/* Variables CSS pour l'administration */
:root {
    --admin-primary: #2563eb;
    --admin-primary-dark: #1d4ed8;
    --admin-secondary: #64748b;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-info: #06b6d4;
    
    --admin-bg-primary: #f8fafc;
    --admin-bg-secondary: #ffffff;
    --admin-bg-dark: #1e293b;
    --admin-bg-darker: #0f172a;
    
    --admin-text-primary: #1e293b;
    --admin-text-secondary: #64748b;
    --admin-text-muted: #94a3b8;
    --admin-text-light: #ffffff;
    
    --admin-border: #e2e8f0;
    --admin-border-dark: #334155;
    
    --admin-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --admin-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --admin-radius: 8px;
    --admin-radius-lg: 12px;
    --admin-transition: all 0.2s ease;
    
    --sidebar-width: 280px;
    --header-height: 70px;
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--admin-bg-primary);
    color: var(--admin-text-primary);
    line-height: 1.6;
}

/* Layout principal */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--admin-bg-secondary);
    border-right: 1px solid var(--admin-border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--admin-transition);
}

.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    height: var(--header-height);
    background: var(--admin-bg-secondary);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
}

.admin-content {
    flex: 1;
    padding: 2rem;
}

/* Sidebar */
.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--admin-primary);
}

.sidebar-logo i {
    font-size: 1.5rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    padding: 0 1.5rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--admin-text-muted);
    letter-spacing: 0.05em;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--admin-text-secondary);
    text-decoration: none;
    transition: var(--admin-transition);
    border-right: 3px solid transparent;
}

.nav-link:hover {
    background: var(--admin-bg-primary);
    color: var(--admin-primary);
}

.nav-link.active {
    background: var(--admin-bg-primary);
    color: var(--admin-primary);
    border-right-color: var(--admin-primary);
    font-weight: 600;
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--admin-danger);
    color: white;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Header */
.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--admin-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--admin-radius);
    transition: var(--admin-transition);
}

.sidebar-toggle:hover {
    background: var(--admin-bg-primary);
    color: var(--admin-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--admin-text-muted);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: var(--admin-text-muted);
}

.breadcrumb-link {
    color: var(--admin-primary);
    text-decoration: none;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-search {
    position: relative;
}

.search-input {
    width: 300px;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    background: var(--admin-bg-primary);
    font-size: 0.875rem;
    transition: var(--admin-transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
}

.header-notifications {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--admin-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--admin-radius);
    transition: var(--admin-transition);
    position: relative;
}

.notification-btn:hover {
    background: var(--admin-bg-primary);
    color: var(--admin-primary);
}

.notification-badge {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: var(--admin-danger);
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: var(--admin-radius);
    cursor: pointer;
    transition: var(--admin-transition);
}

.user-btn:hover {
    background: var(--admin-bg-primary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--admin-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-info {
    text-align: left;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--admin-text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
}

/* Contenu principal */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--admin-text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--admin-text-secondary);
    font-size: 1rem;
}

.page-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Cards */
.card {
    background: var(--admin-bg-secondary);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    background: var(--admin-bg-primary);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-text-primary);
    margin-bottom: 0.25rem;
}

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

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--admin-bg-primary);
    border-top: 1px solid var(--admin-border);
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--admin-radius);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--admin-transition);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
}

.btn-secondary {
    background: var(--admin-secondary);
    color: white;
    border-color: var(--admin-secondary);
}

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

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

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

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

.btn-outline:hover:not(:disabled) {
    background: var(--admin-primary);
    color: white;
}

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

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Formulaires */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--admin-text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.875rem;
    transition: var(--admin-transition);
    background: var(--admin-bg-secondary);
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control.error {
    border-color: var(--admin-danger);
}

.form-text {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--admin-danger);
    margin-top: 0.25rem;
}

/* Tableaux */
.table-container {
    overflow-x: auto;
    border-radius: var(--admin-radius-lg);
    border: 1px solid var(--admin-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--admin-bg-secondary);
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.table th {
    background: var(--admin-bg-primary);
    font-weight: 600;
    color: var(--admin-text-primary);
    font-size: 0.875rem;
}

.table td {
    color: var(--admin-text-secondary);
    font-size: 0.875rem;
}

.table tbody tr:hover {
    background: var(--admin-bg-primary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--admin-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.badge-secondary {
    background: rgba(100, 116, 139, 0.1);
    color: var(--admin-secondary);
}

