:root {
  --purple: #6B4FE0;
  --purple-deep: #3D27A8;
  --purple-darker: #2A1A7A;
  --purple-light: #9B85F0;
  --yellow: #FFD52D;
  --yellow-soft: #FFE173;
  --yellow-dark: #C9A700;
  --pink: #F8A6B8;
  --pink-soft: #FDD3DC;
  --red: #E8556B;
  --white: #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  font-family: 'Noto Sans SC', 'Baloo 2', system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--white);
  background: radial-gradient(ellipse at top, #7A60E8 0%, var(--purple-deep) 55%, var(--purple-darker) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.bg-stars {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(2px 2px at 12% 18%, var(--yellow) 50%, transparent 51%),
    radial-gradient(2px 2px at 78% 28%, var(--white) 50%, transparent 51%),
    radial-gradient(3px 3px at 35% 78%, var(--yellow) 50%, transparent 51%),
    radial-gradient(2px 2px at 85% 72%, var(--white) 50%, transparent 51%),
    radial-gradient(3px 3px at 60% 12%, var(--yellow-soft) 50%, transparent 51%),
    radial-gradient(2px 2px at 22% 62%, var(--pink) 50%, transparent 51%),
    radial-gradient(2px 2px at 5% 45%, var(--white) 50%, transparent 51%),
    radial-gradient(3px 3px at 92% 50%, var(--yellow) 50%, transparent 51%);
  background-size: 100% 100%;
  opacity: 0.55;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.hero-logo {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.35));
}

.hero-title {
  margin-top: 4px;
  font-size: clamp(40px, 4.5vw, 72px);
  color: var(--yellow);
  font-weight: 900;
  letter-spacing: 6px;
  text-shadow:
    -3px -3px 0 var(--purple-deep),
     3px -3px 0 var(--purple-deep),
    -3px  3px 0 var(--purple-deep),
     3px  3px 0 var(--purple-deep),
     0 8px 0 rgba(0,0,0,0.28);
}

/* ---------- Layout ---------- */
.app {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr) minmax(300px, 380px);
  gap: 40px;
  max-width: 1600px;
  margin: 28px auto 0;
  padding: 0 32px 32px;
  align-items: center;
}
@media (max-width: 1100px) {
  .app {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }
}

/* ---------- Wheel ---------- */
.wheel-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wheel-wrap {
  position: relative;
  width: 100%;
  max-width: 620px;
  aspect-ratio: 1 / 1;
  filter: drop-shadow(0 24px 50px rgba(0,0,0,0.45));
}

#wheel {
  width: 100%;
  height: 100%;
  display: block;
}

.pointer {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 26px solid transparent;
  border-right: 26px solid transparent;
  border-top: 44px solid var(--red);
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.4));
  z-index: 2;
}

.pointer::after {
  content: "";
  position: absolute;
  top: -50px;
  left: -10px;
  width: 20px;
  height: 20px;
  background: var(--red);
  border-radius: 50%;
  border: 4px solid var(--white);
}

.wheel-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  pointer-events: none;
  text-align: center;
}

.center-label, .center-sub {
  color: var(--purple);
  font-weight: 800;
  letter-spacing: 4px;
}
.center-label { font-size: 13px; }
.center-sub { font-size: 13px; color: var(--purple-light); }

.center-number {
  font-family: 'Baloo 2', system-ui, sans-serif;
  font-weight: 800;
  color: var(--purple-deep);
  font-size: clamp(72px, 13vw, 150px);
  line-height: 1;
  margin: 6px 0;
  font-variant-numeric: tabular-nums;
  text-shadow:
     0 4px 0 var(--yellow),
     0 6px 12px rgba(255, 213, 45, 0.55);
  transition: transform 0.15s ease;
}
.center-number.flash {
  animation: pop 0.6s ease-out;
}
@keyframes pop {
  0%   { transform: scale(0.6); }
  60%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}

/* ---------- Spin button ---------- */
.spin-btn {
  margin-top: 28px;
  padding: 14px 56px;
  background: linear-gradient(180deg, var(--yellow-soft), var(--yellow));
  color: var(--purple-deep);
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 0 var(--yellow-dark), 0 14px 30px rgba(0,0,0,0.32);
  transition: transform 0.1s ease, box-shadow 0.1s ease, opacity 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.spin-btn-main { font-size: 26px; letter-spacing: 4px; }
.spin-btn-sub  { font-size: 13px; letter-spacing: 6px; margin-top: 4px; opacity: 0.85; }

.spin-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 0 var(--yellow-dark), 0 16px 30px rgba(0,0,0,0.35);
}
.spin-btn:active:not(:disabled) {
  transform: translateY(5px);
  box-shadow: 0 3px 0 var(--yellow-dark), 0 6px 12px rgba(0,0,0,0.3);
}
.spin-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: saturate(0.6);
}

.pool-info {
  margin-top: 16px;
  color: var(--yellow-soft);
  font-weight: 700;
  letter-spacing: 1px;
}

/* ---------- Prizes ---------- */
.prizes {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.prizes-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--yellow);
  text-shadow: 0 3px 0 var(--purple-deep);
  margin-bottom: 4px;
  text-align: center;
  letter-spacing: 4px;
}

.prize-slot {
  background: linear-gradient(135deg, var(--purple-light), var(--purple));
  border: 3px solid rgba(255, 213, 45, 0.55);
  border-radius: 20px;
  padding: 16px 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  box-shadow: 0 6px 0 rgba(0,0,0,0.22);
  transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease, border-color 0.4s ease;
  color: var(--white);
}

.prize-slot.won {
  background: linear-gradient(135deg, var(--yellow-soft), var(--yellow));
  border-color: var(--white);
  color: var(--purple-deep);
  transform: scale(1.04);
  box-shadow: 0 8px 0 rgba(0,0,0,0.25), 0 0 26px rgba(255, 213, 45, 0.6);
}

.prize-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.prize-rank { font-weight: 800; font-size: 17px; letter-spacing: 2px; }
.prize-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  opacity: 0.85;
}

.prize-no {
  font-family: 'Baloo 2', system-ui, sans-serif;
  font-size: 46px;
  font-weight: 800;
  text-align: center;
  font-variant-numeric: tabular-nums;
  min-width: 110px;
  padding: 4px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.15);
  line-height: 1;
}
.prize-slot.won .prize-no {
  background: var(--white);
  color: var(--purple-deep);
}

.reset-btn {
  margin-top: 8px;
  padding: 12px;
  background: transparent;
  color: var(--yellow);
  border: 2px solid var(--yellow);
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 2px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.reset-btn:hover {
  background: var(--yellow);
  color: var(--purple-deep);
}

.hint {
  text-align: center;
  font-size: 12px;
  color: var(--purple-light);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ---------- Confetti ---------- */
.confetti {
  position: fixed;
  top: 28%;
  width: 10px;
  height: 16px;
  border-radius: 2px;
  z-index: 100;
  pointer-events: none;
  animation: confetti-fall 2.4s ease-out forwards;
}
@keyframes confetti-fall {
  0%   { transform: translate(0, -200px) rotate(0); opacity: 1; }
  100% { transform: translate(var(--dx, 0), 110vh) rotate(720deg); opacity: 0; }
}

/* ---------- Footer ---------- */
.footer {
  position: relative; z-index: 1;
  text-align: center;
  padding: 20px 16px 28px;
  color: var(--purple-light);
  font-size: 13px;
  letter-spacing: 1px;
}