/* ==========================================================================
   agent-comm — Dashboard styles (light + dark theme)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Theme variables
   -------------------------------------------------------------------------- */

:root {
  --bg: #ffffff;
  --bg-surface: #f5f7f9;
  --bg-elevated: #edf0f4;
  --bg-hover: #e4e8ed;
  --border: #c8d1da;
  --border-light: #dde3e9;
  --text: #1c2a33;
  --text-muted: #5a6b78;
  --text-dim: #8895a0;
  --accent: #5d8da8;
  --accent-hover: #4e7d98;
  --accent-dim: #243742;
  --green: #1a7f37;
  --green-dim: rgba(26, 127, 55, 0.15);
  --yellow: #9a6700;
  --yellow-dim: rgba(154, 103, 0, 0.15);
  --orange: #bc4c00;
  --orange-dim: rgba(188, 76, 0, 0.15);
  --red: #cf222e;
  --red-dim: rgba(207, 34, 46, 0.15);
  --purple: #6e78a8;
  --purple-dim: rgba(110, 120, 168, 0.15);
  --blue: #2563eb;
  --blue-dim: rgba(37, 99, 235, 0.15);
  --focus-ring: rgba(93, 141, 168, 0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --sidebar-width: 240px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --shadow-1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --shadow-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --shadow-3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
  --shadow-sm: var(--shadow-1);
  --shadow-md: var(--shadow-2);
  --shadow-hover: var(--shadow-3);
}

[data-theme='dark'] {
  --bg: #192028;
  --bg-surface: #1e2830;
  --bg-elevated: #243742;
  --bg-hover: #2c414e;
  --border: #344956;
  --border-light: #2a3a46;
  --text: #e2e9ef;
  --text-muted: #8fa3b0;
  --text-dim: #5f7885;
  --accent: #5d8da8;
  --accent-hover: #6d9db8;
  --accent-dim: #4a7a96;
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.15);
  --yellow: #d29922;
  --yellow-dim: rgba(210, 153, 34, 0.15);
  --orange: #db6d28;
  --orange-dim: rgba(219, 109, 40, 0.15);
  --red: #f85149;
  --red-dim: rgba(248, 81, 73, 0.15);
  --purple: #8e9ad0;
  --purple-dim: rgba(142, 154, 208, 0.15);
  --blue: #60a5fa;
  --blue-dim: rgba(96, 165, 250, 0.15);
  --focus-ring: rgba(93, 141, 168, 0.4);
}

/* Skill pills — need high contrast in both themes */
.skill-pill {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono, monospace);
  padding: 2px 8px;
  border-radius: 10px;
  margin: 2px 2px 0 0;
  cursor: default;
}

.skill-pill {
  background: #e8f0f5;
  color: #2c5f7a;
  border: 1px solid #c8dce8;
}

[data-theme='dark'] .skill-pill {
  background: #1e3a4a;
  color: #8ec8e8;
  border: 1px solid #2c5060;
}

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

body {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

#sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}

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

.brand-icon {
  font-size: 24px;
  color: var(--accent);
}

.sidebar-header h1 {
  font-size: 17px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-dim);
  letter-spacing: -0.3px;
}

.sidebar-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.version {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 2px 6px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
}

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

.icon-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.nav-items {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  cursor: pointer;
}

.nav-icon {
  font-size: 20px;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.nav-link.active {
  color: var(--accent-dim);
  border-left-color: var(--accent);
  background: var(--bg-hover);
  font-weight: 600;
}

.nav-link.active .nav-icon {
  color: var(--accent);
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.connection-status {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.conn-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}

.connection-status.connected {
  color: var(--green);
}

.connection-status.connected .conn-dot {
  background: var(--green);
}

.connection-status.disconnected {
  color: var(--red);
}

.connection-status.disconnected .conn-dot {
  background: var(--red);
}

/* --------------------------------------------------------------------------
   Sidebar toggle (mobile)
   -------------------------------------------------------------------------- */

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  border: none;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  color: var(--text-muted);
  box-shadow: var(--shadow-2);
  transition:
    background 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
  align-items: center;
  justify-content: center;
}
.sidebar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
  box-shadow: var(--shadow-3);
}

.hamburger-icon {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: absolute;
  left: 0;
}
.hamburger-icon::before {
  top: -6px;
}
.hamburger-icon::after {
  top: 6px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 149;
}

@media (max-width: 768px) {
  .sidebar-toggle {
    display: flex;
  }

  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  #sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  #content {
    padding: 48px 16px 24px;
  }

