/* #region VARIABLES */

@font-face {
  font-display: swap;
}

:root {
  --bg-deep: #101114;
  --bg-surface: #16181c;
  --bg-elevated: #1e2025;
  --bg-hover: #282a30;
  --border: #363840;
  --text-primary: #f0f1f3;
  --text-secondary: #c2c4c9;
  --text-tertiary: #9a9da5;
  --text-muted: #7d808a;
  --accent: #e86f33;
  --accent-text: #f0a070;
  --accent-dim: rgba(232, 111, 51, 0.22);
  --accent-glow: rgba(232, 111, 51, 0.55);
  --success: #3ecf8e;
  --success-dim: rgba(62, 207, 142, 0.18);
  --warning: #f0b429;
  --warning-dim: rgba(240, 180, 41, 0.18);
  --plan: #86a886;
  --plan-dim: rgba(134, 168, 134, 0.18);
  --mono: 'IBM Plex Mono', monospace;
  --serif: 'Playfair Display', serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--mono);
  font-size: 14px;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* #endregion */

/* #region RESET */
body::before {
  display: none;
}

/* #endregion */

/* #region SCROLLBAR */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* #endregion */

/* #region LAYOUT */
.app {
  display: flex;
  height: 100vh;
}

/* #endregion */

/* #region SIDEBAR */
.sidebar {
  width: var(--sidebar-width, 300px);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  box-shadow: 1px 0 12px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.resizing {
  transition: none;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: none;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
  position: relative;
}

.sidebar-toggle-btn {
  position: absolute;
  top: 20px;
  right: 8px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
}

.sidebar-toggle-btn:hover {
  color: var(--text-secondary);
  background: var(--bg-hover);
  border-color: var(--border);
}

.sidebar-toggle-btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.sidebar.collapsed .sidebar-toggle-btn svg {
  transform: rotate(180deg);
}

.sidebar-resize-handle {
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  cursor: col-resize;
  z-index: 10;
  transition: background 0.15s;
}

.sidebar-resize-handle:hover,
.sidebar-resize-handle.dragging {
  background: var(--accent-dim);
}

.sidebar.collapsed .sidebar-resize-handle {
  display: none;
}

.panel-resize-handle {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  cursor: col-resize;
  z-index: 10;
  transition: background 0.15s;
}
.panel-resize-handle:hover,
.panel-resize-handle.dragging {
  background: var(--accent-dim);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-mark svg {
  width: 14px;
  height: 14px;
  color: white;
}

.logo-text {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.connection {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 10px;
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.connection-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warning);
}

.connection-dot.live {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.connection-dot.error {
  background: #ef4444;
}

.offline-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-deep);
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}
.offline-overlay.visible {
  display: flex;
}
.offline-card {
  max-width: 460px;
  padding: 3rem 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.offline-card svg {
  width: 56px;
  height: 56px;
  opacity: 0.4;
  margin-bottom: 1.5rem;
}
.offline-card h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.offline-card p {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.offline-card code {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent-text);
  margin-bottom: 1.25rem;
  user-select: all;
}
.offline-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* #endregion */

/* #region SIDEBAR_SECTIONS */
.sidebar-section {
  display: flex;
  flex-direction: column;
  border-bottom: none;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.sidebar-section.flex-1 {
  flex: 1;
  border-bottom: none;
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 10px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.filter-row {
  display: flex;
  gap: 6px;
  padding: 0 16px 10px;
}

.reset-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
}

.filter-dropdown {
  flex: 1;
  appearance: none;
  background: var(--bg-deep);
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 7px 26px 7px 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238b8d95' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  text-overflow: ellipsis;
  min-width: 0;
  transition: all 0.15s ease;
}

.filter-dropdown:hover {
  border-color: var(--border);
}

.filter-dropdown option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.filter-dropdown:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* #endregion */

/* #region SIDEBAR_SECTIONS */
.collapse-chevron {
  width: 14px;
  height: 14px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 2;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.collapse-chevron.rotated {
  transform: rotate(-90deg);
}

.collapsible-section {
  transition:
    max-height 0.2s ease,
    padding 0.2s ease,
    opacity 0.2s ease;
  overflow: hidden;
}

.collapsible-section.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
}

/* #endregion */

/* #region SESSIONS */
.sessions-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 14px 12px;
}

.session-item {
  display: block;
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.08);
}

.session-item:hover {
  background: var(--bg-hover);
}

.session-item.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
}

.session-name {
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-indicators .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--accent-glow);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.9);
  }
}

.session-secondary {
  font-size: 12px;
  font-weight: 450;
  color: var(--text-tertiary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
}

.session-branch {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 2px;
  display: block;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-plan {
  font-size: 10px;
  color: var(--plan);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-item.plan-reveal {
  outline: 1.5px solid var(--plan);
  background: var(--plan-dim);
}

.session-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.progress-bar {
  flex: 1;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.5s ease-out;
}

