:root{--ink:#16181d;--mute:#5b6270;--line:#d9dce3;--bg:#f6f7f9;--card:#fff;--accent:#1f5eff;--alarm:#c8102e;--ok:#0a7d4b}@media(prefers-color-scheme:dark){:root{--ink:#eceef3;--mute:#9aa1b0;--line:#2b303b;--bg:#101218;--card:#181b23;--accent:#6c9bff;--alarm:#ff5d73;--ok:#4cc38a}}*{box-sizing:border-box}body{margin:0;font:16px/1.45 system-ui,sans-serif;color:var(--ink);background:var(--bg)}main{max-width:640px;margin:0 auto;padding:16px}h1{font-size:1.3rem;margin:0 0 12px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0}label{display:block;margin:10px 0 4px;color:var(--mute);font-size:.9rem}input,select,textarea,button{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);width:100%}input[type=checkbox]{width:auto;margin-right:8px}.check{display:flex;align-items:center;color:var(--ink);font-size:1rem}button{cursor:pointer;background:var(--accent);color:#fff;border:0;font-weight:600;margin-top:12px}button.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}button.danger{background:var(--alarm)}button:disabled{opacity:.5;cursor:default}.err{color:var(--alarm);margin:8px 0 0}.ok{color:var(--ok);margin:8px 0 0}.mute{color:var(--mute);font-size:.9rem}.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.lang{display:flex;align-items:center;gap:8px;margin:0}.lang select{width:auto;padding:6px 8px}.row{display:flex;gap:8px}.row>*{flex:1}.tabs{display:flex;gap:6px;margin:12px 0;flex-wrap:wrap}.tabs button{width:auto;margin:0;padding:8px 14px;background:transparent;color:var(--ink);border:1px solid var(--line)}.tabs button.on{background:var(--accent);color:#fff;border-color:var(--accent)}.msg.alarm{border:3px solid var(--alarm)}.msg.alarm .tag{color:var(--alarm);font-weight:800;letter-spacing:.06em}.msg .tag{font-size:.85rem}.msg p{margin:6px 0;font-size:1.15rem}.code{font:700 1.8rem/1.2 ui-monospace,monospace;letter-spacing:.08em;margin:8px 0}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:6px 4px;border-bottom:1px solid var(--line);font-size:.92rem}.qr{width:220px;max-width:100%;margin:12px auto 0;background:#fff;padding:6px;border-radius:8px}.qr svg{width:100%;height:auto;display:block}@media print{body>*{display:none}}table.log td{font-size:.8rem;padding:2px 4px;border-bottom:1px dashed var(--line);font-family:ui-monospace,monospace}