/* ============================================ */
/* AUTH.CSS - Styles pour l'authentification */
/* ============================================ */

/* Écran d'authentification principal */
.auth-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.auth-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    max-height: 90vh;
    overflow: hidden;
    animation: authSlideIn 0.5s ease;
}

@keyframes authSlideIn {
    from {
        transform: translateY(-30px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Header d'authentification */
.auth-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.auth-header h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.auth-header p {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    opacity: 0.9;
    line-height: 1.4;
}

/* Contenu d'authentification */
.auth-content {
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

/* Onglets Login/Register */
.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.auth-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.auth-tab:hover:not(.active) {
    background: var(--bg-primary);
    color: var(--primary-color);
}

/* Formulaires d'authentification */
.auth-form {
    display: none;
    animation: formFadeIn 0.3s ease;
}

.auth-form.active {
    display: block;
}

@keyframes formFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.auth-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.auth-form input,
.auth-form select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 48px;
}

.auth-form input:focus,
.auth-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.auth-form .form-help {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    display: block;
    line-height: 1.3;
}

.auth-form .form-actions {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.auth-form .btn-auth {
    width: 100%;
    justify-content: center;
    position: relative;
    min-height: 48px;
    font-size: 1rem;
    font-weight: 600;
}

/* Messages d'authentification */
.auth-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    text-align: center;
    animation: messageSlideIn 0.3s ease;
    line-height: 1.4;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.success {
    background: linear-gradient(135deg, #d1f2eb 0%, #a3d5c4 100%);
    color: #0c5460;
    border: 1px solid #a3d5c4;
}

.auth-message.error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.auth-message.info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.auth-message.warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Information d'approbation */
.auth-info {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 1px solid #90caf9;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.auth-info p {
    color: #1565c0;
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

/* Section utilisateur dans le header */
.user-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0 var(--spacing-md);
}

.auth-login {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.auth-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-welcome {
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    background: rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.8rem;
}

.user-menu-btn:hover {
    background: rgba(255, 255, 255, 0.3) !important;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 150px;
    z-index: var(--z-tooltip);
    margin-top: var(--spacing-xs);
}

.user-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    font-size: 0.9rem;
}

/* Continuation du fichier auth.css à partir de .user-dropdown a:hover */

.user-dropdown a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

/* Boutons de l'écran d'auth */
.auth-form .btn-text,
.auth-form .btn-spinner {
    transition: opacity var(--transition-fast);
}

.auth-form .btn-spinner {
    display: inline-block;
    font-size: 1.2rem;
    animation: spin 1s linear infinite;
}

/* États spéciaux des inputs */
.auth-form input.error {
    border-color: var(--error-color);
    background: #fff5f5;
}

.auth-form input.success {
    border-color: var(--success-color);
    background: #f0fff4;
}

/* Modal d'authentification (si utilisé) */
.auth-modal .modal-content {
    width: 90vw;
    max-width: 450px;
    max-height: 90vh;
}

.auth-modal .auth-content {
    background: var(--bg-primary);
}

.auth-modal .auth-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg);
}

.auth-modal .auth-body {
    padding: var(--spacing-xl);
    text-align: left;
}

/* Responsive pour l'écran d'auth */
@media screen and (max-width: 768px) {
    .auth-screen {
        padding: var(--spacing-sm);
    }
    
    .auth-container {
        max-width: 100%;
        max-height: 95vh;
        border-radius: var(--radius-xl);
    }
    
    .auth-header {
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    
    .auth-content {
        padding: var(--spacing-lg) var(--spacing-md);
        max-height: calc(95vh - 100px);
    }
    
    .auth-form .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .auth-tabs {
        margin-bottom: var(--spacing-lg);
    }
    
    .auth-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }
    
    .user-section {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media screen and (max-width: 480px) {
    .auth-header h1 {
        font-size: 1.3rem;
    }
    
    .auth-header p {
        font-size: 0.8rem;
    }
    
    .auth-content {
        padding: var(--spacing-md);
    }
    
    .auth-form input,
    .auth-form select {
        min-height: 44px;
        font-size: 16px; /* Évite le zoom sur iOS */
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .auth-form .btn-auth {
        min-height: 44px;
        font-size: 0.9rem;
    }
    
    .auth-message {
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    
    .auth-info p {
        font-size: 0.8rem;
    }
    
    .user-welcome {
        max-width: 100px;
    }
    
    .auth-section {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media screen and (max-width: 320px) {
    .auth-container {
        margin: var(--spacing-xs);
        max-width: calc(100vw - 16px);
    }
    
