:root{--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;--mono: ui-monospace, Menlo, monospace;--bg: #f7f6fb;--card: #fff;--ink: #1b1a22;--ink2: #66626f;--line: #e7e4ef;--brand: #7c3aed;--brand2: #ec4899}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--ink)}.hero{max-width:820px;margin:0 auto;padding:48px 22px 8px;text-align:center}.badge{font-family:var(--mono);font-size:12px;color:var(--brand);border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:#fff}.hero h1{font-size:clamp(30px,6vw,50px);font-weight:800;letter-spacing:-.02em;margin:12px 0 8px}.hero h1 .g{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--ink2);max-width:32em;margin:0 auto}.keybar{margin:22px auto 0;max-width:560px;text-align:left}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{font:inherit;font-size:13px;padding:8px 14px;background:#fff;color:var(--ink2);border:none;cursor:pointer}.seg button.on{background:var(--brand);color:#fff}.seg button:disabled{opacity:.5}.keyrow{display:flex;gap:8px;margin-top:10px}.keyrow input{flex:1;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font:inherit}.kbtn{font:inherit;font-size:13px;font-weight:600;border:none;border-radius:9px;padding:9px 14px;background:var(--brand);color:#fff;cursor:pointer}.kbtn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink2)}.kbtn:disabled{opacity:.5}.link{margin-top:8px;background:none;border:none;color:var(--brand);font:inherit;font-size:13px;cursor:pointer}.note{font-size:11.5px;color:var(--ink2);margin-top:10px;line-height:1.5}.cmdbar{display:flex;gap:8px;margin:22px auto 12px;max-width:560px}.cmdbar input{flex:1;border:1px solid var(--line);border-radius:11px;padding:11px 14px;font:inherit}.cmdbar button{font:inherit;font-weight:600;border:none;border-radius:11px;padding:11px 18px;background:var(--brand);color:#fff;cursor:pointer}.cmdbar button:disabled{opacity:.5}.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chips button{font:inherit;font-size:13px;border:1px solid var(--line);background:#fff;color:var(--ink2);border-radius:999px;padding:7px 13px;cursor:pointer}.chips button:disabled{opacity:.5}.err{color:#e06a4c;font-size:13px;margin-top:10px}.canvas{max-width:720px;margin:26px auto 70px;padding:0 22px;display:flex;flex-direction:column;gap:14px}.empty{color:var(--ink2);text-align:center;padding:40px 0}.sec{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px}.pop{animation:pop .35s ease both}@keyframes pop{0%{opacity:0;transform:translateY(12px) scale(.99)}to{opacity:1;transform:none}}.sec.head h2{font-size:24px;font-weight:800;letter-spacing:-.01em}.sec.head p{color:var(--ink2);margin-top:4px}.sec h3{font-size:15px;color:var(--brand);margin-bottom:10px}.timeline{list-style:none;display:flex;flex-direction:column;gap:10px}.timeline li{display:flex;gap:12px}.timeline .t{font-family:var(--mono);font-size:13px;color:var(--brand2);min-width:48px}.timeline .p{font-size:14.5px}.checks{display:flex;flex-wrap:wrap;gap:10px 18px}.checks label{font-size:14px;color:var(--ink2);display:inline-flex;gap:6px;align-items:center}.assembling{font-family:var(--mono);font-size:12px;color:var(--brand);text-align:center;padding:8px}