/* CodeItAll — syntax & line explain tooltips */

.lab-explain-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 0.55rem;
  border-radius: 50%;
  vertical-align: middle;
  cursor: help;
  background: radial-gradient(circle at 35% 30%, #fff6 0%, #c46565 35%, #8b1e1e 70%, #5a1010 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.18),
    0 0 8px rgba(139, 30, 30, 0.75),
    0 0 14px rgba(255, 180, 120, 0.35);
  animation: lab-explain-pulse 2.4s ease-in-out infinite;
  position: relative;
  top: -1px;
}
.lab-explain-dot:hover,
.lab-explain-dot.is-active {
  transform: scale(1.25);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.35),
    0 0 12px rgba(255, 200, 140, 0.85),
    0 0 20px rgba(139, 30, 30, 0.9);
}

@keyframes lab-explain-pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.35); }
}

.lab-explain-token-hit {
  background: rgba(139, 30, 30, 0.28) !important;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255, 200, 160, 0.25);
  cursor: help;
}

.lab-explain-tip {
  position: fixed;
  z-index: 12000;
  width: min(360px, calc(100vw - 1.5rem));
  max-height: min(58vh, 420px);
  overflow: auto;
  background: linear-gradient(160deg, #1a1414 0%, #0d0d0d 55%, #141010 100%);
  color: #f2f2f2;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(139, 30, 30, 0.25),
    0 0 24px rgba(139, 30, 30, 0.18);
  padding: 0.85rem 1rem 0.95rem;
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: 0.86rem;
  line-height: 1.45;
  text-align: left;
  animation: lab-explain-in 0.16s ease-out;
}

@keyframes lab-explain-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.lab-explain-tip-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 0.45rem;
}

.lab-explain-tip-title {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  font-size: 0.98rem;
  color: #fff;
  letter-spacing: -0.01em;
  padding-right: 0.25rem;
}

.lab-explain-close {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.lab-explain-close:hover {
  background: #8b1e1e;
}

.lab-explain-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  margin-bottom: 0.45rem;
  background: rgba(139, 30, 30, 0.35);
  color: #ffc9c9;
  border: 1px solid rgba(255, 180, 180, 0.25);
}

.lab-explain-tip-body {
  color: #cfcfcf;
}
.lab-explain-tip-body p {
  margin: 0 0 0.4rem;
}
.lab-explain-tip-body p:last-child {
  margin-bottom: 0;
}
.lab-explain-tip-body strong {
  color: #fff;
  font-weight: 700;
}
.lab-explain-tip-body .tip-kw {
  color: #ffb4a8;
  font-weight: 700;
}
.lab-explain-tip-body .tip-id {
  color: #9fd4ff;
  font-weight: 700;
}
.lab-explain-tip-body .tip-str {
  color: #c6ef9c;
  font-weight: 600;
}
.lab-explain-tip-body .tip-num {
  color: #ffd28a;
  font-weight: 700;
}
.lab-explain-tip-body .tip-op {
  color: #e0b0ff;
  font-weight: 700;
}
.lab-explain-tip-body code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.82em;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.08em 0.35em;
  border-radius: 4px;
  color: #fff;
}

.lab-explain-tip-foot {
  margin-top: 0.55rem;
  font-size: 0.72rem;
  color: #8a8a8a;
}

@media (max-width: 820px) {
  .lab-explain-tip {
    width: min(100vw - 1rem, 380px);
    max-height: 45vh;
  }
  .lab-explain-dot {
    width: 10px;
    height: 10px;
    margin-left: 0.7rem;
  }
}