:root{--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--brand:#0b5fff;--brand-d:#0846c4;--accent:#f59e0b;--ok:#15803d;--err:#b91c1c;--r:14px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--brand)}.wrap{max-width:1040px;margin:0 auto;padding:0 18px}.nav{background:#fff;border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}.logo{font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--ink);font-size:18px}.logo span{color:var(--brand)}.nav-links{display:flex;gap:14px;align-items:center;font-size:15px}.nav-links a{color:var(--muted)}.btn,.nav-links 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48px}@media(min-width:900px){.tool-layout{grid-template-columns:1fr 1fr;align-items:start}}.result{white-space:pre-wrap;font-size:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-height:120px;position:relative}.blurred{filter:blur(6px);-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none;color:#334155}.paywall{margin-top:14px;border:2px solid var(--brand);border-radius:12px;padding:16px;background:#f5f8ff}.paywall h3{margin:0 0 6px}.result-foot{justify-content:space-between;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--muted)}.result-foot,.tabs{display:flex;gap:8px}.tabs{overflow-x:auto;padding:14px 0 0;scrollbar-width:none}.tabs a{white-space:nowrap;text-decoration:none;font-size:14px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#fff}.tabs a.on{border-color:var(--brand);color:var(--brand);font-weight:700}.auth{max-width:420px;margin:40px 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