.progress-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.context-bar {
  display: none;
  margin-top: 6px;
}
.has-context .context-bar {
  display: block;
}
.context-bar-track {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: visible;
  position: relative;
}
.context-bar-fill {
  height: 100%;
  border-radius: 1.5px;
  transition:
    width 0.4s ease,
    background 0.3s;
}
.context-bar-marker {
  position: absolute;
  top: -1px;
  bottom: -1px;
  width: 2px;
  opacity: 0.7;
  z-index: 2;
  border-radius: 1px;
}
.context-bar-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.detail-context {
  margin-bottom: 16px;
}
.detail-context-bar {
  margin: 8px 0 4px;
}
.detail-context-bar .context-bar-track {
  height: 6px;
  border-radius: 3px;
}
.detail-context-bar .context-bar-fill {
  border-radius: 3px;
}
.detail-context-bar .context-bar-marker {
  top: -2px;
  bottom: -2px;
}
.detail-context-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.detail-context-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
}
.detail-context-stats .stat-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.detail-context-stats .stat-label {
  color: var(--text-tertiary);
}
.detail-context-stats .stat-value {
  color: var(--text-secondary);
}
.detail-context-stats .stat-divider {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  margin: 2px 0;
}
.detail-context-summary {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.session-time {
  font-size: 11px;
  font-weight: 450;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.session-latest-msg {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-latest-msg .lm-label {
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: 10px;
}
.session-latest-msg .lm-label-assistant {
  color: var(--accent-text);
}

/* #endregion */

/* #region FOOTER */
.sidebar-footer {
  flex-shrink: 0;
  padding: 14px 20px;
  border-top: none;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: top;
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-footer a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.15s;
}

.sidebar-footer .footer-limits strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.sidebar-footer a:hover {
  color: var(--text-secondary);
}

.sidebar.collapsed {
  width: 48px;
}
.sidebar.collapsed .logo-text,
.sidebar.collapsed .connection,
.sidebar.collapsed .sidebar-section,
.sidebar.collapsed .sidebar-footer {
  display: none;
}
.sidebar.collapsed .sidebar-header {
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.sidebar.collapsed .sidebar-toggle-btn {
  position: static;
}

/* #endregion */

/* #region MAIN */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-deep);
}

/* #endregion */

/* #region EMPTY_STATE */
.empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 13px;
}

/* #endregion */

/* #region SESSION_VIEW */
.session-view {
  flex: 1;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.session-view.visible {
  display: flex;
}

/* #endregion */

/* #region HEADER */
.view-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.view-header > div:first-child {
  min-width: 0;
  flex: 1 1 auto;
}

.view-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.view-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.view-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .view-progress { display: none; }
  .view-actions { gap: 8px; }
}

.view-progress {
  display: flex;
  align-items: center;
  gap: 10px;
}

.view-progress .progress-bar {
  width: 120px;
  height: 3px;
}

.view-progress .progress-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

.icon-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

.icon-btn-danger {
  color: #ef4444;
}

.icon-btn-danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border-color: #ef4444;
}

/* #endregion */

/* #region KANBAN */
.kanban {
  flex: 1;
  display: flex;
  gap: 24px;
  padding: 24px;
  overflow-x: auto;
}

.kanban-column {
  flex: 1;
  min-width: 280px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
}

.column-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: none;
  margin-bottom: 16px;
  background-image: linear-gradient(to bottom, transparent 80%, var(--border) 100%);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.column-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.column-dot.pending {
  background: var(--text-tertiary);
}
.column-dot.in-progress {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}
.column-dot.completed {
  background: var(--success);
}

.column-title {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.column-title.pending {
  color: var(--text-tertiary);
}
.column-title.in-progress {
  color: var(--accent);
}
.column-title.completed {
  color: var(--success);
}

.column-count {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
}

.column-count.pending {
  background: var(--bg-elevated);
  color: var(--text-tertiary);
}

.column-count.in-progress {
  background: var(--accent-dim);
  color: var(--accent);
}

.column-count.completed {
  background: var(--success-dim);
  color: var(--success);
}

.column-tasks {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 8px;
}

.column-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  margin-top: 4px;
}

.column-empty svg {
  width: 24px;
  height: 24px;
  opacity: 0.5;
  margin-bottom: 8px;
}

/* #endregion */

/* #region TASK_CARD */
.task-card {
  padding: 16px;
  padding-left: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.task-actions {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s;
}
.task-card:hover .task-actions,
.task-card:focus-within .task-actions {
  opacity: 1;
}
.task-action-btn {
  width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.task-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.task-action-delete:hover {
  background: var(--bg-hover);
  color: #c44;
}

.task-card:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
  border-left-color: var(--text-muted);
}

.task-card:focus-visible {
  outline: none;
}

.task-card.in-progress {
  border-left: 2px solid var(--accent);
}

.task-card.completed {
  opacity: 0.85;
  border-left: 2px solid var(--success);
}

.task-card.completed:hover {
  border-left-color: var(--success);
}

.task-card.blocked {
  opacity: 0.7;
}
.task-card.dragging {
  opacity: 0.4;
}
.column-tasks.drag-over {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 8px;
  outline: 2px dashed color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: -2px;
}

.task-card.selected,
.task-card.selected:hover {
  background: var(--bg-elevated);
  border-color: var(--accent);
  border-left: 2px solid var(--accent);
  box-shadow:
    0 0 0 1px var(--accent-dim),
    0 0 12px var(--accent-dim);
  opacity: 1;
}

.task-id {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}


.task-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.task-badge.blocked {
  background: rgba(220, 80, 30, 0.15);
  color: #dc4e1e;
}

.task-title {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.4;
}

.task-card.completed .task-title {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.task-session {
  font-size: 12px;
  color: var(--accent);
  margin-top: 6px;
}

.task-active {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
}

.task-active::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.task-blocked {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 8px;
}

