/* Variables CSS */
:root {
    --primary-color: #10b981;
    --primary-dark: #059669;
    --secondary-color: #6366f1;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --bg-sidebar: #1e293b;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --sidebar-width: 280px;
    --header-height: 70px;
}

html {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

/* Thème sombre (override des variables) */
:root.theme-dark {
    --bg-primary: #1f2937; /* gris 800 plus clair */
    --bg-secondary: #273449; /* légèrement plus clair que le primaire */
    --bg-dark: #0f172a; /* slate 900 */
    --bg-sidebar: #1f2937;

    --text-primary: #f1f5f9; /* slate 100 */
    --text-secondary: #e2e8f0; /* slate 200 */
    --text-light: #cbd5e1; /* slate 300 */
    --text-white: #ffffff;

    --border-color: #475569; /* slate 600 */
    --border-light: #334155; /* slate 700 */

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.45), 0 2px 4px -2px rgb(0 0 0 / 0.45);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.45), 0 4px 6px -4px rgb(0 0 0 / 0.45);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.45), 0 8px 10px -6px rgb(0 0 0 / 0.45);
}

/* Ajustements spécifiques au thème sombre si nécessaire */
.theme-dark .data-table tr:hover { background: rgba(255,255,255,0.06); }
.theme-dark .chip:hover { background: #1f2937; }

/* Halo vert discret en mode sombre */
.theme-dark .panel,
.theme-dark .product-card,
.theme-dark .invoice-card {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(16,185,129,0.10), 0 10px 28px rgba(16,185,129,0.09);
}

.theme-dark .btn:hover,
.theme-dark .btn:focus {
    box-shadow: 0 0 0 2px rgba(16,185,129,0.2), 0 8px 20px rgba(16,185,129,0.18);
}

.theme-dark .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16,185,129,0.25);
}

.theme-dark .chip.active,
.theme-dark .chip:focus {
    box-shadow: 0 0 0 2px rgba(16,185,129,0.2);
}

.theme-dark .price-tier-btn:hover,
.theme-dark .price-tier-btn:focus {
    box-shadow: 0 0 0 2px rgba(16,185,129,0.2), 0 6px 18px rgba(16,185,129,0.14);
}

/* Améliorer la lisibilité générale en sombre */
.theme-dark .header {
    background: var(--bg-primary);
    border-bottom-color: var(--border-color);
}

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

.theme-dark .data-table th {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
}

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

.theme-dark .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.theme-dark .btn-secondary:hover {
    background: #314059;
}

.theme-dark .price-tier-btn {
    background: rgba(255,255,255,0.06);
    border-color: var(--border-color);
}

/* 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(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
}

/* Canvas de particules en fond */
#bg-particles {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none; /* ne bloque pas les clics */
}

.app-container, .main-content {
    position: relative;
}

.sidebar, .header {
    position: relative;
    z-index: 1; /* au-dessus du canvas */
}

/* Visibilité du fond en thème clair */
html:not(.theme-dark) .main-content { background: transparent; }
html:not(.theme-dark) .header { background: rgba(255,255,255,0.85); }
html:not(.theme-dark) .sidebar { background: rgba(30,41,59,0.95); }

/* Eviter le flash de la sidebar avant restauration */
body.preload .sidebar { visibility: hidden; }
body.preload .main-content { visibility: hidden; }

/* Login Page */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.login-header .logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-form label i {
    color: var(--primary-color);
}

.login-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(16 185 129 / 0.1);
}

/* File upload (custom) */
.file-upload {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.file-input {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.file-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.file-label:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.file-name {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.image-preview {
    margin-top: 0.5rem;
    border: 1px dashed var(--border-color);
    background: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    display: none;
}

.image-preview img {
    display: block;
    max-height: 120px;
    border-radius: var(--radius-sm);
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
}

.login-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-white);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-header .logo i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

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

.nav-list {
    list-style: none;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-right: 1rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    transform: translateX(5px);
}