  .view h2,
  .overview-header h2,
  .split-left-header h2 {
    padding-left: 40px;
    font-size: 18px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stat-card {
    padding: 12px 8px;
  }

  .stat-value {
    font-size: 22px;
  }

  .stat-label {
    font-size: 11px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .search-input {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  #content {
    padding: 52px 12px 16px;
  }

  .stat-value {
    font-size: 20px;
  }
}

#content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  position: relative;
}

/* --------------------------------------------------------------------------
   Channel detail panel
   -------------------------------------------------------------------------- */

.channel-detail-panel {
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   Loading overlay
   -------------------------------------------------------------------------- */

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
  transition: opacity 0.3s;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   Views
   -------------------------------------------------------------------------- */

.view {
  display: none;
}
.view.active {
  display: block;
}
.view h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
  letter-spacing: -0.4px;
}

.overview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.overview-header h2 {
  margin-bottom: 24px;
}
.overview-actions {
  display: flex;
  gap: 6px;
}

/* --------------------------------------------------------------------------
   Stats / Panels / Cards
   -------------------------------------------------------------------------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-1);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.stat-card-link {
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.panel h3 {
  font-size: 13px;
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.panel-body {
  padding: 8px;
  max-height: 320px;
  overflow-y: auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: all 0.2s ease;
  animation: fadeInUp 0.25s ease both;
}

.card:hover {
  border-color: var(--accent-dim);
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}
.card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* --------------------------------------------------------------------------
   Agent cards
   -------------------------------------------------------------------------- */

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.status-dot.online {
  background: var(--green);
}
.status-dot.idle {
  background: var(--yellow);
}
.status-dot.offline {
  background: var(--text-dim);
}
.hb-fresh {
  color: var(--green);
  font-weight: 600;
}
.hb-warm {
  color: var(--yellow);
  font-weight: 600;
}
.hb-stale {
  color: var(--red);
  font-weight: 600;
}

.capability-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--purple);
  margin: 2px 2px 0 0;
}

/* --------------------------------------------------------------------------
   Messages
   -------------------------------------------------------------------------- */

.message-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.message-item {
  padding: 12px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: 13px;
  transition: all 0.15s;
  cursor: pointer;
}

.message-item:hover {
  background: var(--bg-elevated);
  border-color: var(--border);
}

.message-item.expanded {
  border-color: var(--accent-dim);
  background: var(--bg-elevated);
}

.message-item.has-thread {
  border-left: 3px solid var(--purple);
}

.message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 12px;
  flex-wrap: wrap;
}

.message-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #243742;
  color: #e2e9ef;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.message-avatar.small {
  width: 22px;
  height: 22px;
  font-size: 9px;
}

.message-from {
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
}

.message-to {
  color: var(--text-muted);
}

.message-time {
  color: var(--text-muted);
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.message-content {
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
  padding-left: 36px;
}

.message-actions {
  padding-left: 36px;
  margin-top: 6px;
}

.msg-expand-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent);
  font-size: 11px;
  padding: 2px 8px;
  cursor: pointer;
  font-family: var(--font-sans);
}

.msg-expand-btn:hover {
  background: var(--bg-hover);
}

.thread-replies {
  margin-top: 10px;
  padding: 10px 10px 10px 36px;
  border-top: 1px solid var(--border-light);
}

.thread-reply {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.thread-reply:last-child {
  border-bottom: none;
}

.thread-reply .message-content {
  padding-left: 30px;
  margin-top: 4px;
}

.importance-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.importance-urgent {
  background: var(--red);
  color: #fff;
}

.importance-high {
  background: var(--orange);
  color: #fff;
}

.importance-normal {
  display: none;
}

.importance-low {
  color: var(--text-dim);
}

.message-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--purple);
}

.message-tag.thread-count {
  color: var(--accent);
}

.message-tag.ack-tag {
  color: var(--orange);
}

.message-tag.edited-tag {
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Nav badges
   -------------------------------------------------------------------------- */

.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--accent, #5d8da8);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1;
}

.nav-badge.zero {
  display: none;
}

/* --------------------------------------------------------------------------
   Toast notifications
   -------------------------------------------------------------------------- */

.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: auto;
  animation: toastIn 0.3s ease;
  max-width: 320px;
}

.toast .toast-title {
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 2px;
}

.toast .toast-body {
  color: var(--text-muted);
}

.toast.fade-out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(30px);
  }
}

/* --------------------------------------------------------------------------
   Data table
   -------------------------------------------------------------------------- */

.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 600px;
}

.data-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table tr:hover td {
  background: var(--bg-hover);
}
.data-table .value-cell {
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Toolbar / Inputs
   -------------------------------------------------------------------------- */

