/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
    --dark: #1f2937;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --info: #3b82f6;
    --gray-50: #f8fafc;
    --gray-600: #475569;
    --shadow: 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);
    --border-radius: 0.75rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--gray-800);
}

/* Navigation moderne */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.navbar .nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.navbar .nav-links a:hover {
    color: var(--primary);
    background: var(--gray-100);
    transform: translateY(-1px);
}

.navbar .nav-links a.active {
    color: var(--primary);
    background: var(--primary);
    color: white;
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Container principal */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Cards modernes */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.card-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Dashboard stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.stat-card:nth-child(2) {
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%);
}

.stat-card:nth-child(3) {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
}

.stat-card:nth-child(4) {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Boutons modernes */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    line-height: 1;
}

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

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-success:hover {
    background: #16a34a;
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Formulaires modernes */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Tables modernes */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

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

.table th {
    background: var(--gray-50);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

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

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    border: 1px solid var(--gray-200);
}

.login-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-error {
    background: #fef2f2;
    border-color: var(--danger);
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border-color: var(--success);
    color: #166534;
}

.alert-info {
    background: #eff6ff;
    border-color: var(--primary);
    color: #1e40af;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 1rem;
    }
    
    .navbar .nav-links {
        gap: 1rem;
    }
    
    .navbar .nav-links a {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    .main-container {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-container {
        overflow-x: auto;
    }
}

/* Utilitaires */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-4 { margin-top: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.w-full { width: 100%; }

/* Styles pour les pages PDF */
.btn-block {
    width: 100%;
    display: block;
    text-align: center;
}

.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Styles pour les éléments en lecture seule */
.form-display {
    padding: 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    color: var(--gray-700);
    min-height: 2.5rem;
    display: flex;
    align-items: center;
}

.form-display:empty::before {
    content: "Non renseigné";
    color: var(--gray-400);
    font-style: italic;
}

/* Permissions et alertes */
.permission-notice {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
    color: var(--gray-600);
}

.permission-notice i {
    font-size: 2rem;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
    display: block;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #1e293b;
        --gray-100: #334155;
        --gray-200: #475569;
    }
}