/* LMS Custom Styles */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

/* Navbar Styles */
.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

.nav-link {
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #fff !important;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

/* Card Styles */
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: 1px solid #e9ecef;
    font-weight: 500;
}

/* Button Styles */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.25);
}

/* Table Styles */
.table {
    background-color: white;
}

.table thead th {
    background-color: #343a40;
    color: white;
    font-weight: 600;
    border: none;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Form Styles */
.form-control, .form-select {
    border: 1px solid #ddd;
    border-radius: 0.375rem;
    transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #333;
}

/* Badge Styles */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 500;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 0.375rem;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-info {
    background-color: #cfe2ff;
    color: #084298;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

/* Progress Bar */
.progress {
    height: 1.5rem;
    border-radius: 0.375rem;
}

.progress-bar {
    background-color: var(--success-color);
}

/* Dashboard Stats */
.card.bg-primary, .card.bg-success, .card.bg-info, .card.bg-warning {
    border: none;
    color: white;
}

.card.bg-primary h2, .card.bg-success h2, .card.bg-info h2, .card.bg-warning h2 {
    font-weight: 700;
    font-size: 2.5rem;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
    background-color: #fff;
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    text-decoration: underline;
}

/* Dropdown Menu */
.dropdown-menu {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Pagination */
.pagination .page-link {
    color: var(--primary-color);
    border-color: #ddd;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* Utility Classes */
.text-muted {
    color: #6c757d;
}

.shadow-sm {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.rounded {
    border-radius: 0.375rem;
}

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

.card {
    animation: fadeIn 0.3s ease;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}