:root{--bg:#f6f5fa;--surface:#ffffff;--border:#e2e0ea;--text:#16121f;--muted:#6b6880;--accent:#5b4bd6;--accent-contrast:#ffffff;--danger:#b4232b}@media (prefers-color-scheme:dark){:root{--bg:#14111c;--surface:#1d1828;--border:#2e2840;--text:#f2f0f7;--muted:#9c98ae;--accent:#8b7bf0;--accent-contrast:#14111c;--danger:#ff8a8a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.shell{max-width:880px;margin:0 auto;padding:48px 16px 80px}.masthead{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:32px}.brand{font-size:18px;font-weight:650;letter-spacing:-.01em}.muted{color:var(--muted)}.small{font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px}.card+.card{margin-top:12px}.stack{flex-direction:column;gap:12px}.row,.stack{display:flex}.row{flex-wrap:wrap;gap:10px;align-items:center}label{display:block;font-size:13px;font-weight:550;margin-bottom:6px}input,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font:inherit}input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}button{padding:10px 16px;border:0;border-radius:10px;background:var(--accent);color:var(--accent-contrast);font:inherit;font-weight:550;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:transparent;color:var(--muted);border:1px solid var(--border)}a{color:var(--accent)}.tile{display:block;text-decoration:none;color:inherit}.tile:hover{border-color:var(--accent)}.error{color:var(--danger);font-size:13px}.notice{font-size:13px;color:var(--muted)}.comment{border-top:1px solid var(--border);padding-top:12px;margin-top:12px}.comment:first-child{border-top:0;padding-top:0;margin-top:0}.author{font-weight:550;font-size:14px}.body{white-space:pre-wrap;margin:6px 0 0}.frame-placeholder{border:1px dashed var(--border);border-radius:12px;padding:40px 20px;text-align:center;color:var(--muted)}.artefact{display:block;width:100%;height:min(75vh,900px);border:1px solid var(--border);border-radius:10px;background:#fff}