/**
 * NPR GESTION - FEUILLE DE STYLES PERSONNALISÉE
 * ==============================================
 * 
 * Styles personnalisés pour l'interface de gestion des droits d'accès
 * Compatible Bootstrap 5.3.0
 * Design moderne et responsive
 * 
 * Structure :
 * 1. Variables CSS
 * 2. Styles généraux
 * 3. Navigation
 * 4. Dashboard et cartes
 * 5. Tableaux
 * 6. Formulaires
 * 7. Boutons
 * 8. Sections et animations
 * 9. Responsive
 */

/* ===== 1. VARIABLES CSS ===== */
:root {
    /* Couleurs principales */
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #0891b2;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    
    /* Couleurs étendues */
    --primary-hover: #1d4ed8;
    --border-color: #e2e8f0;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-heavy: rgba(0, 0, 0, 0.15);
    
    /* Espacement */
    --border-radius-sm: 6px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Typographie */
    --font-family-base: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* ===== 2. STYLES GÉNÉRAUX ===== */
body {
    background-color: var(--light-color);
    font-family: var(--font-family-base);
    color: var(--dark-color);
    line-height: 1.6;
}

/* Amélioration du focus pour l'accessibilité */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Scrollbars personnalisées (WebKit) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ===== 3. NAVIGATION ===== */

/* Navbar personnalisée */
.navbar-custom {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    box-shadow: 0 2px 10px var(--shadow-medium);
    border: none;
    padding: 0.75rem 0;
}

.navbar-custom .navbar-brand {
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: white !important;
    text-decoration: none;
    transition: var(--transition-normal);
}

.navbar-custom .navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-custom .nav-link {
    color: white !important;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
}

.navbar-custom .dropdown-menu {
    border: none;
    box-shadow: 0 4px 20px var(--shadow-medium);
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
}

.navbar-custom .dropdown-item {
    transition: var(--transition-fast);
    padding: 0.5rem 1rem;
}

.navbar-custom .dropdown-item:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

/* Sidebar navigation */
.sidebar {
    background: white;
    box-shadow: 2px 0 10px var(--shadow-light);
    min-height: 100vh;
    transition: var(--transition-slow);
    border-right: 1px solid var(--border-color);
}

.sidebar-heading {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.nav-link-custom {
    color: var(--dark-color);
    padding: 12px 20px;
    margin: 4px 8px;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    border-left: 4px solid transparent;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
}

.nav-link-custom i {
    width: 20px;
    text-align: center;
}

.nav-link-custom:hover,
.nav-link-custom.active {
    background-color: var(--primary-color);
    color: white;
    border-left-color: var(--primary-hover);
    transform: translateX(5px);
    text-decoration: none;
}

.nav-link-custom:hover {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    transform: translateX(3px);
}

.nav-link-custom.active:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* ===== 4. DASHBOARD ET CARTES ===== */

/* Cartes dashboard */
.dashboard-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    opacity: 0;
    transition: var(--transition-normal);
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow-medium);
}

.dashboard-card:hover::before {
    opacity: 1;
}

/* Icônes métriques */
.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-normal);
}

.dashboard-card:hover .metric-icon {
    transform: scale(1.1);
}

/* Barres de progression personnalisées */
.progress {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.progress-bar {
    transition: width 1s ease-in-out;
}

/* ===== 5. TABLEAUX ===== */

/* Conteneur tableau personnalisé */
.table-custom {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-light);
    border: 1px solid var(--border-color);
}

/* En-têtes de tableau */
.table thead th {
    background: var(--primary-color);
    color: white;
    border: none;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    padding: 1rem 0.75rem;
    position: relative;
}

.table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: white;
    transition: var(--transition-normal);
}

.table thead th:hover::after {
    width: 60%;
    left: 20%;
}

/* Lignes de tableau */
.table tbody tr {
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.05);
    transform: scale(1.005);
}

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

.table td, .table th {
    vertical-align: middle;
    padding: 0.75rem;
}

/* Lignes d'alerte dans les tableaux */
.table-warning {
    background-color: rgba(217, 119, 6, 0.1) !important;
}

.table-danger {
    background-color: rgba(220, 38, 38, 0.1) !important;
}

/* ===== 6. FORMULAIRES ===== */

/* Champs flottants améliorés */
.form-floating > .form-control,
.form-floating > .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    background-color: white;
}

.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
    background-color: white;
}

