:root{--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;--mono: ui-monospace, Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans)}.app{min-height:100vh;background:var(--bg);color:var(--ink);transition:background .3s,color .3s}.app.light{--bg: #f7f6fb;--card: #ffffff;--ink: #1b1a22;--ink2: #66626f;--line: #e7e4ef;--brand: #7c3aed;--brand2: #ec4899}.app.dark{--bg: #0b0a12;--card: #16141f;--ink: #ececf3;--ink2: #9a96ad;--line: #2a2636;--brand: #a78bfa;--brand2: #f472b6}.app.dark .sec{box-shadow:inset 0 1px #ffffff0a,0 12px 32px -22px #000000bf}.app.light .sec{box-shadow:0 1px 2px #1418200a}.themetoggle{position:fixed;top:14px;right:14px;z-index:20;font:inherit;font-size:13px;border:1px solid var(--line);background:var(--card);color:var(--ink2);border-radius:999px;padding:7px 13px;cursor:pointer}.themetoggle:hover{color:var(--brand);border-color:var(--brand)}.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:var(--card)}.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:var(--card);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 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var(--line);background:var(--card);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.card h2{font-size:22px;font-weight:800;letter-spacing:-.01em}.sec.card .body{color:var(--ink2);margin-top:6px;line-height:1.6}.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}.gtable{width:100%;border-collapse:collapse;font-size:13.5px}.gtable th,.gtable td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}.gtable th{font-size:11.5px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.03em}.gtable td{color:var(--ink)}.gtable tr:last-child td{border-bottom:none}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.metric{border:1px solid var(--line);border-radius:12px;padding:14px}.metric .ml{font-size:12px;color:var(--ink2)}.metric .mv{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:3px 0}.metric .md{font-size:12px;font-weight:700}.metric .md.up{color:#15a06a}.metric .md.down{color:#e06a4c}@media (max-width: 520px){.metrics{grid-template-columns:1fr 1fr}}.gtable.cmp th.rl{color:var(--ink2);font-weight:700;text-transform:none;letter-spacing:0}.gtable.cmp thead th{text-align:left}.steps{list-style:none;display:flex;flex-direction:column;gap:12px}.steps li{display:flex;gap:12px;align-items:flex-start}.steps .sn{flex:none;width:24px;height:24px;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center}.steps .sb{font-size:14.5px}.steps .sd{display:block;color:var(--ink2);font-size:13px;margin-top:2px}.specs{display:grid;grid-template-columns:1fr 1fr;gap:0}.specrow{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}.specrow dt{color:var(--ink2);font-size:13px}.specrow dd{font-size:13.5px;font-weight:600;text-align:right}@media (max-width: 520px){.specs{grid-template-columns:1fr}}.sec.callout{border-left:3px solid var(--brand)}.sec.callout.cv-warn{border-left-color:#e0904c}.sec.callout.cv-tip{border-left-color:#15a06a}.co-row{display:flex;gap:10px}.co-ic{font-size:16px;line-height:1.4}.co-t{font-size:14.5px}.co-b{color:var(--ink2);font-size:13.5px;margin-top:3px;line-height:1.55}.ga-head{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:8px}.ga-head .ga-v{font-weight:800;color:var(--brand)}.ga-track{height:10px;background:var(--line);border-radius:999px;overflow:hidden}.ga-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:999px;transition:width .5s ease}.assembling{font-family:var(--mono);font-size:12px;color:var(--brand);text-align:center;padding:8px}.app.dark .metric .md.up{color:#34d399}.app.dark .metric .md.down{color:#fb8a6a}.app.dark .sec.callout.cv-tip{border-left-color:#34d399}.app.dark .sec.callout.cv-warn{border-left-color:#fbbf24}.app.dark .checks input,.app.dark .gauge .ga-track{accent-color:var(--brand)}