:root{--bg:#fafaf9;--fg:#1c1917;--muted:#78716c;--card:#fff;--line:#e7e5e4;--accent:#0f766e}@media (prefers-color-scheme:dark){:root{--bg:#1c1917;--fg:#f5f5f4;--muted:#a8a29e;--card:#292524;--line:#44403c;--accent:#2dd4bf}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,sans-serif}main{max-width:640px;margin:0 auto;padding:24px 16px}section{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:16px;padding:16px}h1{margin-top:0}h2{margin:0 0 12px;font-size:1.1rem}button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:8px 14px}button:disabled{opacity:.5}input[type=text],input[type=number]{border:1px solid var(--line);color:inherit;background:0 0;border-radius:8px;padding:8px}.linha{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:8px;padding:8px 0;display:flex}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{color:var(--fg);border:1px solid var(--line);background:0 0;padding:4px 10px}.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.muted{color:var(--muted);font-size:.9rem}.erro{color:#dc2626}