/* ===================================
   Responsive Styles for Volunteer Leaderboard
   =================================== */

/* === Tablet (max-width: 1024px) === */
@media screen and (max-width: 1024px) {
    .main-heading {
        font-size: 2.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* === Mobile (max-width: 768px) === */
@media screen and (max-width: 768px) {
    .main-heading {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

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

    .stat-card {
        padding: 20px;
    }

    .stat-value {
        font-size: 2rem;
    }

    /* Hide less important columns on mobile */
    .leaderboard-table .credentials-cell,
    .leaderboard-table .students-cell,
    .leaderboard-table .streak-cell {
        display: none;
    }

    .leaderboard-table th:nth-child(4),
    .leaderboard-table th:nth-child(5),
    .leaderboard-table th:nth-child(7) {
        display: none;
    }

    .volunteer-avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .volunteer-name {
        font-size: 1rem;
    }

    .volunteer-email {
        font-size: 0.75rem;
    }

    .action-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* === Small Mobile (max-width: 480px) === */
@media screen and (max-width: 480px) {
    .header {
        padding: 40px 15px 30px;
    }

    .main-heading {
        font-size: 1.8rem;
    }

    .container {
        padding: 10px;
    }

    .table-container {
        padding: 10px;
        border-radius: 10px;
    }

    .leaderboard-table td {
        padding: 15px 10px;
    }

    .stat-icon {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 1.8rem;
    }

    /* Further simplify table */
    .leaderboard-table .activity-cell {
        display: none;
    }

    .leaderboard-table th:nth-child(9) {
        display: none;
    }

    .impact-score {
        font-size: 1.2rem;
    }

    .rank-badge {
        font-size: 1rem;
    }
}