.card {
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.25));
  border-radius: 8px;
  background: var(--card-bg, rgba(30, 41, 59, 0.35));
  margin: 6px 0;
  font-size: 0.8rem;
  overflow: hidden;
}

.header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color, rgba(148, 163, 184, 0.15));
}

.headerIcon {
  color: #a78bfa;
  flex-shrink: 0;
}

.title {
  font-weight: 600;
}

.phaseBadge,
.rolloutBadge,
.shadowBadge,
.outcomeBadge,
.statusBadge {
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.statusBadge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(34, 197, 94, 0.16);
  color: #86efac;
  font-weight: 600;
}

.statusDot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: latsPulse 1.2s ease-in-out infinite;
}

@keyframes latsPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

.phaseBadge {
  background: rgba(139, 92, 246, 0.18);
  color: #c4b5fd;
}

.rolloutBadge {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted, #94a3b8);
  margin-left: auto;
}

.shadowBadge {
  background: rgba(59, 130, 246, 0.18);
  color: #93c5fd;
}

.outcomeBadge {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
}

.outcomeBadge[data-outcome='terminal_success'] {
  background: rgba(22, 101, 52, 0.35);
  color: #86efac;
}

.hud {
  display: flex;
  gap: 14px;
  padding: 5px 10px;
  font-size: 0.7rem;
  color: var(--text-muted, #94a3b8);
  border-bottom: 1px solid var(--border-color, rgba(148, 163, 184, 0.1));
}

.outline {
  padding: 6px 10px;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.72rem;
  max-height: 320px;
  overflow-y: auto;
}

.node {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 1px 0;
  white-space: nowrap;
}

.glyph {
  width: 12px;
  text-align: center;
  flex-shrink: 0;
  color: var(--text-muted, #94a3b8);
}

.nodeLabel {
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 40%;
}

.nodeValue {
  color: #cbd5e1;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.dangerFlag {
  color: #f59e0b;
  font-weight: 700;
  flex-shrink: 0;
}

.observation,
.reflection {
  color: var(--text-muted, #94a3b8);
  overflow: hidden;
  text-overflow: ellipsis;
  font-style: italic;
  opacity: 0.85;
}

.reflection {
  color: #fca5a5;
}

.pruned {
  opacity: 0.45;
  text-decoration: line-through;
}

.hot .nodeLabel {
  color: #86efac;
  font-weight: 600;
}

.terminal .glyph {
  color: #fbbf24;
}

/* Block layout (not flex) so the path is width-constrained to the card and
 * wraps, instead of being sized to its max-content and clipped by the card. */
.bestLine {
  display: block;
  padding: 6px 10px;
  border-top: 1px solid var(--border-color, rgba(148, 163, 184, 0.12));
  font-size: 0.72rem;
}

.bestLineLabel {
  display: block;
  margin-bottom: 3px;
  color: var(--text-muted, #94a3b8);
}

.bestLinePath {
  display: block;
  color: #86efac;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Clamp to exactly 3 full lines (line-height 1.5 x 3 = 4.5em) and hide the
 * rest; the toggle reveals it. No mid-word ellipsis, no text dropped. */
.bestLinePathClamped {
  max-height: 4.5em;
  overflow: hidden;
}

.bestLineSep {
  color: var(--text-muted, #94a3b8);
}

.bestLineToggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 3px;
  padding: 2px 6px 2px 4px;
  font-size: 0.68rem;
  color: #a78bfa;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.bestLineToggle:hover {
  background: rgba(124, 58, 237, 0.14);
}

.footer {
  padding: 6px 10px 8px;
  display: flex;
  justify-content: flex-end;
}

/* Animatable angle for the border-chasing glow (needs @property to tween). */
@property --lats-glow-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

.expandBtn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid rgba(192, 132, 252, 0.35);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.22), rgba(217, 70, 239, 0.22));
  color: #e9d5ff;
  cursor: pointer;
  will-change: transform;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.25s ease,
    transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* A bright arc rides a rotating conic gradient, masked to just the border
 * ring, so a glow appears to travel continuously around the edge. */
.expandBtn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from var(--lats-glow-angle),
    transparent 0deg,
    transparent 200deg,
    rgba(232, 121, 249, 0.65) 280deg,
    rgba(240, 220, 255, 1) 330deg,
    rgba(232, 121, 249, 0.65) 20deg,
    transparent 100deg
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  filter: drop-shadow(0 0 3px rgba(232, 121, 249, 0.55));
  animation: latsBorderGlow 2.6s linear infinite;
  pointer-events: none;
}

@keyframes latsBorderGlow {
  to {
    --lats-glow-angle: 360deg;
  }
}

.expandBtn svg {
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.expandBtn:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.4), rgba(217, 70, 239, 0.4));
  border-color: rgba(232, 121, 249, 0.7);
  color: #faf5ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.35);
}

.expandBtn:hover svg {
  transform: scale(1.18) rotate(-6deg);
}

/* Reward hover: the glow speeds up and brightens. */
.expandBtn:hover::before {
  animation-duration: 1.3s;
  filter: drop-shadow(0 0 5px rgba(232, 121, 249, 0.85));
}

.expandBtn:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 6px rgba(168, 85, 247, 0.3);
}

.expandBtn:focus-visible {
  outline: 2px solid #e879f9;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .expandBtn,
  .expandBtn svg {
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    transform: none;
  }

  .expandBtn:hover,
  .expandBtn:active {
    transform: none;
  }

  /* Freeze the travelling glow to a soft static ring. */
  .expandBtn::before {
    animation: none;
    background: rgba(232, 121, 249, 0.45);
  }
}