/* Orange Design System - Variables */
:root {
    /* Couleurs Orange - Révisées pour plus d'harmonie */
    --orange-primary: #FF6600;
    --orange-primary-dark: #CC5500;
    --orange-primary-light: #FF8533;
    --orange-secondary: #FF7900;
    --orange-accent: #FF9933;
    --orange-gradient: linear-gradient(135deg, #FF6600 0%, #E55A00 100%);
    --orange-gradient-light: linear-gradient(135deg, #FF8533 0%, #FF6600 100%);
    --orange-hover: #FF7700;
    
    /* Couleurs neutres - Révisées */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #1A1A1A;
    --black: #000000;
    
    /* Couleurs fonctionnelles */
    --success: #4CAF50;
    --success-light: #81C784;
    --error: #F44336;
    --error-light: #E57373;
    --warning: #FF9800;
    --warning-light: #FFB74D;
    --info: #2196F3;
    --info-light: #64B5F6;
    
    /* Typographie */
    --font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-orange: 0 10px 25px -5px rgba(255, 102, 0, 0.3);
    
    /* Bordures */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background: #F8F9FA;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Layout avec Sidebar */
.app-layout {
    display: flex;
    min-height: 100vh;
    background: #FAFAFA;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: #1A1A1A;
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
    border-right: 1px solid rgba(255, 102, 0, 0.1);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 102, 0, 0.3);
    border-radius: var(--radius-full);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 102, 0, 0.5);
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo-circle {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--orange-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.logo-text h2 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
}

.logo-text p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-500);
    margin: 0 0 var(--spacing-md) var(--spacing-md);
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-300);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

.nav-item:hover {
    background: rgba(255, 102, 0, 0.15);
    color: var(--white);
    transform: translateX(4px);
}

.nav-item.active {
    background: var(--orange-gradient);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
    border-left: 3px solid var(--orange-primary-light);
}

.nav-item-button {
    color: var(--gray-300);
}

.nav-item-button:hover {
    background: rgba(244, 67, 54, 0.1);
    color: #F44336;
}

.nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-icon.ti {
    font-size: 1.25rem;
    stroke-width: 1.5;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Header */
.top-header {
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-2xl);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-bottom: 2px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
}

.header-left {
    flex: 1;
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: #1A1A1A;
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    margin: 0;
    font-weight: 400;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
}

.user-profile:hover {
    background: var(--gray-100);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 600;
    color: #000000;
    font-size: var(--font-size-sm);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--orange-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
}

/* Content Area */
.content-area {
    flex: 1;
    padding: var(--spacing-2xl);
    background: #F8F9FA;
}

/* Header Orange - Conservé pour compatibilité */
.orange-header {
    background: var(--orange-gradient);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.orange-header h1 {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.orange-header h1::before {
    content: '📊';
    font-size: 1.5em;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Navigation */
.orange-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.orange-nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Boutons Orange - Améliorés avec animations */
.btn-orange {
    background: var(--orange-gradient);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
    min-height: 44px;
}

.btn-orange::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-orange:hover::before {
    width: 300px;
    height: 300px;
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 102, 0, 0.35);
    background: var(--orange-hover);
    color: var(--white);
    text-decoration: none;
}

.btn-orange:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-orange:focus {
    outline: none;
    box-shadow: var(--shadow-orange), 0 0 0 3px rgba(255, 102, 0, 0.2);
}

.btn-orange-outline {
    background-color: #1A1A1A;
    color: var(--white);
    border: 2px solid #1A1A1A;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-orange-outline:hover {
    background-color: var(--orange-primary);
    color: var(--white);
    border-color: var(--orange-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 102, 0, 0.3);
    text-decoration: none;
}

.btn-orange-secondary {
    background-color: #1A1A1A;
    color: var(--white);
    border: 2px solid #1A1A1A;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-orange-secondary:hover {
    background: var(--orange-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 102, 0, 0.3);
    text-decoration: none;
}

/* Cards Orange - Améliorées */
.orange-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.orange-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--orange-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.orange-card:hover::before {
    transform: scaleX(1);
}

.orange-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
    border-color: var(--gray-300);
}

.orange-card-header {
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.orange-card-header h3 {
    margin: 0;
    color: var(--orange-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* KPI Cards - Améliorées avec animations */
.kpi-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    border-top: 4px solid var(--orange-primary);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--gray-200);
}

.kpi-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 102, 0, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.kpi-card:hover::after {
    opacity: 1;
}

