.leaderboard-page { max-width: 960px; margin: 0 auto; }

.leaderboard-hero {
    margin-bottom: 24px;
}

.leaderboard-hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #ff7a00, #ff4d94);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.leaderboard-kicker {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.leaderboard-hero h1 {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 8px;
}

.leaderboard-hero p { color: var(--text-muted); font-size: 15px; }

.leaderboard-my-campus {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px 18px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(123, 47, 247, 0.08), rgba(255, 77, 148, 0.06));
    border: 1px solid rgba(123, 47, 247, 0.2);
    border-radius: var(--radius-md);
}

.leaderboard-my-campus-main {
    display: flex;
    align-items: center;
    gap: 14px;
}

.leaderboard-my-campus-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.leaderboard-my-campus em {
    font-style: normal;
    font-weight: 800;
    color: var(--primary);
}

.leaderboard-recruit-hint {
    margin-bottom: 20px;
    padding: 14px 18px;
    font-size: 14px;
    color: var(--text-muted);
}

.leaderboard-recruit {
    display: flex;
    gap: 16px;
    margin-top: 28px;
    padding: 22px;
    background: linear-gradient(135deg, rgba(255, 122, 0, 0.06), rgba(123, 47, 247, 0.06));
    border-color: rgba(255, 122, 0, 0.25);
}

.leaderboard-recruit-icon { font-size: 36px; line-height: 1; flex-shrink: 0; }
.leaderboard-recruit-body h2 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.leaderboard-recruit-body p { color: var(--text-muted); font-size: 14px; margin-bottom: 12px; }

.leaderboard-recruit-link-wrap {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.leaderboard-recruit-link {
    flex: 1;
    min-width: 200px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    font-size: 13px;
}

.leaderboard-recruit-tip {
    font-size: 12px;
    margin-bottom: 0 !important;
}

.leaderboard-recruit-tip a { font-weight: 700; }

.leaderboard-recruit--guest .leaderboard-recruit-body p { margin-bottom: 16px; }

.leaderboard-my-campus-icon { font-size: 28px; line-height: 1; }
.leaderboard-my-campus strong { display: block; font-size: 15px; margin-bottom: 2px; }
.leaderboard-my-campus span { font-size: 13px; color: var(--text-muted); }
.leaderboard-my-campus .btn-secondary { margin-left: auto; flex-shrink: 0; }

.leaderboard-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.leaderboard-metric-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.15s;
}

.leaderboard-metric-tab:hover { border-color: var(--primary); color: var(--primary); }
.leaderboard-metric-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
}

.leaderboard-periods {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.leaderboard-period-pill {
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--background);
    border: 1px solid var(--border);
}

.leaderboard-period-pill.active {
    background: rgba(123, 47, 247, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.leaderboard-podium {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 12px;
    align-items: end;
    margin-bottom: 28px;
}

.leaderboard-podium-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 14px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.leaderboard-podium-item--1 {
    order: 2;
    min-height: 220px;
    border-color: rgba(255, 193, 7, 0.45);
    background: linear-gradient(180deg, rgba(255, 214, 0, 0.08), var(--surface));
}

.leaderboard-podium-item--2 { order: 1; min-height: 190px; }
.leaderboard-podium-item--3 { order: 3; min-height: 175px; }

.leaderboard-podium-rank {
    font-size: 11px;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.leaderboard-podium-name {
    font-size: 18px !important;
}

.leaderboard-podium-medal { font-size: 28px; line-height: 1; margin-bottom: 8px; }

.leaderboard-podium-avatar {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.leaderboard-podium-item--1 .leaderboard-podium-avatar {
    width: 64px;
    height: 64px;
    font-size: 28px;
}

.leaderboard-podium-item strong {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 4px;
    line-height: 1.2;
}

.leaderboard-podium-score {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.leaderboard-podium-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.leaderboard-list-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.leaderboard-list-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.leaderboard-list-head h2 { font-size: 18px; font-weight: 800; }
.leaderboard-list-head span { font-size: 13px; color: var(--text-muted); }

.leaderboard-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.leaderboard-row {
    display: grid;
    grid-template-columns: 36px 44px 1fr auto auto;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.leaderboard-row--top .leaderboard-campus-name {
    font-size: 17px;
}

.leaderboard-rank-num {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.leaderboard-row--top .leaderboard-rank-num {
    color: var(--primary);
    font-size: 20px;
}

.leaderboard-campus-name {
    display: block;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 2px;
}

.leaderboard-campus-sub {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-row:last-child { border-bottom: none; }
.leaderboard-row.is-mine {
    background: rgba(123, 47, 247, 0.05);
}

.leaderboard-rank {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-muted);
    text-align: center;
}

.leaderboard-campus-info strong {
    display: block;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 2px;
}

.leaderboard-campus-info span {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.leaderboard-campus-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
}

.leaderboard-campus-info { min-width: 0; }

.leaderboard-campus-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.leaderboard-stat {
    font-size: 12px;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--background);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.leaderboard-stat-primary {
    background: rgba(123, 47, 247, 0.08);
    border-color: rgba(123, 47, 247, 0.2);
    color: var(--primary);
}

.leaderboard-stat small {
    font-weight: 600;
    opacity: 0.8;
    margin-left: 2px;
}

.leaderboard-view-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

.leaderboard-empty {
    text-align: center;
    padding: 48px 24px;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
}

.leaderboard-empty-icon { font-size: 48px; display: block; margin-bottom: 12px; }
.leaderboard-empty h2 { font-size: 20px; margin-bottom: 8px; }
.leaderboard-empty p { color: var(--text-muted); margin-bottom: 20px; }

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

    .leaderboard-podium-item,
    .leaderboard-podium-item--1,
    .leaderboard-podium-item--2,
    .leaderboard-podium-item--3 {
        order: unset;
        min-height: auto;
    }

    .leaderboard-row {
        grid-template-columns: 40px 40px 1fr;
        grid-template-rows: auto auto;
    }

    .leaderboard-campus-stats,
    .leaderboard-view-link {
        grid-column: 1 / -1;
    }

    .leaderboard-view-link { justify-self: start; }
}