:root{--bg:#f4f7fb;--card:#fff;--ink:#132238;--muted:#607089;--brand:#0a6ed1;--brand2:#14b8a6;--line:#d9e2ef;--code:#0b1220;--good:#107e3e;--bad:#bb0000;--shadow:0 18px 45px rgba(18,35,64,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top left,#eaf4ff,transparent 34rem),var(--bg);color:var(--ink);line-height:1.55}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.02em}.logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:white;box-shadow:var(--shadow)}.navlinks{display:flex;gap:12px;flex-wrap:wrap}.navlinks a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px}.hero{padding:58px 0 34px}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:stretch}.panel,.tool-card,.tool-shell{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.hero h1{font-size:clamp(38px,7vw,76px);line-height:.96;margin:0 0 18px;letter-spacing:-.06em}.hero p{font-size:clamp(17px,2vw,21px);color:var(--muted);margin:0 0 24px}.badge-row{display:flex;gap:10px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:white;border-radius:999px;padding:8px 12px;color:var(--muted);font-size:13px;font-weight:700}.hero-side{padding:24px;display:flex;flex-direction:column;justify-content:space-between}.metric{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric div{border-radius:18px;background:#f7fbff;border:1px solid var(--line);padding:16px}.metric strong{display:block;font-size:28px;color:var(--brand)}.search{width:100%;padding:16px 18px;border:1px solid var(--line);border-radius:18px;font-size:16px;outline:none}.section{padding:22px 0}.section h2{font-size:28px;margin:0 0 14px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{display:flex;gap:14px;padding:18px;color:inherit;text-decoration:none;transition:.2s transform,.2s border}.tool-card:hover{transform:translateY(-3px);border-color:var(--brand)}.icon{min-width:48px;height:48px;border-radius:16px;background:#eaf4ff;color:var(--brand);display:grid;place-items:center;font-weight:900}.tool-card h3{margin:0 0 6px;font-size:18px}.tool-card p{margin:0;color:var(--muted);font-size:14px}.ad-slot{border:1px dashed #a8b8cc;border-radius:18px;background:repeating-linear-gradient(45deg,#f7fbff,#f7fbff 12px,#eef6ff 12px,#eef6ff 24px);color:#6b7c93;text-align:center;padding:18px;margin:18px 0;font-size:13px}.tool-header{padding:34px 0 18px}.crumb{font-size:14px;color:var(--muted)}.crumb a{color:var(--brand);text-decoration:none}.tool-shell{padding:20px;margin-bottom:36px}.tool-title{display:flex;align-items:center;gap:14px}.tool-title h1{margin:0;font-size:clamp(28px,5vw,48px);letter-spacing:-.04em}.tool-title p{margin:6px 0 0;color:var(--muted)}.workbench{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.field label{font-weight:800;font-size:13px;color:#334155}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:210px;resize:vertical}.buttons{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 14px}.btn{border:0;border-radius:999px;padding:11px 16px;background:var(--brand);color:white;font-weight:800;cursor:pointer}.btn.secondary{background:#e8eef6;color:#1f2d40}.btn.good{background:var(--good)}.btn.bad{background:var(--bad)}pre.output,.outputBox{min-height:210px;background:var(--code);color:#d6e7ff;border-radius:16px;padding:14px;overflow:auto;white-space:pre-wrap}.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.tablewrap table{border-collapse:collapse;width:100%;background:white}.tablewrap th,.tablewrap td{border-bottom:1px solid var(--line);padding:8px;text-align:left;white-space:nowrap}.canvasBox{border:1px solid var(--line);border-radius:16px;padding:12px;background:#fff;overflow:auto}.canvasBox canvas{max-width:100%;height:auto}.note{background:#f0f7ff;border-left:4px solid var(--brand);padding:12px 14px;border-radius:12px;color:#32445a}.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}.hide{display:none!important}@media (max-width:860px){.hero-grid,.workbench{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.nav{align-items:flex-start}.navlinks{justify-content:flex-end}.hero{padding-top:34px}.tool-shell{padding:14px}.wrap{width:min(100% - 22px,1180px)}}