/**
 * GFA Formations - Styles principaux
 * Respect de la charte graphique : blanc (#FFFFFF), rouge (#DE3834), noir (#030101)
 */

/* Variables CSS */
:root {
    --gfa-white: #FFFFFF;
    --gfa-red: #DE3834;
    --gfa-black: #030101;
    --gfa-gray-light: #f8f9fa;
    --gfa-gray: #6c757d;
    --gfa-gray-dark: #495057;
    --gfa-success: #28a745;
    --gfa-warning: #ffc107;
    --gfa-info: #17a2b8;
}

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

.gfa-formations-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gfa-black);
}

/* Boutons */
.gfa-btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.gfa-btn-primary:hover {
    background: #c42e2a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(222, 56, 52, 0.3);
}

.gfa-btn-secondary {
    background: var(--gfa-gray);
    color: var(--gfa-white);
}

.gfa-btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.gfa-btn-outline {
    background: transparent;
    color: var(--gfa-red);
    border-color: var(--gfa-red);
}

.gfa-btn-outline:hover {
    background: var(--gfa-red);
    color: var(--gfa-white);
}

.gfa-btn-outline:hover {
    background: var(--gfa-red);
    color: var(--gfa-white);
}

/* Formulaires */
.gfa-form-group {
    margin-bottom: 20px;
}

.gfa-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gfa-black);
    font-size: 14px;
}

.gfa-form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--gfa-white);
}

.gfa-form-control:focus {
    outline: none;
    border-color: var(--gfa-red);
    box-shadow: 0 0 0 3px rgba(222, 56, 52, 0.1);
}

.gfa-form-control:invalid {
    border-color: #dc3545;
}

.gfa-form-control:valid {
    border-color: var(--gfa-success);
}

/* Messages */
.gfa-message {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.gfa-message-success {
    background: #d4edda;
    color: #155724;
    border-left-color: var(--gfa-success);
}

.gfa-message-error {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.gfa-message-warning {
    background: #fff3cd;
    color: #856404;
    border-left-color: var(--gfa-warning);
}

.gfa-message-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left-color: var(--gfa-info);
}

/* Cartes */
.gfa-card {
    background: var(--gfa-white);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.gfa-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.gfa-card-header {
    border-bottom: 2px solid var(--gfa-gray-light);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.gfa-card-title {
    margin: 0;
    color: var(--gfa-black);
    font-size: 1.5rem;
    font-weight: 600;
}

.gfa-card-subtitle {
    margin: 5px 0 0 0;
    color: var(--gfa-gray);
    font-size: 1rem;
}

/* Grilles */
.gfa-grid {
    display: grid;
    gap: 20px;
}

.gfa-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.gfa-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.gfa-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Badges de statut */
.gfa-status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    min-width: 80px;
}

.gfa-status-nouveau { background: #007cba; color: var(--gfa-white); }
.gfa-status-relance { background: #ff8a00; color: var(--gfa-white); }
.gfa-status-paiement { background: var(--gfa-success); color: var(--gfa-white); }
.gfa-status-en_attente_paiement { background: var(--gfa-warning); color: var(--gfa-black); }
.gfa-status-paiement_valide { background: var(--gfa-info); color: var(--gfa-white); }
.gfa-status-formation_planifiee { background: #6f42c1; color: var(--gfa-white); }
.gfa-status-formation_en_cours { background: #fd7e14; color: var(--gfa-white); }
.gfa-status-formation_terminee { background: #20c997; color: var(--gfa-white); }
.gfa-status-qcm_passe { background: var(--gfa-success); color: var(--gfa-white); }
.gfa-status-certifie { background: #198754; color: var(--gfa-white); }
.gfa-status-sorti { background: #dc3545; color: var(--gfa-white); }

/* Tableaux */
.gfa-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--gfa-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gfa-table th,
.gfa-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.gfa-table th {
    background: var(--gfa-gray-light);
    font-weight: 600;
    color: var(--gfa-black);
    font-size: 14px;
}

.gfa-table tr:hover {
    background: var(--gfa-gray-light);
}

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

/* Navigation */
.gfa-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 10px;
}

.gfa-nav-item {
    margin: 0;
}

.gfa-nav-link {
    display: block;
    padding: 10px 20px;
    color: var(--gfa-black);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gfa-nav-link:hover {
    background: var(--gfa-gray-light);
    color: var(--gfa-red);
}

.gfa-nav-link.active {
    background: var(--gfa-red);
    color: var(--gfa-white);
}

/* Onglets */
.gfa-tabs {
    border-bottom: 2px solid var(--gfa-gray-light);
    margin-bottom: 30px;
}

.gfa-tab-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.gfa-tab-item {
    margin: 0;
}

.gfa-tab-link {
    display: block;
    padding: 15px 25px;
    color: var(--gfa-gray);
    text-decoration: none;
    border-radius: 8px 8px 0 0;
    transition: all 0.3s ease;
    font-weight: 500;
    border: 2px solid transparent;
    border-bottom: none;
}

.gfa-tab-link:hover {
    color: var(--gfa-red);
    background: var(--gfa-gray-light);
}

.gfa-tab-link.active {
    color: var(--gfa-red);
    background: var(--gfa-white);
    border-color: var(--gfa-gray-light);
    border-bottom-color: var(--gfa-white);
    margin-bottom: -2px;
}