.toolbar {
  margin-bottom: 16px;
}

.search-input {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  width: 100%;
  max-width: 400px;
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.search-input::placeholder {
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Activity feed
   -------------------------------------------------------------------------- */

.activity-item {
  padding: 6px 8px;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.1s;
}
.activity-item:hover {
  background: var(--bg-hover);
}
.activity-item:last-child {
  border-bottom: none;
}
.activity-item .from {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
}
.activity-item .time {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  float: right;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-dim);
  font-size: 13px;
}

.empty-state-icon {
  display: block;
  font-size: 32px;
  margin-bottom: 8px;
  opacity: 0.5;
}

.empty-state-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Material icons & search wrapper
   -------------------------------------------------------------------------- */

.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
}

.view-icon {
  font-size: 24px;
  vertical-align: -4px;
  margin-right: 8px;
  color: var(--accent);
}

.stat-icon {
  font-size: 28px;
  color: var(--accent);
  opacity: 0.6;
  display: block;
  margin-bottom: 4px;
}

.panel-icon {
  font-size: 16px;
  vertical-align: -3px;
  margin-right: 6px;
  color: var(--accent);
}

.search-wrapper {
  position: relative;
}

.search-wrapper .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--text-dim);
  pointer-events: none;
}

.search-wrapper .search-input {
  padding-left: 36px;
}

.sidebar-toggle .material-symbols-outlined {
  font-size: 20px;
}

/* --------------------------------------------------------------------------
   Prose (rendered markdown)
   -------------------------------------------------------------------------- */

.prose {
  line-height: 1.7;
}

.prose p {
  margin: 0 0 8px;
}

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

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 1px 5px;
}

.prose pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.prose ul,
.prose ol {
  padding-left: 20px;
  margin: 6px 0;
}

.prose li {
  margin: 2px 0;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 12px;
  margin: 8px 0;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  margin: 12px 0 6px;
  font-weight: 600;
  color: var(--text);
}

.prose h1 {
  font-size: 1.3em;
}
.prose h2 {
  font-size: 1.15em;
}
.prose h3 {
  font-size: 1.05em;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
}

.prose strong {
  font-weight: 600;
  color: var(--text);
}

.prose table {
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 12px;
  width: 100%;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

.prose th {
  background: var(--bg-elevated);
  font-weight: 600;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.prose ul.contains-task-list {
  list-style: none;
  padding-left: 4px;
}

.prose .task-list-item input[type='checkbox'] {
  margin-right: 6px;
}

.prose img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.prose mark {
  background: rgba(251, 188, 4, 0.3);
  padding: 0 2px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   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-dim);
}

/* --------------------------------------------------------------------------
   Split pane (Messages view)
   -------------------------------------------------------------------------- */

.split-pane {
  display: flex;
  height: calc(100vh - 48px);
  gap: 0;
  margin: -24px -32px;
}

.split-left {
  width: 380px;
  min-width: 300px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.split-left-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.split-left-header h2 {
  font-size: 16px;
  margin: 0;
}

.search-sm {
  max-width: none;
  padding: 6px 10px;
  font-size: 12px;
}

.split-right {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.message-list-compact {
  overflow-y: auto;
  flex: 1;
}

/* --------------------------------------------------------------------------
   Compact message items (left pane)
   -------------------------------------------------------------------------- */

.msg-compact {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.1s;
}

.msg-compact:hover {
  background: var(--bg-hover);
}

.msg-compact.selected {
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent);
  padding-left: 13px;
}

.msg-compact-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.msg-compact-from {
  font-weight: 600;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text);
}

.msg-compact-to {
  font-size: 11px;
  color: var(--text-dim);
}

.msg-compact-time {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-left: auto;
  white-space: nowrap;
}

.msg-compact-preview {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

.msg-compact-badges {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  flex-wrap: wrap;
}

/* Lazy load indicator at top of message list */
.msg-load-older {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border-light);
}

.msg-load-older-icon {
  font-size: 16px;
  animation: msg-load-spin 1.2s linear infinite;
}

@keyframes msg-load-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* --------------------------------------------------------------------------
   Message detail (right pane)
   -------------------------------------------------------------------------- */

.detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  font-size: 14px;
}

.detail-empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.detail-card {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: hidden;
}

.detail-header {
  padding: 0 0 12px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #243742;
  color: #e2e9ef;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.detail-sender {
  flex: 1;
  min-width: 0;
}

