/* style.css - Design moderne et responsive */

:root {
    --primary-color: #7a001f; /* Rouge foncé */
    --secondary-color: #ff9eb6; /* Rose clair */
    --accent-color: #d1e061; /* Vert clair */
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Conteneur principal */
.login-container {
    width: 100%;
    max-width: 1200px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    animation: fadeIn 0.5s ease;
}

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

/* En-tête */
.login-header {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 30px 20px;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shine 3s infinite linear;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.logo {
    margin-bottom: 20px;
}

.logo img {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.login-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.login-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Carte de connexion */
.login-card {
    padding: 30px;
    background: var(--light-color);
}

/* Alertes */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

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

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

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

.alert i {
    font-size: 1.2rem;
}

/* Sélection d'utilisateur */
.user-selection h2 {
    color: var(--dark-color);
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.5rem;
}

.user-selection h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.user-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--box-shadow);
}

.user-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.user-card.selected {
    border-color: var(--primary-color);
    background: rgba(122, 0, 31, 0.05);
}

.user-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.user-info {
    flex: 1;
}

.user-info h3 {
    color: var(--dark-color);
    font-size: 1rem;
    margin-bottom: 5px;
}

.user-info p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.user-role {
    display: inline-block;
    background: var(--accent-color);
    color: var(--dark-color);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.user-select {
    color: var(--primary-color);
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition);
}

.user-card:hover .user-select {
    opacity: 1;
}

.no-users {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: var(--border-radius);
    color: #666;
    font-size: 1.1rem;
}

/* Formulaire de connexion */
.login-form-container {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    animation: slideUp 0.5s ease;
}

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

.selected-user-display {
    background: var(--primary-color);
    color: white;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: fadeIn 0.3s ease;
}

.selected-user-display i {
    font-size: 1.5rem;
}

.selected-user-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.selected-user-info p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 25px;
}

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

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(122, 0, 31, 0.1);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 1rem;
    padding: 5px;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary-color);
}

/* Boutons */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn i {
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    background: #600019;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(122, 0, 31, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

/* Pied de page */
.login-footer {
    background: var(--dark-color);
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.login-footer p {
    margin: 8px 0;
}

.login-footer i {
    margin-right: 8px;
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .login-container {
        border-radius: 0;
    }
    
    .user-grid {
        grid-template-columns: 1fr;
    }
    
    .login-header h1 {
        font-size: 2rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .login-footer {
        padding: 15px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .login-card,
    .login-form-container {
        padding: 20px;
    }
    
    .user-card {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    
    .user-info {
        text-align: center;
    }
}

/* Animation de chargement */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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