:root{--bg:#15171c;--panel:#1d2028;--line:#2e323d;--text:#e9e7e2;--muted:#9da1ad;--accent:#7cc4b4;--warn:#e0b06a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,sans-serif}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}nav{border-right:1px solid var(--line);padding:20px 12px;display:flex;flex-direction:column;gap:4px}nav b{padding:0 10px 14px;font-size:17px}nav a{padding:9px 10px;border-radius:8px;color:var(--muted);text-decoration:none;white-space:nowrap}nav a[aria-current]{background:var(--panel);color:var(--text)}main{padding:28px;max-width:860px}h1{font-size:28px;margin:0 0 4px}.sub{color:var(--muted);margin:0 0 22px}button,select,textarea{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px}textarea{width:100%;min-height:110px}.row{display:flex;gap:12px;margin:14px 0;flex-wrap:wrap;align-items:center}button.go{background:var(--accent);color:#10201c;border:0;font-weight:600;padding:10px 18px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:720px){.app{grid-template-columns:1fr}nav{flex-direction:row;overflow-x:auto;border:0;border-bottom:1px solid var(--line)}nav b{display:none}main{padding:18px}}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.chips button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.cmp{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-top:18px}.cmp figure{margin:0}.cmp img{width:100%;border-radius:10px;border:1px solid var(--line)}.cmp figcaption{color:var(--muted);font-size:14px;margin-bottom:6px}.note{color:var(--warn);font-size:14px;margin-top:14px}input[type=text]{width:100%;font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px}@media(max-width:720px){.cmp{grid-template-columns:1fr}}.solo{grid-column:1/-1;width:100%;max-width:380px;margin:10vh auto;padding:0 20px}.solo label{display:block;margin-top:12px}.solo input{width:100%;font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:4px}.err{color:#e58a8a}.ok{color:var(--accent)}