:root{color-scheme:light dark;--bg: #faf9f7;--fg: #1c1b19;--muted: #6b6862;--line: #e2ded7;--accent: #3a6ea5;--error: #b3261e;--card: #ffffff}@media(prefers-color-scheme:dark){:root{--bg: #1a1917;--fg: #ece9e4;--muted: #9a958c;--line: #322f2b;--accent: #7aa7d9;--error: #f2b8b5;--card: #232220}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.wrap{max-width:680px;margin:0 auto;padding:2.5rem 1.25rem 4rem}h1{margin:0 0 .25rem;font-size:1.6rem}.sub{margin:0 0 1.5rem;color:var(--muted);font-size:.95rem}textarea{width:100%;padding:.9rem 1rem;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--fg);font:inherit;resize:vertical}textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}.actions{display:flex;gap:.75rem;margin-top:1rem}button{padding:.65rem 1.25rem;border:none;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.notice{margin-top:1.25rem;padding:.9rem 1rem;border:1px solid var(--line);border-radius:10px;background:var(--card);font-size:.9rem;color:var(--muted)}.notice.error{border-color:var(--error);color:var(--error)}.notice.loading{display:flex;align-items:center;gap:.85rem}.spinner{flex:0 0 auto;width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}.mono,.raw{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem}.result{margin-top:2rem}.block{margin-bottom:1.75rem}.result h2{font-size:1rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 .6rem}.result ul{margin:0;padding-left:1.2rem}.result li{margin-bottom:.6rem}.clean{color:var(--muted)}.raw{white-space:pre-wrap;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem}