:root{--accent: #2563eb;--accent-strong: #1d4ed8;--bg: #f5f8fb;--bg-soft: #ffffff;--border: #d8e2ec;--text: #16222e;--text-muted: #5a6b7c;--radius: 14px;--shadow-sm: 0 1px 2px rgb(0 0 0 / .07);--shadow-md: 0 10px 28px rgb(0 0 0 / .12);--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background:radial-gradient(1100px 360px at 50% -160px,color-mix(in srgb,var(--accent) 11%,transparent),transparent 70%),var(--bg);background-attachment:fixed}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::selection{background:color-mix(in srgb,var(--accent) 35%,transparent)}.container{max-width:1060px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid color-mix(in srgb,var(--border) 75%,transparent);background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(12px) saturate(1.5);-webkit-backdrop-filter:blur(12px) saturate(1.5)}.site-header .container{display:flex;align-items:center;gap:16px;height:60px}.brand{font-family:var(--font-mono);font-weight:700;font-size:1.18rem;letter-spacing:-.01em;color:var(--text);display:flex;align-items:center;gap:9px}.brand:hover{text-decoration:none;color:var(--accent)}.brand .logo{width:24px;height:24px;color:var(--accent)}.site-nav{margin-left:auto;display:flex;gap:4px;align-items:center}.site-nav a{color:var(--text-muted);font-size:.93rem;font-weight:500;padding:7px 13px;border-radius:999px;transition:color .15s ease,background .15s ease}.site-nav a:hover{color:var(--text);background:color-mix(in srgb,var(--accent) 13%,transparent);text-decoration:none}main{padding:48px 0 96px}h1{font-size:clamp(2rem,4.6vw,2.7rem);line-height:1.12;letter-spacing:-.03em;font-weight:800;margin:4px 0 14px;background:linear-gradient(115deg,var(--text) 30%,color-mix(in srgb,var(--accent) 65%,var(--text)));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}h2{font-size:1.42rem;letter-spacing:-.02em;margin:48px 0 16px;display:flex;align-items:center;gap:11px}h2:before{content:"";flex:none;width:7px;height:22px;border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--accent-strong))}h3{font-size:1.08rem;letter-spacing:-.01em;margin:28px 0 10px}.lead{color:var(--text-muted);font-size:1.14rem;max-width:62ch}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:18px}.tool-card{display:block;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:18px 18px 16px;color:var(--text);box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.tool-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 55%,var(--border));box-shadow:var(--shadow-md);text-decoration:none}.tool-card h3{margin:0 0 6px;font-size:1.02rem;color:var(--text)}.tool-card p{margin:0;font-size:.88rem;color:var(--text-muted)}.tool-card .cat{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);padding:3px 9px;border-radius:999px;margin-bottom:9px}.panel{background:var(--bg-soft);border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm);margin:18px 0}textarea,input[type=text],select{width:100%;background:var(--bg);color:var(--text);border:1.5px solid var(--border);border-radius:12px;padding:12px 14px;font-family:var(--font-mono);font-size:.92rem;transition:border-color .15s ease,box-shadow .15s ease}textarea:focus,input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}button,.btn{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff;border:none;border-radius:12px;padding:11px 20px;font-size:.95rem;font-weight:650;cursor:pointer;box-shadow:0 2px 10px color-mix(in srgb,var(--accent) 32%,transparent);transition:transform .13s ease,box-shadow .13s ease,filter .13s ease}button:hover,.btn:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 40%,transparent);text-decoration:none}button:active,.btn:active{transform:translateY(0)}button.secondary,.btn.secondary{background:transparent;border:1.5px solid var(--border);color:var(--text);box-shadow:none}button.secondary:hover,.btn.secondary:hover{border-color:var(--accent);color:var(--accent);filter:none;transform:translateY(-1px)}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0;align-items:center}.output{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px;font-family:var(--font-mono);font-size:.88rem;white-space:pre-wrap;word-break:break-all;min-height:52px}.error{color:#f87171}.ok{color:#34d399}.breadcrumbs{font-size:.85rem;color:var(--text-muted);margin-bottom:6px}.breadcrumbs a{color:var(--text-muted)}details.faq{border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin:10px 0;background:var(--bg-soft);box-shadow:var(--shadow-sm)}details.faq summary{cursor:pointer;font-weight:600}details.faq[open]{border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}.example{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px;margin:12px 0;font-family:var(--font-mono);font-size:.85rem;overflow-x:auto}.example .lbl{color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.search-wrap{position:relative;max-width:560px;margin:24px 0}.search-wrap input{padding:14px 16px;font-size:1rem;border-radius:14px;font-family:var(--font-body)}.search-results{position:absolute;top:100%;left:0;right:0;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;margin-top:8px;overflow:hidden;z-index:60;box-shadow:var(--shadow-md)}.search-results a{display:block;padding:11px 16px;color:var(--text)}.search-results a:hover,.search-results a.active{background:color-mix(in srgb,var(--accent) 10%,transparent);text-decoration:none}.search-results small{color:var(--text-muted);display:block}img{max-width:100%;border-radius:12px}.ad-slot{display:flex;align-items:center;justify-content:center;min-height:90px;margin:28px auto;max-width:760px;background:color-mix(in srgb,var(--bg-soft) 70%,var(--bg));border:1px dashed var(--border);border-radius:var(--radius);overflow:hidden}.ad-sidebar{min-height:250px;max-width:320px}.site-footer{border-top:1px solid var(--border);padding:38px 0;color:var(--text-muted);font-size:.88rem;background:color-mix(in srgb,var(--bg-soft) 55%,var(--bg))}.site-footer .cols{display:flex;flex-wrap:wrap;gap:36px}.site-footer h4{margin:0 0 10px;font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text)}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:5px 0}.site-footer a{color:var(--text-muted)}.site-footer a:hover{color:var(--text)}@media(max-width:640px){main{padding:32px 0 64px}h2{font-size:1.25rem;margin:36px 0 12px}.site-nav a{padding:6px 9px}.panel{padding:18px;border-radius:14px}}