/* Phase 4b — Connectome conversation threading visual layer.
   Additive — uses the dark-theme variables already defined in connectome.html.
   Topology view continues to ship its own inline CSS in the .html shell;
   this file only adds rules for the new Threads / Heatmap / Inspector UI. */

:root {
  --connectome-edge-cool: #4a9eff;
  --connectome-edge-hot: #ff4a4a;
  --connectome-halo-low: rgba(74, 158, 255, 0.2);
  --connectome-halo-high: rgba(255, 74, 74, 0.7);
}

/* Sidebar — fixed left, dark glass, mirrors existing #search-wrap / #focus-banner skin. */
.connectome-controls {
  position: fixed;
  top: 56px;
  left: 14px;
  z-index: 11;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  width: 220px;
  background: var(--bg-panel, rgba(20, 26, 38, 0.92));
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  border-radius: 8px;
  font-size: 12px;
  color: var(--fg, #e6edf6);
}
.connectome-controls fieldset {
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  margin: 0;
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.connectome-controls legend {
  padding: 0 4px;
  color: var(--muted, #8a96aa);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.view-toggle {
  flex-direction: row;
}
.view-toggle button {
  flex: 1;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  color: var(--muted, #8a96aa);
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.view-toggle button:hover {
  color: var(--fg, #e6edf6);
  border-color: var(--accent, #4cc2ff);
}
.view-toggle button.active {
  background: var(--accent, #4cc2ff);
  color: #0b0f17;
  border-color: var(--accent, #4cc2ff);
}

.time-window {
  flex-direction: column;
  align-items: stretch;
}
.time-window input[type='range'] {
  width: 100%;
  margin: 0;
}
.time-window output {
  color: var(--fg, #e6edf6);
  font-weight: 600;
  text-align: center;
}
.time-window .presets {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.time-window .presets button {
  flex: 1;
  font-size: 10px;
  padding: 4px 0;
  background: transparent;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  color: var(--muted, #8a96aa);
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}
.time-window .presets button:hover,
.time-window .presets button.active {
  color: var(--fg, #e6edf6);
  border-color: var(--accent, #4cc2ff);
}

#thread-search {
  width: 100%;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  border-radius: 4px;
  color: var(--fg, #e6edf6);
  font: inherit;
  box-sizing: border-box;
}
#thread-search::placeholder {
  color: var(--muted, #8a96aa);
}
#thread-search:focus {
  outline: none;
  border-color: var(--accent, #4cc2ff);
}

#export-thread {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  color: var(--fg, #e6edf6);
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
}
#export-thread:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
#export-thread:not(:disabled):hover {
  border-color: var(--accent, #4cc2ff);
  color: var(--accent, #4cc2ff);
}

/* Threads / Heatmap edge + halo styling (used by the SVG layers). */
.thread-edge--threads {
  stroke-width: var(--edge-width, 2);
  stroke: var(--edge-color, var(--connectome-edge-cool));
}
.heatmap-node-halo--pulse {
  animation: pulse 1.5s ease-in-out infinite;
  transform-origin: center;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1.0; }
}

/* Inspector — slide-in right panel. */
.thread-inspector {
  position: fixed;
  right: 0;
  top: 56px;
  width: 360px;
  height: calc(100vh - 56px);
  background: rgba(20, 26, 38, 0.96);
  border-left: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  z-index: 12;
  font-size: 12px;
  color: var(--fg, #e6edf6);
}
.thread-inspector.open {
  transform: translateX(0);
}
.thread-inspector header {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 14px;
  background: rgba(20, 26, 38, 0.96);
  border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  display: flex;
  align-items: center;
  gap: 10px;
}
.thread-inspector header h2 {
  margin: 0;
  font-size: 13px;
  color: var(--accent, #4cc2ff);
  flex: 1;
  word-break: break-word;
}
.thread-inspector .ti-close {
  background: transparent;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  color: var(--muted, #8a96aa);
  border-radius: 4px;
  padding: 2px 8px;
  cursor: pointer;
  font: inherit;
}
.thread-inspector .ti-close:hover {
  color: var(--fg, #e6edf6);
  border-color: var(--accent, #4cc2ff);
}
.thread-inspector .ti-section {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.08));
}
.thread-inspector .ti-section h3 {
  margin: 0 0 6px;
  font-size: 10px;
  color: var(--muted, #8a96aa);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.thread-inspector .ti-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 0;
  color: var(--muted, #8a96aa);
}
.thread-inspector .ti-row > span:last-child {
  color: var(--fg, #e6edf6);
}
.thread-inspector .ti-state {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 600;
}
.ti-state--open      { background: rgba(74, 208, 123, 0.2); color: #4ad07b; }
.ti-state--closed    { background: rgba(138, 150, 170, 0.2); color: #8a96aa; }
.ti-state--expired   { background: rgba(255, 169, 58, 0.2); color: #ffa93a; }
.ti-state--escalated { background: rgba(255, 94, 94, 0.2); color: #ff5e5e; }

.thread-inspector .ti-signal {
  padding: 6px 8px;
  margin-bottom: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  border-radius: 4px;
  cursor: pointer;
}
.thread-inspector .ti-signal:hover {
  border-color: var(--accent, #4cc2ff);
}
.thread-inspector .ti-signal-head {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 2px;
}
.thread-inspector .ti-signal-route {
  color: var(--accent, #4cc2ff);
}
.thread-inspector .ti-signal-meta {
  color: var(--muted, #8a96aa);
  font-size: 10px;
}
.thread-inspector canvas {
  width: 100% !important;
  height: 120px !important;
  display: block;
}

/* Top-bar alert banner. */
.alert-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--connectome-edge-hot);
  color: #fff;
  padding: 8px 16px;
  text-align: center;
  z-index: 100;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}
.alert-banner:hover {
  filter: brightness(1.1);
}
.alert-banner .ab-dismiss {
  margin-left: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: none;
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
}
.alert-banner .ab-dismiss:hover {
  background: rgba(0, 0, 0, 0.45);
}