.gfa-tab-content {
    padding: 30px 0;
}

/* Modales */
.gfa-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.gfa-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gfa-modal-content {
    background: var(--gfa-white);
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
}

.gfa-modal-header {
    border-bottom: 2px solid var(--gfa-gray-light);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.gfa-modal-title {
    margin: 0;
    color: var(--gfa-black);
    font-size: 1.5rem;
    font-weight: 600;
}

.gfa-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gfa-gray);
    transition: color 0.3s ease;
}

.gfa-modal-close:hover {
    color: var(--gfa-red);
}

/* Alertes */
.gfa-alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 12px;
}

.gfa-alert-icon {
    font-size: 20px;
}

.gfa-alert-success {
    background: #d4edda;
    color: #155724;
    border-left-color: var(--gfa-success);
}

.gfa-alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.gfa-alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left-color: var(--gfa-warning);
}

.gfa-alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left-color: var(--gfa-info);
}

/* Barres de progression */
.gfa-progress {
    background: var(--gfa-gray-light);
    border-radius: 10px;
    height: 10px;
    overflow: hidden;
    margin: 15px 0;
}

.gfa-progress-bar {
    height: 100%;
    background: var(--gfa-red);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Pagination */
.gfa-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
}

.gfa-page-link {
    display: block;
    padding: 10px 15px;
    color: var(--gfa-black);
    text-decoration: none;
    border: 2px solid var(--gfa-gray-light);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gfa-page-link:hover {
    border-color: var(--gfa-red);
    color: var(--gfa-red);
}

.gfa-page-link.active {
    background: var(--gfa-red);
    color: var(--gfa-white);
    border-color: var(--gfa-red);
}

/* Utilitaires */
.gfa-text-center { text-align: center; }
.gfa-text-left { text-align: left; }
.gfa-text-right { text-align: right; }

.gfa-mt-0 { margin-top: 0; }
.gfa-mt-1 { margin-top: 0.25rem; }
.gfa-mt-2 { margin-top: 0.5rem; }
.gfa-mt-3 { margin-top: 1rem; }
.gfa-mt-4 { margin-top: 1.5rem; }
.gfa-mt-5 { margin-top: 3rem; }

.gfa-mb-0 { margin-bottom: 0; }
.gfa-mb-1 { margin-bottom: 0.25rem; }
.gfa-mb-2 { margin-bottom: 0.5rem; }
.gfa-mb-3 { margin-bottom: 1rem; }
.gfa-mb-4 { margin-bottom: 1.5rem; }
.gfa-mb-5 { margin-bottom: 3rem; }

.gfa-p-0 { padding: 0; }
.gfa-p-1 { padding: 0.25rem; }
.gfa-p-2 { padding: 0.5rem; }
.gfa-p-3 { padding: 1rem; }
.gfa-p-4 { padding: 1.5rem; }
.gfa-p-5 { padding: 3rem; }

.gfa-d-none { display: none; }
.gfa-d-block { display: block; }
.gfa-d-inline { display: inline; }
.gfa-d-inline-block { display: inline-block; }
.gfa-d-flex { display: flex; }
.gfa-d-grid { display: grid; }

/* Responsive */
@media (max-width: 768px) {
    .gfa-grid-2,
    .gfa-grid-3,
    .gfa-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .gfa-nav {
        flex-direction: column;
    }
    
    .gfa-tab-list {
        flex-direction: column;
    }
    
    .gfa-tab-link {
        border-radius: 8px;
        border: 2px solid var(--gfa-gray-light);
        margin-bottom: 5px;
    }
    
    .gfa-tab-link.active {
        margin-bottom: 5px;
        border-bottom-color: var(--gfa-gray-light);
    }
    
    .gfa-modal-content {
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    .gfa-table {
        font-size: 14px;
    }
    
    .gfa-table th,
    .gfa-table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .gfa-btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .gfa-card {
        padding: 20px;
    }
    
    .gfa-modal-content {
        padding: 20px;
    }
}

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

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

@keyframes gfa-scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.gfa-fade-in {
    animation: gfa-fadeIn 0.3s ease-out;
}

.gfa-slide-in {
    animation: gfa-slideIn 0.3s ease-out;
}

.gfa-scale-in {
    animation: gfa-scaleIn 0.3s ease-out;
}

/* États de chargement */
.gfa-loading {
    position: relative;
    pointer-events: none;
}

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

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

/* Focus visible pour l'accessibilité */
.gfa-btn:focus-visible,
.gfa-form-control:focus-visible,
.gfa-nav-link:focus-visible {
    outline: 3px solid var(--gfa-red);
    outline-offset: 2px;
}

/* Mode sombre (si supporté) */
@media (prefers-color-scheme: dark) {
    .gfa-formations-container {
        background: #1a1a1a;
        color: var(--gfa-white);
    }
    
    .gfa-card {
        background: #2d2d2d;
        border-color: #404040;
    }
    
    .gfa-form-control {
        background: #2d2d2d;
        color: var(--gfa-white);
        border-color: #404040;
    }
    
    .gfa-table th {
        background: #404040;
    }
    
    .gfa-table tr:hover {
        background: #404040;
    }
}