:root {
  --bg: #f4f5fa;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --ladder: #cbd5e1;
  --primary: #4f46e5;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 10px 30px rgba(17, 24, 39, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --panel: #171a23;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --border: #2a2f3d;
    --ladder: #3f4660;
    --primary: #6366f1;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui,
    'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 960px; margin: 0 auto; padding: 0 16px 40px; }

.topbar { text-align: center; padding: 44px 16px 22px; }
.topbar h1 { margin: 0; font-size: 2rem; letter-spacing: -.02em; }
.topbar p { margin: 6px 0 0; color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
@media (max-width: 480px) { .panel { padding: 18px 14px; } }
.hidden { display: none !important; }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  transition: background .15s, transform .05s, filter .15s;
}
button:hover { background: color-mix(in srgb, var(--panel), var(--text) 6%); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
button.primary { background: var(--primary); color: #fff; border-color: transparent; }
button.primary:hover { background: var(--primary); filter: brightness(1.08); }
button.big { width: 100%; padding: 14px; font-size: 1.05rem; font-weight: 600; margin-top: 22px; }

/* 설정 */
.count-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.count-label { font-weight: 600; }
.stepper { display: flex; align-items: center; gap: 8px; }
.stepper button { width: 36px; height: 36px; padding: 0; font-size: 1.25rem; line-height: 1; border-radius: 50%; }
.stepper span { min-width: 2ch; text-align: center; font-weight: 700; font-size: 1.2rem; font-variant-numeric: tabular-nums; }

.lists { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 560px) { .lists { grid-template-columns: 1fr; } }
.list h2 { font-size: .9rem; margin: 0 0 10px; color: var(--muted); font-weight: 600; }
.hint { font-size: .78rem; color: var(--muted); margin: 6px 0 0; }

.field { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.dot {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  font-size: .7rem; font-weight: 700; color: #fff; background: var(--muted);
}
.field input {
  flex: 1; min-width: 0; font: inherit; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text);
}
.field input:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: transparent; }

.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.presets button { padding: 5px 11px; font-size: .82rem; border-radius: 999px; }

/* 게임 */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.toolbar .spacer { flex: 1; }
.toggle { display: flex; align-items: center; gap: 6px; font-size: .9rem; color: var(--muted); user-select: none; cursor: pointer; }
.toggle input { accent-color: var(--primary); }

.board-wrap { overflow-x: auto; padding: 4px 0; -webkit-overflow-scrolling: touch; }
.board { margin: 0 auto; }
.labels { display: grid; gap: 6px; padding: 0 4px; }

.chip {
  --c: var(--primary);
  border: 2px solid var(--c); background: transparent; color: var(--text);
  padding: 8px 6px; font-weight: 600; font-size: .9rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  min-width: 0; border-radius: 12px;
}
.chip:hover { background: color-mix(in srgb, var(--c) 14%, transparent); }
.chip.done, .chip.active { background: var(--c); color: #fff; }
.chip.active { animation: pulse .8s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--c) 30%, transparent); } }

.card {
  --c: var(--border);
  border: 2px dashed var(--border); border-radius: 12px;
  padding: 8px 6px; text-align: center; font-weight: 600; font-size: .9rem;
  color: var(--muted); min-width: 0; min-height: 42px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card.preview { color: var(--text); border-style: solid; }
.card.revealed {
  border-style: solid; border-color: var(--c); color: var(--text);
  background: color-mix(in srgb, var(--c) 14%, transparent);
  animation: pop .3s;
}
@keyframes pop { 0% { transform: scale(.9); } 60% { transform: scale(1.06); } 100% { transform: scale(1); } }

canvas { display: block; }

.results { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.results-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.results h2 { font-size: 1rem; margin: 0; }
.results ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px;
}
.results li {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  border-radius: 10px; background: var(--bg); border-left: 4px solid var(--c);
  min-width: 0;
}
.results .who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.results .arrow { color: var(--muted); }
.results .what { margin-left: auto; font-weight: 700; white-space: nowrap; }

/* 공유 */
.banner {
  margin-bottom: 12px; padding: 10px 14px; border-radius: 10px; font-size: .9rem;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
}
.banner strong { color: var(--primary); }
.share-box { display: flex; gap: 8px; margin-bottom: 14px; }
.share-box input {
  flex: 1; min-width: 0; font: inherit; font-size: .9rem; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text);
}
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
  max-width: calc(100% - 32px); padding: 10px 18px; border-radius: 999px;
  background: var(--text); color: var(--panel); font-size: .9rem; font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 10;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 0 16px 32px; }

@media (prefers-reduced-motion: reduce) {
  .chip.active { animation: none; }
  .card.revealed { animation: none; }
}