/* Alertes */
.alert {
    padding: 1rem;
    border-radius: var(--admin-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-danger,
.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--admin-info);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* Grilles */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Utilitaires */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--admin-primary); }
.text-secondary { color: var(--admin-text-secondary); }
.text-muted { color: var(--admin-text-muted); }
.text-success { color: var(--admin-success); }
.text-warning { color: var(--admin-warning); }
.text-danger { color: var(--admin-danger); }

.bg-primary { background-color: var(--admin-primary); }
.bg-secondary { background-color: var(--admin-bg-secondary); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2rem; }

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .header-search .search-input {
        width: 200px;
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 1rem;
    }
    
    .header-search {
        display: none;
    }
    
    .page-actions {
        flex-direction: column;
    }
    
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        font-size: 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}


/* Séparateur pour les formulaires d'upload */
.form-separator {
    text-align: center;
    margin: 1rem 0;
    position: relative;
    color: var(--admin-text-muted);
    font-size: 0.875rem;
}

.form-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--admin-border);
    z-index: 1;
}

.form-separator::after {
    content: attr(data-text);
    background: var(--admin-bg);
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

/* Amélioration des champs de fichier */
.form-control[type="file"] {
    padding: 0.5rem;
    border: 2px dashed var(--admin-border);
    background: var(--admin-bg-secondary);
    transition: var(--admin-transition);
}

.form-control[type="file"]:hover {
    border-color: var(--admin-primary);
    background: var(--admin-bg);
}

.form-control[type="file"]:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(var(--admin-primary-rgb), 0.1);
}

/* Prévisualisation d'image */
.image-preview-container {
    margin-top: 0.5rem;
}

.image-preview-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--admin-border);
    transition: var(--admin-transition);
}

.image-preview-container img:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}



/* Dark Mode */
body.dark-mode {
    --admin-bg-primary: #1e293b;
    --admin-bg-secondary: #0f172a;
    --admin-text-primary: #f8fafc;
    --admin-text-secondary: #94a3b8;
    --admin-text-muted: #64748b;
    --admin-border: #334155;
}

body.dark-mode .admin-sidebar {
    border-right-color: var(--admin-border);
}

body.dark-mode .admin-header {
    border-bottom-color: var(--admin-border);
}

body.dark-mode .nav-link:hover {
    background: var(--admin-bg-darker);
}

body.dark-mode .nav-link.active {
    background: var(--admin-bg-darker);
}

body.dark-mode .search-input {
    background: var(--admin-bg-secondary);
    color: var(--admin-text-primary);
    border-color: var(--admin-border);
}

body.dark-mode .card {
    background: var(--admin-bg-secondary);
    border-color: var(--admin-border);
}

body.dark-mode .card-header {
    background: var(--admin-bg-primary);
    border-bottom-color: var(--admin-border);
}

body.dark-mode .card-footer {
    background: var(--admin-bg-primary);
    border-top-color: var(--admin-border);
}

body.dark-mode .form-control {
    background: var(--admin-bg-secondary);
    color: var(--admin-text-primary);
    border-color: var(--admin-border);
}

body.dark-mode .table {
    background: var(--admin-bg-secondary);
}

body.dark-mode .table th,
body.dark-mode .table td {
    border-bottom-color: var(--admin-border);
}

body.dark-mode .table th {
    background: var(--admin-bg-primary);
}

body.dark-mode .table tbody tr:hover {
    background: var(--admin-bg-primary);
}

body.dark-mode .alert-success {
    background: rgba(16, 185, 129, 0.1);
}

body.dark-mode .alert-warning {
    background: rgba(245, 158, 11, 0.1);
}

body.dark-mode .alert-danger,
body.dark-mode .alert-error {
    background: rgba(239, 68, 68, 0.1);
}

body.dark-mode .alert-info {
    background: rgba(6, 182, 212, 0.1);
}

body.dark-mode .form-separator::before {
    background: var(--admin-border);
}

body.dark-mode .form-separator::after {
    background: var(--admin-bg-primary);
}

body.dark-mode .form-control[type="file"] {
    border: 2px dashed var(--admin-border);
    background: var(--admin-bg-secondary);
}

body.dark-mode .form-control[type="file"]:hover {
    background: var(--admin-bg-primary);
}

body.dark-mode .image-preview-container img {
    border: 1px solid var(--admin-border);
}

.theme-toggle {
    margin-right: 1rem;
}

.theme-toggle-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--admin-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--admin-radius);
    transition: var(--admin-transition);
}

.theme-toggle-btn:hover {
    background: var(--admin-bg-primary);
    color: var(--admin-primary);
}