/* ===== カラーシーケンス ===== */

.cseq-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 400px;
  gap: 12px;
  margin: 8px 0;
}

.cseq-message {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-align: center;
  min-height: 22px;
}

.cseq-tiles {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 18px 14px;
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  box-sizing: border-box;
  min-height: 88px;
  align-items: center;
}

.cseq-tile {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  border: 3px solid transparent;
  transition: background 0.15s, border 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.cseq-tile.cseq-blank {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.15);
}

.cseq-tile.cseq-current {
  border-color: #fff;
  box-shadow: 0 0 14px rgba(255,255,255,0.5);
  animation: cseqPulse 0.7s ease-in-out infinite alternate;
}

@keyframes cseqPulse {
  from { box-shadow: 0 0 8px rgba(255,255,255,0.3); }
  to   { box-shadow: 0 0 20px rgba(255,255,255,0.7); }
}

.cseq-tile.cseq-correct {
  animation: cseqCorrect 0.3s ease both;
}

@keyframes cseqCorrect {
  50%  { transform: scale(1.2); filter: brightness(1.4); }
  100% { transform: scale(1); }
}

.cseq-tile.cseq-wrong {
  animation: cseqWrong 0.4s ease both;
}

@keyframes cseqWrong {
  25%  { transform: rotate(-6deg); filter: brightness(0.5); }
  75%  { transform: rotate(6deg); }
  100% { transform: rotate(0); }
}

.cseq-colors {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cseq-color-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: transform 0.1s, filter 0.1s, border 0.15s;
  user-select: none;
  -webkit-user-select: none;
  flex-shrink: 0;
}

.cseq-color-btn:active {
  transform: scale(0.87);
  filter: brightness(0.8);
}

.cseq-color-btn:disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.cseq-pop {
  animation: cseqTilePop 0.25s cubic-bezier(0.175,0.885,0.32,1.275) both;
}

@keyframes cseqTilePop {
  0%   { transform: scale(0); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}