/* ========================================
   VARIABLES CSS - Thème Africain Élégant
   ======================================== */

:root {
    /* Palette de couleurs */
    --gold: #D4A574;
    --gold-light: #E8C896;
    --gold-dark: #B8935F;
    --burgundy: #8B2635;
    --burgundy-light: #A03A4A;
    --burgundy-dark: #6B1E2A;
    --cream: #F5E6D3;
    --cream-dark: #E8D7C4;
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray: #666666;
    --gray-light: #F5F5F5;
    --gray-medium: #CCCCCC;
    
    /* Typographie */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Bordures */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   RESET ET STYLES DE BASE
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--black);
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ========================================
   EN-TÊTE DU RESTAURANT
   ======================================== */

.header {
    background: linear-gradient(135deg, var(--burgundy) 0%, var(--burgundy-dark) 100%);
    color: var(--white);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.brand {
    display: flex;
    flex-direction: column;
}

.restaurant-name {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1rem;
    font-weight: 300;
    opacity: 0.9;
    margin: 0;
    font-style: italic;
}

/* ========================================
   NAVIGATION PAR CATÉGORIES
   ======================================== */

.category-nav {
    background: var(--white);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 90px;
    z-index: 90;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.category-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    min-width: max-content;
    padding: 0 var(--spacing-sm);
}

.category-btn {
    background: var(--cream);
    color: var(--burgundy);
    border: 2px solid transparent;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 165, 116, 0.3), transparent);
    transition: left var(--transition-medium);
}

.category-btn:hover::before {
    left: 100%;
}

.category-btn:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.category-btn.active {
    background: var(--burgundy);
    color: var(--white);
    border-color: var(--burgundy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   SECTION "PLATS À LA UNE"
   ======================================== */

.featured-section {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    margin-bottom: var(--spacing-lg);
}

.featured-section .section-title {
    color: var(--burgundy);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    position: relative;
}

.featured-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--burgundy);
    border-radius: 2px;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

/* ========================================
   GRILLE DU MENU PRINCIPAL
   ======================================== */

.menu-section {
    padding: var(--spacing-lg) 0 var(--spacing-xxl);
}

.menu-section .section-title {
    color: var(--burgundy);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    position: relative;
}

.menu-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}

.menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

/* ========================================
   CARTE DE PLAT (ITEM)
   ======================================== */

.menu-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
    position: relative;
}

.menu-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.menu-item.featured {
    border: 3px solid var(--gold);
    position: relative;
}

.menu-item.featured::before {
    content: '★ PLAT DU CHEF';
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--gold);
    color: var(--burgundy);
    padding: 4px 40px;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.menu-item.sold-out {
    opacity: 0.6;
    filter: grayscale(0.5);
}

.menu-item.sold-out::after {
    content: 'ÉPUISÉ';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--burgundy);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.2rem;
    z-index: 20;
    box-shadow: var(--shadow-md);
}

.menu-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--gray-light);
}

.menu-item-content {
    padding: var(--spacing-md);
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-sm);
}

.menu-item-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--burgundy);
    margin: 0;
    flex: 1;
}

.menu-item-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold-dark);
    white-space: nowrap;
}

.menu-item-description {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.menu-item-category {
    display: inline-block;
    background: var(--cream);
    color: var(--burgundy);
    padding: 4px var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* ========================================
   PIED DE PAGE
   ======================================== */

.footer {
    background: var(--burgundy-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xxl);
}

.footer p {
    margin: var(--spacing-xs) 0;
    font-size: 0.9rem;
}

.admin-link a {
    color: var(--gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.admin-link a:hover {
    color: var(--gold-light);
    text-decoration: underline;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ========================================\n   STYLES POUR LE BACK-OFFICE ADMIN
   ======================================== */

/* Page de connexion admin */
.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--burgundy) 0%, var(--burgundy-dark) 100%);
    padding: var(--spacing-md);
}

.login-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
}

.login-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--burgundy);
    margin-bottom: var(--spacing-md);
}

.login-form {
    text-align: left;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--black);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-medium);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--burgundy);
    color: var(--white);
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
}

.btn-primary:hover {
    background: var(--burgundy-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gold);
    color: var(--burgundy);
}

.btn-secondary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn-danger {
    background: #dc3545;
    color: var(--white);
}

.btn-danger:hover {
    background: #c82333;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
}

/* Interface admin */
.admin-header {
    background: var(--burgundy);
    color: var(--white);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.admin-nav {
    display: flex;
    gap: var(--spacing-md);
}

.admin-nav button {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gold);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-nav button:hover,
.admin-nav button.active {
    background: var(--gold);
    color: var(--burgundy);
}

.admin-content {
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.admin-section {
    display: none;
    animation: fadeInUp 0.3s ease;
}

.admin-section.active {
    display: block;
}

/* Tableaux admin */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-md);
}

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

.admin-table th {
    background: var(--cream);
    font-weight: 600;
    color: var(--burgundy);
}

.admin-table tr:hover {
    background: var(--gray-light);
}

.admin-table img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
}

/* Formulaires admin */
.admin-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    max-width: 600px;
    margin: var(--spacing-md) auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--burgundy);
}

.textarea {
    min-height: 100px;
    resize: vertical;
}

/* Messages */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.3s ease;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Modal de confirmation */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: fadeInUp 0.3s ease;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* Bouton toggle */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--gray-medium);
    border-radius: 25px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-switch.active {
    background: var(--burgundy);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: var(--white);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

.toggle-switch.active::after {
    transform: translateX(24px);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablettes (768px et plus) */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .restaurant-name {
        font-size: 2.5rem;
    }
    
    .category-buttons {
        justify-content: center;
        flex-wrap: wrap;
        padding: 0;
    }
    
    .featured-grid,
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .menu-item-image {
        height: 250px;
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px et plus) */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .restaurant-name {
        font-size: 3rem;
    }
    
    .featured-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .menu-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .menu-item-image {
        height: 200px;
    }
    
    .category-nav {
        top: 100px;
    }
}

/* Très grands écrans (1200px et plus) */
@media (min-width: 1200px) {
    .menu-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Optimisations pour iPhone et mobile */
@media (max-width: 480px) {
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .logo {
        width: 50px;
        height: 50px;
    }
    
    .restaurant-name {
        font-size: 1.8rem;
    }
    
    .category-nav {
        top: 80px;
        padding: var(--spacing-xs) 0;
    }
    
    .category-btn {
        font-size: 0.85rem;
        padding: 8px 12px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .menu-item-content {
        padding: var(--spacing-sm);
    }
    
    .menu-item-name {
        font-size: 1.1rem;
    }
    
    .menu-item-price {
        font-size: 1rem;
    }
}

/* Impression */
@media print {
    .header,
    .category-nav,
    .footer,
    .admin-link {
        display: none;
    }
    
    .menu-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-medium);
    }
}

/* Préférences utilisateur - réduction des animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}