:root{
  --bg:#07111f;--bg2:#0d1730;--panel:#101b33ee;--panel2:#15223dcc;--text:#eef6ff;--muted:#9fb1d1;--line:#283b62;--brand:#56d9ff;--brand2:#8b5cf6;--ok:#22c55e;--err:#fb7185;--shadow:0 28px 90px rgba(0,0,0,.38);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:radial-gradient(circle at 15% 0%,rgba(86,217,255,.24),transparent 32%),radial-gradient(circle at 90% 5%,rgba(139,92,246,.22),transparent 30%),linear-gradient(145deg,var(--bg),#050914 70%)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent)}
.page-shell{width:min(1500px,calc(100% - 96px));margin:0 auto;padding:48px 0 72px}.hero{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:34px 0 28px}.hero-copy{max-width:850px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid rgba(86,217,255,.28);background:rgba(86,217,255,.09);border-radius:999px;color:#b9f3ff;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:clamp(42px,6vw,82px);line-height:.92;margin:20px 0 18px;letter-spacing:-.065em}.hero p,.section-heading p,p,small{color:var(--muted)}.hero p{font-size:19px;line-height:1.65;margin:0}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn{appearance:none;border:0;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;min-height:48px;border-radius:16px;padding:14px 20px;font-weight:900;cursor:pointer;white-space:nowrap;transition:.18s transform,.18s box-shadow,.18s border-color}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#06111f;background:linear-gradient(135deg,var(--brand),#7dd3fc 48%,#c4b5fd);box-shadow:0 18px 50px rgba(86,217,255,.24)}.btn-secondary{color:var(--text);background:rgba(255,255,255,.06);border:1px solid var(--line)}
.notice{border-radius:18px;padding:16px 18px;margin:18px 0;font-weight:800}.success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.42)}.error{background:rgba(251,113,133,.12);border:1px solid rgba(251,113,133,.42)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:22px 0 26px}.stat-card,.panel{background:linear-gradient(180deg,var(--panel),rgba(10,18,34,.9));border:1px solid rgba(148,163,184,.18);border-radius:30px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.stat-card{padding:22px}.stat-card span{color:var(--muted);font-weight:750}.stat-card strong{display:block;font-size:24px;margin:10px 0 8px;word-break:break-word}.panel{padding:30px;margin:26px 0}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading.compact{margin-bottom:14px}.section-heading h2{font-size:30px;line-height:1;margin:12px 0 8px;letter-spacing:-.035em}hr{border:0;border-top:1px solid rgba(148,163,184,.18);margin:30px -4px}.form-grid{display:grid;gap:18px;margin:16px 0}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.four{grid-template-columns:repeat(4,minmax(0,1fr))}.field label{display:block;margin:0 0 8px;color:#d8e8ff;font-weight:800}.field input{width:100%;height:50px;border:1px solid rgba(148,163,184,.24);background:rgba(3,7,18,.58);color:var(--text);border-radius:16px;padding:0 15px;outline:none;font-size:15px}.field input:focus{border-color:rgba(86,217,255,.75);box-shadow:0 0 0 5px rgba(86,217,255,.12)}.full{margin:16px 0}.toggle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:16px 0}.toggle{display:flex;align-items:center;gap:12px;min-height:52px;padding:14px;border:1px solid rgba(148,163,184,.2);background:rgba(255,255,255,.035);border-radius:18px;color:#dbeafe;font-weight:750}.toggle input{display:none}.toggle span{width:44px;height:24px;border-radius:999px;background:#334155;position:relative;flex:0 0 auto;transition:.2s}.toggle span:before{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:white;transition:.2s}.toggle input:checked+span{background:linear-gradient(135deg,var(--brand),var(--brand2))}.toggle input:checked+span:before{transform:translateX(20px)}.size-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:10px;margin-top:16px}.size-picker label input{display:none}.size-picker label span{display:flex;align-items:center;justify-content:center;height:44px;border-radius:999px;border:1px solid rgba(148,163,184,.22);background:rgba(255,255,255,.045);font-weight:900;color:#dbeafe;cursor:pointer;transition:.18s}.size-picker label input:checked+span{color:#04111f;background:linear-gradient(135deg,var(--brand),#c4b5fd);border-color:transparent;box-shadow:0 12px 30px rgba(86,217,255,.18)}.footer-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;margin-top:26px}.split{display:grid;grid-template-columns:1fr 1.4fr;gap:24px;align-items:center}.code-stack{display:grid;gap:12px}code,pre{display:block;background:rgba(3,7,18,.72);border:1px solid rgba(148,163,184,.18);border-radius:18px;padding:15px;overflow:auto;color:#bfdbfe}pre{min-height:170px;max-height:420px;white-space:pre-wrap}
@media(max-width:1100px){.page-shell{width:min(100% - 48px,1500px)}.stats-grid,.four{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{display:block}.hero-actions{margin-top:22px}.toggle-grid,.three{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}}
@media(max-width:720px){.page-shell{width:min(100% - 28px,1500px);padding-top:24px}.stats-grid,.two,.three,.four,.toggle-grid{grid-template-columns:1fr}.panel{padding:20px;border-radius:24px}.hero h1{font-size:42px}.section-heading{display:block}.footer-actions{justify-content:stretch}.btn{width:100%}}