.dnd-student-sessions-block {
    font-family: Arial, sans-serif;
    max-width: 100%;
    margin: 0 auto;
}

.dnd-student-sessions-block h3 {
    color: #333;
    margin-bottom: 20px;
}

.dnd-total-hours {
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    text-align: center;
}

.dnd-sessions-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.dnd-filter-btn {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: #f9f9f9;
    color: #333;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.dnd-filter-btn.active {
    background: #007cba;
    color: white;
    border-color: #007cba;
}

.dnd-filter-btn:hover {
    background: #e9e9e9;
}

.dnd-filter-btn.active:hover {
    background: #005a87;
}

.dnd-per-page-filter {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dnd-per-page-filter label {
    font-weight: 500;
    color: #333;
}

.dnd-per-page-filter select {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    font-size: 14px;
}

.dnd-student-sessions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dnd-session-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dnd-session-teacher {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
    color: #333;
}

.dnd-session-status {
    font-size: 14px;
    margin-bottom: 8px;
}

.dnd-session-status.pending {
    color: #ffc107;
}

.dnd-session-status.confirmed {
    color: #28a745;
}

.dnd-session-status.completed {
    color: #6c757d;
}

.dnd-session-status.cancelled {
    color: #dc3545;
}

.dnd-session-time {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.dnd-session-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.dnd-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
}

.dnd-btn-cancel {
    background: #dc3545;
    color: white;
}

.dnd-btn-cancel:hover {
    background: #c82333;
}

.dnd-btn-join {
    background: #28a745;
    color: white;
}

.dnd-btn-join:hover {
    background: #218838;
}

.dnd-btn-rate {
    background: #ffc107;
    color: #212529;
}

.dnd-btn-rate:hover {
    background: #e0a800;
}

.dnd-btn-feedback {
    background: #17a2b8;
    color: white;
}

.dnd-btn-feedback:hover {
    background: #138496;
}

.dnd-feedback-display {
    margin-top: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-left: 4px solid #17a2b8;
    font-style: italic;
    color: #495057;
}

.dnd-cancelled-note {
    margin-top: 10px;
    color: #dc3545;
    font-weight: bold;
}

.dnd-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: 20px;
}

.dnd-page-link {
    padding: 8px 12px;
    border: 1px solid #dee2e6;
    background: #fff;
    color: #007cba;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
}

.dnd-page-link:hover {
    background: #007cba;
    color: #fff;
    border-color: #007cba;
}

.dnd-page-link.active {
    background: #007cba;
    color: #fff;
    border-color: #007cba;
}

.dnd-page-dots {
    padding: 8px 12px;
    color: #6c757d;
}

.dnd-loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.dnd-student-sessions-preview {
    border: 1px dashed #ccc;
    padding: 15px;
    background: #f9f9f9;
}

.dnd-session-sample {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    background: #fff;
    margin-top: 10px;
}