:root{--bg: #f5f6f8;--fg: #1c1f24;--muted: #6b7280;--card: #fff;--accent: #1f6feb;--err: #c62828;--line: #d9dde3;color-scheme:light dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #14171c;--fg: #e6e8eb;--muted: #8b93a1;--card: #1d2229;--accent: #4c8dff;--err: #ff6b6b;--line: #2d333b}}:root[data-theme=dark]{--bg: #14171c;--fg: #e6e8eb;--muted: #8b93a1;--card: #1d2229;--accent: #4c8dff;--err: #ff6b6b;--line: #2d333b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.4 system-ui,sans-serif}header{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}header .who{color:var(--muted);font-size:14px;margin-right:auto}nav{display:flex;gap:6px;padding:8px 16px;overflow-x:auto;border-bottom:1px solid var(--line)}main,.page{padding:16px;max-width:900px;margin:0 auto}.narrow{max-width:380px;margin-top:10vh}h1,h2{margin:8px 0 12px;font-size:20px}button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 14px;font:inherit;cursor:pointer}button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}button.link{background:none;color:var(--accent);padding:4px}nav button{background:transparent;color:var(--muted);padding:8px 10px;white-space:nowrap}nav button.active{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}input,select{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit;width:100%;min-width:0}.stack{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.row input{flex:1 1 260px}.cards{list-style:none;padding:0;margin:0;display:grid;gap:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;gap:6px}.card code{overflow-wrap:anywhere;font-size:14px}.muted{color:var(--muted);font-size:14px}.error{color:var(--err)}.download{color:var(--accent);font-size:14px;word-break:break-all}