/* === Agent Metrics Bar === */
.agent-metrics-bar {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.agent-metric-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  flex: 1;
}

.agent-metric-card:hover {
  background: var(--card-hover);
  transform: translateY(calc(var(--space-xs) * -0.25));
}

.agent-metric-card--active svg { color: var(--state-active-text); }
.agent-metric-card--tasks svg { color: var(--in-progress); }
.agent-metric-card--success svg { color: var(--color-success); }
.agent-metric-card--runs svg { color: var(--in-progress); }

.agent-metric-info {
  display: flex;
  flex-direction: column;
}

.agent-metric-value {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.2;
}

.agent-metric-label {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === Agent List View === */
.agents-view {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.agents-view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.agents-view-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.agents-view-title h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.agents-view-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.agents-view-primary-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.agent-controls-trigger {
  white-space: nowrap;
}

.agent-controls-trigger--active {
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
}

.agent-controls-panel {
  position: absolute;
  top: calc(var(--header-height) + var(--space-sm));
  right: var(--space-lg);
  width: min(calc(var(--space-2xl) * 16), calc(100% - var(--space-2xl)));
  padding: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.agent-controls-panel--scrollable {
  max-height: 70vh;
  overflow-y: auto;
}

.agent-controls-panel .agent-controls {
  margin-bottom: 0;
  align-items: stretch;
}

.agent-controls-panel .agent-controls-actions {
  justify-content: flex-end;
}

.agent-controls-panel .agent-global-controls {
  margin-bottom: 0;
  padding: var(--space-md);
}

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

.agents-view-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: calc(var(--space-2xl) * 6);
  gap: var(--space-sm);
  color: var(--text-muted);
}

.agent-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.agent-controls-filters {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.agent-state-filter {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) calc(var(--space-sm) + var(--space-xs));
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.agent-state-filter:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.agent-state-filter:focus-within {
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
}

.agent-state-filter-select {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-primary);
  cursor: pointer;
  outline: none;
  padding-right: 4px;
}

.agent-system-filter {
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  user-select: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.agent-system-filter:hover {
  color: var(--text);
}

.agent-system-filter input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--todo);
  cursor: pointer;
}

.agent-create-form {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

/* ── Agent Tree View ────────────────────────────────────────────────────── */

.agent-tree__view {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm) 0;
}

.agent-tree__node {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.agent-tree__node:hover {
  background: var(--card-hover);
}

.agent-tree__indent--0 { padding-left: 0; }
.agent-tree__indent--1 { padding-left: var(--space-xl); }
.agent-tree__indent--2 { padding-left: calc(var(--space-xl) * 2); }
.agent-tree__indent--3 { padding-left: calc(var(--space-xl) * 3); }
.agent-tree__indent--4 { padding-left: calc(var(--space-xl) * 4); }

.agent-tree__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--space-md) * 2);
  height: calc(var(--space-md) * 2);
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
}

.agent-tree__toggle:hover {
  background: var(--card-hover);
  color: var(--text);
}

.agent-tree__toggle--leaf {
  color: var(--text-muted);
  cursor: default;
}

.agent-tree__toggle--leaf:hover {
  background: transparent;
  color: var(--text-muted);
}

.agent-tree__content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  flex: 1;
  min-width: 0;
}

.agent-tree__icon {
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

.agent-tree__name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-tree__badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.agent-tree__health {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.agent-tree__count {
  font-size: 11px;
  flex-shrink: 0;
}

.agent-is-child {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border-left: 2px solid var(--accent);
}

.agent-tree__children {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-left: calc(var(--space-md) - var(--space-xs));
  padding-left: var(--space-md);
  border-left: 1px solid var(--border);
}

.agent-tree__children::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 50%;
  width: 1px;
  background: var(--border);
}

.agent-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.agent-board-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-top-width: 3px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.agent-board-card:hover {
  background: var(--card-hover);
  border-color: var(--text-muted);
}

.agent-board-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.agent-board-icon {
  font-size: 20px;
  line-height: 1;
}

.agent-board-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: auto;
}

.agent-board-health {
  display: flex;
  align-items: center;
}

.agent-board-name {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-board-id {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.agent-board-clickable {
  cursor: pointer;
}