.nav-item.active .nav-link {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.nav-link i {
    width: 1.25rem;
    text-align: center;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-details {
    flex: 1;
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-agence {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: transparent;
}

/* Mode réduit (desktop) */
body.sidebar-collapsed .sidebar {
    width: 72px;
}

body.sidebar-collapsed .main-content {
    margin-left: 72px;
}

body.sidebar-collapsed .nav-link span,
body.sidebar-collapsed .sidebar-header .logo span,
body.sidebar-collapsed .sidebar-footer .user-details {
    display: none;
}

body.sidebar-collapsed .nav-link {
    justify-content: center;
    margin-right: 0;
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

/* Bouton toggle dans le header pour mobile */
.header .sidebar-toggle {
    display: none;
    color: var(--text-primary);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logout-btn {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logout-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

/* Dashboard Content */
.dashboard-content {
    padding: 2rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--primary-dark) 100%);
}

.stat-icon.primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #4f46e5 100%);
}

.stat-info h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Quick Actions */
.quick-actions {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.quick-actions h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.action-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.action-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-card i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* Dashboard Section */
.dashboard-section {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.dashboard-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.data-table tr:hover {
    background: var(--bg-secondary);
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    position: relative;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fed7aa;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.alert-close {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.alert-close:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-content {
        padding: 1rem;
    }
    
    .header {
        padding: 1rem;
    }

    .header .sidebar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: .5rem .75rem;
        border-radius: var(--radius-sm);
        background: var(--bg-secondary);
        color: var(--text-primary);
        box-shadow: var(--shadow-sm);
        margin-right: .5rem;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Animation classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== PAGE PRODUITS ===== */

/* Content */
.content {
    padding: 2rem;
}

/* Filtres et recherche */
.filters-section {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.filters-form {
    width: 100%;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

/* Lignes des paliers de prix (quantité/prix + bouton) */
.prix-tier-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

/* Sélection d'agence */
.selection-container {
	max-width: 720px;
	margin: 0 auto;
}

.selection-card {
	background: var(--bg-primary);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	padding: 2rem;
	position: relative;
}

.selection-header {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1rem;
}

.selection-header .icon {
	width: 48px;
	height: 48px;
	border-radius: 12px;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	box-shadow: var(--shadow-md);
}

.selection-header h2 {
	margin: 0;
	font-size: 1.4rem;
}

.selection-description {
	color: var(--text-secondary);
	margin-bottom: 1.25rem;
}

.selection-actions {
	display: flex;
	align-items: center;
	gap: .75rem;
}

.badge-agency {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	background: var(--bg-secondary);
	border-radius: 999px;
	padding: .4rem .8rem;
	font-size: .9rem;
	color: var(--text-secondary);
}

.selection-divider {
	height: 1px;
	background: var(--border-light);
	margin: 1.25rem 0;
}

/* Grille des produits */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: var(--bg-secondary);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 3rem;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.product-category {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stock {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--success-color);
    color: white;
}

.stock.low {
    background: var(--warning-color);
}

.product-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0 1.5rem 1.5rem;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
    border-radius: var(--radius-md);
}

.tier-buttons {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-left: 6px;
    overflow: visible;
}

.price-tier-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    line-height: 1;
    transition: all 0.2s ease;
}

.price-tier-btn:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.action-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-secondary);
}

/* Boutons de catégorie (couleurs dynamiques) */
.btn-category {
    color: #fff;
    border: none;
}

.btn-category.is-active {
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Header actions */
.header-actions {
    display: flex;
    gap: 1rem;
}

/* Formulaires */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(16 185 129 / 0.1);
}

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

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

/* Forcer 3 colonnes pour les lignes de prix par quantité */
.form-row.prix-tier-row {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* ===== Invoice Builder (Nouvelle facture) ===== */
.invoice-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1rem;
}

.panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.panel-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 600;
}

