:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --sidebar-bg: #f8f9fa;
    --sidebar-hover: #e9ecef;
    --sidebar-active: #8963C3;
    --link-color: #8963C3;
    --link-hover: #6d4a9f;
    --hr-color: #dee2e6;
}

.theme-dark {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #adb5bd;
    --border-color: #495057;
    --card-bg: #2d2d2d;
    --card-border: #495057;
    --sidebar-bg: #252525;
    --sidebar-hover: #3d3d3d;
    --sidebar-active: #8963C3;
    --link-color: #a78bfa;
    --link-hover: #c4b5fd;
    --hr-color: #495057;
}

/* Auto theme uses system preference */
@media (prefers-color-scheme: dark) {
    .theme-auto {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-tertiary: #3d3d3d;
        --text-primary: #e9ecef;
        --text-secondary: #adb5bd;
        --text-muted: #adb5bd;
        --border-color: #495057;
        --card-bg: #2d2d2d;
        --card-border: #495057;
        --sidebar-bg: #252525;
        --sidebar-hover: #3d3d3d;
        --sidebar-active: #8963C3;
        --link-color: #a78bfa;
        --link-hover: #c4b5fd;
        --hr-color: #495057;
    }
}

@media (prefers-color-scheme: light) {
    .theme-auto {
        --bg-primary: #ffffff;
        --bg-secondary: #f8f9fa;
        --bg-tertiary: #e9ecef;
        --text-primary: #212529;
        --text-secondary: #6c757d;
        --text-muted: #6c757d;
        --border-color: #dee2e6;
        --card-bg: #ffffff;
        --card-border: #dee2e6;
        --sidebar-bg: #f8f9fa;
        --sidebar-hover: #e9ecef;
        --sidebar-active: #8963C3;
        --link-color: #8963C3;
        --link-hover: #6d4a9f;
        --hr-color: #dee2e6;
    }
}

.theme-dark body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto body {
        background-color: var(--bg-primary);
        color: var(--text-primary);
    }
}

.theme-dark .container {
    background-color: var(--bg-primary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .container {
        background-color: var(--bg-primary);
    }
}

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

.theme-dark .card {
    background-color: transparent;
    border-color: var(--card-border);
    color: var(--text-primary);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .card {
        background-color: transparent;
        border-color: var(--card-border);
        color: var(--text-primary);
        box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
    }
}

.theme-dark .card-header {
    background-color: var(--bg-secondary);
    border-color: var(--card-border);
    color: var(--text-primary);
}

.theme-dark .card-header.bg-primary {
    background-color: var(--sidebar-active);
    border-color: var(--sidebar-active);
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .card-header {
        background-color: var(--bg-secondary);
        border-color: var(--card-border);
        color: var(--text-primary);
    }
    
    .theme-auto .card-header.bg-primary {
        background-color: var(--sidebar-active);
        border-color: var(--sidebar-active);
        color: #ffffff;
    }
}

.card-body {
    background-color: transparent;
}

.theme-dark .card-body {
    background-color: transparent;
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .card-body {
        background-color: transparent;
        color: var(--text-primary);
    }
}

.theme-dark .table {
    color: var(--text-primary);
    background-color: var(--card-bg);
}

.theme-dark .table td,
.theme-dark .table th {
    color: var(--text-primary);
    border-color: var(--border-color);
    background-color: var(--card-bg);
}

.theme-dark .table thead th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.theme-dark .table tbody tr {
    background-color: var(--card-bg);
}

.theme-dark .table-hover tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.theme-dark .table-hover tbody tr:hover td {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .table {
        color: var(--text-primary);
        background-color: var(--card-bg);
    }
    
    .theme-auto .table td,
    .theme-auto .table th {
        color: var(--text-primary);
        border-color: var(--border-color);
        background-color: var(--card-bg);
    }
    
    .theme-auto .table thead th {
        background-color: var(--bg-secondary);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
    
    .theme-auto .table tbody tr {
        background-color: var(--card-bg);
    }
    
    .theme-auto .table-hover tbody tr:hover {
        background-color: var(--bg-tertiary);
    }
    
    .theme-auto .table-hover tbody tr:hover td {
        background-color: var(--bg-tertiary);
        color: var(--text-primary);
    }
}

.theme-dark .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .list-group-item-action:hover {
    background-color: var(--bg-tertiary);
}

