:root{--bg:#0b0f1a;--bg-soft:#0f1526;--panel:#131a2e;--panel-2:#182038;--border:#232d4a;--border-soft:#1c2540;--text:#e7ecf6;--muted:#9aa7bf;--accent:#6366f1;--accent-2:#22d3ee;--ok:#34d399;--err:#f87171;--radius:12px;--mono:ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.6}.container{max-width:1080px;margin:0 auto;padding:0 20px}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}.site-header{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-soft);background:#0b0f1ad9;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:60px;display:flex}.brand{color:var(--text);letter-spacing:-.02em;font-size:1.25rem;font-weight:800}.brand span{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text}.brand:hover{text-decoration:none}.site-header nav{gap:20px;display:flex}.site-header nav a{color:var(--muted);font-weight:500}.site-header nav a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;padding:72px 0 40px}.hero h1{letter-spacing:-.03em;margin:0 0 16px;font-size:clamp(1.8rem,4.5vw,3rem);line-height:1.15}.hero h1 .grad{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--muted);max-width:640px;margin:0 auto 28px;font-size:1.1rem}.badge{border:1px solid var(--border);background:var(--bg-soft);color:var(--muted);border-radius:999px;margin-bottom:18px;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-block}.btn{cursor:pointer;border:1px solid #0000;border-radius:10px;padding:12px 24px;font-size:.95rem;font-weight:700;transition:transform 60ms,filter .15s;display:inline-block}.btn:hover{filter:brightness(1.1);text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(90deg, var(--accent), #4f46e5);color:#fff}.btn-ghost{border-color:var(--border);color:var(--text);background:0 0}.grid{gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width:900px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.grid-4,.grid-3{grid-template-columns:1fr}}.card{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px}.card h3{margin:0 0 8px;font-size:1.02rem}.card p{color:var(--muted);margin:0;font-size:.92rem}a.card{color:inherit;transition:border-color .15s,transform .1s;display:block}a.card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}.card .tag{color:var(--accent-2);letter-spacing:.04em;font-size:.78rem;font-weight:700}section.pad{padding:40px 0}h2.sec{letter-spacing:-.02em;margin:0 0 20px;font-size:1.5rem}.muted{color:var(--muted)}.small{font-size:.85rem}.crumbs{color:var(--muted);padding:18px 0 0;font-size:.85rem}.crumbs a{color:var(--muted)}.crumbs span[aria-current]{color:var(--text)}.tool-head{padding:18px 0 8px}.tool-head h1{letter-spacing:-.02em;margin:6px 0 10px;font-size:clamp(1.5rem,3.5vw,2.2rem)}.tool-head .lede{color:var(--muted);max-width:720px;margin:0}.tool-app{margin:22px 0 8px}.panes{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (max-width:800px){.panes{grid-template-columns:1fr}}.pane{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);flex-direction:column;gap:10px;padding:14px;display:flex}.pane-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.pane-head .lang{letter-spacing:.05em;text-transform:uppercase;color:var(--accent-2);font-size:.85rem;font-weight:700}.pane-head .count{color:var(--muted);font-size:.78rem;font-family:var(--mono)}textarea.editor{resize:vertical;background:var(--bg-soft);width:100%;min-height:320px;color:var(--text);border:1px solid var(--border);font-family:var(--mono);tab-size:2;border-radius:10px;outline:none;padding:12px;font-size:.86rem;line-height:1.5}textarea.editor:focus{border-color:var(--accent)}textarea#output[readonly]{color:#cfe3ff}.toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn-sm{border-radius:8px;padding:7px 14px;font-size:.82rem}.options{flex-wrap:wrap;align-items:center;gap:14px;padding:10px 2px 0;display:flex}.options label.opt{color:var(--muted);align-items:center;gap:7px;font-size:.85rem;display:flex}.options select,.options input[type=text]{background:var(--bg-soft);color:var(--text);border:1px solid var(--border);font-size:.85rem;font-family:var(--sans);border-radius:8px;padding:6px 10px}.options input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px}.status{min-height:24px;font-size:.85rem;font-family:var(--mono);margin:10px 2px 0}.status.ok{color:var(--ok)}.status.err{color:var(--err)}.prose{max-width:780px}.prose h2{margin:28px 0 12px;font-size:1.25rem}.prose ol{color:var(--muted);padding-left:22px}.prose ol li{margin:6px 0}.prose code{font-family:var(--mono);background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:6px;padding:1px 6px;font-size:.85em}details.faq{background:var(--panel);border:1px solid var(--border-soft);border-radius:10px;margin-bottom:10px;padding:14px 18px}details.faq summary{cursor:pointer;font-weight:600}details.faq p{color:var(--muted);margin:10px 0 0}.privacy-note{color:var(--muted);background:#34d39912;border:1px solid #34d39940;border-radius:10px;margin-top:26px;padding:14px 18px;font-size:.9rem}.privacy-note strong{color:var(--ok)}.site-footer{border-top:1px solid var(--border-soft);margin-top:60px;padding:32px 0 40px}.site-footer p{margin:4px 0}.site-footer nav{gap:14px;margin:10px 0;display:flex}::selection{background:#6366f166}