:root{--bg:#0b1220;--panel:#0f1a33;--card:#101f3d;--green:#22c55e;--blue:#2b6cff;--text:#fff;--muted:rgba(255,255,255,.7);--line:rgba(233,238,252,.13)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(1200px 600px at 20% 0%,#132a63 0%,var(--bg) 55%) fixed;color:#fff;min-height:100vh}main{max-width:900px;margin:0 auto;padding:35px 18px}.back{color:#fff;text-decoration:none;font-weight:900}.back,h1{letter-spacing:.02em}h1{font-size:42px;margin:30px 0 5px}.intro{color:var(--muted);font-size:18px}.row{display:grid;grid-template-columns:55px 1fr auto;gap:14px;align-items:center;background:linear-gradient(180deg,rgba(16,31,61,.96),rgba(15,26,51,.94));border:1px solid var(--line);border-radius:17px;padding:15px 18px;margin:11px 0;font-size:23px;font-weight:950}.handle{font-size:30px;color:var(--muted);cursor:grab}.row input{width:25px;height:25px;accent-color:var(--green)}button{width:100%;margin-top:20px;padding:17px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--green),#15803d);color:#fff;font-size:20px;font-weight:1000;cursor:pointer}#msg{padding:12px 0;color:#f59e0b;font-weight:800}.dragging{opacity:.45}