.task-desc {
  font-size: 12px;
  font-weight: 450;
  color: var(--text-tertiary);
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* #endregion */

/* #region DETAIL_PANEL */
.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--detail-panel-width, 540px);
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.15);
  display: none;
  flex-direction: column;
  z-index: 100;
  overflow: hidden;
}

.detail-panel.visible {
  display: flex;
}
.detail-panel.resizing,
.message-panel.resizing {
  transition: none;
}

.detail-header {
  padding: 16px 20px;
  border-bottom: none;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.detail-header h3 {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 500;
}

.detail-close {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.detail-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.detail-close svg {
  width: 20px;
  height: 20px;
}

.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.detail-section {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: none;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.detail-section:last-child {
  background-image: none;
}

.detail-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.detail-title {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  cursor: pointer;
  padding: 2px 4px;
  margin: -2px -4px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.detail-title:hover {
  border-color: var(--border);
}

.detail-title-input {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  width: 100%;
  padding: 2px 4px;
  margin: -2px -4px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.detail-title-input:focus {
  outline: none;
}

.detail-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.detail-status.pending {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.detail-status.in_progress {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.detail-status.completed {
  background: var(--success-dim);
  color: var(--success);
  border: 1px solid var(--success);
}

.detail-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.detail-status.in_progress .dot {
  animation: pulse 2s ease-in-out infinite;
}

.detail-box {
  padding: 12px;
  border-radius: 6px;
  font-size: 12px;
}

.detail-box.active {
  background: rgba(232, 111, 51, 0.08);
  border: 1px solid rgba(232, 111, 51, 0.2);
  color: var(--text-primary);
}

.detail-box.active strong {
  color: var(--accent);
}

.detail-box.blocked {
  background: var(--warning-dim);
  border: 1px solid rgba(240, 180, 41, 0.35);
  color: var(--warning);
}

.detail-box.blocks {
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

.detail-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 6px;
  margin: -4px -6px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: border-color 0.15s ease;
  overflow-x: auto;
}

.detail-desc:hover {
  border-color: var(--border);
}

.detail-desc-textarea {
  width: 100%;
  min-height: 120px;
  padding: 8px 10px;
  margin: -4px -6px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.detail-desc-textarea:focus {
  outline: none;
}

.edit-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 8px;
}

.edit-actions button {
  padding: 6px 14px;
  border: none;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.edit-save {
  background: var(--accent);
  color: white;
}

.edit-save:hover {
  filter: brightness(1.1);
}

.edit-actions .edit-cancel {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.edit-cancel:hover {
  color: var(--text-primary);
}

.detail-deps {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.detail-desc pre {
  border-radius: 6px;
  overflow: hidden;
  margin: 12px 0;
  font-size: 12px;
}

.detail-desc pre code.hljs {
  padding: 12px;
  border-radius: 6px;
}

.detail-desc pre code {
  background: var(--bg-elevated);
  padding: 12px;
  border-radius: 6px;
  display: block;
  overflow-x: auto;
}

.detail-desc code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

.detail-desc hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.detail-desc h4 {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin: 0 0 8px 0;
}

.detail-desc p {
  margin: 0 0 12px 0;
}

.detail-desc p:last-child {
  margin-bottom: 0;
}

.detail-desc ol,
.detail-desc ul {
  padding-left: 1.5em;
  margin: 0 0 12px 0;
}

.detail-desc ol:last-child,
.detail-desc ul:last-child {
  margin-bottom: 0;
}

/* #endregion */

/* #region NOTE_FORM */
.note-section {
  margin-top: 8px;
}

.note-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
  min-height: 60px;
}

.note-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.note-input::placeholder {
  color: var(--text-muted);
}

.note-submit {
  align-self: flex-end;
  padding: 8px 16px;
  background: var(--accent);
  border: none;
  border-radius: 5px;
  color: white;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.note-submit:hover {
  filter: brightness(1.1);
}

/* #endregion */

/* #region SESSION_INDICATORS */
.session-indicators {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.shared-tasklist-badge {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  flex-shrink: 0;
}

.session-info-btn {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  background: var(--bg-deep);
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.session-info-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.plan-indicator {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--plan-dim);
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--plan);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.plan-indicator:hover {
  background: var(--plan-dim);
  border-color: var(--plan);
}

/* #endregion */

/* #region OWNER_BADGE */
.task-owner-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: none;
  letter-spacing: 0;
}

/* #endregion */

/* #region SESSION_INFO_MODAL */
#session-info-modal .modal {
  max-width: 860px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
#session-info-modal .modal-body,
#agent-modal .modal-body {
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
  padding-right: 8px;
}
#session-info-modal .modal-footer {
  flex-shrink: 0;
}

.agent-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.agent-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--border-color, rgba(127, 127, 127, 0.25));
  background: var(--bg-secondary, rgba(127, 127, 127, 0.08));
  color: var(--text-secondary);
  white-space: nowrap;
  line-height: 1.4;
}
.agent-chip-label {
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  opacity: 0.75;
}
.agent-chip-val {
  color: inherit;
}
.agent-chip-mono .agent-chip-val {
  font-family: var(--font-mono, monospace);
  font-size: 10.5px;
  letter-spacing: 0.2px;
}
.agent-chip-status {
  text-transform: capitalize;
}
.agent-chip-running {
  background: rgba(34, 197, 94, 0.15);
  color: rgb(34, 160, 80);
  border-color: rgba(34, 197, 94, 0.3);
}
.agent-chip-cancelled {
  background: rgba(234, 88, 12, 0.15);
  color: rgb(234, 88, 12);
  border-color: rgba(234, 88, 12, 0.3);
}
.agent-chip-stopped {
  background: rgba(127, 127, 127, 0.15);
  color: var(--text-tertiary);
  border-color: rgba(127, 127, 127, 0.3);
}
.agent-chip-error,
.agent-chip-failed {
  background: rgba(239, 68, 68, 0.15);
  color: rgb(220, 60, 60);
  border-color: rgba(239, 68, 68, 0.3);
}
.session-info-modal-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* #endregion */

