.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 1.2rem;
}

.app-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.7;
}

.form-section {
    background: #ffffff;
    padding: 1.2rem;
    border-radius: var(--border-radius);
}