:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:#fff;color:#111}a{color:inherit}.container{max-width:1040px;margin:0 auto;padding:18px 14px 92px}.topbar{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 0 18px}.brand{font-weight:900;letter-spacing:-.02em}.nav{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.nav a{text-decoration:none;padding:8px 10px;border:1px solid #eee;border-radius:10px;background:#fff}.nav a:hover{border-color:#ddd}.lang-switch{display:flex;gap:6px;align-items:center}.lang-switch button{padding:6px 10px;border-radius:999px;font-size:12px}.lang-switch button.active{border-color:#111;background:#111;color:#fff}button{border:1px solid #eee;background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer}button:hover{border-color:#ddd}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{border:1px solid #eee;border-radius:10px;outline:none}h1{margin:8px 0;letter-spacing:-.02em}h2{margin:18px 0 8px;letter-spacing:-.02em}.small{font-size:12px;opacity:.75}.card{border:1px solid #eee;border-radius:12px;padding:12px;background:#fff}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.grid{display:grid;gap:10px}@media (max-width: 820px){.twoCol{grid-template-columns:1fr!important}}