/* --- Styles globaux pour la page d'authentification --- */
.auth-page {
    background-image: url("/static/images/fond.jpg"); /* Chemin mis à jour pour être plus direct */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: rgba(0, 0, 0, 0.5); 
    background-blend-mode: darken;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

body.dark-mode.auth-page { 
    background-blend-mode: multiply; 
}

/* --- STYLE POUR LE FORMULAIRE "EFFET VERRE" --- */
.auth-container {
    background-color: rgba(255, 255, 255, 0.8); /* Fond blanc plus transparent */
    backdrop-filter: blur(10px); /* Flou plus prononcé pour la lisibilité */
    -webkit-backdrop-filter: blur(10px); /* Pour la compatibilité avec Safari */
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); /* Ombre plus diffuse */
    border: 1px solid rgba(255, 255, 255, 0.18); /* Bordure subtile effet verre */
    border-radius: 15px; /* Coins plus arrondis */
    width: 100%;
    max-width: 420px;
    padding: 40px;
    text-align: center;
    position: relative; 
}

body.dark-mode .auth-container {
    background-color: rgba(20, 30, 40, 0.75); /* Fond sombre plus transparent */
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color-dark);
}

.auth-container h1 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--primary-color-light);
    font-weight: 300;
}

body.dark-mode .auth-container h1 {
    color: var(--primary-color-dark);
}

.auth-container .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.auth-container label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.auth-container input[type="email"],
.auth-container input[type="password"],
.auth-container input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color-light);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1em;
    background-color: rgba(255, 255, 255, 0.5); /* Champs légèrement transparents */
    color: var(--text-color-light);
}

body.dark-mode .auth-container input {
    background-color: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-color-dark);
}

.auth-container input:focus {
    border-color: var(--primary-color-light);
    outline: none;
}

.auth-container button:not(.admin-button) {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background-color: var(--primary-color-light);
    color: white;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s, opacity 0.3s;
}

body.dark-mode .auth-container button:not(.admin-button) {
    background-color: var(--primary-color-dark);
}

.auth-container button:hover:not(.admin-button) {
    opacity: 0.9;
}

.auth-links {
    margin-top: 20px;
    font-size: 0.9em;
}

.auth-links a {
    color: var(--primary-color-light);
    text-decoration: none;
    transition: color 0.3s;
}

body.dark-mode .auth-links a {
    color: var(--primary-color-dark);
}

.auth-links a:hover {
    text-decoration: underline;
}

.error-message {
    color: #c0392b; /* Rouge plus foncé pour la lisibilité */
    margin-top: 15px;
    padding: 10px;
    border-radius: 6px;
    background-color: rgba(231, 76, 60, 0.2);
    font-weight: bold;
    border: 1px solid rgba(192, 57, 43, 0.5);
}

/* --- STYLE ADAPTATIF (RESPONSIVE) --- */
@media (max-width: 768px) {
    .auth-page {
        padding: 15px;
        align-items: flex-start; 
        padding-top: 5vh;
    }
    .auth-container {
        padding: 30px 25px;
        box-shadow: none;
    }
    h1 { font-size: 1.9em; }
    .form-group label { font-size: 0.95em; }
    button#main-auth-btn { padding: 14px; font-size: 1.1em; }
    .auth-links { font-size: 1em; }
}

@media (max-width: 360px) {
    h1 { font-size: 1.6em; }
}

/* Bouton admin discret */
.admin-button {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: transparent;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    padding: 5px;
    opacity: 0.5;
    transition: opacity 0.3s;
}
.admin-button:hover {
    opacity: 1;
}