:root{--bg:#f7faf9;--surface:#fff;--ink:#152e2b;--muted:#57716b;--line:#dbe7e2;--accent:#0f766e;--soft:#e7f4ee;--orange:#ffba68;--shadow:0 12px 35px #193d3010;color-scheme:light}html[data-theme=dark]{--bg:#101d1b;--surface:#172925;--ink:#e6f3ed;--muted:#acc4bc;--line:#30473f;--accent:#72d7ba;--soft:#203d33;--shadow:none;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(2rem,4vw,3.7rem);margin:0 0 22px;max-width:950px}h2{font-size:1.6rem;margin:0 0 22px}h3{font-size:1.15rem}p{margin:0 0 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p{margin-top:12px;max-width:560px}.dct-footer>p{grid-column:1/-1}.dct-footer nav{display:flex;flex-wrap:wrap;align-content:start;gap:14px 22px}.dct-page{padding-top:35px}.dct-page>header{margin:25px 0}.dct-breadcrumb{font-size:.85rem;color:var(--muted)}.dct-lead{font-size:1.1rem;color:var(--muted);max-width:850px}.dct-prose{max-width:900px;margin:34px 0 45px}.dct-prose h2{margin-top:30px}.dct-prose p,.dct-prose li{color:var(--muted)}.dct-runtime{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);margin:25px 0}.dct-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-bottom:20px}.dct-controls label{display:grid;gap:5px;font-size:.8rem;color:var(--muted)}.dct-controls button.secondary{background:var(--soft);color:var(--ink)}.dct-output{padding:18px;background:var(--bg);border:1px solid var(--line);border-radius:12px;min-height:80px;white-space:pre-wrap;font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto;max-height:330px}.dct-pad{width:100%;min-height:170px;background:var(--soft)!important;color:var(--accent)!important;border:2px dashed var(--accent)!important;user-select:none;touch-action:manipulation;font-size:1.2rem}.dct-runtime canvas{max-width:100%;display:block;border:1px solid var(--line);border-radius:10px;touch-action:none}.dct-keys{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0}.dct-key{display:grid;place-items:center;border:1px solid var(--line);border-radius:7px;padding:5px 9px;background:var(--bg);font:13px ui-monospace,monospace}.dct-key.active{background:var(--accent);color:var(--surface)}.dct-runtime video,.dct-runtime audio{max-width:100%;margin:12px 0}.dct-runtime textarea{width:100%;min-height:120px}.dct-screen{min-height:260px;border:1px solid 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.dct-stats{gap:clamp(14px,3vw,40px)}
.dct-nav-menu{position:relative}.dct-nav-menu summary{cursor:pointer}.dct-nav-menu>div{position:absolute;top:35px;left:0;min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;box-shadow:var(--shadow);display:grid;gap:10px;z-index:20}