body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    margin: 0;
    padding: 15px;
    background: #f8f9fa;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

#status-message {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: none;
    z-index: 1000;
}

#status-message.success {
    background: #10b981;
    color: white;
}

#status-message.error {
    background: #ef4444;
    color: white;
}

#workflow-selector-container {
    margin-bottom: 2rem;
}

#hil-requests-container {
    margin-top: 2rem;
}

.success { background: #e3f2fd; color: #1565c0; }
.error { background: #ffebee; color: #c62828; }
.processing { background: #e8eaf6; color: #283593; }