/* ============================================
   SYSTÈME POS MODERNE - SYNSA POSPOINT DE VENTE
   Design inspiré des systèmes POS professionnels
   ============================================ */

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

:root {
    /* Couleurs principales */
    --primary: #2C3E50;
    --primary-dark: #1A252F;
    --primary-light: #34495E;
    --accent: #3498DB;
    --accent-hover: #2980B9;
    
    /* Couleurs fonctionnelles */
    --success: #27AE60;
    --success-hover: #229954;
    --danger: #E74C3C;
    --danger-hover: #C0392B;
    --warning: #F39C12;
    --info: #3498DB;
    
    /* Couleurs de fond */
    --bg-primary: #ECF0F1;
    --bg-secondary: #FFFFFF;
    --bg-dark: #2C3E50;
    --bg-light: #F8F9FA;
    
    /* Couleurs de texte */
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --text-light: #BDC3C7;
    --text-white: #FFFFFF;
    
    /* Bordures */
    --border-color: #E0E0E0;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100vh;
}

/* ============================================
   CONTAINER PRINCIPAL
   ============================================ */

.pos-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100vw;
    overflow-y: auto;
    overflow-x: hidden;
}

/* ============================================
   HEADER
   ============================================ */

.pos-header {
    background: var(--primary);
    color: var(--text-white);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    z-index: 100;
    min-height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.date-time {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-white);
}

.operator-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.header-center {
    flex: 1;
    text-align: center;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: brightness(0) invert(1); /* Rendre le logo blanc pour le header sombre */
}

.pos-header .logo-image {
    filter: brightness(0) invert(1); /* Blanc sur fond sombre */
}

/* Fallback texte si l'image n'est pas trouvée */
.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Inter', sans-serif;
    letter-spacing: 1px;
}

.logo-synsa {
    color: var(--text-white, #FFFFFF);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-pos {
    color: #E74C3C;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-white);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-icon-btn {
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: var(--font-size-lg);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.header-icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.header-icon-btn a {
    color: var(--text-white);
    text-decoration: none;
}

/* ============================================
   CONTENU PRINCIPAL
   ============================================ */

.pos-main {
    display: flex;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    gap: 0;
    min-height: 0;
}

/* ============================================
   SIDEBAR GAUCHE
   ============================================ */

.pos-sidebar {
    width: 200px;
    background: var(--primary-dark);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    z-index: 10;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(100vh - 60px);
}

.operator-profile {
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.profile-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--text-white);
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: 0.25rem;
}

.profile-status {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.profile-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    display: inline-block;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 0.75rem;
}

.sidebar-btn {
    background: transparent;
    border: none;
    color: var(--text-light);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: left;
    width: 100%;
}

.sidebar-btn i {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

.notification-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: #ff9800;
    color: #ffffff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.sidebar-btn.active {
    background: var(--accent);
    color: var(--text-white);
}

.sidebar-btn a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

/* ============================================
   SECTION PRODUITS
   ============================================ */

.pos-products {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    overflow: hidden;
}

.products-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-light);
    flex-wrap: wrap;
}

.functions-horizontal {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    flex-wrap: nowrap;
    align-items: center;
    flex: 0 0 auto;
    overflow-x: auto;
    min-width: 0;
}

.function-btn {
    flex: 0 0 auto;
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
}

.function-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.function-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.function-btn i {
    font-size: 1.1rem;
}

.search-container {
    flex: 1;
    position: relative;
    max-width: 400px;
}

.search-container i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-container input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.search-container input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.view-btn.active {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
}

.pos-products {
    display: flex;
    flex-direction: column;
}

.categories-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0;
    width: 100%;
}

.categories-vertical .category-btn {
    width: 100%;
    height: auto;
    min-height: 80px;
    padding: 1rem;
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
}

.categories-vertical .category-btn .category-icon,
.categories-vertical .category-btn .category-icon-image {
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.categories-vertical .category-btn .category-name {
    flex: 1;
    text-align: left;
}

.category-btn {
    flex: 0 0 auto;
    width: 90px;
    height: 90px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary, #2C3E50);
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    white-space: normal;
    min-width: fit-content;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.category-btn:hover::before {
    opacity: 1;
}

.category-btn.active {
    background: linear-gradient(135deg, #3498DB 0%, #2980B9 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
    transform: translateY(-2px);
    border-color: #3498DB;
}

.category-btn .category-icon {
    font-size: 2rem;
    display: block;
}

.category-btn .category-icon-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.category-btn.active .category-icon-image {
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.category-btn .category-name {
    font-size: 0.75rem;
    line-height: 1.2;
    font-weight: 600;
    text-transform: capitalize;
}