.detail-sender-name {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
}

.detail-sender-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

.detail-badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.detail-body {
  padding: 14px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.detail-thread {
  border-top: 1px solid var(--border-light);
  padding: 12px 0;
}

.detail-thread-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.thread-msg {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  gap: 10px;
}

.thread-msg:last-child {
  border-bottom: none;
}

.thread-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #243742;
  color: #e2e9ef;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.thread-msg-content {
  flex: 1;
}

.thread-msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.thread-msg-name {
  font-weight: 600;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent);
}

.thread-msg-time {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.thread-msg-body {
  font-size: 13px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Reply context banner (shown above message body) */
.detail-reply-context {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 8px 12px;
  margin: 0 0 4px 0;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s;
}
.detail-reply-context:hover {
  background: var(--bg-tertiary, var(--border-light));
}
.reply-context-name {
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.reply-context-preview {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Forwarded message block */
.forwarded-block {
  margin: 8px 0;
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--text-dim);
  border-radius: 6px;
  overflow: hidden;
}
.forwarded-header {
  padding: 6px 12px;
  background: var(--bg-secondary);
  font-size: 11px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
}
.forwarded-body {
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Forward badge */
.fwd-tag {
  background: var(--bg-secondary) !important;
  color: var(--text-muted) !important;
}

/* Clickable thread messages */
.thread-msg[data-goto-msg] {
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 6px;
  padding: 12px 8px;
}
.thread-msg[data-goto-msg]:hover {
  background: var(--bg-secondary);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card-action {
  margin-top: 10px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

.card:hover .card-action {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Filter chips
   -------------------------------------------------------------------------- */

.filter-chips {
  display: flex;
  gap: 6px;
  padding: 6px 16px;
  flex-wrap: wrap;
}

.filter-chips:empty {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
}

.chip-remove {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
}

.chip-remove:hover {
  color: #fff;
}

/* --------------------------------------------------------------------------
   Staggered entrance animation
   -------------------------------------------------------------------------- */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg-compact {
  animation: fadeInUp 0.2s ease both;
}

.msg-compact.no-anim,
.card.no-anim {
  animation: none;
}

@media (max-width: 768px) {
  .split-pane {
    flex-direction: column;
    height: auto;
  }
  .split-left {
    width: 100%;
    min-width: auto;
    max-height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .split-right {
    min-height: 40vh;
  }
}

/* Agent status text */
.status-text {
  font-style: italic;
  color: var(--primary);
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Cleanup modal
   -------------------------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 280px;
  max-width: 480px;
  width: 90vw;
  box-shadow: var(--shadow-3);
}

.modal h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-desc {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 20px;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition:
    background 0.15s,
    border-color 0.15s;
}

.modal-option:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

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

.modal-option .material-symbols-outlined {
  font-size: 22px;
  color: var(--text-muted);
  margin-top: 1px;
}

.modal-option-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-option-text strong {
  font-size: 14px;
}

.modal-option-text span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.modal-option-danger:hover {
  border-color: var(--red);
}

.modal-option-danger .material-symbols-outlined {
  color: var(--red);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}

.modal-cancel {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 16px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
}

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

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

@media (prefers-reduced-motion: reduce) {
  .msg-compact,
  .card,
  .toast {
    animation: none;
  }
  .card:hover {
    transform: none;
  }
}

/* ========================================================================= */
/* Activity Feed                                                              */
/* ========================================================================= */

.feed-timeline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.feed-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  transition: background 0.15s;
}

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

.feed-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-surface);
}

.feed-icon .material-symbols-outlined {
  font-size: 18px;
}

.feed-content {
  flex: 1;
  min-width: 0;
}

.feed-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.feed-type {
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.feed-agent {
  color: var(--text-muted);
  font-size: 12px;
}

.feed-time {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 11px;
  white-space: nowrap;
}

.feed-target {
  margin-top: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-preview {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-load-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.feed-load-more-icon {
  font-size: 18px;
  animation: feed-load-spin 1.2s linear infinite;
}

@keyframes feed-load-spin {
  to {
    transform: rotate(360deg);
  }
}

/* --------------------------------------------------------------------------
   Stuck detection — idle badge on agent cards
   -------------------------------------------------------------------------- */

.stuck-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
  background: color-mix(in srgb, var(--orange) 12%, transparent);
  padding: 1px 6px;
  border-radius: 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Handoff messages — distinct rendering
   -------------------------------------------------------------------------- */

.handoff-tag {
  background: color-mix(in srgb, var(--orange) 15%, transparent) !important;
  color: var(--orange) !important;
  border: 1px solid color-mix(in srgb, var(--orange) 30%, transparent) !important;
}