.panel-body {
    padding: 0.75rem 1rem;
}

.category-chips {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.chip {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem .75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all .2s ease;
}

.chip:hover { background: #eef2f7; }
.chip.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.products-scroll {
    height: auto;
    overflow: visible;
}

.products-table thead th { position: sticky; top: 0; background: var(--bg-primary); z-index: 1; }

.cart-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 1rem;
    border-top: 1px solid var(--border-color);
}

.toolbar-inline {
    display: flex;
    align-items: center;
    gap: .75rem;
}

/* Client suggestions */
.suggestions {
    position: relative;
}

.suggestions-list {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 50;
    overflow: hidden;
}

.suggestion-item {
    padding: .5rem .75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    cursor: pointer;
}

.suggestion-item:hover {
    background: var(--bg-secondary);
}

@media (max-width: 992px) {
    .invoice-grid { grid-template-columns: 1fr; }
}

.modal.show {
    opacity: 1;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

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

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.modal-form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Confirm delete modal - enhanced design */
.confirm-modal .modal-content {
    max-width: 440px;
    padding: 0 1.5rem 1.5rem;
}

.confirm-modal .modal-header {
    padding: 1rem 0 0;
    border: none;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.confirm-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.12);
    color: var(--error-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0.25rem auto 0.75rem;
    font-size: 1.5rem;
}

.confirm-title {
    text-align: center;
    margin: 0 0 0.25rem;
    font-size: 1.125rem;
}

.confirm-text {
    text-align: center;
    color: var(--text-secondary);
}

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

/* Responsive pour les produits */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .product-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .header-actions {
        flex-direction: column;
    }
}

/* ===== PAGE FACTURES ===== */

/* Grille des factures */
.invoices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.invoice-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.invoice-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.invoice-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.invoice-number h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.invoice-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.invoice-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.invoice-status.brouillon {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.invoice-status.envoyee {
    background: #eff6ff;
    color: #1e40af;
}

.invoice-status.payee {
    background: #ecfdf5;
    color: #065f46;
}

.invoice-status.annulee {
    background: #fef2f2;
    color: #991b1b;
}

.invoice-client {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.invoice-client h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.invoice-client p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.invoice-details {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.invoice-amount, .invoice-echeance {
    text-align: center;
}

.invoice-amount .amount {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.invoice-echeance .echeance {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.invoice-amount .label, .invoice-echeance .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== PAGE EMAILS ===== */
.emails-grid {
    display: grid;
    grid-template-columns: 1fr; /* plein largeur (templates en modale) */
    gap: 1rem;
}

.emails-grid .panel {
    min-height: 520px;
}

.emails-grid textarea.form-control {
    min-height: 260px;
}

@media (max-width: 992px) {
    .emails-grid { grid-template-columns: 1fr; }
}

.invoice-actions {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    justify-content: center;
}

/* Bouton info */
.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover {
    background: #2563eb;
}

/* Produit ligne */
.produit-ligne {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.produit-ligne .form-row {
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 0.75rem;
    align-items: end;
}

/* Responsive pour les factures */
@media (max-width: 768px) {
    .invoices-grid {
        grid-template-columns: 1fr;
    }
    
    .invoice-details {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .produit-ligne .form-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .invoice-actions {
        flex-wrap: wrap;
    }
}

/* ===== PAGE CLIENTS ===== */

/* Grille des clients */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.client-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.client-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.client-info {
    flex: 1;
}

.client-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.client-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.client-actions {
    display: flex;
    gap: 0.5rem;
}

.client-details {
    padding: 1rem 1.5rem;
}

.client-contact {
    margin-bottom: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact-item i {
    width: 1rem;
    color: var(--primary-color);
}

.client-stats {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.client-notes {
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.client-notes p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
}

/* Responsive pour les clients */
@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .client-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .client-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .client-actions {
        justify-content: center;
    }
}