.kpi-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px) scale(1.02);
    border-top-color: var(--orange-primary-light);
}

.kpi-card h5 {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 var(--spacing-md) 0;
    transition: color var(--transition-base);
}

.kpi-card:hover h5 {
    color: var(--orange-primary);
}

.kpi-card .kpi-value {
    color: var(--orange-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    background: var(--orange-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-base);
}

.kpi-card:hover .kpi-value {
    transform: scale(1.05);
}

.kpi-icon-wrapper {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.1) 0%, rgba(255, 102, 0, 0.05) 100%);
    border-radius: var(--radius-lg);
    margin: 0 auto 1rem;
    transition: all var(--transition-base);
}

.kpi-card:hover .kpi-icon-wrapper {
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.2) 0%, rgba(255, 102, 0, 0.1) 100%);
    transform: scale(1.1);
}

.kpi-icon-wrapper .ti {
    stroke-width: 1.5;
}

/* Formulaires - Améliorés */
.orange-form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.orange-form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

.orange-form-group:focus-within .orange-form-label {
    color: var(--orange-primary);
}

.orange-form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    font-family: var(--font-family);
    background: var(--white);
}

.orange-form-input:hover {
    border-color: var(--gray-400);
}

.orange-form-input:focus {
    outline: none;
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.1);
    transform: translateY(-1px);
}

.orange-form-input::placeholder {
    color: var(--gray-400);
}

/* Tableaux - Améliorés */
.orange-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.orange-table thead {
    background: var(--orange-gradient);
    color: var(--white);
}

.orange-table th {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: left;
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
}

.orange-table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
}

.orange-table td {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.orange-table tbody tr {
    transition: all var(--transition-fast);
}

.orange-table tbody tr:hover {
    background-color: var(--gray-50);
    transform: scale(1.01);
}

.orange-table tbody tr:last-child td {
    border-bottom: none;
}

.orange-table tbody tr td:first-child {
    font-weight: 600;
    color: var(--gray-900);
}

/* Alerts - Améliorées */
.orange-alert {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.orange-alert-success {
    background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
    color: #2E7D32;
    border-left-color: var(--success);
}

.orange-alert-error {
    background: linear-gradient(135deg, #FFEBEE 0%, #FCE4EC 100%);
    color: #C62828;
    border-left-color: var(--error);
}

.orange-alert-warning {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFF8E1 100%);
    color: #E65100;
    border-left-color: var(--warning);
}

.orange-alert-info {
    background: linear-gradient(135deg, #E3F2FD 0%, #E1F5FE 100%);
    color: #1565C0;
    border-left-color: var(--info);
}

/* Badges */
.orange-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
}

.orange-badge-primary {
    background: var(--orange-gradient);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.orange-badge-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.orange-badge-error {
    background: linear-gradient(135deg, var(--error) 0%, var(--error-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Container */
.orange-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    animation: fadeIn 0.5s ease-out;
}

/* Responsive pour le nouveau layout */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section */
.orange-section {
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.6s ease-out;
}

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

.orange-section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.orange-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--orange-gradient);
    border-radius: var(--radius-full);
}

/* Charts */
.orange-chart-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.orange-chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--orange-gradient);
}

.orange-chart-container:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.orange-chart-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.orange-chart-title .ti {
    stroke-width: 1.5;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .orange-nav {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .orange-nav-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .orange-nav-actions .btn-orange,
    .orange-nav-actions .btn-orange-outline {
        width: 100%;
        justify-content: center;
    }
    
    .orange-container {
        padding: var(--spacing-md);
    }
    
    .kpi-card .kpi-value {
        font-size: var(--font-size-2xl);
    }
    
    .orange-section-title {
        font-size: var(--font-size-2xl);
    }
    
    .orange-table {
        font-size: var(--font-size-xs);
    }
    
    .orange-table th,
    .orange-table td {
        padding: var(--spacing-md);
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--orange-gradient);
    border-radius: var(--radius-full);
    border: 2px solid var(--gray-100);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--orange-primary-dark);
}

/* Utilities */
.text-orange {
    color: var(--orange-primary) !important;
}

.bg-orange {
    background: var(--orange-gradient) !important;
}

.gradient-text {
    background: var(--orange-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations d'entrée */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

/* Focus visible pour accessibilité */
*:focus-visible {
    outline: 2px solid var(--orange-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Selection */
::selection {
    background: var(--orange-primary);
    color: var(--white);
}

::-moz-selection {
    background: var(--orange-primary);
    color: var(--white);
}