.handoff-block {
  margin: 8px 0;
  border: 1px solid color-mix(in srgb, var(--orange) 30%, transparent);
  border-left: 3px solid var(--orange);
  border-radius: 6px;
  overflow: hidden;
}

.handoff-header {
  padding: 8px 12px;
  background: color-mix(in srgb, var(--orange) 8%, var(--bg-surface));
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  display: flex;
  align-items: center;
}

.handoff-body {
  padding: 10px 12px;
}

/* --------------------------------------------------------------------------
   Branch indicators and detail section
   -------------------------------------------------------------------------- */

.branch-tag {
  background: color-mix(in srgb, var(--purple) 15%, transparent) !important;
  color: var(--purple) !important;
  border: 1px solid color-mix(in srgb, var(--purple) 30%, transparent) !important;
}

.branch-indicator-tag {
  background: color-mix(in srgb, var(--purple) 12%, transparent) !important;
  color: var(--purple) !important;
}

.detail-branches {
  margin: 12px 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--purple) 6%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--purple) 20%, transparent);
  border-radius: 8px;
}

.detail-branches-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--purple);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
}

.branch-item {
  display: flex;
  align-items: center;
  padding: 4px 0;
  font-size: 12px;
}

.branch-name {
  font-weight: 500;
  color: var(--text);
}

.branch-meta {
  color: var(--text-dim);
  margin-left: 4px;
}

/* --------------------------------------------------------------------------
   Mobile Responsive — additional rules (768px + 480px)
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
  /* -- Stats & card grids: full width -- */
  .stats-grid {
    max-width: 100%;
  }
  .stat-card {
    max-width: none;
  }
  .card-grid {
    max-width: 100%;
  }
  .card {
    max-width: none;
    padding: 12px;
  }

  /* -- Overview header: actions inline with heading -- */
  .overview-header {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
  }
  .overview-header h2 {
    flex: 1;
    min-width: 0;
  }
  .overview-actions {
    flex-shrink: 0;
  }

  /* -- Messages: split pane polish -- */
  .split-left-header {
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px 12px;
  }
  .split-left-header h2 {
    font-size: 16px;
    flex: 1;
    min-width: 0;
  }
  #msg-clear {
    order: 0;
  }
  .split-pane .detail-empty {
    padding: 24px 16px;
    min-height: 0;
  }
  .split-pane .detail-empty-icon {
    font-size: 32px;
    margin-bottom: 8px;
  }
  .split-right {
    min-height: auto;
    max-height: 50vh;
    overflow-y: auto;
  }

  /* -- State table: scroll hint -- */
  .table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
  }
  .table-scroll-wrapper::after {
    content: '';
    position: sticky;
    right: 0;
    top: 0;
    bottom: 0;
    width: 24px;
    background: linear-gradient(to right, transparent, var(--bg));
    pointer-events: none;
    flex-shrink: 0;
  }
  .data-table th,
  .data-table td {
    padding: 6px 8px;
    font-size: 12px;
    white-space: nowrap;
  }
  .data-table .value-cell {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* -- Feed items: stacked layout -- */
  .feed-item {
    flex-wrap: wrap;
    padding: 8px 12px;
    gap: 6px;
  }
  .feed-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  .feed-content {
    width: calc(100% - 40px);
    min-width: 0;
  }
  .feed-type {
    font-size: 11px;
  }
  .feed-agent {
    word-break: break-word;
  }

  /* -- Hamburger backdrop -- */
  .sidebar-toggle {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  /* -- Icon buttons: touch-friendly -- */
  .icon-btn {
    min-width: 36px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* -- Modals & toasts -- */
  .modal {
    width: calc(100% - 16px);
    max-width: 100%;
    margin: 8px;
  }
  .toast-container {
    left: 8px;
    right: 8px;
  }
  .toast {
    max-width: none;
  }

  /* -- General spacing -- */
  .view {
    padding: 16px 12px;
  }
  .panel {
    padding: 12px;
  }
  .message-content {
    font-size: 13px;
  }
  .message-actions {
    flex-wrap: wrap;
  }
  .handoff-header {
    flex-wrap: wrap;
    gap: 4px;
  }
  .handoff-body {
    padding: 8px;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .view h2 {
    font-size: 16px;
  }
  .split-left-header {
    padding: 8px 10px;
  }
  .msg-compact {
    padding: 6px 8px;
  }
  .feed-item {
    padding: 6px 8px;
    font-size: 12px;
  }
  .sidebar-toggle {
    top: 8px;
    left: 8px;
  }
}