/* Formulaire de connexion simple */
.register-form {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 0 0 3px #667eea;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.register-form label {
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
}

.register-form .textfield {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.register-form .btn {
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    font-family: inherit;
}

.register-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.register-form .switch {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.register-form .switch a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.register-form .switch a:hover {
    text-decoration: underline;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem; /* petit espace interne */
}

.error {
    color: #e63946;
    font-size: 0.85rem;
    margin: 0;
}


.textfield.error-input {
    border-color: #e63946;
}