:root{--bg:#12141c;--card:#1b1f2b;--line:#2a3043;--ink:#f1eee6;--sub:#a4acbd;--ok:#9be15d;--wait:#ffc857;--bad:#ff6b6b;color-scheme:dark}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink)}body{font-family:IBM Plex Sans KR,-apple-system,Apple SD Gothic Neo,Malgun Gothic,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:var(--ok)}.wrap{max-width:560px;margin:0 auto;padding:48px 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px}h1{font-size:22px;margin:0 0 8px}p{margin:0 0 12px;color:var(--sub)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;border:1px solid var(--line);background:var(--ink);color:var(--bg);font-weight:600;font-size:15px;cursor:pointer;text-decoration:none}.btn:focus-visible{outline:2px solid var(--ok);outline-offset:2px}.warn{color:var(--wait)}.sub{color:var(--sub);font-size:13px}.row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--line)}.row>div:first-child{flex:1 1 200px}.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:22px;letter-spacing:2px}.btn.ghost{background:transparent;color:var(--ink)}h2{font-size:18px;margin:0 0 8px}.card+.card{margin-top:16px}