:root {
    --admin-primary: #0F3B78;
    --admin-secondary: #164E9B;
    --admin-success: #10B981;
    --admin-warning: #F59E0B;
    --admin-danger: #EF4444;
    --admin-gray-50: #F9FAFB;
    --admin-gray-100: #F3F4F6;
    --admin-gray-200: #E5E7EB;
    --admin-gray-300: #D1D5DB;
    --admin-gray-400: #9CA3AF;
    --admin-gray-500: #6B7280;
    --admin-gray-600: #4B5563;
    --admin-gray-700: #374151;
    --admin-gray-800: #1F2937;
    --admin-gray-900: #111827;
    --admin-white: #FFFFFF;
}

/* Animations pour les notifications */
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}
    --admin-gray-500: #6B7280;
    --admin-gray-600: #4B5563;
    --admin-gray-700: #374151;
    --admin-gray-800: #1F2937;
    --admin-gray-900: #111827;
    --admin-white: #FFFFFF;
    
    --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);
    --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --admin-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --admin-radius: 6px;
    --admin-radius-lg: 8px;
    --admin-radius-xl: 12px;
    
    --admin-transition: 150ms ease-in-out;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--admin-gray-50);
    color: var(--admin-gray-900);
    line-height: 1.6;
}

/* Utilitaires */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: var(--admin-radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--admin-transition);
    white-space: nowrap;
}

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

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

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

.btn-secondary {
    background-color: var(--admin-gray-100);
    color: var(--admin-gray-700);
    border-color: var(--admin-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--admin-gray-200);
}

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

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

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

.btn-danger:hover:not(:disabled) {
    background-color: #DC2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Écran de connexion */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--admin-white);
    padding: 40px;
    border-radius: var(--admin-radius-xl);
    box-shadow: var(--admin-shadow-xl);
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--admin-primary);
    margin-bottom: 8px;
    text-align: center;
}

.login-card p {
    color: var(--admin-gray-600);
    text-align: center;
    margin-bottom: 32px;
}

/* Dashboard */
.dashboard {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background: var(--admin-white);
    border-bottom: 1px solid var(--admin-gray-200);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.admin-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--admin-primary);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Contenu principal */
.admin-content {
    flex: 1;
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Navigation par onglets */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--admin-gray-200);
    margin-bottom: 32px;
    overflow-x: auto;
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 24px;
    font-weight: 500;
    color: var(--admin-gray-600);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--admin-transition);
    white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
}

/* Contenu des onglets */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--admin-gray-900);
    margin-bottom: 24px;
}

/* Sections de formulaire */
.form-section {
    background: var(--admin-white);
    padding: 24px;
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-sm);
    margin-bottom: 24px;
}

.form-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--admin-gray-900);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--admin-gray-200);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--admin-gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--admin-gray-300);
    border-radius: var(--admin-radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--admin-transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(15, 59, 120, 0.1);
}

.help-text {
    display: block;
    font-size: 12px;
    color: var(--admin-gray-500);
    margin-top: 4px;
}

.error-message {
    color: var(--admin-danger);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.error-message:empty {
    display: none;
}

/* En-tête de section */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

/* Tables */
.table-container {
    background: var(--admin-white);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-sm);
    overflow: hidden;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--admin-gray-200);
}

.admin-table th {
    background-color: var(--admin-gray-50);
    font-weight: 600;
    color: var(--admin-gray-900);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tbody tr:hover {
    background-color: var(--admin-gray-50);
}

.admin-table .actions {
    display: flex;
    gap: 8px;
}

.admin-table .thumbnail {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: var(--admin-radius);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal-content {
    background: var(--admin-white);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--admin-gray-200);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--admin-gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--admin-gray-400);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--admin-gray-600);
}

.modal .form-group {
    margin-bottom: 20px;
    padding: 0 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 20px 24px;
    border-top: 1px solid var(--admin-gray-200);
    background: var(--admin-gray-50);
}

/* Prévisualisation d'image */
.image-preview {
    margin-top: 12px;
}

.image-preview img {
    max-width: 200px;
    max-height: 150px;
    object-fit: cover;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-gray-200);
}

/* Toast notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 400px;
}

.toast {
    background: var(--admin-white);
    border: 1px solid var(--admin-gray-200);
    border-radius: var(--admin-radius-lg);
    padding: 16px;
    box-shadow: var(--admin-shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
}

.toast.success {
    border-left: 4px solid var(--admin-success);
}

.toast.error {
    border-left: 4px solid var(--admin-danger);
}

.toast.warning {
    border-left: 4px solid var(--admin-warning);
}

.toast-icon {
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--admin-gray-900);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 14px;
    color: var(--admin-gray-600);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .header-actions {
        justify-content: center;
    }

    .admin-content {
        padding: 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .modal-actions {
        flex-direction: column;
    }

    .tab-nav {
        flex-wrap: wrap;
    }

    .tab-btn {
        flex: 1;
        min-width: 120px;
    }
}

/* Boutons d'action dans les tableaux */
.btn-edit, .btn-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 4px 8px;
    margin: 0 2px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.btn-edit:hover {
    background-color: #e3f2fd;
}

.btn-delete:hover {
    background-color: #ffebee;
}

/* Responsive pour les actions */
.actions {
    white-space: nowrap;
}

/* Affichage du contenu en lecture seule */
.content-card {
    background: var(--admin-white);
    border: 1px solid var(--admin-gray-200);
    border-radius: var(--admin-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-card h3 {
    color: var(--admin-gray-900);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--admin-gray-200);
}

.content-field {
    margin-bottom: 1rem;
}

.content-field:last-child {
    margin-bottom: 0;
}

.content-field strong {
    display: block;
    color: var(--admin-gray-700);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.content-field p {
    color: var(--admin-gray-900);
    font-size: 1rem;
    line-height: 1.6;
    white-space: pre-wrap;
}

.content-field p:empty::before {
    content: '—';
    color: var(--admin-gray-400);
}

#display-about-markdown {
    color: var(--admin-gray-900);
    line-height: 1.6;
}

#display-about-markdown h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
    color: var(--admin-gray-900);
}

#display-about-markdown h2:first-child {
    margin-top: 0;
}

#display-about-markdown p {
    margin-bottom: 0.75rem;
}

#display-about-markdown strong {
    font-weight: 600;
}

#display-about-markdown em {
    font-style: italic;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-actions .btn {
    flex: 0 0 auto;
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }

    .modal {
        padding: 12px;
    }

    .modal-content {
        max-height: 95vh;
    }
    
    .content-card {
        padding: 1rem;
    }
}