    .auth-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .auth-content {
        padding: var(--spacing-sm);
    }
}

/* Dark mode pour l'écran d'auth */
@media (prefers-color-scheme: dark) {
    .auth-container {
        background: rgba(26, 26, 26, 0.95);
        color: var(--dark-text-primary);
    }
    
    .auth-form input,
    .auth-form select {
        background: var(--dark-bg-tertiary);
        color: var(--dark-text-primary);
        border-color: var(--dark-border-color);
    }
    
    .auth-form input:focus,
    .auth-form select:focus {
        border-color: var(--primary-color);
        background: var(--dark-bg-secondary);
    }
    
    .auth-form label {
        color: var(--dark-text-primary);
    }
    
    .auth-form .form-help {
        color: var(--dark-text-secondary);
    }
    
    .auth-tabs {
        background: var(--dark-bg-tertiary);
    }
    
    .auth-tab {
        color: var(--dark-text-secondary);
    }
    
    .auth-tab:hover:not(.active) {
        background: var(--dark-bg-secondary);
        color: var(--primary-color);
    }
    
    .auth-message.success {
        background: #1a2e1a;
        color: #4ade80;
        border-color: #22c55e;
    }
    
    .auth-message.error {
        background: #2e1a1a;
        color: #f87171;
        border-color: #ef4444;
    }
    
    .auth-message.info {
        background: #1a2a2e;
        color: #60a5fa;
        border-color: #3b82f6;
    }
    
    .auth-message.warning {
        background: #2e2a1a;
        color: #fbbf24;
        border-color: #f59e0b;
    }
    
    .auth-info {
        background: #1a252e;
        border-color: #1e40af;
    }
    
    .auth-info p {
        color: #60a5fa;
    }
    
    .user-dropdown {
        background: var(--dark-bg-secondary);
        border: 1px solid var(--dark-border-color);
    }
    
    .user-dropdown a {
        color: var(--dark-text-primary);
    }
    
    .user-dropdown a:hover {
        background: var(--dark-bg-tertiary);
    }
}

/* Touch improvements pour mobile */
@media (hover: none) and (pointer: coarse) {
    .auth-tab:hover {
        transform: none;
    }
    
    .auth-form input:hover,
    .auth-form select:hover {
        transform: none;
    }
    
    .auth-form .btn-auth:hover {
        transform: none;
    }
}

/* Animations réduites */
@media (prefers-reduced-motion: reduce) {
    .auth-container,
    .auth-form,
    .auth-message {
        animation: none;
    }
    
    .auth-form .btn-spinner {
        animation: none;
    }
}

/* Focus visible amélioré */
.auth-tab:focus-visible,
.auth-form input:focus-visible,
.auth-form select:focus-visible,
.auth-form button:focus-visible {
    outline: 3px solid rgba(52, 152, 219, 0.5);
    outline-offset: 2px;
}

/* Haute résolution */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .auth-form input,
    .auth-form select {
        border-width: 1px;
    }
}

/* États de chargement pour les boutons d'auth */
.btn-auth .btn-text {
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.btn-auth .btn-spinner {
    opacity: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-fast);
}

.btn-auth.loading .btn-text {
    opacity: 0;
}

.btn-auth.loading .btn-spinner {
    opacity: 1;
}

/* Amélioration de l'accessibilité */
.auth-form input:invalid {
    border-color: var(--error-color);
}

.auth-form input:valid {
    border-color: var(--success-color);
}

/* Animation de pulsation pour les éléments en attente */
.auth-pending {
    animation: authPulse 2s ease-in-out infinite;
}

@keyframes authPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Messages d'erreur inline */
.field-error {
    color: var(--error-color);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.field-success {
    color: var(--success-color);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* Indicateur de force du mot de passe */
.password-strength {
    margin-top: var(--spacing-xs);
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.password-strength.weak .password-strength-bar {
    width: 33%;
    background: var(--error-color);
}

.password-strength.medium .password-strength-bar {
    width: 66%;
    background: var(--warning-color);
}

.password-strength.strong .password-strength-bar {
    width: 100%;
    background: var(--success-color);
}

/* Styles pour les cases à cocher */
.auth-form input[type="checkbox"] {
    width: auto;
    min-height: auto;
    margin-right: var(--spacing-xs);
}

.auth-form .checkbox-label {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Styles pour les liens dans les formulaires */
.auth-form a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.auth-form a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Séparateur pour les méthodes de connexion alternatives */
.auth-separator {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-separator::before,
.auth-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-separator span {
    padding: 0 var(--spacing-md);
}