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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 40px;
    animation: fadeIn 0.4s ease-out;
}

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

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo img {
    max-width: 150px;
    height: auto;
}

.auth-title {
    text-align: center;
    margin-bottom: 10px;
}

.auth-title h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 5px;
}

.auth-subtitle {
    font-size: 14px;
    color: #718096;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #2d3748;
    margin-bottom: 8px;
}

label .required {
    color: #e53e3e;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #ffffff;
    transition: all 0.2s ease;
    font-family: inherit;
    color: #1a202c;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: #a0aec0;
}

.btn-secondaire {
    width: 100%;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    background-color: #181921;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    margin-top: 10px;
}

.btn-secondaire:hover {
    background-color: #181921;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px #1819218a
}

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

.btn-primary {
    width: 100%;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    background-color: #667eea;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    margin-top: 10px;
}

.btn-primary:hover {
    background-color: #5568d3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

.auth-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #718096;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.auth-footer a:hover {
    color: #5568d3;
    text-decoration: underline;
}

.forgot-password {
    text-align: center;
    margin-top: 15px;
}

.forgot-password a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.forgot-password a:hover {
    color: #5568d3;
    text-decoration: underline;
}

/* Styles pour les messages d'erreur des champs */
.form-control.error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.error-message {
    color: #e53e3e;
    font-size: 12px;
    margin-top: 5px;
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Styles pour les messages d'alerte globaux */
.alert-message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Spinner pour le bouton de chargement */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* État désactivé du bouton */
.btn-secondaire:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn-secondaire:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

@media (max-width: 480px) {
    .auth-container {
        padding: 30px 20px;
    }

    .auth-title h1 {
        font-size: 22px;
    }

    .auth-logo img {
        max-width: 120px;
    }
}