/**
 * Custom CSS for PHP Template Project
 */

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

/* Navigation */
.navbar-brand {
    font-weight: bold;
}

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

.navbar-nav .nav-link:hover {
    color: #ffc107 !important;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

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

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

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

/* Tables */
.table {
    background-color: #fff;
}

.table th {
    border-top: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

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

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #d1edff;
    color: #0c5460;
}

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

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

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Forms */
.form-control {
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
}

/* Badges */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
}

/* Footer */
footer {
    margin-top: auto;
}

footer a:hover {
    color: #ffc107 !important;
}

/* Pagination */
.pagination .page-link {
    color: #0d6efd;
    border-color: #dee2e6;
}

.pagination .page-item.active .page-link {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.pagination .page-link:hover {
    color: #0a58ca;
    background-color: #e9ecef;
    border-color: #dee2e6;
}

/* Statistics Cards */
.card.bg-primary,
.card.bg-success,
.card.bg-warning,
.card.bg-info,
.card.bg-danger {
    border: none;
    background: linear-gradient(45deg, var(--bs-primary), var(--bs-primary-dark, #0056b3));
}

.card.bg-success {
    background: linear-gradient(45deg, var(--bs-success), #157347);
}

.card.bg-warning {
    background: linear-gradient(45deg, var(--bs-warning), #b45309);
}

.card.bg-info {
    background: linear-gradient(45deg, var(--bs-info), #087990);
}

.card.bg-danger {
    background: linear-gradient(45deg, var(--bs-danger), #b02a37);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* Custom utility classes */
.text-shadow {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.border-radius-lg {
    border-radius: 0.75rem !important;
}

.bg-gradient-primary {
    background: linear-gradient(45deg, #0d6efd, #0056b3);
}

.bg-gradient-success {
    background: linear-gradient(45deg, #198754, #157347);
}

.bg-gradient-warning {
    background: linear-gradient(45deg, #ffc107, #b45309);
}

.bg-gradient-info {
    background: linear-gradient(45deg, #0dcaf0, #087990);
}

.bg-gradient-danger {
    background: linear-gradient(45deg, #dc3545, #b02a37);
}

/* Code blocks */
pre {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 0.375rem;
    padding: 1rem;
    font-size: 0.875rem;
    line-height: 1.4;
}

code {
    background-color: #f8f9fa;
    color: #e83e8c;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
}

/* Accordion customization */
.accordion-button {
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: #e7f1ff;
    color: #0c63e4;
}

/* Modal customization */
.modal-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.modal-title {
    font-weight: 600;
}

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

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

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

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