.theme-dark .form-control,
.theme-dark .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .form-control::placeholder,
.theme-dark .form-select::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.theme-dark .form-control:focus,
.theme-dark .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--sidebar-active);
    color: var(--text-primary);
}

.theme-dark .form-control:focus::placeholder,
.theme-dark .form-select:focus::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

.theme-dark .input-group-text {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .form-text {
    color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .form-control,
    .theme-auto .form-select {
        background-color: var(--bg-secondary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .theme-auto .form-control:focus,
    .theme-auto .form-select:focus {
        background-color: var(--bg-secondary);
        border-color: var(--sidebar-active);
        color: var(--text-primary);
    }
    
    .theme-auto .form-control::placeholder,
    .theme-auto .form-select::placeholder {
        color: var(--text-muted);
        opacity: 0.7;
    }
    
    .theme-auto .form-control:focus::placeholder,
    .theme-auto .form-select:focus::placeholder {
        color: var(--text-muted);
        opacity: 0.5;
    }
    
    .theme-auto .input-group-text {
        background-color: var(--bg-tertiary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .theme-auto .form-text {
        color: var(--text-secondary);
    }
}

.theme-dark .breadcrumb {
    background-color: transparent;
    padding: 0.5rem 0;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .breadcrumb {
        background-color: transparent;
        padding: 0.5rem 0;
    }
}

.breadcrumb {
    background-color: transparent;
    padding: 0.5rem 0;
}

.theme-dark .breadcrumb-item a {
    color: var(--link-color);
}

.theme-dark .breadcrumb-item.active {
    color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .breadcrumb-item a {
        color: var(--link-color);
    }
    
    .theme-auto .breadcrumb-item.active {
        color: var(--text-secondary);
    }
}

.theme-dark .alert-info {
    background-color: #1e3a5f;
    border-color: #2d5a8a;
    color: #b3d9ff;
}

.theme-dark .alert-warning {
    background-color: #5c4a1e;
    border-color: #8b6f2d;
    color: #ffeaa7;
}

.theme-dark .alert-success {
    background-color: #1e4a2e;
    border-color: #2d6a3d;
    color: #b3ffd9;
}

.theme-dark .alert-danger {
    background-color: #4a1e1e;
    border-color: #6a2d2d;
    color: #ffb3b3;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .alert-info {
        background-color: #1e3a5f;
        border-color: #2d5a8a;
        color: #b3d9ff;
    }
    
    .theme-auto .alert-warning {
        background-color: #5c4a1e;
        border-color: #8b6f2d;
        color: #ffeaa7;
    }
    
    .theme-auto .alert-success {
        background-color: #1e4a2e;
        border-color: #2d6a3d;
        color: #b3ffd9;
    }
    
    .theme-auto .alert-danger {
        background-color: #4a1e1e;
        border-color: #6a2d2d;
        color: #ffb3b3;
    }
}

.theme-dark .text-muted {
    color: var(--text-muted) !important;
}

.theme-dark .table .text-muted {
    color: var(--text-secondary) !important;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .text-muted {
        color: var(--text-muted) !important;
    }
    
    .theme-auto .table .text-muted {
        color: var(--text-secondary) !important;
    }
}

.theme-dark hr {
    border-color: var(--hr-color);
    opacity: 1;
}

@media (prefers-color-scheme: dark) {
    .theme-auto hr,
    html.theme-auto hr {
        border-color: #495057;
        opacity: 1;
    }
}

.theme-dark .bg-white {
    background-color: var(--card-bg);
}

.theme-dark .bg-light {
    background-color: var(--bg-secondary);
}

.theme-dark .text-dark {
    color: var(--text-primary);
}

.theme-dark .border-dark {
    border-color: var(--border-color);
}

.theme-dark .img-thumbnail {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.theme-dark .btn-primary,
.theme-dark a.btn-primary {
    background-color: var(--sidebar-active);
    border-color: var(--sidebar-active);
    color: #ffffff;
}

.theme-dark .btn-primary:hover,
.theme-dark a.btn-primary:hover {
    background-color: var(--link-hover);
    border-color: var(--link-hover);
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .btn-primary,
    .theme-auto a.btn-primary {
        background-color: var(--sidebar-active);
        border-color: var(--sidebar-active);
        color: #ffffff;
    }
    
    .theme-auto .btn-primary:hover,
    .theme-auto a.btn-primary:hover {
        background-color: var(--link-hover);
        border-color: var(--link-hover);
        color: #ffffff;
    }
}

