.card{width:min(800px,92vw);background:#fff;border-radius:16px;border:1px solid #e8e8e8;box-shadow:0 10px 30px #12182814;padding:1.5rem}.app-shell{min-height:100vh;display:grid;place-items:center;padding:2rem 1rem}.form-grid{display:grid;gap:1rem}label{display:grid;gap:.5rem;text-align:left;font-weight:600;color:#1f2937}input{border:1px solid #cbd5e1;border-radius:10px;padding:.75rem;font-size:.95rem}select{border:1px solid #cbd5e1;border-radius:10px;padding:.75rem;font-size:.95rem;background:#fff}input:focus{outline:2px solid #bfdbfe;border-color:#3b82f6}select:focus{outline:2px solid #bfdbfe;border-color:#3b82f6}.actions{display:flex;gap:.75rem;flex-wrap:wrap}button{border:0;border-radius:10px;padding:.75rem 1rem;font-weight:700;cursor:pointer;background:#2563eb;color:#fff}button:disabled{opacity:.6;cursor:not-allowed}h1{margin-top:0}.preview,.muted{color:#6b7280}.tiny{font-size:.85rem}.ok{color:#166534;font-weight:600}.warn{color:#92400e;font-weight:600}.error{color:#b91c1c;font-weight:600}.separator{margin:1.5rem 0;border:0;border-top:1px solid #e5e7eb}code{word-break:break-all}:root{font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color:#111827;background-color:#f3f4f6;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px}