/* TMS Lantern — Student reaction bar and celebration animations (300–900 ms). */

.lanternReactionBar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.lanternReactionBar::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.lanternReactionBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 0 0 auto;
  min-width: 48px;
  height: 44px;
  padding: 0 8px;
  box-sizing: border-box;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.2);
  color: inherit;
  font-size: 22px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.lanternReactionBtn:hover:not(:disabled) {
  border-color: rgba(90, 167, 255, 0.5);
  background: rgba(90, 167, 255, 0.12);
}

.lanternReactionBtn:disabled {
  cursor: default;
  opacity: 0.9;
}

.lanternReactionBtn.is-mine:disabled {
  opacity: 1;
}

.lanternReactionBtn.is-mine {
  border-color: rgba(56, 208, 124, 0.55);
  background: rgba(56, 208, 124, 0.14);
  box-shadow: 0 0 0 1px rgba(56, 208, 124, 0.35) inset, 0 0 12px rgba(56, 208, 124, 0.18);
}

/* After viewer has chosen: non-selected options are read-only and visually de-emphasized (Explore modal). */
.lanternReactionBtn.lanternReactionBtn--lockedOthers:disabled {
  opacity: 0.42;
}

/* Distribution is percentage-only — never raw counts (see lantern-reactions.js). */
.lanternReactionPct {
  font-size: 18px;
  font-weight: 800;
  color: var(--muted, #b9c6ea);
  min-width: 0;
  flex-shrink: 0;
  text-align: left;
}

.lanternReactionBtn.is-mine .lanternReactionPct {
  color: var(--good, #38d07c);
}

.lanternReactionEmpty {
  margin: 0 0 8px 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--muted, #b9c6ea);
}

/* Benign culture-positive line above the reaction row — never inside .lanternReactionBar. */
.lanternReactionStatus {
  margin: 0 0 10px 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--muted, #b9c6ea);
  line-height: 1.35;
}

.lanternReactionContributeHint {
  margin: 8px 0 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--muted, #b9c6ea);
}

.lanternReactionBtn--typesOnly {
  opacity: 0.88;
  cursor: default;
}

.lanternReactionPulse {
  animation: lanternReactionPulse 0.4s ease;
}

@keyframes lanternReactionPulse {
  0% { opacity: 1; }
  45% { opacity: 0.82; }
  100% { opacity: 1; }
}

.lanternReactionBurst {
  position: absolute;
  pointer-events: none;
  font-size: 28px;
  animation: lanternReactionBurst 0.6s ease-out forwards;
  z-index: 1;
}

.lanternReactionBtn {
  position: relative;
}

@keyframes lanternReactionBurst {
  0% {
    opacity: 1;
    transform: scale(0.8) translate(0, 0);
  }
  50% {
    opacity: 1;
    transform: scale(1.4) translate(0, -8px);
  }
  100% {
    opacity: 0;
    transform: scale(1.2) translate(0, -16px);
  }
}