/* #region MESSAGE_PANEL */
.message-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--message-panel-width, 540px);
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.15);
  display: none;
  flex-direction: column;
  z-index: 99;
  overflow: hidden;
}
.message-panel.visible {
  display: flex;
}
.message-panel.msg-expanded-wide {
  width: 60vw;
}
.message-panel-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-image: linear-gradient(to right, transparent, var(--border), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
}
.message-panel-header h3 {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 500;
}
.message-panel-content {
  flex: 1 1 0;
  height: 0;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 16px;
}
.message-panel-content > * + * {
  margin-top: 8px;
}
.msg-item {
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.5;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.msg-item.msg-user {
  border-left: 3px solid var(--text-muted);
}
.msg-item.msg-assistant {
  border-left: 3px solid var(--accent);
}
.msg-item.msg-tool {
  border-left: 3px solid var(--text-muted);
  font-size: 11px;
  padding: 5px 10px;
  color: var(--text-secondary);
}
.msg-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  opacity: 0.9;
}
.msg-item.todo-completed .msg-icon,
.msg-item.todo-completed .msg-text > span { color: var(--success, #2da44e); opacity: 1; }
.msg-item.todo-in-progress .msg-icon,
.msg-item.todo-in-progress .msg-text > span { color: var(--info); opacity: 1; }
.msg-body {
  flex: 1;
  min-width: 0;
}
.msg-text {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.msg-assistant .msg-text {
  color: var(--text-primary);
}
.msg-tool .msg-text {
  color: var(--text-secondary);
}
.tool-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--hover);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 8px;
  margin-left: 5px;
  font-family: var(--font-mono, monospace);
}
.msg-tool-group-items {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding-left: 22px;
  margin-top: 2px;
}
.msg-tool-group-items.show {
  display: flex;
}
.msg-tool-grouped {
  padding: 3px 8px;
  min-height: auto;
  font-size: 10px;
  opacity: 0.8;
}
.msg-tool-grouped .msg-time {
  font-size: 9px;
}
.msg-agent-link {
  color: var(--accent);
  font-size: 0.85rem;
  margin-right: 4px;
  opacity: 0.7;
}
.msg-agent-link:hover {
  opacity: 1;
}
.msg-pin-btn {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  opacity: 0;
  transition: opacity 0.15s;
  margin-left: auto;
  align-self: flex-start;
}
.msg-item:hover .msg-pin-btn,
.agent-card:hover .msg-pin-btn {
  opacity: 0.6;
}
.msg-pin-btn:hover {
  /* biome-ignore lint/complexity/noImportantStyles: override parent hover opacity */
  opacity: 1 !important;
  color: var(--accent);
}
.msg-pin-btn.pinned {
  opacity: 1;
  color: var(--accent);
}
#message-panel-pinned:empty {
  display: none;
}
#message-panel-pinned {
  flex-shrink: 0;
  padding: 8px 16px;
}
.pinned-section {
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-surface));
}
.pinned-header {
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.pinned-header svg {
  transition: transform 0.15s;
}
.pinned-header.collapsed svg {
  transform: rotate(-90deg);
}
.pinned-header.empty {
  cursor: default;
  color: var(--text-muted);
}
.pinned-items {
  padding: 0 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pinned-items.collapsed {
  display: none;
}
.pinned-items .msg-item {
  margin: 0;
}
.pinned-item-unpin {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 2px;
  opacity: 0.6;
  margin-left: auto;
  align-self: flex-start;
}
.pinned-item-unpin:hover {
  opacity: 1;
  color: var(--danger, #e55);
}
.msg-pin-btn.pinned svg,
#msg-detail-pin-btn.active svg,
#agent-modal-pin-btn.active svg {
  fill: var(--accent);
  stroke: var(--accent);
}
#msg-detail-pin-btn.active,
#agent-modal-pin-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}
.session-pin-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 1;
  line-height: 0;
}
.session-item:hover .session-pin-btn:not(.pinned) {
  opacity: 0.5;
}
.session-pin-btn:hover {
  /* biome-ignore lint/complexity/noImportantStyles: override parent hover opacity */
  opacity: 1 !important;
  color: var(--accent);
}
.session-pin-btn.pinned {
  opacity: 1;
  color: var(--accent);
}
.session-pin-btn.pinned svg {
  fill: var(--accent);
  stroke: var(--accent);
}
.session-pin-btn.sticky {
  opacity: 1;
  color: var(--warning);
}
.session-pin-btn.sticky svg {
  fill: var(--warning);
  stroke: var(--warning);
}
#session-info-sticky-btn.active {
  color: var(--warning);
}
.pinned-sessions-divider {
  height: 1px;
  margin: 4px 8px;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}
.agent-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-top: 16px;
  align-items: center;
}
.agent-tab {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition:
    color 0.15s,
    border-color 0.15s;
  user-select: none;
}
.agent-tab:hover {
  color: var(--text-secondary);
  border-bottom-color: var(--text-muted);
}
.agent-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.agent-tab-panel {
  display: none;
  padding-top: 12px;
  overflow: hidden;
  position: relative;
}
.agent-tab-panel.active {
  display: block;
}
.agent-tab-copy {
  margin-left: auto;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 6px;
  cursor: pointer;
  color: var(--text-tertiary);
  opacity: 0.7;
  transition:
    opacity 0.15s,
    color 0.15s;
  margin-bottom: -1px;
}
.agent-tab-copy:hover {
  opacity: 1;
  color: var(--text-primary);
}
.toast {
  position: fixed;
  bottom: 16px;
  left: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 11px;
  color: var(--text-secondary);
  z-index: 10000;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  pointer-events: none;
}
.toast.visible {
  opacity: 1;
  transform: translateY(0);
}
.toast.toast-success {
  border-color: var(--success);
  color: var(--success);
}
.toast.toast-error {
  border-color: #f85149;
  color: #f85149;
}
.toast.toast-info {
  border-color: var(--accent);
  color: var(--accent);
}
.rendered-md h1,
.rendered-md h2,
.rendered-md h3,
.rendered-md h4,
.rendered-md h5,
.rendered-md h6 {
  margin-top: 1em;
  margin-bottom: 0.4em;
}
.rendered-md h1:first-child,
.rendered-md h2:first-child,
.rendered-md h3:first-child {
  margin-top: 0;
}
.rendered-md p {
  margin: 0.5em 0;
}
.rendered-md ul,
.rendered-md ol {
  margin: 0.4em 0;
  padding-left: 2em;
}
.rendered-md li {
  margin: 0.2em 0;
}
.rendered-md pre {
  margin: 0.6em 0;
}
.rendered-md blockquote {
  margin: 0.6em 0;
}
.rendered-md table {
  margin: 0.6em 0;
  border-collapse: collapse;
  width: 100%;
  display: block;
  overflow-x: auto;
}
.rendered-md th,
.rendered-md td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}
.rendered-md th {
  background: var(--bg-hover);
  font-weight: 600;
}
.rendered-md tr:hover td {
  background: var(--bg-hover);
}
.rendered-md hr {
  margin: 0.8em 0;
  border-color: var(--border);
}
.msg-detail-pre {
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.msg-detail-pre-tinted {
  background: rgba(127, 127, 127, 0.15);
  border-radius: 4px;
  padding: 8px 10px;
}
.expand-toggle-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  margin-left: 6px;
}
.msg-cmd .msg-text code {
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}
.msg-item.msg-system {
  border-left: 3px solid var(--border);
}
.msg-system .msg-text code {
  background: none;
  padding: 0;
  font-size: 11px;
}
.msg-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}
.msg-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 12px;
}

