/* ------------------------------------------------------------------ */
/* Oscilloscope chart dock                                             */
/* ------------------------------------------------------------------ */
.chart-panel {
  position: absolute;
  left: calc(var(--roster-w) + var(--dock-inset) * 2);
  right: var(--dock-inset);
  bottom: var(--dock-inset);
  z-index: 32;
  display: flex;
  flex-direction: column-reverse;
  max-height: calc(100vh - var(--bar-h) - var(--dock-inset) * 2 - 12px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: max-height 0.42s var(--ease), left 0.42s var(--ease), right 0.42s var(--ease), box-shadow 0.42s var(--ease);
}

/* Collapsed: a complete floating bar — header only, fully above the bottom inset */
.chart-panel:not(.expanded) {
  max-height: var(--dock-h);
  box-shadow: var(--shadow-sm);
}

.chart-panel.expanded {
  box-shadow: var(--shadow);
}

.app-shell.roster-collapsed .chart-panel {
  left: calc(var(--roster-w) + var(--dock-inset) * 2);
}

.main-content.has-metadata-sidebar .chart-panel {
  right: calc(var(--inspector-w) + var(--dock-inset) * 2);
}

.chart-panel-header {
  position: relative;
  padding: 0 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: var(--dock-h);
  flex-shrink: 0;
  border-bottom: none;
  border-top: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.chart-panel.expanded .chart-panel-header {
  border-top-color: var(--glass-line);
}

.chart-panel-title {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.chart-panel-title > div:not(.chart-panel-nav) {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.chart-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: liveBlink 1.6s steps(1) infinite;
}

@keyframes liveBlink {
  50% { opacity: 0.25; }
}

.chart-panel-title h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-panel-title p {
  font-size: 0.78rem;
  color: var(--txt-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.chart-next-datastream-btn {
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.4);
  border-radius: 999px;
  color: #67e8f9;
  cursor: pointer;
  padding: 0.42rem 0.85rem;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.18s var(--ease);
  flex-shrink: 0;
}

.chart-next-datastream-btn:hover {
  background: rgba(34, 211, 238, 0.22);
  color: #fff;
}

/* Datastream quick-switch pills (between header and chart body) */
.chart-ds-pills {
  display: flex;
  gap: 0.4rem;
  padding: 0.7rem 1.1rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--glass-line);
  scrollbar-width: thin;
  flex-shrink: 0;
}

.chart-ds-pills[hidden] { display: none; }

.chart-ds-pills::-webkit-scrollbar { height: 6px; }
.chart-ds-pills::-webkit-scrollbar-thumb {
  background: rgba(140, 170, 210, 0.25);
  border-radius: 999px;
}

.chart-ds-pill {
  flex-shrink: 0;
  padding: 0.34rem 0.75rem;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: rgba(5, 9, 18, 0.4);
  color: var(--txt-dim);
  font-family: inherit;
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s var(--ease);
}

.chart-ds-pill:hover {
  border-color: rgba(34, 211, 238, 0.45);
  color: #fff;
}

.chart-ds-pill.active {
  border-color: rgba(34, 211, 238, 0.6);
  background: rgba(34, 211, 238, 0.16);
  color: #67e8f9;
}

.chart-panel-controls {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  flex-shrink: 0;
}

.chart-limit-group {
  display: flex;
  background: rgba(5, 9, 18, 0.5);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
}

.chart-panel-btn {
  padding: 0.38rem 0.65rem;
  background: transparent;
  border: none;
  border-radius: 9px;
  color: var(--txt-mute);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 600;
  font-family: "JetBrains Mono", monospace;
  transition: all 0.15s var(--ease);
}

.chart-panel-btn:hover { color: var(--txt); }

.chart-panel-btn.active {
  background: rgba(34, 211, 238, 0.16);
  color: #67e8f9;
}

.chart-panel-toggle {
  background: rgba(5, 9, 18, 0.5);
  border: 1px solid var(--glass-line);
  color: var(--txt-dim);
  cursor: pointer;
  padding: 0.42rem;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  transition: all 0.18s var(--ease);
}

.chart-panel-toggle:hover {
  color: #fff;
  border-color: rgba(34, 211, 238, 0.45);
}

.chart-panel-toggle svg { transition: transform 0.3s var(--ease); }

.chart-panel:not(.expanded) .chart-panel-toggle svg { transform: rotate(180deg); }
.chart-panel.expanded .chart-panel-toggle svg { transform: rotate(0deg); }

.chart-panel-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.2rem;
  position: relative;
}

.chart-trace {
  transition: opacity 0.25s var(--ease);
}

.chart-trace.is-dimmed {
  opacity: 0.35;
  pointer-events: none;
}

.chart-overlay {
  position: absolute;
  inset: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 9, 18, 0.72);
  border-radius: var(--radius);
  z-index: 2;
}

.chart-overlay[hidden] {
  display: none !important;
}

/* Stat readouts — compact pills aligned with command-bar legend chips */
.chart-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.stat-card {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: rgba(5, 9, 18, 0.4);
}

.stat-card::before {
  display: none;
}

.stat-card-gap {
  border-color: rgba(252, 165, 165, 0.45);
  background: rgba(254, 226, 226, 0.08);
}

.stat-card-gap .stat-value {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.stat-card-gap .gap-indicator {
  width: 7px;
  height: 7px;
  margin-right: 0;
}

.stat-label {
  font-size: 0.66rem;
  color: var(--txt-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 0;
}

.stat-value {
  font-size: 0.86rem;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1;
}

.stat-unit {
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--txt-dim);
  margin-left: 0.15rem;
  font-family: "Space Grotesk", sans-serif;
}

.stat-timestamp {
  margin-top: 0;
  display: inline-block;
  max-width: 100%;
  padding: 0.12rem 0.42rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.6rem;
  font-weight: 600;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-container {
  position: relative;
  height: 340px;
  background:
    linear-gradient(rgba(150, 190, 230, 0.05) 1px, transparent 1px) 0 0 / 100% 34px,
    rgba(5, 9, 18, 0.4);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 0.6rem;
}

.chart-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-height: 100%;
}

/* Mobile: stats-first dock; canvas shown via Trace toggle */
@media (max-width: 640px) {
  .chart-panel {
    left: var(--dock-inset) !important;
    right: var(--dock-inset) !important;
    bottom: var(--dock-inset);
    border-radius: var(--radius-lg);
    z-index: 45;
    max-height: 70vh;
    box-shadow: var(--shadow-sm);
  }

  .chart-panel:not(.expanded) {
    max-height: var(--dock-h);
  }

  .chart-panel.expanded {
    box-shadow: var(--shadow);
  }

  .chart-panel .chart-container { display: none; }
  .chart-panel.mobile-trace-expanded .chart-container { display: block; }

  .chart-stats {
    gap: 0.35rem;
  }

  .chart-trace-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.65rem;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.35);
    border-radius: 999px;
    color: var(--accent);
    font-size: 0.74rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.18s var(--ease);
    flex-shrink: 0;
  }

  .chart-trace-toggle-btn:hover {
    background: rgba(34, 211, 238, 0.2);
    color: #fff;
  }

  .chart-trace-toggle-btn.trace-active {
    background: rgba(34, 211, 238, 0.18);
    border-color: var(--accent);
    color: #fff;
  }

  .chart-panel-content { padding: 0.8rem; }
  .chart-container { height: 220px; }
}