:root{color-scheme:light dark;--bg:#0b0f14;--fg:#e8edf2;--muted:#8a96a3;--card:#121821;--accent:#4f8cff;--border:#223042}@media (prefers-color-scheme:light){:root{--bg:#f7f9fb;--fg:#111418;--muted:#5b6572;--card:#fff;--accent:#2b6cff;--border:#e3e8ee}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}main{max-width:960px;margin:0 auto;padding:32px 20px 80px}h1{font-size:1.75rem;margin-bottom:4px}.subtitle{color:var(--muted);margin-top:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px;margin-top:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px}.card h3{margin:0;font-size:1.05rem}.price{font-size:1.4rem;font-weight:600}.muted{color:var(--muted);font-size:.9rem}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 14px;font-size:.95rem;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.status-badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.85rem;border:1px solid var(--border)}.qr-box{background:#fff;padding:16px;border-radius:12px;display:inline-block}code{word-break:break-all;background:var(--card);border:1px solid var(--border);padding:8px;border-radius:6px;display:block;font-size:.85rem}