:root{--bg: #f6f7f9;--surface: #ffffff;--border: #dfe3e8;--text: #16191d;--muted: #5c646e;--accent: #1f6feb;--accent-text: #ffffff;--danger: #b3261e;--danger-bg: #fdeceb;--radius: 10px;--shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 10%)}@media(prefers-color-scheme:dark){:root{--bg: #0e1116;--surface: #161b22;--border: #2b3440;--text: #e6edf3;--muted: #97a1ad;--accent: #4b8dfb;--accent-text: #0b1220;--danger: #ff8a80;--danger-bg: #2a1614;--shadow: none}}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:2rem 1rem 3rem;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}main{width:100%;max-width:34rem;margin:0 auto;display:grid;gap:1.25rem}.masthead{text-align:center}.masthead h1{margin:0 0 .25rem;font-size:1.6rem;letter-spacing:-.02em}.masthead p{margin:0;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.form{display:grid;gap:1rem}.field{display:grid;gap:.35rem}label{font-weight:600;font-size:.9rem}input,select{width:100%;padding:.6rem .7rem;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hint{margin:0;font-size:.8rem;color:var(--muted)}button,.button{display:inline-flex;align-items:center;justify-content:center;padding:.6rem .9rem;font:inherit;font-weight:600;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;text-decoration:none;cursor:pointer}button:hover:not(:disabled),.button:hover{border-color:var(--muted)}.primary{color:var(--accent-text);background:var(--accent);border-color:transparent}.primary:disabled{opacity:.6;cursor:progress}.error{margin:0;padding:.75rem .9rem;color:var(--danger);background:var(--danger-bg);border:1px solid currentcolor;border-radius:var(--radius);font-size:.9rem}.result{display:grid;gap:1rem;justify-items:center}.qr-frame{padding:.75rem;background:#fff;border:1px solid var(--border);border-radius:8px;line-height:0}.qr-frame img{width:256px;height:256px;image-rendering:pixelated}.meta{width:100%;margin:0;display:grid;grid-template-columns:auto 1fr;gap:.25rem 1rem;font-size:.9rem}.meta dt{color:var(--muted)}.meta dd{margin:0;min-width:0}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-row{width:100%}.link-row input{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;color:var(--muted)}.actions{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}footer{text-align:center;font-size:.85rem;color:var(--muted);min-height:1.3em}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.links{width:100%;display:grid;gap:.6rem}.link-block{display:grid;grid-template-columns:1fr auto;gap:.5rem;align-items:end}.link-label{display:block;margin-bottom:.25rem;font-size:.75rem;font-weight:600;color:var(--muted)}