.agent-board-clickable:hover .agent-board-name {
  color: var(--todo);
}

.agent-board-actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.agent-board-actions .btn {
  flex: 1;
  justify-content: center;
}

.agent-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.agent-card {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--surface);
}

.agent-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.agent-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.agent-info--clickable {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  padding: 4px;
  margin: -4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.agent-info--clickable:hover {
  background: var(--card-hover);
}

.agent-info--clickable:hover .agent-name {
  color: var(--todo);
}

.agent-icon {
  font-size: 24px;
}

.agent-icon--clickable {
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  user-select: none;
}

.agent-icon--clickable:hover {
  opacity: 0.7;
  transform: scale(1.1);
}

.agent-icon--clickable:focus {
  outline: 2px solid var(--todo);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.agent-role-select {
  font-size: 14px;
  padding: 4px var(--space-sm);
  min-width: 120px;
  width: auto;
  cursor: pointer;
}

.agent-meta {
  display: flex;
  flex-direction: column;
}

.agent-name {
  font-weight: 600;
  font-size: 16px;
}

.agent-id {
  font-size: 12px;
  font-family: var(--font-mono);
}

.agent-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.agent-card-chevron {
  color: var(--text-muted);
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.agent-info--clickable:hover .agent-card-chevron {
  opacity: 1;
}

.agent-card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--space-md);
  padding: var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.agent-task,
.agent-heartbeat {
  display: flex;
  gap: var(--space-sm);
}

.agent-heartbeat-control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.agent-heartbeat-select {
  width: auto;
  min-width: calc(var(--space-2xl) + var(--space-xl));
  padding: var(--space-xs) var(--space-md);
  font-size: var(--space-md);
}

.agent-heartbeat-last,
.agent-heartbeat-next,
.agent-heartbeat-saving {
  font-size: var(--space-md);
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.agent-card-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

.agent-card-details-btn {
  margin-left: auto;
}

.agent-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: calc(var(--space-2xl) + var(--space-lg));
  color: var(--text-muted);
  text-align: center;
}

.agent-empty-state__icon {
  color: var(--text-dim);
}

.agent-empty-state__title,
.agent-empty-state__description {
  margin: 0;
}

.agent-empty .btn {
  margin-top: var(--space-sm);
}

/* Agent state badge variants */
.agent-badge--idle {
  background: var(--state-idle-bg);
  color: var(--state-idle-text);
  border: 1px solid var(--state-idle-border);
}

.agent-badge--active,
.agent-badge--running {
  background: var(--state-active-bg);
  color: var(--state-active-text);
  border: 1px solid var(--state-active-border);
}

.agent-badge--paused {
  background: var(--state-paused-bg);
  color: var(--state-paused-text);
  border: 1px solid var(--state-paused-border);
}

.agent-badge--error,
.agent-badge--terminated {
  background: var(--state-error-bg);
  color: var(--state-error-text);
  border: 1px solid var(--state-error-border);
}

.agent-board-card--idle { border-top-color: var(--state-idle-border); }
.agent-board-card--active,
.agent-board-card--running { border-top-color: var(--state-active-border); }
.agent-board-card--paused { border-top-color: var(--state-paused-border); }
.agent-board-card--error,
.agent-board-card--terminated { border-top-color: var(--state-error-border); }

.agent-card--idle { border-left-color: var(--state-idle-border); }
.agent-card--active,
.agent-card--running { border-left-color: var(--state-active-border); }
.agent-card--paused { border-left-color: var(--state-paused-border); }
.agent-card--error,
.agent-card--terminated { border-left-color: var(--state-error-border); }

.spin {
  animation: spin 1s linear infinite;
}

/* === FN-1167: Agent Org Chart + Chain of Command === */
.agent-org-chart {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--space-xl);
  padding: var(--space-lg);
  overflow-x: auto;
  overflow-y: visible;
  min-height: calc(var(--space-xl) * 9 + var(--space-xs));
}

.agent-org-chart__loading,
.chain-of-command-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
}

.org-chart-node {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: calc(var(--space-xl) * 9 + var(--space-xs));
  flex: 0 0 auto;
}

.org-chart-node-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
  position: relative;
}

