:root {
  --bg: #1b1014; --panel: #2a161d; --line: #4a2733; --ink: #f5ecdf; --muted: #c9b8a6;
  --accent: #d9a441; --wine: #7a2238; --danger: #e0707a;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at 20% 0, #3a1824 0, var(--bg) 55%); color: var(--ink);
  font: 16px/1.6 system-ui, "Noto Sans KR", "Noto Sans JP", sans-serif; min-height: 100vh; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: rgba(27,16,20,.85); position: sticky; top: 0; }
.brand { color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: .04em; }
.mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--wine); color: var(--accent); margin-right: 6px; }
nav { display: flex; gap: 14px; align-items: center; }
nav a { color: var(--muted); text-decoration: none; }
nav a.on { color: var(--accent); }
select, input { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; }
main { max-width: 980px; margin: 0 auto; padding: 24px 16px 60px; }
h1 { margin: 0 0 6px; font-size: 1.6rem; } h2 { font-size: 1.05rem; color: var(--accent); margin: 0 0 10px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.narrow { max-width: 520px; margin: 0 auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 16px; }
.rank { margin: 0; padding-left: 1.6em; } .rank li { padding: 6px 0; border-bottom: 1px solid var(--line); }
.rank li:last-child { border: 0; } .rank b { color: var(--accent); }
.muted { color: var(--muted); } .small { font-size: .85rem; }
form { display: grid; gap: 8px; margin: 14px 0; }
button { background: var(--wine); color: var(--ink); border: 1px solid #9a3450; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; }
button:disabled { opacity: .5; cursor: default; }
button.ghost { background: transparent; border-color: var(--line); } button.danger { color: var(--danger); }
.code { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
#code { font: 700 1.8rem/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; color: var(--accent);
  background: #140b0f; border: 1px dashed var(--accent); border-radius: 10px; padding: 10px 14px; }
.msg { min-height: 1.4em; color: var(--accent); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: #3a2a10; color: var(--accent); font-size: .85rem; }
.worlds { display: grid; gap: 10px; margin-bottom: 16px; }
.world { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: #221218; }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }