/* Qabul LMS - Main Stylesheet */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    direction: ltr; /* For Uzbek text support */
}



.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

.form-control {
    border-radius: 6px;
    border: 1px solid #ddd;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Dashboard Styles */
.dashboard-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.dashboard-card .card-body {
    padding: 2rem;
}

.dashboard-card h3 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.dashboard-card p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Sidebar Styles */
.sidebar {
    background-color: white;
    min-height: calc(100vh - 56px);
    border-right: 1px solid #e9ecef;
    padding: 1rem 0;
}

.sidebar .nav-link {
    color: var(--dark-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    transition: all 0.2s;
}

.sidebar .nav-link:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 20px;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* Tables */
.table th {
    background-color: #f8f9fa;
    border-top: none;
    font-weight: 600;
    color: var(--dark-color);
}

.table td {
    vertical-align: middle;
}

/* Badges */
.badge {
    font-size: 0.8rem;
    font-weight: 500;
}

/* Uzbek Language Support */
.uzbek-text {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid #e9ecef;
    }
    
    .dashboard-card .card-body {
        padding: 1.5rem;
    }
    
    .dashboard-card h3 {
        font-size: 2rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Status Colors */
.status-present {
    color: var(--success-color);
}

.status-absent {
    color: var(--danger-color);
}

/* Analytics Dashboard Styles */
.analytics-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.analytics-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.analytics-card-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.analytics-card-warning {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
    color: white;
}

.analytics-card-danger {
    background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%);
    color: white;
}

.analytics-card .card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.analytics-card .card-text {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

@media (max-width: 768px) {
    .chart-container {
        height: 300px;
    }
    
    .analytics-card .card-title {
        font-size: 1.5rem;
    }
    
    .table-responsive .table {
        font-size: 0.875rem;
    }
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

/* Alert styles for notifications */
.alert {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: none;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Progress bar enhancements */
.progress {
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    transition: width 0.6s ease;
}

/* Loading Spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Teacher Rating Card Styles */
.teacher-rating-card {
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
}

.teacher-rating-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.teacher-rating-card .indicator-name {
    font-size: 0.9rem;
}

.teacher-rating-card .list-group-item {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* Custom Subject Card Styles */
.subject-card {
    border-radius: 12px;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.subject-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.subject-card .card-title {
    color: #333;
}

.subject-card .list-group-item {
    border-left: 0;
    border-right: 0;
}

.subject-card .list-group-item:first-child {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-top: 0;
}

.subject-card .list-group-item:last-child {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: 0;
}