/* Leaderboard Responsive Styles */
.container {
    max-width: 1000px;
    margin: 1.5rem auto 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.leaderboard-section {
    width: 100%;
}

.table-container {
    margin: 0 auto;
    background: rgba(14, 30, 56, 0.85);
    border-radius: 14px;
    box-shadow: 0 5px 20px rgba(0, 194, 255, 0.10);
    border: 1.5px solid rgba(0, 194, 255, 0.18);
    padding: 24px 10px 18px 10px;
    max-height: 540px;
    overflow-y: auto;
    min-width: 320px;
}

.rankings-table th, .rankings-table td {
    color: #eaf6fb;
    padding: 1.1rem 1.2rem;
    text-align: center;
    min-width: 110px;
}

.rankings-table th {
    color: #00C2FF;
}

.rankings-table th:nth-child(2), .rankings-table td:nth-child(2) {
    text-align: left;
}

.rankings-table th:nth-child(4), .rankings-table td:nth-child(4) {
    min-width: 80px;
}

@media (max-width: 900px) {
    .leaderboard-table {
        padding: 0.5rem;
    }
    .table-header,
    .leaderboard-row {
        grid-template-columns: 60px 2fr 1fr;
        font-size: 0.95rem;
        column-gap: 0.3rem;
    }
}

@media (max-width: 600px) {
    .leaderboard-table {
        padding: 0.2rem;
    }
    .table-header,
    .leaderboard-row {
        grid-template-columns: 50px 2fr 1fr;
        font-size: 0.85rem;
        column-gap: 0.2rem;
    }
    .table-container {
        max-height: 350px;
        padding: 10px 2px 10px 2px;
    }
    .rankings-table th, .rankings-table td {
        padding: 0.8rem 0.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .language-tabs { flex-wrap: wrap; gap: 5px; }
    .language-tab { padding: 8px 16px; font-size: 1rem; }
    .user-stats-panel { flex-direction: column; gap: 16px; }
    .stat-item { padding: 12px 20px; }
    .difficulty-filter-bar { padding: 12px 0; }
    .filter-container { flex-wrap: wrap; gap: 10px; }
    .difficulty-filter { padding: 8px 16px; font-size: 0.9rem; }
}

@media (max-width: 360px) {
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.9rem; }
    .language-tab { padding: 6px 12px; font-size: 0.9rem; }
    .stat-item { padding: 10px 16px; }
    .stat-value { font-size: 1.1rem; }
    .difficulty-filter { padding: 6px 12px; font-size: 0.85rem; }
    .leaderboard-table { padding: 0.1rem; }
    .table-header, .leaderboard-row { font-size: 0.8rem; }
}