.theme-dark .btn-secondary,
.theme-dark a.btn-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .btn-secondary:hover,
.theme-dark a.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .btn-secondary,
    .theme-auto a.btn-secondary {
        background-color: var(--bg-tertiary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .theme-auto .btn-secondary:hover,
    .theme-auto a.btn-secondary:hover {
        background-color: var(--bg-secondary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
}

.theme-dark .btn-outline-primary,
.theme-dark a.btn-outline-primary {
    border-color: var(--link-color);
    color: #c4b5fd;
}

.theme-dark .btn-outline-primary:hover,
.theme-dark a.btn-outline-primary:hover {
    background-color: var(--link-color);
    border-color: var(--link-color);
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    .theme-auto .btn-outline-primary,
    .theme-auto a.btn-outline-primary {
        border-color: var(--link-color);
        color: #c4b5fd;
    }
    
    .theme-auto .btn-outline-primary:hover,
    .theme-auto a.btn-outline-primary:hover {
        background-color: var(--link-color);
        border-color: var(--link-color);
        color: #ffffff;
    }
}

.theme-dark .btn-link {
    color: var(--link-color);
}

.theme-dark .btn-link:hover {
    color: var(--link-hover);
}

@media (prefers-color-scheme: dark) {
    .theme-auto .btn-link {
        color: var(--link-color);
    }
    
    .theme-auto .btn-link:hover {
        color: var(--link-hover);
    }
}

.theme-dark .pagination .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--link-color);
}

.theme-dark .pagination .page-link:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--link-hover);
}

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

.theme-dark .pagination .page-item.disabled .page-link {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

.theme-dark .badge {
    color: var(--text-primary);
}

.theme-dark .badge.bg-secondary {
    background-color: var(--bg-tertiary);
}

.theme-dark .badge.bg-warning {
    background-color: #856404;
    color: #fff;
}

.theme-dark .progress {
    background-color: var(--bg-tertiary);
}

.theme-dark .dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

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

.theme-dark .dropdown-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.theme-dark a:not(.btn):not(.btn-primary):not(.btn-secondary):not(.btn-outline-primary):not(.btn-link):not(.page-link):not(.breadcrumb-item):not(.dropdown-item) {
    color: var(--link-color);
}

.theme-dark a:not(.btn):not(.btn-primary):not(.btn-secondary):not(.btn-outline-primary):not(.btn-link):not(.page-link):not(.breadcrumb-item):not(.dropdown-item):hover {
    color: var(--link-hover);
}

@media (prefers-color-scheme: dark) {
    .theme-auto a:not(.btn):not(.btn-primary):not(.btn-secondary):not(.btn-outline-primary):not(.btn-link):not(.page-link):not(.breadcrumb-item):not(.dropdown-item) {
        color: var(--link-color);
    }
    
    .theme-auto a:not(.btn):not(.btn-primary):not(.btn-secondary):not(.btn-outline-primary):not(.btn-link):not(.page-link):not(.breadcrumb-item):not(.dropdown-item):hover {
        color: var(--link-hover);
    }
}

.theme-dark .bg-primary {
    background-color: var(--sidebar-active);
}

.theme-dark .bg-info {
    background-color: #0d6efd;
}

.theme-dark .bg-success {
    background-color: #198754;
}

.theme-dark .bg-warning {
    background-color: #ffc107;
    color: #000;
}

.theme-dark .bg-danger {
    background-color: #dc3545;
}

.theme-dark .text-primary {
    color: var(--text-primary);
}

.theme-dark .text-secondary {
    color: var(--text-secondary);
}

.theme-dark .border {
    border-color: var(--border-color);
}

.theme-dark .shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.5);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.logo {
    padding-top: 16px
}
.logo img {
    width: 200px
}
.has_error .help-block {
    color: red
}
.page-layout {
    display: flex;
    min-height: calc(100vh - 200px);
    margin-top: 20px;
}
.page-content {
    flex: 1;
    padding: 20px 30px;
    overflow-x: auto;
    background-color: var(--bg-primary);
}
@media (max-width: 768px) {
    .page-layout {
        flex-direction: column;
    }
    .page-content {
        padding: 20px 15px;
    }
}

.theme-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-switcher form {
    display: inline-block;
}

.theme-switcher button {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-switcher button:hover {
    background: var(--bg-tertiary);
    border-color: var(--sidebar-active);
}

.theme-switcher button i {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .theme-switcher {
        top: 10px;
        right: 10px;
    }
}