/**
 * Tab Navigation Styles
 * Enhanced styling for tab navigation components
 */

/* Record Detail Tabs */
.record-detail-tabs {
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 1.5rem;
}

.record-detail-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: #6c757d;
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background: transparent;
    position: relative;
}

.record-detail-tabs .nav-link:hover {
    color: #495057;
    border-bottom-color: #e9ecef;
    background-color: #f8f9fa;
}

.record-detail-tabs .nav-link.active {
    color: #0d6efd;
    border-bottom-color: #0d6efd;
    background-color: transparent;
}

.record-detail-tabs .nav-link i {
    font-size: 1.1rem;
    vertical-align: middle;
}

/* Tab content animation */
.tab-content > .tab-pane {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content > .tab-pane.show {
    display: block;
}

.tab-content > .tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsive tabs */
@media (max-width: 768px) {
    .record-detail-tabs {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        margin-bottom: 1rem;
    }
    
    .record-detail-tabs .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .record-detail-tabs .nav-link i {
        font-size: 1rem;
    }
}

/* Tab badges and indicators */
.record-detail-tabs .nav-link .badge {
    margin-left: 0.5rem;
    font-weight: normal;
    font-size: 0.75rem;
}

/* Loading state for tab content */
.tab-pane.loading {
    position: relative;
    min-height: 200px;
}

.tab-pane.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Accessibility improvements */
.record-detail-tabs .nav-link:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .record-detail-tabs {
        border-bottom-color: #495057;
    }
    
    .record-detail-tabs .nav-link {
        color: #adb5bd;
    }
    
    .record-detail-tabs .nav-link:hover {
        color: #dee2e6;
        border-bottom-color: #495057;
        background-color: #212529;
    }
    
    .record-detail-tabs .nav-link.active {
        color: #0dcaf0;
        border-bottom-color: #0dcaf0;
    }
}