/* ===== PAGE STOCKS ===== */

/* Tableau des stocks */
.stocks-table-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-top: 2rem;
}

.produit-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.produit-thumb {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.produit-info div {
    display: flex;
    flex-direction: column;
}

.produit-info strong {
    font-weight: 600;
    color: var(--text-primary);
}

.produit-info small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stock-indicator {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.stock-indicator.normal {
    background: var(--success-color);
    color: white;
}

.stock-indicator.faible {
    background: var(--warning-color);
    color: white;
}

.stock-indicator.rupture {
    background: var(--error-color);
    color: white;
}

.stock-actions {
    display: flex;
    gap: 0.25rem;
}

.stock-faible {
    background: #fffbeb;
}

/* Bouton warning */
.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
}

/* Modal large */
.modal-large .modal-content {
    max-width: 1200px;
    width: 96%;
}

.inventaire-table {
    max-height: 400px;
    overflow-y: auto;
    margin: 1rem 0;
}

.difference {
    font-weight: 600;
}

.difference.positive {
    color: var(--success-color);
}

.difference.negative {
    color: var(--error-color);
}

/* Responsive pour les stocks */
@media (max-width: 768px) {
    .stocks-table-container {
        overflow-x: auto;
    }

    .produit-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .stock-actions {
        flex-direction: column;
        gap: 0.25rem;
    }

    .modal-large .modal-content {
        width: 98%;
        margin: 0.5rem;
    }
}

/* ===== PAGE AGENCES ===== */

/* Grille des agences */
.agences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.agence-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.agence-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.agence-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.agence-info h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.statut-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.statut-badge.active {
    background: var(--success-color);
    color: white;
}

.statut-badge.inactive {
    background: var(--text-secondary);
    color: white;
}

.agence-actions {
    display: flex;
    gap: 0.5rem;
}

.agence-details {
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.detail-item i {
    width: 1rem;
    color: var(--primary-color);
}

.agence-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 500;
}

/* Icônes des statistiques */
.stat-icon.active {
    background: var(--success-color);
}

.stat-icon.inactive {
    background: var(--text-secondary);
}

/* Responsive pour les agences */
@media (max-width: 768px) {
    .agences-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .agence-card {
        padding: 1rem;
    }

    .agence-header {
        flex-direction: column;
        gap: 1rem;
    }

    .agence-actions {
        align-self: flex-end;
    }

    .agence-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-number {
        font-size: 1.25rem;
    }
}

/* ===== PAGE CATÉGORIES ===== */

/* Grille des catégories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* ===== Overrides Thème Sombre (priorité haute) ===== */
.theme-dark .header { background: var(--bg-primary) !important; border-bottom-color: var(--border-color) !important; }
.theme-dark .sidebar { background: var(--bg-sidebar) !important; }
.theme-dark .panel,
.theme-dark .product-card,
.theme-dark .invoice-card { background: var(--bg-primary) !important; }
.theme-dark .main-content { background: var(--bg-secondary) !important; }

.categorie-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.categorie-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.categorie-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.categorie-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.categorie-color {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.categorie-info h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.categorie-actions {
    display: flex;
    gap: 0.5rem;
}

.categorie-description {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
}

.categorie-description p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.categorie-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Sélecteur de couleur */
.color-picker {
    width: 100%;
    height: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: var(--radius-sm);
}

/* Responsive pour les catégories */
@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .categorie-card {
        padding: 1rem;
    }

    .categorie-header {
        flex-direction: column;
        gap: 1rem;
    }

    .categorie-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .categorie-actions {
        align-self: flex-end;
    }

    .categorie-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .stat-number {
        font-size: 1.25rem;
    }
}

/* Visibilité du fond en thème sombre (au-dessus des overrides précédents) */
.theme-dark .main-content { background: transparent !important; }
.theme-dark .header { background: rgba(31,41,55,0.85) !important; }
.theme-dark .sidebar { background: rgba(31,41,55,0.95) !important; }