.agent-log-back {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 16px;
  padding: 0 8px 0 0;
  line-height: 1;
}
.agent-log-back:hover {
  color: var(--text-primary);
}
.agent-log-title {
  display: flex;
  align-items: center;
  gap: 6px;
}
.agent-log-id {
  font-size: 11px;
  color: var(--text-tertiary);
}
.msg-agent-log-btn {
  flex-shrink: 0;
  margin-left: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  opacity: 0;
  transition: opacity 0.15s;
  align-self: flex-start;
}
.msg-item:hover .msg-agent-log-btn {
  opacity: 1;
}
.msg-agent-log-btn:hover,
.msg-item:hover .msg-agent-log-btn:hover {
  opacity: 1;
  color: var(--accent);
}
.protocol-detail {
  padding: 8px 12px;
}
.protocol-detail + div {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.protocol-type-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
  margin-bottom: 8px;
}
.protocol-fields {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  align-items: baseline;
  font-size: 0.85rem;
}
.protocol-field {
  display: contents;
}
.protocol-field-key {
  color: var(--text-muted);
  white-space: nowrap;
  text-align: right;
}
.protocol-field-key::after {
  content: ':';
}
.protocol-bool {
  font-weight: 600;
}
.protocol-bool-true {
  color: #4caf50;
}
.protocol-bool-false {
  color: #ef5350;
}
.msg-jump-latest {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 16px;
  padding: 6px 16px;
  font-size: 12px;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: opacity 0.2s;
}
.msg-jump-latest:hover {
  opacity: 0.9;
}
.msg-loading-more {
  text-align: center;
  padding: 8px;
  color: var(--text-dim);
  font-size: 12px;
}
.msg-limit-banner {
  text-align: center;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

