/* Coin Flip — styles */
.page { max-width: 640px; margin: 32px auto; padding: 0 20px; }
.page h1 { font-size: 36px; color: #fff; margin-bottom: 8px; letter-spacing: -0.5px; text-align: center; }
.page .subtitle { color: #888; font-size: 15px; margin-bottom: 36px; line-height: 1.5; text-align: center; }

.coin-stage {
  display: flex; justify-content: center;
  perspective: 800px;
  margin-bottom: 18px;
  min-height: 160px;
}
.coin {
  width: 160px; height: 160px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(.33,.8,.4,1);
}
.coin.flipping { transition: transform 1.5s cubic-bezier(.25,.8,.3,1); }
.coin-face {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 72px; font-weight: 800;
  border-radius: 50%;
  backface-visibility: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 -4px 10px rgba(0,0,0,0.35);
  border: 4px solid;
}
.coin-heads {
  background: radial-gradient(circle at 35% 35%, #ffe06e, #d89a2b 75%);
  color: #5a3c00; border-color: #c28a20;
}
.coin-tails {
  background: radial-gradient(circle at 35% 35%, #c7c7c7, #7d7d7d 75%);
  color: #2a2a2a; border-color: #6c6c6c;
  transform: rotateY(180deg);
}

.result-label {
  text-align: center; font-size: 22px; font-weight: 700;
  color: #fff; margin-bottom: 24px; min-height: 28px;
  letter-spacing: 0.5px; text-transform: uppercase;
}

.actions {
  display: flex; justify-content: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.actions .btn { padding: 12px 24px; font-size: 14px; }

.stats-panel {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px; margin-bottom: 28px;
}
.stat {
  padding: 18px 12px;
  background: #141414; border: 1px solid #262626;
  border-radius: 10px; text-align: center;
}
.stat-num {
  font-size: 28px; font-weight: 700; color: #fff;
  font-variant-numeric: tabular-nums; margin-bottom: 4px;
}
.stat-label {
  font-size: 11px; color: #888; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.sequence-panel {
  padding: 18px 22px;
  background: #0f0f0f; border: 1px solid #1f1f1f;
  border-radius: 12px;
}
.sequence-panel h2 {
  font-size: 12px; color: #aaa; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.sequence {
  display: flex; flex-wrap: wrap; gap: 4px;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 13px; font-weight: 700;
}
.sequence .h {
  color: #ffd24a;
  display: inline-block; width: 20px; text-align: center;
}
.sequence .t {
  color: #aaa;
  display: inline-block; width: 20px; text-align: center;
}

@media (max-width: 600px) {
  .page h1 { font-size: 28px; }
  .coin { width: 130px; height: 130px; }
  .coin-face { font-size: 60px; }
  .stats-panel { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 24px; }
}