:root{--bg:#0a0a0a;--card:#161616;--line:#262626;--fg:#f5f5f5;--mut:#9a9a9a;--acc:#f5e642}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:DM Sans,system-ui,sans-serif}h1,h2,h3{font-family:Syne,system-ui,sans-serif;margin:0 0 .5rem}a{color:var(--acc)}.wrap{max-width:960px;margin:0 auto;padding:24px 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:14px}.btn{display:inline-block;background:var(--acc);color:#000;border:0;border-radius:10px;padding:12px 20px;font-weight:700;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.5}.mut{color:var(--mut)}input{width:100%;background:#0f0f0f;border:1px solid var(--line);color:var(--fg);border-radius:10px;padding:12px;margin:6px 0 12px;font-size:16px}.grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.qr{background:#fff;padding:12px;border-radius:12px;display:inline-block}