:root{
      --ink:#1f2a37; --muted:#6b7280; --line:#e5e7eb; --accent:#2dd4bf; --bg:#f8fafc; --hero:#0ea5e9;
      --card:#ffffff; --danger:#ef4444; --ok:#10b981;
    }
    *{box-sizing:border-box}
    html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple SD Gothic Neo","Noto Sans KR","Nanum Gothic",sans-serif;color:var(--ink);background:var(--bg)}
    a{color:inherit;text-decoration:none}
    .wrap{max-width:1080px;margin:0 auto;padding:24px}
    .hero{position:relative;border-radius:24px;padding:42px 32px;background:linear-gradient(135deg,#0ea5e9,#22d3ee);color:#fff;box-shadow:0 20px 40px #0ea5e925}
    .hero h1{margin:0 0 8px 0;font-size:32px;letter-spacing:-0.2px}
    .hero p{margin:0;opacity:.9}
    .nav{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;background:#fff;color:#0b6ea9;font-weight:600}
    .btn svg{width:18px;height:18px}

    .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
    @media (max-width:940px){.grid{grid-template-columns:repeat(2,1fr)}}
    @media (max-width:640px){.grid{grid-template-columns:1fr}}

    .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 24px #0f172a0d;transition:transform .15s ease, box-shadow .2s ease}
	.card:hover:not(.disabled){transform:translateY(-2px);box-shadow:0 16px 40px #0f172a12}
	.card.disabled{background:var(--disabled);color:var(--disabled-text);pointer-events:none;box-shadow:none;border-style:dashed}
	.card.disabled .chip{background:var(--disabled);color:var(--disabled-text);}
    .card h3{margin:6px 0 8px 0;font-size:18px}
    .chip{display:inline-block;padding:4px 8px;border-radius:999px;background:#ecfeff;color:#0e7490;font-size:12px;font-weight:700}
    .card p{margin:6px 0 0 0;color:var(--muted);font-size:14px;line-height:1.4}

    .section{margin-top:28px}
    .section h2{font-size:22px;margin:0 0 10px 0}

    /* Router sections */
    [data-route]{display:none}
    [data-route].active{display:block}

    /* Detail page */
    .two{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    @media (max-width:980px){.two{grid-template-columns:1fr}}
    .list{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
    .list h4{margin:0 0 8px 0}
    .li{display:flex;gap:10px;padding:10px 8px;border-bottom:1px dashed var(--line)}
    .li:last-child{border-bottom:none}
    .li b{min-width:22px;text-align:center;background:#f1f5f9;border-radius:8px}

    .callout{background:#ecfeff;border:1px solid #a5f3fc;border-radius:14px;padding:14px}

    /* Option cards */
    .opt{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
    .opt h5{margin:0 0 6px 0;font-size:16px}
    .opt small{color:var(--muted)}
    .opt ul{margin:8px 0 0 16px}

    .footer{color:var(--muted);font-size:13px;margin:28px 0 8px 0;text-align:center}

    /* Tiny svg caption */
    .cap{font-size:12px;color:var(--muted);text-align:center;margin-top:6px}

    .back{display:inline-flex;align-items:center;gap:8px;margin:12px 0 0 0;color:#0369a1}