/* #endregion */

/* #region AGENT_FOOTER */
.agent-footer {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}
.agent-footer.visible {
  display: flex;
}
.agent-footer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 24px;
  cursor: pointer;
  user-select: none;
  color: var(--text-tertiary);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.agent-footer-header:hover {
  background: var(--bg-hover);
}
.agent-footer-toggle {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
}
.agent-footer-content {
  display: flex;
  gap: 10px;
  padding: 0 24px 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.agent-footer.collapsed .agent-footer-content {
  display: none;
}
.agent-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
  transition: opacity 0.3s;
  cursor: pointer;
  position: relative;
}
.agent-card:hover {
  border-color: var(--accent);
}
.agent-card.fading {
  opacity: 0.4;
}
.agent-type-row {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.agent-type-ns {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}
.agent-type-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-owner-badge--compact {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.agent-status-row {
  display: flex;
  align-items: center;
  gap: 5px;
}
.agent-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.agent-dot.active {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}
.agent-dot.idle {
  background: var(--warning);
  box-shadow: 0 0 6px var(--warning);
}
.agent-dot.stopped {
  background: var(--text-muted);
}
.agent-dot.cancelled {
  background: var(--text-muted);
}
.agent-type {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.agent-status {
  font-size: 11px;
  color: var(--text-tertiary);
}
.agent-message {
  font-size: 11px;
  color: var(--text-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-dismiss-btn {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.agent-badge {
  font-size: 12px;
  cursor: default;
}

.linked-docs-badge,
.bookmarks-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}

.linked-docs-badge:hover,
.bookmarks-badge:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.linked-doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.linked-doc-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.linked-doc-link {
  color: var(--accent-text);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  flex-shrink: 0;
}

.linked-doc-path {
  color: var(--text-muted);
  font-size: 11px;
  opacity: 0.7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* #endregion */

/* #region PERMISSION_PENDING */
.permission-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--warning-dim);
  border: 1px solid var(--warning);
  border-radius: 8px;
  font-size: 12px;
  color: var(--warning);
  white-space: nowrap;
  animation: permission-pulse 1.5s ease-in-out infinite;
}
@keyframes permission-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* #endregion */

/* #region LIGHT_THEME */
body.light {
  --bg-deep: #e8e6e3;
  --bg-surface: #f4f3f1;
  --bg-elevated: #dddbd8;
  --bg-hover: #d2d0cc;
  --border: #a09b94;
  --text-primary: #0a0a0a;
  --text-secondary: #444444;
  --text-tertiary: #666666;
  --text-muted: #888888;
  --accent-text: #b85a20;
  --accent-dim: rgba(232, 111, 51, 0.18);
  --accent-glow: rgba(232, 111, 51, 0.5);
  --success: #1a8a5a;
  --success-dim: rgba(26, 138, 90, 0.15);
  --warning: #b07d0a;
  --warning-dim: rgba(176, 125, 10, 0.15);
  --plan: #5a7a5a;
  --plan-dim: rgba(90, 122, 90, 0.15);
}

body.light::before {
  display: none;
}
body.light .session-latest-msg .lm-label-assistant {
  color: var(--text-primary);
}
body.light .msg-assistant .msg-text {
  color: var(--text-secondary);
}

/* #endregion */

/* #region INTERACTIVE */
.icon-btn.delete:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
}

.column-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.column-header .icon-btn {
  width: 28px;
  height: 28px;
}

.column-header .icon-btn svg {
  width: 14px;
  height: 14px;
}

/* #endregion */

/* #region SEARCH */
.search-container {
  position: relative;
  padding: 0 16px 8px;
}

.search-input {
  width: 100%;
  padding: 9px 32px 9px 12px;
  background: var(--bg-deep);
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 13px;
  transition: all 0.15s ease;
}

.search-input:hover {
  border-color: var(--border);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-clear {
  position: absolute;
  right: 18px;
  top: 8px;
  width: 20px;
  height: 20px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 3px;
}

.search-clear:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.search-clear.visible {
  display: flex;
}

/* #endregion */

/* #region MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal-overlay.visible {
  display: flex;
}

.plan-modal-overlay {
  z-index: 10001;
  background: rgba(0, 0, 0, 0.6);
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 860px;
  max-height: 90vh;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
}

.modal.fullscreen {
  width: 80vw;
  max-width: 80vw;
  height: 92vh;
  max-height: 92vh;
}

.modal.plan-modal {
  width: 60vw;
  max-width: 60vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal.plan-modal.fullscreen {
  width: 80vw;
  max-width: 80vw;
  height: 92vh;
  max-height: 92vh;
}

.modal.preview-modal-dialog {
  width: 90vw;
  max-width: 1200px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal.preview-modal-dialog.fullscreen {
  width: 90vw;
  max-width: 90vw;
  height: 90vh;
  max-height: 90vh;
}

.preview-fm {
  margin: 0 0 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated, rgba(127, 127, 127, 0.06));
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace);
  font-size: 11px;
}

.preview-fm > summary {
  cursor: pointer;
  padding: 6px 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
  user-select: none;
}

.preview-fm[open] > summary {
  border-bottom: 1px solid var(--border);
}

.preview-fm .fm-grid {
  padding: 8px 10px;
  display: grid;
  gap: 4px 12px;
}

.preview-fm .fm-row {
  display: grid;
  grid-template-columns: minmax(80px, 140px) 1fr;
  gap: 12px;
  align-items: baseline;
}

.preview-fm .fm-k {
  color: var(--accent, #7aa2f7);
  font-weight: 600;
}

.preview-fm .fm-v {
  color: var(--text, inherit);
  word-break: break-word;
  white-space: pre-wrap;
}

.modal-sm {
  max-width: 440px;
}

@keyframes live-border-pulse {
  0%,
  100% {
    border-color: var(--accent);
    box-shadow:
      0 20px 60px rgba(0, 0, 0, 0.5),
      0 0 20px var(--accent-dim),
      0 0 4px var(--accent);
  }
  50% {
    border-color: var(--accent-dim);
    box-shadow:
      0 20px 60px rgba(0, 0, 0, 0.5),
      0 0 6px var(--accent-dim);
  }
}
.modal-overlay.live-overlay {
  background: rgba(0, 0, 0, 0.25);
}
.modal.live {
  border-width: 2px;
  animation: live-border-pulse 2s ease-in-out infinite;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  margin-bottom: 0;
  overflow-y: auto;
  min-height: 0;
}