.category-btn.active::before {
    opacity: 0;
}

.category-item {
    padding: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid transparent;
}

.category-item:hover {
    background: var(--accent);
    color: var(--text-white);
    transform: translateX(4px);
}

.category-item.active {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent-hover);
}

.products-area {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
    max-width: 100%;
}

.products-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.products-grid.list-view .product-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 1rem;
    width: 100%;
    max-width: 100%;
}

.product-card {
    background: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    aspect-ratio: 0.85;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #D0D0D0;
}

.product-card.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2);
}

.product-image {
    width: 100%;
    aspect-ratio: 1 / 0.65;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.product-image img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    min-width: 100%;
    min-height: 100%;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 1;
}

.product-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--success);
    color: var(--text-white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.product-info {
    padding: 1rem 1.25rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    justify-content: space-between;
    background: #FFFFFF;
}

.product-name {
    font-weight: 700;
    font-size: 1rem;
    color: #2C3E50;
    line-height: 1.3;
    margin: 0;
    text-align: left;
}

.product-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: #E74C3C;
    margin: 0;
    text-align: left;
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: none; /* Masquer la catégorie pour un design plus épuré */
}

/* Couleurs par catégorie - Désactivées pour un design plus épuré */
.product-card[data-category="plats"] {
    /* border-left: 4px solid #E74C3C; */
}

.product-card[data-category="boissons"] {
    /* border-left: 4px solid #3498DB; */
}

.product-card[data-category="desserts"] {
    /* border-left: 4px solid #F39C12; */
}

/* ============================================
   PANEL DE COMMANDE
   ============================================ */

.pos-order {
    width: 380px;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    border-left: 1px solid var(--border-color);
}

.order-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-light);
}

.order-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.service-indicator {
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    background: var(--accent);
    color: var(--text-white);
    border-radius: var(--border-radius-sm);
    margin-left: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Sélecteur de type de service */
.service-type-selector {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-light);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.service-type-btn {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.service-type-btn:hover {
    border-color: var(--accent);
    background: rgba(52, 152, 219, 0.1);
}

.service-type-btn.active {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.service-type-btn i {
    font-size: var(--font-size-base);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--danger);
    font-size: var(--font-size-lg);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-primary);
    transform: scale(1.1);
}

.order-items-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.empty-order {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    padding: 2rem;
    text-align: center;
}

.empty-order i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.order-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.order-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.order-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.order-item:hover::before {
    transform: scaleY(1);
}

.order-item.selected {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.order-item.selected::before {
    transform: scaleY(1);
}

.order-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.order-item-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.order-item-name::before {
    content: '🍽️';
    font-size: 1.2rem;
}

.order-item-details {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    display: flex;
    gap: 0.5rem;
}

.order-item-price {
    font-weight: 700;
    color: var(--success);
    font-size: 1.25rem;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(39, 174, 96, 0.1);
    border-radius: var(--border-radius);
    display: inline-block;
    align-self: flex-start;
}

.order-item-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.order-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-light);
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.quantity-btn {
    width: 36px;
    height: 36px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.quantity-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: scale(1.1);
}

.quantity-btn:active {
    transform: scale(0.95);
}

.quantity {
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 30px;
    text-align: center;
    color: var(--text-primary);
}

.btn-remove {
    width: 36px;
    height: 36px;
    border: 2px solid var(--danger);
    background: white;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--danger);
}

.btn-remove:hover {
    background: var(--danger);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}

.btn-remove:active {
    transform: scale(0.95);
}

.quantity-btn:hover {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
}

.quantity-display {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.order-summary {
    padding: 1.25rem 1.5rem;
    border-top: 2px solid var(--border-color);
    background: var(--bg-light);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.summary-line.total {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    border-top: 2px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    margin-bottom: 0;
}

.summary-line.total span:last-child {
    color: var(--success);
}

/* ============================================
   CLAVIER NUMÉRIQUE
   ============================================ */

.keypad-container {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

.keypad-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.keypad-action-btn {
    flex: 1;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.keypad-action-btn:hover {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.keypad-action-btn i {
    font-size: 1.1rem;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.keypad-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    min-height: 48px;
}

.keypad-btn:hover {
    background: var(--accent);
    color: var(--text-white);
    border-color: var(--accent);
    transform: scale(1.05);
}

.keypad-btn:active {
    transform: scale(0.95);
}

/* ============================================
   ACTIONS DE COMMANDE
   ============================================ */

