:root{color-scheme:light;--color-bg: #020617;--color-bg-elevated: #0b1223;--color-panel: rgba(15, 23, 42, .78);--color-panel-solid: #111a2e;--color-text: #e2e8f0;--color-heading: #f8fafc;--color-muted: #94a3b8;--color-border: rgba(148, 163, 184, .24);--color-accent: #22d3ee;--color-accent-strong: #06b6d4;--color-accent-contrast: #042f3a;--radius-xl: 28px;--radius-lg: 20px;--radius-md: 14px;--space-section: clamp(44px, 7vw, 88px);--shadow-soft: 0 14px 40px rgba(2, 6, 23, .28);--shadow-lift: 0 24px 55px rgba(2, 6, 23, .42);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% -8%,rgba(34,211,238,.2),transparent 30rem),radial-gradient(circle at 90% 0%,rgba(59,130,246,.18),transparent 34rem),linear-gradient(180deg,#020617,#030816 65%,#020617);color:var(--color-text);line-height:1.6}a{color:#67e8f9;text-decoration:none;transition:color .2s ease,opacity .2s ease}a:hover{color:#a5f3fc}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.site-shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header,.site-footer{padding:24px 0}.site-header{position:sticky;top:0;z-index:30;backdrop-filter:blur(14px);background:#0206179e;border-bottom:1px solid rgba(148,163,184,.12)}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-heading);font-weight:800}.brand-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:12px;background:linear-gradient(145deg,var(--color-accent),#60a5fa);color:#00131a;box-shadow:0 0 0 1px #22d3ee59}.nav-links{display:flex;flex-wrap:wrap;gap:10px}.lang-switch{display:inline-flex;align-items:center;gap:6px}.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:32px;padding:0 10px;border-radius:999px;border:1px solid rgba(148,163,184,.22);color:#cbd5e1;font-size:.8rem;font-weight:700;letter-spacing:.04em}.lang-switch a[aria-current=page]{border-color:#22d3ee73;color:var(--color-heading);background:#22d3ee1f}.nav-links a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid transparent;color:#cbd5e1}.nav-links a:hover{color:var(--color-heading);border-color:#94a3b84d;background:#94a3b81f}.nav-links a[aria-current=page]{color:var(--color-heading);border-color:#22d3ee73;background:#22d3ee24}.hero{padding:clamp(48px,8vw,92px) 0 36px}.hero-card,.panel{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:linear-gradient(165deg,#1e293bc2,#0f172ad6);box-shadow:var(--shadow-soft)}.hero-card{padding:clamp(28px,5vw,56px);position:relative;overflow:hidden}.hero-card:before{content:"";position:absolute;width:320px;height:320px;right:-90px;top:-100px;border-radius:999px;background:radial-gradient(circle at center,rgba(34,211,238,.28),transparent 70%);pointer-events:none}.eyebrow{margin:0 0 12px;color:var(--color-accent);font-size:.85rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3{line-height:1.12;color:var(--color-heading)}h1{max-width:820px;margin:0;font-size:clamp(2.4rem,6vw,5rem);letter-spacing:-.05em}h2{margin:0 0 18px;font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.03em}.lead{max-width:720px;margin:22px 0 0;color:var(--color-muted);font-size:1.1rem}.hero-footnote{margin:16px 0 0;color:#cbd5e1;font-size:.95rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid transparent;background:linear-gradient(140deg,var(--color-accent),#38bdf8);color:var(--color-accent-contrast);font-weight:700;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}.button:hover{transform:translateY(-1px);box-shadow:0 10px 24px #22d3ee59;filter:brightness(1.03);color:#00131a}.button.secondary{border-color:#94a3b857;background:#0f172a80;color:#cbd5e1}.button.secondary:hover{background:#1e293bbf;box-shadow:none;color:var(--color-heading)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:36px}.stat{padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#0f172aa8}.stat strong{display:block;font-size:1.8rem;line-height:1}.stat span,.card p,.muted{color:var(--color-muted)}.section{padding:var(--space-section) 0 0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{min-height:180px;padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-panel);backdrop-filter:blur(2px);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-3px);border-color:#22d3ee73;box-shadow:var(--shadow-lift)}.card h3{margin:0 0 10px;font-size:1.15rem}.meta-list{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:20px 0 0;list-style:none}.meta-list li{padding:6px 10px;border:1px solid var(--color-border);border-radius:999px;color:var(--color-muted);font-size:.9rem;background:#0f172aa3}.language-list{columns:4 160px;padding-left:18px}.tool-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:18px;align-items:start}.tool-panel{padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-panel);box-shadow:var(--shadow-soft)}.tool-panel label{display:block;margin-bottom:8px;font-weight:700}.tool-panel textarea,.tool-panel input,.tool-panel select{width:100%;border:1px solid var(--color-border);border-radius:12px;padding:12px;color:var(--color-text);background:#0f172acc;font:inherit}.tool-panel textarea{min-height:150px;resize:vertical}.tool-panel output,.output-box{display:block;min-height:48px;overflow-wrap:anywhere;white-space:pre-wrap;border:1px solid var(--color-border);border-radius:12px;padding:12px;background:#020617a6;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.check-list{display:grid;gap:8px;margin:12px 0}.check-list label{display:flex;gap:8px;align-items:center;margin:0;font-weight:500}.check-list input{width:auto}.content-section{display:grid;gap:18px}.content-section ul{margin-top:0}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px 18px;background:#0f172ab8}.faq-list summary{cursor:pointer;font-weight:800}@media(max-width:760px){.site-nav,.stats,.tool-shell,.field-row,.grid{grid-template-columns:1fr}.site-nav{align-items:flex-start;flex-direction:column}.lang-switch{margin-top:4px}.site-header{position:static;backdrop-filter:none;background:transparent;border-bottom:0}}.site-footer{margin-top:var(--space-section);border-top:1px solid rgba(148,163,184,.15);background:linear-gradient(180deg,#02061759,#020617c7)}.footer-shell{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 18px}.footer-copy{margin:0}.footer-links{display:flex;flex-wrap:wrap;gap:12px}.footer-links a{color:#cbd5e1;padding:6px 10px;border-radius:999px;border:1px solid rgba(148,163,184,.2)}.footer-links a:hover{border-color:#22d3ee59;color:var(--color-heading)}