:root {
  --bg: #0d1017;
  --panel: #161b26;
  --panel-2: #1d2331;
  --line: #2a3242;
  --text: #e8ecf4;
  --muted: #9aa4b5;
  --accent: #ffb454;
  --accent-2: #7dd3fc;
  --good: #4ade80;
  --bad: #f87171;
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -200px, #1a2233 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
a { color: var(--accent-2); }
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}
.brand { font-weight: 700; letter-spacing: .2px; }
.hud { display: flex; align-items: center; gap: 14px; }
.dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--line); }
.dot.now { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,180,84,.15); }
.dot.ok { background: var(--good); border-color: var(--good); }
.dot.no { background: var(--bad); border-color: var(--bad); }
.score { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent); min-width: 44px; text-align: right; }
main { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 22px 16px 40px; }
.card {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin: 0 0 16px;
}
h1 { font-size: 1.6rem; margin: 6px 0 8px; }
h2 { font-size: 1.1rem; margin: 0 0 10px; }
p.lead { color: var(--muted); margin-top: 0; }
.rules { margin: 10px 0 18px; padding-left: 20px; color: var(--muted); }
.rules li { margin: 6px 0; }
.actions { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .actions.two { grid-template-columns: 1fr 1fr; } }
button {
  font: inherit; cursor: pointer; border-radius: 12px; padding: 14px 16px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  transition: transform .04s ease, border-color .15s ease, background .15s ease;
  min-height: 48px;
}
button:hover { border-color: var(--accent-2); }
button:active { transform: translateY(1px); }
button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 2px; }
button.primary { background: linear-gradient(180deg, #ffcf7d, var(--accent)); color: #221a08; border-color: transparent; font-weight: 700; }
button.ghost { background: transparent; }
button[disabled] { opacity: .5; cursor: not-allowed; }
button.choice { text-align: left; display: flex; align-items: center; gap: 10px; }
button.choice .idx { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); font-size: .85rem; font-weight: 700; color: var(--muted); }
button.choice[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--panel-2)); }
.kicker { color: var(--accent); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.prompt { font-size: 1.02rem; color: var(--muted); margin: 4px 0 12px; }
.answer { font-size: 1.06rem; padding: 14px 16px; border-left: 3px solid var(--accent); background: var(--bg); border-radius: 10px; }
.answer strong { color: var(--accent-2); }
.models { display: grid; gap: 10px; margin-top: 14px; }
.banner { border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; font-weight: 700; }
.banner.good { background: color-mix(in srgb, var(--good) 18%, var(--panel)); border: 1px solid var(--good); }
.banner.bad { background: color-mix(in srgb, var(--bad) 16%, var(--panel)); border: 1px solid var(--bad); }
.reveal-list { display: grid; gap: 10px; margin-top: 8px; }
.reveal-item { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--bg); }
.reveal-item.correct { border-color: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 18%, transparent); }
.reveal-item .who { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.reveal-item .name { font-weight: 700; }
.reveal-item .tag { font-size: .8rem; color: var(--muted); }
.reveal-item .txt { color: var(--text); }
.notes { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: .88rem; }
.result-big { font-size: 2rem; font-weight: 800; margin: 4px 0; color: var(--accent); font-variant-numeric: tabular-nums; }
.pattern { font-size: 1.5rem; letter-spacing: 4px; margin: 8px 0 2px; }
.meta-line { color: var(--muted); font-size: .9rem; }
.share-status { min-height: 1.2em; color: var(--accent-2); font-size: .9rem; margin-top: 8px; }
.foot {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center;
  padding: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem;
}
.foot .badge img { vertical-align: middle; }
.center { text-align: center; }
.steps { display: grid; gap: 6px; margin: 10px 0 0; }
.small { font-size: .85rem; color: var(--muted); }