border: 3px solid var(--gold);
}

.user-info h2 {
    margin: 0 0 4px 0;
    font-size: 1.5rem;
}

.user-email {
    color: var(--on-surface-variant);
    margin: 0 0 8px 0;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-soft);
    color: var(--navy);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-stats-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid var(--outline-variant);
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-low);
    border-radius: var(--radius-sm);
    flex: 1;
    min-width: 150px;
}

.stat-icon {
    font-size: 24px;
    color: var(--gold);
}

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

.stat-label {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-content strong {
    font-size: 1rem;
    color: var(--navy);
}

.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.score-card, .performance-card {
    display: flex;
    flex-direction: column;
    min-height: 380px;
}

.score-card {
    text-align: center;
}

.score-card .chart-container {
    flex: 1;
    min-height: 200px;
}

.score-card h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.score-display {
    margin-bottom: 20px;
}

.score-percentage {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}

.score-display p {
    color: var(--on-surface-variant);
    margin-top: 8px;
}

.chart-container {
    height: 300px;
    display: flex;
    justify-content: center;
}

.performance-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.metric-icon {
    display: block;
    font-size: 28px;
    margin-bottom: 8px;
}

.metric {
    text-align: center;
    padding: 16px 8px;
    background: var(--surface-low);
    border-radius: var(--radius-sm);
    border: 1px solid var(--outline-variant);
    transition: all 0.2s ease;
}

.metric:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
    border-color: var(--gold);
}

.metric-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.65rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.performance-summary {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--outline-variant);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.summary-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    min-width: 100px;
}

.progress-bar {
    flex: 1;
    height: 10px;
    background: var(--surface-high);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--gold));
    border-radius: 5px;
    transition: width 0.5s ease;
}

.summary-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--navy);
    min-width: 45px;
    text-align: right;
}

.gold-fill {
    background: linear-gradient(90deg, var(--navy), var(--gold));
}

.performance-insights {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--outline-variant);
}

.insight-row {
    display: flex;
    gap: 16px;
}

.insight-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: var(--surface-low);
    border-radius: var(--radius-sm);
    border: 1px solid var(--outline-variant);
}

.insight-icon {
    font-size: 32px;
    color: var(--gold);
}

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

.insight-title {
    font-size: 0.7rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.insight-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
}

.metrics-2x4 {
    grid-template-columns: repeat(4, 1fr);
}

.breakdown-card {
    grid-column: 1 / -1;
}

.breakdown-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.breakdown-item {
    padding: 16px;
    background: var(--surface-low);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--surface-high);
}

.breakdown-item.is-correct {
    border-left-color: var(--success);
    background: var(--success-soft);
}

.breakdown-item.is-incorrect {
    border-left-color: var(--danger);
    background: var(--danger-soft);
}

.breakdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.question-number {
    font-weight: 700;
    color: var(--navy);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.status-badge.incorrect {
    background: var(--danger);
    color: white;
}

.status-badge .material-symbols-outlined {
    font-size: 16px;
}

.question-text {
    margin: 8px 0;
    font-weight: 500;
}

.answer-row {
    display: flex;
    gap: 8px;
    font-size: 0.875rem;
    margin-top: 4px;
}

.answer-label {
    color: var(--on-surface-variant);
}

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

.options-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--outline-variant);
}

.option-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    background: var(--surface-lowest);
    border: 1px solid var(--outline-variant);
    font-size: 0.8125rem;
}

.option-tag.is-correct-answer {
    background: var(--success-soft);
    border-color: var(--success);
}

.option-tag.is-correct-answer .option-letter {
    background: var(--success);
    color: white;
}

.option-tag.is-wrong-selection {
    background: var(--danger-soft);
    border-color: var(--danger);
}

.option-tag.is-wrong-selection .option-letter {
    background: var(--danger);
    color: white;
}

.option-tag .material-symbols-outlined {
    font-size: 16px;
    margin-left: auto;
}

.option-tag.is-correct-answer .material-symbols-outlined {
    color: var(--success);
}

.option-tag.is-wrong-selection .material-symbols-outlined {
    color: var(--danger);
}

.option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--surface-high);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.option-text {
    color: var(--on-surface);
}