.form-group {
  margin-bottom: 16px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 14px;
  transition: all 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
  font-family: var(--mono);
}

select.form-input[multiple] {
  padding: 4px;
}

select.form-input optgroup {
  background: var(--bg-surface);
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 8px 4px 8px;
  margin-top: 4px;
  font-style: normal;
}

select.form-input optgroup:first-child {
  margin-top: 0;
}

select.form-input option {
  padding: 8px 8px 8px 16px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 400;
  font-size: 13px;
  border-radius: 4px;
  margin: 2px 4px;
}

select.form-input option:checked {
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 500;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 16px;
  flex-shrink: 0;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.offline-card .btn {
  font-size: 0.8rem;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #d96329;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* #endregion */

/* #region SCRATCHPAD */
.scratchpad-modal {
  width: 90%;
  max-width: 600px;
}

.scratchpad-textarea {
  width: 100%;
  min-height: 200px;
  max-height: 50vh;
  resize: vertical;
  padding: 12px;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s ease;
}

.scratchpad-textarea:focus {
  border-color: var(--accent);
}

.scratchpad-textarea::placeholder {
  color: var(--text-muted);
}

.scratchpad-footer {
  justify-content: space-between;
}

.scratchpad-charcount {
  font-size: 12px;
  color: var(--text-muted);
  align-self: center;
}
/* #endregion */

/* #region STORAGE_MANAGER */
.storage-modal {
  width: 90%;
  max-width: 860px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.storage-project-group {
  margin-bottom: 12px;
}

.storage-project-header {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 10px;
  background: var(--bg-elevated);
  border-radius: 6px;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.storage-project-header .storage-item-meta {
  font-weight: 400;
}

.storage-session-group {
  padding-left: 12px;
  border-left: 2px solid color-mix(in srgb, var(--border) 60%, transparent);
  margin-left: 8px;
  margin-bottom: 8px;
}

.storage-total {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--mono);
}

.storage-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin: -4px -24px 0;
  padding: 0 24px;
  flex-shrink: 0;
}

.storage-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--mono);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.storage-tab:hover {
  color: var(--text-primary);
}

.storage-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.storage-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  gap: 8px;
}

.storage-item:last-child {
  border-bottom: none;
}

.storage-item-clickable {
  cursor: pointer;
}

.storage-item-clickable:hover {
  background: var(--bg-hover);
  border-radius: 4px;
}

.storage-item-id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.storage-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.storage-item-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  flex-shrink: 0;
  font-family: var(--mono);
}

.storage-item-badge.orphan {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.storage-item-badge.pinned {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
}

.storage-item-badge.sticky {
  background: rgba(234, 179, 8, 0.15);
  color: #eab308;
}

.storage-item-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.storage-item-actions button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  font-family: var(--mono);
  transition: all 0.15s;
}

.storage-item-actions button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.storage-item-actions button.danger:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.storage-group-header {
  font-size: 12px;
  color: var(--text-muted);
  padding: 12px 0 4px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.storage-group-header:first-child {
  padding-top: 0;
}

.storage-empty {
  text-align: center;
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 13px;
}
/* #endregion */

/* #region A11Y */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100000;
  padding: 8px 16px;
  background: var(--accent);
  color: white;
  font-size: 13px;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* Visually hidden (a11y) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* #endregion */

/* #region MEDIA_QUERIES */
@media (prefers-color-scheme: light) {
  body:not(.dark-forced) {
    --bg-deep: #e8e6e3;
    --bg-surface: #f4f3f1;
    --bg-elevated: #dddbd8;
    --bg-hover: #d2d0cc;
    --border: #a09b94;
    --text-primary: #0a0a0a;
    --text-secondary: #444444;
    --text-tertiary: #666666;
    --text-muted: #888888;
    --accent-dim: rgba(232, 111, 51, 0.18);
    --accent-glow: rgba(232, 111, 51, 0.5);
    --success: #1a8a5a;
    --success-dim: rgba(26, 138, 90, 0.15);
    --warning: #b07d0a;
    --warning-dim: rgba(176, 125, 10, 0.15);
    --plan: #5a7a5a;
    --plan-dim: rgba(90, 122, 90, 0.15);
  }

  body:not(.dark-forced)::before {
    display: none;
  }
}

/* #endregion */

/* #region MERMAID */
pre.mermaid {
  text-align: center;
  background: transparent;
  overflow-x: auto;
}
pre.mermaid svg {
  max-width: 100%;
}
.modal.has-mermaid {
  width: 80vw;
  max-width: 80vw;
  max-height: 90vh;
}
/* #endregion */

/* #region ANIMATIONS */
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.column-tasks .task-card {
  animation: fadeSlideIn 150ms ease-out both;
}

