/* Admin Panel Dark Theme */

:root {
    --sidebar-width: 260px;
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: white;
    padding: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h4 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
}

.sidebar .nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar .nav-link {
    color: #cbd5e1;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

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

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

.sidebar .nav-link i {
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.content-area {
    padding: 2rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.card-header {
    background-color: rgba(51, 65, 85, 0.5);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-body {
    color: var(--text-primary);
}

/* Tables */
.table {
    color: var(--text-primary);
}

.table thead th {
    background-color: rgba(51, 65, 85, 0.5);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.table tbody td {
    border-color: var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(51, 65, 85, 0.3);
}

/* Forms */
.form-control,
.form-select {
    background-color: var(--bg-darker);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-darker);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-label {
    color: var(--text-primary);
}

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

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

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

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

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

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

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

/* Alerts */
.alert {
    border-radius: 0.5rem;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

/* Modals */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.modal-header .btn-close {
    filter: invert(1);
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

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

.dropdown-divider {
    border-color: var(--border-color);
}

/* Pagination */
.pagination .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

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

/* Text colors */
.text-muted {
    color: var(--text-secondary) !important;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
}

.navbar .navbar-brand {
    color: var(--text-primary);
    font-weight: 600;
}

/* Stats Cards */
.stat-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(99, 102, 241, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-card.primary .stat-icon {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
}

.stat-card.success .stat-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.stat-card.warning .stat-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.stat-card.info .stat-icon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

/* Navbar (continued) */
.navbar {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    color: #64748b;
    font-size: 0.875rem;
}

/* Tables */
.table {
    background: white;
}

.table thead th {
    background: #f8fafc;
    border-bottom: 2px solid #e2e8f0;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #64748b;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: #f8fafc;
}

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

/* Buttons */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: #4338ca;
    border-color: #4338ca;
}

/* Forms */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    padding: 0.625rem 0.875rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #334155;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }
    
    .sidebar.active {
        margin-left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-area {
        padding: 1rem;
    }
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: 0.375rem 0.75rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #64748b;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h5 {
    margin-bottom: 0.5rem;
    color: #334155;
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    max-width: 400px;
    width: 100%;
    padding: 2rem;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed #e2e8f0;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: #f8fafc;
}

.file-upload-area.dragging {
    border-color: var(--primary-color);
    background: #eef2ff;
}

/* Alerts */
.alert {
    border-radius: 0.5rem;
    border: none;
    padding: 1rem 1.25rem;
}

/* Pagination */
.pagination {
    gap: 0.25rem;
}

.page-link {
    border-radius: 0.375rem;
    margin: 0 0.125rem;
    border: 1px solid #e2e8f0;
    color: #334155;
}

.page-link:hover {
    background-color: #f8fafc;
    border-color: #e2e8f0;
}

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

.stat-card, .card-header {background: #001852 !important;} 
.stat-card .stat-value {color: #fff;} 
.navbar.navbar-expand-lg.navbar-light.bg-white {background: #001852 !important;}

.list-group.list-group-flush, .list-group-item {background-color: var(--card-bg) !important;}
.list-group-item {color: white !important;}