:root {
  --bg: #241511;
  --bg2: #33201a;
  --cream: #f6e7ce;
  --verm: #c13b2a;
  --verm-deep: #a02c1f;
}

* { box-sizing: border-box; }
html, body { margin: 0; }

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(120% 90% at 50% 28%, var(--bg2), var(--bg) 62%);
  color: var(--cream);
  font-family: system-ui, "Microsoft YaHei", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 20px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.head { text-align: center; margin: 4px 0 8px; }

h1 {
  font-family: "KaiTi", "STKaiti", "Kaiti SC", "BiauKai", serif;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.35em;
  text-indent: 0.35em;
}

.tag {
  margin: 7px 0 0;
  font-size: 14px;
  opacity: 0.62;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
}

.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 4px;
}

.charm-slot {
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  border-radius: 24px;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.25s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}
.charm-slot:hover { transform: translateY(-3px); }
.charm-slot:active { transform: scale(0.985); }
.charm-slot:focus-visible { outline: 2px solid var(--cream); outline-offset: 8px; }
.charm-slot svg {
  display: block;
  width: min(74vw, 372px);
  height: auto;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.45));
}
.charm-slot.redraw { animation: pop 0.46s cubic-bezier(0.2, 0.8, 0.3, 1.2); }
.charm-slot.scene-out { animation: sceneOut 0.22s ease-in forwards; }

@keyframes sceneOut {
  to { transform: scale(0.92) translateY(14px); opacity: 0; }
}

/* 揭晓时的星光粒子 */
.spark {
  position: absolute;
  left: 50%;
  top: 40%;
  width: 11px;
  height: 11px;
  pointer-events: none;
  z-index: 5;
  animation: fly 0.75s cubic-bezier(0.15, 0.6, 0.3, 1) both;
}
.spark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
}
@keyframes fly {
  0% { transform: translate(-50%, -50%) scale(0.3) rotate(0deg); opacity: 0; }
  12% { opacity: 1; }
  100% {
    transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1) rotate(var(--r));
    opacity: 0;
  }
}

@keyframes pop {
  0%   { transform: scale(0.94) rotate(-1.6deg); opacity: 0.35; }
  60%  { transform: scale(1.025) rotate(0.6deg); }
  100% { transform: none; }
}

.chip {
  margin: 14px 0 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 6px 18px;
  border-radius: 999px;
  opacity: 0.9;
}

.controls {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  padding: 13px 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--cream); outline-offset: 3px; }

.btn.primary {
  background: var(--verm);
  color: #fff6e8;
  border: 2px solid transparent;
}
.btn.primary:hover { background: var(--verm-deep); }

.btn.ghost {
  background: transparent;
  color: var(--cream);
  border: 2px solid rgba(246, 231, 206, 0.5);
}
.btn.ghost:hover { border-color: var(--cream); background: rgba(255, 255, 255, 0.05); }

.hint {
  margin: 15px 0 0;
  font-size: 12.5px;
  opacity: 0.5;
  letter-spacing: 0.1em;
}

.foot {
  padding: 14px 16px 20px;
  text-align: center;
  font-size: 12px;
  opacity: 0.4;
  letter-spacing: 0.08em;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 16px);
  background: rgba(58, 32, 24, 0.95);
  color: var(--cream);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.06em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 10;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  .charm-slot.redraw,
  .charm-slot.scene-out,
  .spark { animation: none; }
  .charm-slot:hover { transform: none; }
}