:root{color-scheme:light dark;--bg:#f4f5f8;--card:#fff;--text:#182131;--muted:#667080;--line:#e4e7ed;--blue:#0867d9;--input:#f8f9fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.5}main{width:min(100% - 32px,520px);margin:6vh auto;padding:30px;background:var(--card);border:1px solid var(--line);border-radius:26px;box-shadow:0 18px 60px #16305b08}header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:36px}.mark{font-size:34px;line-height:1;font-weight:850;letter-spacing:-2px;color:var(--blue);font-style:italic}.mark span{display:block;font-size:9px;letter-spacing:2px;font-style:normal;margin-top:8px}.badge{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:6px 10px;border-radius:20px}h1{font-size:28px;line-height:1.2;letter-spacing:-.7px;margin:0 0 12px}h2{font-size:20px;margin-top:28px}p{color:var(--muted)}label{display:block;font-weight:600;font-size:14px;margin:20px 0 7px}input,select{font:inherit;background:var(--input);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:13px 14px;width:100%;min-height:48px}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #4f9aff80;outline-offset:2px}button,.button{display:block;min-height:48px;width:100%;border:0;border-radius:12px;background:var(--blue);color:white;font:inherit;font-weight:600;padding:12px 16px;margin:18px 0 0;text-align:center;text-decoration:none;cursor:pointer}button:disabled{opacity:.55;cursor:wait}.secondary{background:var(--input);color:var(--text);border:1px solid var(--line)}.danger{color:#c43b43;background:var(--input);border:1px solid var(--line)}.check{display:flex;gap:10px;align-items:center;font-weight:400}.check input{width:20px;min-height:20px;accent-color:var(--blue)}small{color:var(--muted);display:block}footer{margin-top:30px;font-size:12px;color:var(--muted);text-align:center}#message:empty{display:none}#message{background:#d14a4a15;color:#bf353b;border-radius:12px;padding:12px;overflow-wrap:anywhere}.item{padding:15px 0;border-top:1px solid var(--line);overflow-wrap:anywhere}.item button{font-size:14px}.qr{display:block;margin:20px auto;width:240px;max-width:100%;border-radius:12px}.secret,.codes{font-family:ui-monospace,monospace;overflow-wrap:anywhere;background:var(--input);border-radius:12px;padding:14px}.codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:14px}hr{border:0;border-top:1px solid var(--line);margin:28px 0}@media(prefers-color-scheme:dark){:root{--bg:#111216;--card:#1c1e24;--text:#f1f3f7;--muted:#a6acb8;--line:#333641;--blue:#3586f5;--input:#252830}#message{color:#ff9e9e}}@media(max-width:480px){main{margin:20px auto;padding:24px;border-radius:22px}h1{font-size:26px}}