/* Variables CSS */
:root {
    --primary-color: #007bff;
    /* Bleu clair Bootstrap */
    --secondary-color: #0056b3;
    /* Bleu foncé Bootstrap */
    --background-color: #f8f9fa;
    /* Fond très clair */
    --card-background: #ffffff;
    /* Carte blanche */
    --input-background: #f1f3f4;
    /* Champs très clairs */
    --border-color: #ced4da;
    /* Bordure grise claire */
    --text-color: #212529;
    /* Texte foncé */
    --error-color: #e0245e;
    /* Rouge pour erreurs */
    --icon-color: #6c757d;
    /* Icônes gris moyen */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    /* Ombre douce */
}

/* Styles globaux */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Carte de connexion */
.card {
    background-color: var(--card-background);
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 350px;
    padding: 20px;
    animation: fadeIn 0.5s ease-in-out;
}

/* Logo et nom de l'application */
.app-logo {
    text-align: center;
    margin-bottom: 20px;
}

.app-logo .bi {
    font-size: 3rem;
    color: var(--primary-color);
}

.app-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-top: 10px;
}

/* Titre du formulaire */
h2 {
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

h3 {
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

/* Champs de formulaire */
.form-control {
    background-color: var(--input-background);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 161, 242, 0.2);
}

/* Bouton de connexion */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    width: 100%;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Message d'erreur */
#message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 10px;
    text-align: center;
}

/* Conteneur du mot de passe avec icône d'œil */
.password-container {
    position: relative;
}

.password-container .bi {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--icon-color);
    transition: color 0.3s ease;
}

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

/* Animation pour le conteneur de connexion */
.login-container {
    animation: fadeIn 0.5s ease-in-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .card {
        width: 90%;
        padding: 15px;
    }

    .app-logo .bi {
        font-size: 2.5rem;
    }

    .app-name {
        font-size: 1.3rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .form-control {
        padding: 8px;
    }

    .btn-primary {
        padding: 8px;
    }
}

/* Dark Mode */
body.dark-mode {
    background-color: #181a1b !important;
}

.dark-mode .card {
    background-color: #23272b;
    color: #f8f9fa;
}

.dark-mode input,
.dark-mode .form-control {
    background-color: #23272b;
    color: #f8f9fa;
    border-color: #444;
}

.dark-mode .btn-primary {
    background-color: #375a7f;
    border-color: #375a7f;
}

.dark-mode .app-logo,
.dark-mode .app-name {
    color: #f8f9fa;
}

/* Theme Toggle Button */
.theme-toggle-fixed {
    position: fixed;
    top: 20px;
    right: 30px;
    z-index: 1000;
}