/* ==========================================================================
   Public Exam Ranking / Leaderboard Styles
   ========================================================================== */

.exam-rank-hero-card {
    background: var(--surface-card);
    border: 1.5px solid var(--color-border);
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

.exam-rank-title {
    font-size: 1.75rem;
    color: var(--color-text-main);
    line-height: 1.35;
}

/* Stat Cards */
.exam-rank-stat-card {
    background: var(--surface-card);
    border: 1.5px solid var(--color-border);
    border-radius: 1.25rem;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease;
}

.exam-rank-stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.stat-icon-circle--users  { background: rgba(37, 99, 235, 0.1); color: var(--brand-primary); }
.stat-icon-circle--trophy { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.stat-icon-circle--avg    { background: rgba(14, 165, 233, 0.1); color: #0ea5e9; }
.stat-icon-circle--pass   { background: rgba(16, 185, 129, 0.1); color: #10b981; }

.stat-card-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 0.2rem;
}

.stat-card-val {
    font-size: 1.35rem;
    color: var(--color-text-main);
}

/* Top 3 Podium Cards */
.podium-card {
    background: var(--surface-card);
    border: 2px solid var(--color-border);
    border-radius: 1.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.podium-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
}

.podium-card--gold {
    border-color: #f59e0b;
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, var(--surface-card) 40%);
    box-shadow: 0 12px 32px rgba(245, 158, 11, 0.15);
    transform: translateY(-8px);
}

.podium-card--silver {
    border-color: #94a3b8;
    background: linear-gradient(180deg, rgba(148, 163, 184, 0.08) 0%, var(--surface-card) 40%);
}

.podium-card--bronze {
    border-color: #d97706;
    background: linear-gradient(180deg, rgba(217, 119, 6, 0.08) 0%, var(--surface-card) 40%);
}

.podium-badge-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.podium-score-box {
    background: var(--body-bg);
    border: 1px solid var(--color-border);
    border-radius: 50rem;
    padding: 0.4rem 1rem;
    display: inline-block;
}

/* Leaderboard Table Card */
.exam-rank-table-card {
    background: var(--surface-card);
    border: 1.5px solid var(--color-border);
    border-radius: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
}

.exam-leaderboard-table {
    border-collapse: separate;
    border-spacing: 0 0.4rem;
}

.exam-leaderboard-table thead th {
    background: var(--body-bg);
    border: none;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    padding: 0.85rem 1rem;
}

.exam-leaderboard-table thead th:first-child { border-radius: 0.75rem 0 0 0.75rem; }
.exam-leaderboard-table thead th:last-child  { border-radius: 0 0.75rem 0.75rem 0; }

.exam-leaderboard-table tbody tr {
    background: var(--surface-card);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    transition: background 0.15s ease;
}

.exam-leaderboard-table tbody tr:hover {
    background: rgba(37, 99, 235, 0.03);
}

.exam-leaderboard-table tbody td {
    padding: 1rem;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.exam-leaderboard-table tbody td:first-child {
    border-left: 1px solid var(--color-border);
    border-radius: 0.85rem 0 0 0.85rem;
}

.exam-leaderboard-table tbody td:last-child {
    border-right: 1px solid var(--color-border);
    border-radius: 0 0.85rem 0.85rem 0;
}

/* Rank Badges */
.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 50rem;
}

.rank-badge--gold   { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.rank-badge--silver { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }
.rank-badge--bronze { background: #ffedd5; color: #9a3412; border: 1px solid #fed7aa; }
.rank-badge--standard { background: var(--body-bg); color: var(--color-text-muted); border: 1px solid var(--color-border); }

.student-avatar-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), #1e40af);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Top 3 Row highlights */
.row-rank-gold td   { background: rgba(245, 158, 11, 0.04); }
.row-rank-silver td { background: rgba(148, 163, 184, 0.04); }
.row-rank-bronze td { background: rgba(217, 119, 6, 0.04); }

/* ──────────────────────────────────────────────────────────────────────────
   Dark Mode Overrides
   ────────────────────────────────────────────────────────────────────────── */
[data-theme="dark"] .exam-rank-hero-card,
[data-theme="dark"] .exam-rank-stat-card,
[data-theme="dark"] .podium-card,
[data-theme="dark"] .exam-rank-table-card,
[data-theme="dark"] .exam-leaderboard-table tbody tr {
    background: var(--surface-card);
    border-color: var(--color-border);
}

[data-theme="dark"] .exam-rank-title,
[data-theme="dark"] .stat-card-val,
[data-theme="dark"] .exam-leaderboard-table strong.text-dark {
    color: #ffffff !important;
}

[data-theme="dark"] .exam-leaderboard-table thead th,
[data-theme="dark"] .podium-score-box {
    background: var(--body-bg);
    border-color: var(--color-border);
}

[data-theme="dark"] .rank-badge--gold   { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border-color: rgba(245, 158, 11, 0.4); }
[data-theme="dark"] .rank-badge--silver { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; border-color: rgba(148, 163, 184, 0.4); }
[data-theme="dark"] .rank-badge--bronze { background: rgba(217, 119, 6, 0.2); color: #f97316; border-color: rgba(217, 119, 6, 0.4); }