:root{
  --bg:#07111f;--bg2:#0b1628;--card:#101d32;--card2:#13223a;--text:#eef6ff;--muted:#a9bbd4;
  --line:rgba(255,255,255,.11);--brand:#6ce4ff;--brand2:#a68cff;--accent:#7cf8c9;--warn:#ffd166;
  --shadow:0 24px 70px rgba(0,0,0,.35);--radius:24px;--max:1180px;
}
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50%;width:520px;height:520px;background:linear-gradient(135deg,rgba(108,228,255,.22),rgba(166,140,255,.18));filter:blur(60px);border-radius:999px;transform:translateX(-15%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:34px;align-items:center}.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(108,228,255,.26);background:rgba(108,228,255,.09);color:#d9fbff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 16px var(--accent)}h1{font-size:clamp(38px,6vw,72px);line-height:1.02;margin:18px 0 18px;letter-spacing:-.055em}h2{font-size:clamp(28px,3.5vw,44px);line-height:1.12;margin:0 0 18px;letter-spacing:-.035em}h3{font-size:22px;line-height:1.25;margin:0 0 10px}.lead{font-size:clamp(18px,2.1vw,22px);color:#c9d8ed;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{border:0;border-radius:16px;padding:13px 18px;font-weight:900;cursor:pointer;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06101c;box-shadow:0 14px 40px rgba(108,228,255,.16);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary{background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--text);box-shadow:none}.btn.small{padding:10px 13px;border-radius:13px;font-size:13px}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none}.tool-card,.panel,.article-card,.toc,.notice{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.045));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.tool-card{padding:22px}.tool-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}.status{color:var(--accent);font-size:13px;font-weight:900}.tool-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.char-option{border:1px solid var(--line);background:rgba(255,255,255,.055);color:var(--text);border-radius:16px;padding:12px;text-align:left;cursor:pointer}.char-option strong{display:block}.char-option small{color:var(--muted)}.char-option.active{border-color:rgba(108,228,255,.55);background:rgba(108,228,255,.11)}.form-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.field label{display:block;color:#dcecff;font-weight:800;font-size:14px;margin-bottom:7px}.input,.textarea,select{width:100%;border:1px solid var(--line);background:rgba(3,9,18,.55);color:var(--text);border-radius:15px;padding:13px 14px;font:inherit}.textarea{min-height:120px;resize:vertical}.result-box{margin-top:15px;border:1px dashed rgba(108,228,255,.34);background:rgba(3,9,18,.5);border-radius:18px;padding:16px}.result-display{min-height:64px;border-radius:14px;background:rgba(255,255,255,.055);padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:20px}.meta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.mini-stat{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:14px;padding:10px}.mini-stat b{display:block;font-size:18px}.mini-stat span{font-size:12px;color:var(--muted)}section{padding:42px 0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.article-card{padding:24px}.article-card p{color:#b9c9df}.article-card ul{padding-left:18px;color:#c6d5e9}.section-head{max-width:760px;margin-bottom:24px}.muted{color:var(--muted)}.toc{padding:20px}.toc a{display:block;color:#cbd9ec;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.06)}.toc a:last-child{border-bottom:0}.content{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}.prose{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--radius);padding:30px}.prose p,.prose li{color:#c2d1e5}.prose h2{margin-top:36px}.prose h2:first-child{margin-top:0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;margin:18px 0}.table{width:100%;border-collapse:collapse;min-width:700px;background:rgba(3,9,18,.42)}.table th,.table td{padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}.table th{color:#e8f7ff;background:rgba(255,255,255,.06)}.faq details{background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:18px;padding:17px 18px;margin:12px 0}.faq summary{font-weight:900;cursor:pointer}.faq p{color:#bed0e6}.tool-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.tool-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}.utility{padding:22px}.unicode-row{display:grid;grid-template-columns:140px 1fr 1fr;gap:10px;padding:10px;border-bottom:1px solid rgba(255,255,255,.08)}.unicode-row:first-child{font-weight:900;color:#fff}.visual{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(255,255,255,.06);border-radius:10px;padding:2px 6px}.callout{border-left:4px solid var(--brand);padding:16px 18px;background:rgba(108,228,255,.08);border-radius:16px;color:#dff8ff}.notice{padding:18px;color:#cfe0f5}.lang-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.lang-grid a{border:1px solid var(--line);border-radius:14px;padding:10px;background:rgba(255,255,255,.04);color:#d6e6f9;font-weight:750}.footer{border-top:1px solid var(--line);padding:40px 0 30px;margin-top:44px;background:rgba(0,0,0,.12)}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:24px}.footer a{display:block;color:var(--muted);padding:4px 0}.copyright{margin-top:24px;color:#8192aa;font-size:13px}.pillrow{display:flex;flex-wrap:wrap;gap:8px}.pill{border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:rgba(255,255,255,.045);color:#cddced;font-size:13px}.breadcrumbs{margin-top:18px;color:#9db0c8;font-size:14px}.breadcrumbs a{color:#cceeff}.rtl{direction:rtl}.hidden{display:none!important}@media (max-width:900px){.hero-grid,.grid-2,.grid-3,.content,.tool-page-grid,.footer-grid{grid-template-columns:1fr}.menu{display:none;position:absolute;left:16px;right:16px;top:74px;background:#0b1628;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.menu.open{display:grid}.menu a{display:block}.hamb{display:inline-block}.tool-tabs{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.meta-grid{grid-template-columns:1fr 1fr}.lang-grid{grid-template-columns:1fr 1fr}.hero{padding-top:46px}}@media (max-width:560px){.wrap{padding:0 16px}h1{font-size:38px}.meta-grid,.lang-grid{grid-template-columns:1fr}.tool-top{display:block}.unicode-row{grid-template-columns:1fr}.btn{width:100%}}


/* Expanded editorial content and original SVG visuals */
.expanded-editorial{padding:56px 0}.expanded-card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px}.expanded-card h2{margin-top:34px}.expanded-card h2:first-child{margin-top:0}.expanded-card p,.expanded-card li{color:#c4d4e9}.expanded-card strong{color:#eef6ff}.expanded-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:center;margin:18px 0 30px}.license-visual{margin:0;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);border-radius:22px;padding:12px;overflow:hidden}.license-visual img{display:block;width:100%;height:auto;border-radius:16px}.license-visual figcaption{font-size:13px;color:#9fb2cb;margin-top:9px}.topic-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.topic-summary div{border:1px solid rgba(255,255,255,.10);border-radius:16px;background:rgba(255,255,255,.045);padding:14px}.topic-summary b{display:block;color:#eff8ff;margin-bottom:5px}.expanded-list{columns:2;column-gap:28px}.expanded-note{border-left:4px solid var(--accent);background:rgba(124,248,201,.08);border-radius:18px;padding:16px 18px;margin:24px 0;color:#dcfff3}.expanded-mini-table{width:100%;border-collapse:collapse;margin:18px 0;border:1px solid rgba(255,255,255,.10);border-radius:16px;overflow:hidden}.expanded-mini-table th,.expanded-mini-table td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08);vertical-align:top}.expanded-mini-table th{background:rgba(255,255,255,.06);color:#fff;text-align:left}.expanded-mini-table tr:last-child td{border-bottom:0}@media(max-width:900px){.expanded-grid,.topic-summary{grid-template-columns:1fr}.expanded-list{columns:1}.expanded-card{padding:22px}}