* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; background: #f5f5f5; color: #333; }
.container { max-width: 600px; margin: 2rem auto; padding: 0 1rem; }
h1 { margin-bottom: 1.5rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.field input { width: 100%; padding: 0.5rem; border: 1px solid #ccc; border-radius: 4px; }
button { padding: 0.6rem 1.2rem; background: #2563eb; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.btn { display: inline-block; margin-top: 1rem; padding: 0.6rem 1.2rem; background: #16a34a; color: #fff; text-decoration: none; border-radius: 4px; }
.status { margin-top: 1.5rem; padding: 1rem; background: #fff; border: 1px solid #ddd; border-radius: 4px; }
.bar { height: 8px; background: #e5e7eb; border-radius: 4px; overflow: hidden; margin: 0.5rem 0; }
.bar-fill { height: 100%; background: #2563eb; transition: width 0.3s; }
.error { color: #dc2626; }
.help { display: block; margin-top: 0.25rem; font-size: 0.85rem; color: #666; }