:root {
  --duquan-ink: #f4ede4;
  --duquan-muted: #a99f96;
  --duquan-soft: #716a64;
  --duquan-bg: #171513;
  --duquan-panel: rgba(31, 28, 25, 0.9);
  --duquan-line: rgba(246, 235, 222, 0.13);
  --duquan-red: #ec7667;
  --duquan-yellow: #f1c36b;
  --duquan-blue: #74a6d9;
  --duquan-rock: #a4adb6;
}

.duquan-page {
  min-height: 100vh;
  color: var(--duquan-ink);
  background:
    radial-gradient(circle at 7% 7%, rgba(196, 75, 63, 0.18), transparent 28rem),
    radial-gradient(circle at 95% 88%, rgba(225, 163, 90, 0.12), transparent 26rem),
    var(--duquan-bg);
}

.duquan-shell {
  width: min(100% - 32px, 1280px);
  padding: 16px 0;
}

.duquan-back-link {
  margin-bottom: 14px;
  color: var(--duquan-muted);
}

.duquan-back-link span { color: var(--duquan-red); }

.duquan-header,
.duquan-status-row {
  display: flex;
  align-items: center;
}

.duquan-header {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.duquan-header h1 {
  margin: 0;
  color: #fff8f0;
  font-size: clamp(2rem, 5vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.12em;
  line-height: 0.82;
}

.duquan-header h1 span { color: var(--duquan-red); }

.duquan-summary {
  flex: 1;
  min-width: 0;
  margin: 0;
  color: var(--duquan-muted);
  font-size: 0.72rem;
  line-height: 1.4;
}

.duquan-quiet-button,
.duquan-primary-button {
  border: 0;
  cursor: pointer;
  font-weight: 850;
}

.duquan-quiet-button {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(246, 235, 222, 0.16);
  border-radius: 9px;
  color: #d9cfc5;
  background: rgba(69, 58, 51, 0.62);
  font-size: 0.64rem;
}

.duquan-quiet-button:hover,
.duquan-quiet-button:focus-visible {
  border-color: rgba(241, 195, 107, 0.6);
  background: rgba(87, 69, 57, 0.86);
}

.duquan-setup {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px;
  border: 1px solid rgba(246, 235, 222, 0.11);
  border-radius: 15px;
  background: rgba(10, 9, 8, 0.38);
}

.duquan-choice-grid {
  display: grid;
  flex: 0 0 min(360px, 40%);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.duquan-choice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
  min-height: 54px;
  padding: 8px;
  overflow: hidden;
  border: 1px solid rgba(246, 235, 222, 0.13);
  border-radius: 11px;
  color: #f6ede4;
  background: rgba(57, 49, 43, 0.65);
  cursor: pointer;
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.duquan-choice:hover,
.duquan-choice:focus-visible {
  border-color: rgba(255, 244, 231, 0.45);
  background: rgba(72, 61, 53, 0.86);
}

.duquan-choice[aria-pressed="true"] {
  border-color: var(--duquan-yellow);
  background: rgba(104, 76, 45, 0.48);
  box-shadow: 0 0 0 2px rgba(241, 195, 107, 0.11), inset 0 0 25px rgba(241, 195, 107, 0.08);
}

.duquan-choice[disabled] { cursor: default; opacity: 0.74; }
.duquan-choice[disabled][aria-pressed="true"] { opacity: 1; }

.duquan-choice-icon,
.duquan-population-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.duquan-choice-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
}

.duquan-choice-icon img { display: block; width: 25px; height: 25px; object-fit: contain; }
.duquan-choice.is-scissors .duquan-choice-icon { background: var(--duquan-red); }
.duquan-choice.is-rock .duquan-choice-icon { background: #60686f; }
.duquan-choice.is-paper .duquan-choice-icon { background: var(--duquan-blue); }
.duquan-choice b { font-size: 0.78rem; font-weight: 850; }

.duquan-population {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 12px;
  min-width: 0;
}

.duquan-population-list {
  display: grid;
  flex: 1;
  gap: 5px;
  min-width: 0;
}

.duquan-population-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 42px;
  align-items: center;
  gap: 7px;
}

.duquan-population-label {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  color: var(--duquan-muted);
  font-size: 0.62rem;
  font-weight: 750;
}

.duquan-population-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  border-radius: 5px;
}

