:root{--font:'Manrope','Segoe UI',sans-serif;--ink:#0f172a;--muted:#64748b;--line:#dbe4ef;--line-strong:#c7d3e2;--surface:#fff;--surface-soft:#f8fafc;--accent:#0f766e;--accent-ink:#0b5f58}*{box-sizing:border-box}body{margin:0;font-family:var(--font);color:var(--ink);background:linear-gradient(180deg,#f8fbfa,#edf3f8)}.ln-page{max-width:920px;margin:0 auto;padding:20px}.ln-page h1{margin:0;font-size:clamp(1.3rem,2.4vw,1.95rem)}.ln-page p{margin:6px 0 14px;color:var(--muted)}.ln-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:12px;box-shadow:0 12px 24px rgba(15,23,42,.05)}.ln-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ln-grid label{display:block;font-size:.84rem;color:#334155}.ln-grid input[type=number]{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:8px;padding:8px;font:inherit;transition:border-color .2s,box-shadow .2s}.ln-grid input[type=number]:focus-visible{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.14)}.ln-check{display:flex;align-items:center;gap:8px;font-weight:700}.ln-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.ln-btn{border:1px solid var(--line);border-radius:10px;background:#fff;padding:9px 12px;font:inherit;font-weight:700;cursor:pointer;transition:transform .12s,border-color .2s,background-color .2s,box-shadow .2s}.ln-btn:hover{border-color:var(--line-strong);background:var(--surface-soft)}.ln-btn:focus-visible{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.14)}.ln-btn:active{transform:translateY(1px)}.ln-btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.ln-btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}.ln-error{margin-top:10px;border:1px solid #fecaca;background:#fff1f2;color:#9f1239;border-radius:10px;padding:10px}.ln-result{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}.ln-chip{border:1px solid #86efac;background:#ecfdf5;color:#166534;border-radius:999px;padding:8px 12px;font-weight:800}@media(min-width:701px) and (max-width:1024px){.ln-page{padding:18px}.ln-grid{gap:12px}.ln-btn{padding:10px 13px}.ln-chip{font-size:.96rem}}@media(max-width:700px){.ln-page{padding:16px}.ln-grid{grid-template-columns:1fr}.ln-check,.ln-grid input[type=number]{min-height:44px}.ln-btn{min-height:44px;padding:10px 14px}.ln-chip{font-size:.95rem;padding:9px 12px}}