.order-actions {
    padding: 1rem 1.5rem;
    border-top: 2px solid var(--border-color);
    background: var(--bg-light);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-action {
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-action:active {
    transform: translateY(0);
}

.btn-action:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.btn-cash:hover:not(:disabled) {
    background: var(--success-hover);
}

.btn-card {
    background: var(--accent);
}

.btn-card:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-validate {
    background: var(--primary);
    font-size: var(--font-size-lg);
    padding: 1.25rem;
}

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

/* ============================================
   MODAL D'OPTIONS PRODUIT
   ============================================ */

.modal-product-options {
    max-width: 600px;
}

.product-options-header {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.product-options-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.product-options-price {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--accent);
}

.product-options-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.option-checkbox {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.option-checkbox:hover {
    border-color: var(--accent);
    background: var(--bg-light);
    transform: translateY(-2px);
}

.option-checkbox input[type="checkbox"] {
    display: none;
}

.option-checkbox input[type="checkbox"]:checked + .option-content {
    color: var(--accent);
    font-weight: 700;
}

.option-checkbox:has(input[type="checkbox"]:checked),
.option-checkbox.checked {
    border-color: #3498DB;
    background: rgba(52, 152, 219, 0.15);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    transform: scale(1.02);
}

.option-checkbox.checked .option-name {
    color: #3498DB;
    font-weight: 700;
}

.option-checkbox.checked .option-icon {
    filter: brightness(0.9);
}

.option-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.option-icon {
    font-size: 1.5rem;
}

.option-name {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.order-item-options {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-style: italic;
}

.order-item-options i {
    font-size: 0.75rem;
}

/* ============================================
   MODAL DE PAIEMENT
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-light);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.payment-amount-display {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.amount-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.amount-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--success);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-method-btn {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.payment-method-btn:hover {
    border-color: var(--accent);
    background: rgba(52, 152, 219, 0.1);
}

.payment-method-btn.selected {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--text-white);
}

.payment-method-btn i {
    font-size: var(--font-size-2xl);
}

.cash-input-section {
    margin-top: 1.5rem;
}

.cash-input-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cash-input-section input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xl);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
}

.cash-input-section input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.change-display {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    font-weight: 600;
}

.change-display span:last-child {
    color: var(--success);
    font-size: var(--font-size-lg);
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background: var(--bg-light);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-white);
}

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

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

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

/* ============================================
   SCROLLBAR PERSONNALISÉE - GLOBALE
   ============================================ */

/* Scrollbars pour tous les éléments (Firefox) */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color, #E0E0E0) var(--bg-light, #F8F9FA);
}

/* Scrollbars pour tous les éléments (Webkit) */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light, #F8F9FA);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color, #E0E0E0);
    border-radius: 6px;
    border: 2px solid var(--bg-light, #F8F9FA);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #7F8C8D);
}

/* Scrollbars pour la sidebar (plus visible sur fond sombre) */
.pos-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
}

.pos-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.pos-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

/* Scrollbars pour les zones de produits et commandes */
.products-area::-webkit-scrollbar,
.order-summary::-webkit-scrollbar,
.order-list::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

@media (max-width: 1400px) {
    .pos-sidebar {
        width: 180px;
    }
    
    .categories-sidebar {
        width: 160px;
    }
    
    .pos-order {
        width: 350px;
    }
}

@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card,
.order-item {
    animation: fadeIn 0.3s ease-out;
}

/* Améliorations UX */
*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================
   MODAL OPTIONS BURGER
   ============================================ */

.modal-burger-options {
    max-width: 700px;
    width: 90%;
}

.burger-options-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin: -1.5rem -1.5rem 1.5rem -1.5rem;
}

.burger-options-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.burger-options-price {
    font-size: 1.8rem;
    font-weight: 900;
}

.burger-step {
    padding: 1.5rem 0;
    animation: fadeIn 0.3s ease-out;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.burger-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.burger-choice-btn {
    background: var(--bg-secondary);
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.burger-choice-btn:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: var(--accent-light, #EBF5FB);
}

.burger-choice-btn.selected {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: var(--shadow-lg);
}

.burger-choice-btn i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.choice-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--success);
    margin-top: 0.5rem;
}

.burger-choice-btn.selected .choice-price {
    color: white;
}

.burger-options-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.burger-option-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.burger-option-btn:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    background: var(--bg-light);
}

.burger-option-btn.selected {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: var(--shadow-md);
}

.burger-option-btn i {
    font-size: 2rem;
}

.burger-summary {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.burger-summary h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

#burgerSummaryContent {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .burger-choice-grid {
        grid-template-columns: 1fr;
    }
    
    .burger-options-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* États de chargement */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}