:root{--bg: #0f172a;--panel: #1e293b;--line: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #2563eb;--danger: #ef4444;--ok: #22c55e}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.muted{color:var(--muted)}.error{color:var(--danger);margin:4px 0}.status{margin-left:12px;color:var(--ok)}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;width:340px;display:flex;flex-direction:column;gap:10px}.card.wide{width:min(720px,92vw)}h1{font-size:20px;margin:0}h2{font-size:16px;margin:0 0 12px}input,select{background:#0b1220;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:9px 11px;font-size:14px;width:100%}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.link{background:none;color:var(--muted);padding:4px}button.link.danger{color:var(--danger)}.page{max-width:760px;margin:0 auto;padding:24px 16px;display:flex;flex-direction:column;gap:20px}.topbar{display:flex;align-items:center;justify-content:space-between}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.inline{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.inline input,.inline select{width:auto;flex:1;min-width:90px}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}.small{font-size:12px}.qr{width:200px;height:200px;align-self:center;background:#fff;padding:8px;border-radius:8px}.warn{margin-top:8px;padding:8px 10px;border-radius:6px;background:#7c2d12;color:#fed7aa;font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-word;margin-top:6px}.btnrow{display:flex;gap:10px}button.secondary{background:#334155}button.danger{background:#b91c1c}.field em{font-style:normal;font-size:11px}@media (max-width: 520px){.grid{grid-template-columns:1fr}}