/* Thừa hưởng các biến từ :root ở trangchu.css */

.leaderboard-header {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(180deg, rgba(161, 255, 206, 0.05) 0%, transparent 100%);
}

.table-container {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    margin: 20px auto;
    overflow-x: auto; /* Quan trọng để mobile không vỡ */
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px; /* Giữ bảng đủ rộng để đọc */
}

th {
    background: rgba(255,255,255,0.02);
    padding: 18px;
    text-align: left;
    color: var(--text-dim);
    font-size: 0.8rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}

td { padding: 16px; border-bottom: 1px solid var(--border); }

/* Rank Highlights */
.rank-1 { color: #ffd700; font-weight: 800; font-size: 1.2rem; text-shadow: 0 0 10px rgba(255,215,0,0.3); }
.rank-2 { color: #c0c0c0; font-weight: 700; }
.rank-3 { color: #cd7f32; font-weight: 700; }

.page-link {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: 6px;
    text-decoration: none;
    transition: 0.3s;
}

.page-link.active { background: var(--primary); color: #000; border-color: var(--primary); }