.form-floating > label {
    color: var(--secondary-color);
    font-weight: var(--font-weight-medium);
}

/* États de validation */
.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--success-color);
    background-image: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
    background-image: none;
}

/* Feedback de validation */
.invalid-feedback {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.valid-feedback {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

/* Switches personnalisés */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.25);
}

/* ===== 7. BOUTONS ===== */

/* Boutons personnalisés */
.btn-custom {
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    padding: 8px 20px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
}

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

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

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

.btn-primary-custom:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    color: white;
}

/* Groupes de boutons */
.btn-group-sm .btn {
    transition: var(--transition-normal);
}

.btn-group-sm .btn:hover {
    transform: scale(1.1);
    z-index: 2;
}

/* ===== 8. BADGES ET LABELS ===== */

/* Badges de statut personnalisés */
.badge-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Badges avec animations */
.badge {
    transition: var(--transition-normal);
}

.badge:hover {
    transform: scale(1.05);
}

/* ===== 9. MODALES ===== */

/* Modales personnalisées */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px var(--shadow-heavy);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    border-bottom: none;
}

.modal-header .btn-close {
    filter: invert(1);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--light-color);
}

/* ===== 10. ALERTES ===== */

/* Alertes personnalisées */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
    font-weight: var(--font-weight-medium);
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--danger-color);
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--warning-color);
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: rgba(8, 145, 178, 0.1);
    color: var(--info-color);
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--success-color);
}

/* ===== 11. SECTIONS ET ANIMATIONS ===== */

/* Sections cachées par défaut */
.section-content {
    display: none;
}

.section-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Animation de chargement */
.loading {
    animation: pulse 2s infinite;
}

/* ===== 12. PAGINATION ===== */

/* Pagination personnalisée */
.pagination .page-link {
    border: 1px solid var(--border-color);
    color: var(--dark-color);
    transition: var(--transition-normal);
    border-radius: var(--border-radius);
    margin: 0 2px;
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ===== 13. UTILITAIRES ===== */

/* Classes utilitaires personnalisées */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 4px 6px var(--shadow-light) !important;
}

.shadow-custom-lg {
    box-shadow: 0 8px 20px var(--shadow-medium) !important;
}

.border-custom {
    border: 1px solid var(--border-color) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6) !important;
}

/* ===== 14. RESPONSIVE ===== */

/* Tablettes */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1040;
        width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .dashboard-card {
        margin-bottom: 1rem;
    }
    
    .metric-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* Mobiles */
@media (max-width: 767.98px) {
    .sidebar {
        width: 250px;
    }
    
    .table-custom {
        border-radius: 0;
        margin: 0 -15px;
    }
    
    .dashboard-card {
        border-radius: var(--border-radius);
    }
    
    .btn-group-sm .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
    
    .navbar-custom .navbar-brand {
        font-size: 1.25rem;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
}

/* Très petits écrans */
@media (max-width: 575.98px) {
    .sidebar {
        width: 100%;
    }
    
    .dashboard-card .metric-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .form-floating > .form-control,
    .form-floating > .form-select {
        font-size: 0.9rem;
    }
}

/* Mode sombre (optionnel - à activer via JavaScript) */
@media (prefers-color-scheme: dark) {
    .dark-mode {
        --light-color: #1e293b;
        --dark-color: #f8fafc;
        --border-color: #374151;
        --shadow-light: rgba(0, 0, 0, 0.3);
    }
    
    .dark-mode body {
        background-color: var(--light-color);
        color: var(--dark-color);
    }
    
    .dark-mode .dashboard-card,
    .dark-mode .sidebar,
    .dark-mode .table-custom {
        background-color: #374151;
        border-color: var(--border-color);
    }
    
    .dark-mode .form-floating > .form-control,
    .dark-mode .form-floating > .form-select {
        background-color: #374151;
        border-color: var(--border-color);
        color: var(--dark-color);
    }
}

/* ===== 15. IMPRESSIONS ===== */
@media print {
    .sidebar,
    .navbar-custom,
    .btn,
    .pagination {
        display: none !important;
    }
    
    .section-content {
        display: block !important;
    }
    
    .table-custom {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .dashboard-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}

/* ===== 16. ACCESSIBILITÉ ===== */

/* Amélioration pour les lecteurs d'écran */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus visible amélioré */
.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Réduction des mouvements pour les utilisateurs sensibles */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}