/* FizikaMetodik.uz Custom Styles */

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

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.main-content {
    margin-top: 76px;
    min-height: calc(100vh - 200px);
}

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar .dropdown-menu {
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.navbar .dropdown-item {
    padding: 10px 20px;
    transition: background-color 0.3s;
}

.navbar .dropdown-item:hover {
    background-color: #f8f9fa;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

/* Button Styles */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-1px);
}

/* Form Styles */
.form-control {
    border-radius: 6px;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

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

.form-label {
    font-weight: 500;
    color: #495057;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: #d4edda;
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: #f8d7da;
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: #fff3cd;
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: #d1ecf1;
}

/* Badge Styles */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 4px;
}

/* Progress Bar */
.progress {
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
}

/* Table Styles */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    background-color: var(--light-color);
    font-weight: 600;
    border: none;
}

.table td {
    border-color: #f8f9fa;
    vertical-align: middle;
}

/* Avatar Styles */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-lg {
    width: 80px;
    height: 80px;
}

.avatar-sm {
    width: 30px;
    height: 30px;
}

/* Pagination */
.pagination .page-link {
    border-radius: 4px;
    margin: 0 2px;
    border: 1px solid #dee2e6;
    color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--dark-color) !important;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

.social-links a {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075) !important;
}

.shadow {
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15) !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175) !important;
}

.border-radius-lg {
    border-radius: 10px !important;
}

.border-radius-xl {
    border-radius: 15px !important;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .main-content {
        margin-top: 60px;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        font-size: 0.9rem;
    }
}

/* Dark mode support (future feature) */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: #e2e8f0;
    }
    
    .form-control {
        background-color: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    footer {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}