.column-tasks .task-card:nth-child(1) {
  animation-delay: 0ms;
}
.column-tasks .task-card:nth-child(2) {
  animation-delay: 30ms;
}
.column-tasks .task-card:nth-child(3) {
  animation-delay: 60ms;
}
.column-tasks .task-card:nth-child(4) {
  animation-delay: 90ms;
}
.column-tasks .task-card:nth-child(5) {
  animation-delay: 120ms;
}
.column-tasks .task-card:nth-child(6) {
  animation-delay: 150ms;
}
.column-tasks .task-card:nth-child(7) {
  animation-delay: 180ms;
}
.column-tasks .task-card:nth-child(8) {
  animation-delay: 210ms;
}
.column-tasks .task-card:nth-child(9) {
  animation-delay: 240ms;
}
.column-tasks .task-card:nth-child(10) {
  animation-delay: 270ms;
}

/* Connection status breathing */
@keyframes breathe {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.65;
  }
}

.connection-dot.live {
  animation: breathe 3s ease-in-out infinite;
}

/* Progress bar shimmer */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.progress-fill.shimmer {
  background: linear-gradient(90deg, var(--accent) 0%, rgba(232, 111, 51, 0.75) 50%, var(--accent) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* #endregion */

/* #region PROJECT_GROUPS */
.project-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px 4px;
  margin-top: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-group-header:first-child {
  margin-top: 0;
}

.project-group-header:hover {
  color: var(--text-primary);
}

.project-group-header.kb-selected,
.pinned-sub-header.kb-selected {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-radius: 4px;
}

.project-group-header .group-chevron {
  transition: transform 0.15s ease;
  flex-shrink: 0;
  display: block;
}

.project-group-header.collapsed .group-chevron {
  transform: rotate(-90deg);
}

.project-group-header .group-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-view-btn {
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.project-view-btn:hover {
  color: var(--accent);
}

.project-group-header .group-count {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1;
}

.project-group-header .group-path-toggle {
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.project-group-header .group-path-toggle:hover {
  color: var(--accent);
}

.project-group-breadcrumb {
  font-size: 10px;
  color: var(--text-muted);
  padding: 0 10px 0 28px;
  font-family: 'IBM Plex Mono', monospace;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height 0.2s ease,
    opacity 0.15s ease,
    padding 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.project-group-breadcrumb.expanded {
  max-height: 24px;
  opacity: 1;
  padding: 2px 10px 4px 28px;
}

.project-group-breadcrumb:hover {
  color: var(--accent);
}

.project-group-breadcrumb .sep {
  opacity: 0.4;
}

.project-group-sessions {
  display: block;
}

.project-group-sessions.collapsed {
  display: none;
}

.pinned-sub-section {
  margin-bottom: 2px;
}

.pinned-sub-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px 3px 18px;
  cursor: pointer;
  user-select: none;
  font-size: 10px;
  color: var(--text-muted);
}

.pinned-sub-header:hover {
  color: var(--text-secondary);
}

.pinned-sub-header .group-chevron {
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.pinned-sub-header.collapsed .group-chevron {
  transform: rotate(-90deg);
}

.pinned-sub-label {
  font-weight: 500;
  letter-spacing: 0.3px;
}

.pinned-ungroup-btn {
  margin-left: auto;
  font-size: 14px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 2px;
  opacity: 0;
  transition:
    opacity 0.15s,
    color 0.15s;
}

.pinned-sub-header:hover .pinned-ungroup-btn {
  opacity: 1;
}

.pinned-ungroup-btn:hover {
  color: var(--accent);
}

.pinned-sub-items.collapsed {
  display: none;
}

.pinned-regroup-banner {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 10px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.pinned-regroup-banner:hover {
  color: var(--accent);
}

/* Session list hover accent bar */
.session-item {
  position: relative;
}

.session-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 60%;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
  transition: width 0.15s ease;
}

.session-item:hover::before {
  width: 0;
}

.sidebar-focused .session-item.active {
  background: transparent;
  border-color: var(--accent);
}

.sidebar-focused .session-item.active::before {
  width: 0;
}

.session-item.kb-selected,
.session-item.kb-selected:hover,
.session-item.active.kb-selected {
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.session-item.kb-selected::before {
  width: 0;
}
.session-item.stale .session-time,
.session-item.warm .session-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.session-item.stale .session-time::before,
.session-item.warm .session-time::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.session-item.warm .session-time {
  color: var(--success);
}
.session-item.warm .session-time::before {
  background: var(--success);
}
.session-item.stale {
  opacity: 0.85;
}
.session-item.stale:hover,
.session-item.stale.active,
.session-item.stale.kb-selected {
  opacity: 1;
}
.session-item.stale .session-time {
  color: var(--text-muted);
}
.session-item.stale .session-time::before {
  background: transparent;
  border: 1px solid var(--text-muted);
}
/* #endregion */

/* #region AskUserQuestion card */
.ask-user-questions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}
.ask-user-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--bg-secondary, var(--bg-elevated, rgba(127,127,127,0.06)));
}
.ask-user-header {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 4px;
}
.ask-user-question-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.ask-user-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.ask-user-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.ask-user-option {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 3px 6px;
  border-radius: 4px;
}
.ask-user-option--checked {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.ask-user-check {
  flex-shrink: 0;
  width: 14px;
  color: var(--success);
  font-weight: 700;
}
.ask-user-option:not(.ask-user-option--checked) .ask-user-check {
  color: var(--text-muted);
}
.ask-user-option-label {
  font-weight: 500;
}
.ask-user-option-desc {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-left: 4px;
}
.ask-user-pending {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  margin-top: 6px;
}
.ask-user-cancelled {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  padding: 8px 0;
}
/* #endregion */