/* Écran de chargement */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 1000;
}

.loading-screen p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Écran d'authentification */
.auth-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a2a0a 0%, #2c3a1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 999;
    overflow-y: auto; /* permet de scroller si le clavier virtuel masque le bas */
}

/* Mobile : carte alignée en haut avec padding pour rester visible quand clavier ouvert */
@media (max-width: 768px) {
    .auth-screen {
        align-items: flex-start;
        padding: 2rem 1rem 4rem;
    }
    .auth-container {
        margin: 0 auto;
    }
}

.auth-container {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.5s ease-in-out;
    position: relative;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

/* Auth Language Selector */
.language-selector-auth {
    position: absolute;
    top: 10px;
    right: 15px;
    z-index: 10;
}

/* Style spécifique pour le sélecteur sur la page d'auth */
.auth-screen .language-selector-compact {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-screen .language-current {
    color: var(--primary-color);
    font-size: 0.75rem;
    padding: 4px 8px;
}

.language-dropdown {
    position: relative;
    display: inline-block;
}

/* Force visibility of auth language dropdown */
#auth-language-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Hide any duplicate language selectors on auth screen */
.auth-screen .language-selector-compact,
.auth-screen .language-selector:not(.auth-header .language-selector),
.auth-screen #language-selector-container,
.auth-screen .language-selector-mini {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* Hide any duplicate language dropdowns that might be created dynamically */
.auth-screen .language-dropdown:not(#auth-language-dropdown) {
    display: none !important;
}

.auth-screen .language-trigger {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 6px;
    padding: 4px 8px;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-screen .language-trigger:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.language-trigger .flag {
    font-size: 1.1em;
}

.language-trigger .arrow {
    transition: transform 0.3s ease;
    font-size: 0.8em;
}

.language-dropdown.open .language-trigger .arrow {
    transform: rotate(180deg);
}

.language-options {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 4px;
    display: none; /* Force hide par défaut */
}

.language-dropdown.open .language-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    display: block; /* Show only when open */
}

.language-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.language-option:hover {
    background-color: var(--bg-secondary);
}

.language-option.active {
    background-color: var(--primary-color);
    color: white;
}

.language-option .flag {
    font-size: 1.1em;
}

.auth-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form .form-group:last-of-type {
    margin-bottom: 2rem;
}

.auth-form label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.auth-form input {
    padding: 0.875rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.2s ease-in-out;
}

.auth-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.auth-form button {
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 600;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.auth-form button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.auth-form button:active {
    transform: translateY(0);
}

.auth-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Styles pour les erreurs d'authentification */
.auth-form .error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    color: var(--error-color);
    font-size: 0.875rem;
    text-align: center;
}

/* Indicateur de mode développement */
.dev-notice {
    background-color: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #92400e;
}

.dev-notice p {
    margin: 0;
    font-size: 0.875rem;
}

.dev-notice p:first-child {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Toggle mot de passe */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    width: 100%;
    padding-right: 3rem;
}

.auth-form .toggle-password {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    padding: 0;
    width: auto;
    font-size: inherit;
    font-weight: inherit;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
    transform: none !important;
    box-shadow: none;
}

.auth-form .toggle-password:hover {
    background: none;
    color: var(--primary-color);
    transform: none !important;
    box-shadow: none;
}

/* Animation pour les erreurs */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.auth-form.error {
    animation: shake 0.5s ease-in-out;
}

/* Responsive pour l'authentification */
@media (max-width: 480px) {
    .auth-container {
        padding: 1.5rem;
        /* margin géré par le media 768px ci-dessus */
    }
    
    .auth-header h1 {
        font-size: 2rem;
    }
    
    .auth-form input,
    .auth-form button {
        padding: 1rem;
        font-size: 1rem;
    }
}

/* Effet de focus avancé */
.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Icônes pour les champs (optionnel) */
.form-group-with-icon {
    position: relative;
}

.form-group-with-icon .form-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.125rem;
}

.form-group-with-icon input {
    padding-left: 2.5rem;
}

/* Animation de connexion */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-container.connecting {
    animation: slideUp 0.3s ease-in-out;
}

/* Indicateur de chargement pour le bouton */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-loading {
    color: rgba(255, 255, 255, 0.6);
}

/* Styles pour le mode sombre */
@media (prefers-color-scheme: dark) {
    .auth-screen {
        background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    }
    
    .auth-form .error-message {
        background-color: rgba(220, 38, 38, 0.1);
        border-color: rgba(220, 38, 38, 0.2);
    }
}