.duquan-population-icon img { display: block; width: 12px; height: 12px; object-fit: contain; }
.duquan-population-icon.is-scissors, .duquan-population-fill.is-scissors { background: var(--duquan-red); }
.duquan-population-icon.is-rock, .duquan-population-fill.is-rock { background: var(--duquan-rock); }
.duquan-population-icon.is-paper, .duquan-population-fill.is-paper { background: var(--duquan-blue); }
.duquan-population-track { height: 6px; overflow: hidden; border-radius: 999px; background: rgba(246, 235, 222, 0.1); }
.duquan-population-fill { display: block; width: 33.333%; height: 100%; border-radius: inherit; transition: width 240ms ease; }
.duquan-population-row strong { color: #ede2d7; font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.57rem; text-align: right; }

.duquan-arena-section { margin-top: 10px; }

.duquan-stage-wrap {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 960 / 620;
  border: 1px solid rgba(246, 235, 222, 0.16);
  border-radius: 13px;
  background: #141311;
  box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.025), 0 16px 30px rgba(0, 0, 0, 0.27);
}

.duquan-stage-wrap::before,
.duquan-stage-wrap::after {
  position: absolute;
  z-index: 1;
  width: 16px;
  height: 16px;
  border-color: rgba(241, 195, 107, 0.68);
  border-style: solid;
  content: "";
  pointer-events: none;
}

.duquan-stage-wrap::before { top: 12px; left: 12px; border-width: 1px 0 0 1px; }
.duquan-stage-wrap::after { right: 12px; bottom: 12px; border-width: 0 1px 1px 0; }

#duquan-canvas { display: block; width: 100%; height: 100%; cursor: crosshair; touch-action: none; }
#duquan-canvas:focus-visible { outline: 3px solid rgba(241, 195, 107, 0.52); outline-offset: -3px; }

.duquan-status-row {
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  min-height: 25px;
  padding: 7px 2px 0;
}

.duquan-status { margin: 0; color: #c2b6aa; font-size: 0.66rem; line-height: 1.4; }
.duquan-last-event { max-width: 45%; overflow: hidden; color: var(--duquan-soft); font-size: 0.57rem; text-overflow: ellipsis; white-space: nowrap; }

.duquan-result-card {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: min(82%, 310px);
  flex-direction: column;
  align-items: center;
  padding: 20px;
  border: 1px solid rgba(241, 195, 107, 0.55);
  border-radius: 15px;
  background: rgba(28, 24, 20, 0.93);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.42), 0 0 0 6px rgba(241, 195, 107, 0.08);
  text-align: center;
  transform: translate(-50%, -50%);
  animation: duquan-result-in 380ms ease both;
}

.duquan-result-card strong { color: #fff8ef; font-size: 1.5rem; font-weight: 900; letter-spacing: -0.07em; }
.duquan-result-card p { margin: 8px 0 15px; color: var(--duquan-muted); font-size: 0.72rem; line-height: 1.5; }
.duquan-primary-button { min-height: 38px; padding: 0 15px; border-radius: 9px; color: #241b16; background: var(--duquan-yellow); font-size: 0.7rem; }
.duquan-primary-button:hover, .duquan-primary-button:focus-visible { background: #ffda89; }

[hidden] { display: none !important; }

@keyframes duquan-result-in {
  from { opacity: 0; transform: translate(-50%, -45%) scale(0.94); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 700px) {
  .duquan-shell { width: 100%; padding: 8px 0 12px; }
  .duquan-back-link { margin: 0 8px 12px; }
  .duquan-header { display: flex; flex-wrap: wrap; margin: 0 8px 8px; }
  .duquan-header h1 { margin: 4px 0; font-size: 2.6rem; }
  .duquan-summary { font-size: 0.65rem; }
  .duquan-quiet-button { flex: 0 0 auto; }
  .duquan-setup { display: block; padding: 7px; }
  .duquan-choice-grid { width: 100%; gap: 5px; }
  .duquan-choice { min-height: 52px; padding: 6px 4px; }
  .duquan-choice-icon { width: 29px; height: 29px; flex-basis: 29px; border-radius: 8px; }
  .duquan-choice-icon img { width: 21px; height: 21px; }
  .duquan-choice b { font-size: 0.72rem; }
  .duquan-population { display: block; margin-top: 7px; }
  .duquan-population-row { grid-template-columns: 55px minmax(0, 1fr) 42px; gap: 6px; }
  .duquan-arena-section { margin-top: 8px; }
  .duquan-status-row { display: block; padding-inline: 1px; }
  .duquan-last-event { display: block; max-width: 100%; margin-top: 4px; }
}