@media (max-width: 768px) {
    .user-profile-section {
        flex-direction: column;
        text-align: center;
    }

    .user-stats-row {
        justify-content: center;
    }

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

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* ==================== AI Coach ==================== */
.coach-action-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--outline-variant);
}
.coach-hint {
    font-size: 0.8rem;
    color: var(--on-surface-variant);
}
.coach-modal .card {
    padding: 0;
    overflow: hidden;
}
.coach-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--outline-variant);
    background: var(--surface-low);
    position: sticky;
    top: 0;
    z-index: 1;
}
.coach-modal-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    color: var(--navy);
    margin: 0;
}
#coach-content { padding: 24px; }
.coach-section { margin-bottom: 32px; }
.coach-section:last-child { margin-bottom: 0; }
.coach-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    color: var(--navy);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gold);
}
.coach-section-desc {
    color: var(--on-surface-variant);
    font-size: 0.9rem;
    margin-bottom: 16px;
}
.coach-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
}
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--outline-variant);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.coach-loading p {
    color: var(--on-surface-variant);
    font-size: 0.95rem;
}
.coach-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    text-align: center;
}
.coach-error h3 {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.coach-explanation {
    background: var(--surface-low);
    border: 1px solid var(--outline-variant);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}
.coach-exp-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}
.coach-exp-question {
    font-weight: 600;
    color: var(--navy);
    line-height: 1.4;
}
.coach-exp-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
}
.coach-exp-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
}
.coach-exp-label {
    color: var(--on-surface-variant);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}
.coach-exp-explanation {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--on-surface);
}
.coach-exp-explanation .material-symbols-outlined {
    color: var(--gold);
    flex-shrink: 0;
}
.coach-exp-explanation p { margin: 0; }
.badge-danger {
    background: var(--danger);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}
.badge-accent {
    background: var(--gold);
    color: var(--navy);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}
.badge-outline {
    border: 1px solid var(--outline);
    color: var(--on-surface-variant);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.coach-plan-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.coach-plan-section h4 {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--navy);
    margin-bottom: 10px;
}
.coach-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.coach-tag {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}
.coach-tag-weak {
    background: var(--danger-soft);
    color: var(--danger);
}
.coach-tag-strong {
    background: var(--success-soft);
    color: var(--success);
}
.coach-recommendations {
    background: var(--surface-low);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}
.coach-recommendations h4 {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--navy);
    margin-bottom: 10px;
}
.coach-recommendations ul {
    margin: 0;
    padding-left: 20px;
}
.coach-recommendations li {
    margin-bottom: 6px;
    font-size: 0.9rem;
    line-height: 1.5;
}
.coach-study-hours {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--primary-soft);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--navy);
}
.mini-quiz-question {
    background: var(--surface-low);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}
.mini-quiz-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}
.mini-quiz-text {
    font-weight: 600;
    color: var(--navy);
    line-height: 1.4;
}
.mini-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mini-quiz-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}
.mini-quiz-option:hover:not(:disabled) {
    background: var(--primary-soft);
    border-color: var(--navy-light);
}
.mini-quiz-option:disabled {
    cursor: default;
    opacity: 0.8;
}
.mini-quiz-option .option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}
.mq-option-correct {
    background: var(--success-soft) !important;
    border-color: var(--success) !important;
}
.mq-option-correct .option-letter { background: var(--success); }
.mq-option-wrong {
    background: var(--danger-soft) !important;
    border-color: var(--danger) !important;
}
.mq-option-wrong .option-letter { background: var(--danger); }
.mini-quiz-feedback {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
}
.mq-correct {
    background: var(--success-soft);
    border: 1px solid var(--success);
}
.mq-incorrect {
    background: var(--danger-soft);
    border: 1px solid var(--danger);
}
.mq-feedback-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.mq-correct-answer {
    margin-left: auto;
    font-size: 0.85rem;
}
.mq-explanation {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--on-surface);
}
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
@media (max-width: 768px) {
    .coach-plan-grid { grid-template-columns: 1fr; }
    .coach-action-row { flex-direction: column; align-items: flex-start; }
    .coach-exp-detail { flex-direction: column; gap: 8px; }
}