.org-chart-node-card:hover,
.org-chart-node-card:focus-visible {
  border-color: var(--accent);
  background: var(--card-hover);
  transform: translateY(calc(var(--space-xs) * -0.25));
  outline: none;
}

.org-chart-node__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.org-chart-node__icon {
  font-size: var(--space-lg);
}

.org-chart-node__name {
  font-weight: 600;
  line-height: 1.2;
}

.org-chart-node__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.org-chart-node__badge {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--space-xs) * 0.5) var(--space-sm);
  border-radius: var(--radius-pill);
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  text-transform: capitalize;
}

.org-chart-node__health {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--space-md);
}

.org-chart-node--has-children > .org-chart-node-card::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--space-lg) * -1);
  width: 1px;
  height: var(--space-lg);
  background: var(--border);
}

.org-chart-children {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  margin-top: var(--space-xs);
}

.org-chart-children::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-xl);
  right: var(--space-xl);
  height: 1px;
  background: var(--border);
}

.org-chart-children > .org-chart-node::before {
  content: "";
  position: absolute;
  top: calc(var(--space-xl) * -1);
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: var(--space-xl);
  background: var(--border);
}

.chain-of-command-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-sm);
}

.chain-of-command-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.chain-of-command-node {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) calc(var(--space-sm) + var(--space-xs) * 0.5);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: calc(var(--space-sm) + var(--space-xs));
  cursor: pointer;
}

.chain-of-command-node:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--text);
}

.chain-of-command-node:disabled {
  cursor: default;
  opacity: 0.9;
}

.chain-of-command-node--current {
  border-color: var(--accent);
  color: var(--text);
  font-weight: 600;
}

.chain-of-command-separator {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  /* Stats cards: drop to a 2x2 grid with tighter padding so they
     don't squeeze the labels off the card on narrow phones. */
  .agent-metrics-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
  }

  .agent-metric-card {
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
    min-width: 0;
  }

  .agent-metric-value {
    font-size: 16px;
  }

  .agent-metric-label {
    font-size: calc(var(--space-sm) + var(--space-xs) * 0.5);
  }

  .agent-org-chart {
    padding: var(--space-sm);
    padding-bottom: calc(var(--space-lg) + var(--space-sm));
    gap: var(--space-sm);
  }

  .agents-view-loading {
    min-height: calc(var(--space-2xl) * 4);
  }

  .org-chart-node {
    min-width: calc(var(--space-2xl) * 5);
  }

  .org-chart-node-card {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
  }

  .org-chart-node__name {
    font-size: var(--space-md);
  }

  .org-chart-node__badge {
    font-size: calc(var(--space-sm) + var(--space-xs) * 0.625);
  }
}


/* === AgentsView mobile header (cleaner stacked layout) ==================== */
@media (max-width: 768px) {
  /* Single-row header: hide the redundant "Agents" title (the icon + page
     context already make it obvious), and pack view-toggle + Controls + New
     Agent + Refresh into one no-wrap row. */
  .agents-view-header {
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
  }

  .agents-view-title {
    flex: 0 0 auto;
    gap: var(--space-xs);
    flex-wrap: wrap;
    white-space: nowrap;
    min-width: 0;
  }

  .agents-view-title h2 {
    font-size: 16px;
    white-space: nowrap;
  }

  /* Layout: title (Bot) on the left, view-toggle right after it, then the
     primary-actions group pinned to the far right of the row. The flex
     container grows to fill remaining space, and `space-between` separates
     the toggle (left side) from primary-actions (right side). */
  .agents-view-controls {
    flex: 1 1 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xs);
    min-width: 0;
  }

  /* View toggle (List/Board/Tree/Org) — keep the 32px pill chrome from the
     base styles. Inner buttons stay at the base 28×28 (centered in the 2px
     pill padding). All surrounding header icons below are sized to match
     that 28×28 inner footprint so every icon lines up with the view-toggle
     buttons. */
  .agents-view-controls .view-toggle {
    flex: 0 0 auto;
  }

  .agents-view-primary-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: nowrap;
    flex: 0 0 auto;
  }

  /* Controls button: icon-only on mobile, sized to match view-toggle buttons */
  .agent-controls-trigger {
    padding: 0;
    width: 28px;
    height: 28px;
    min-width: 28px;
    font-size: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* New Agent: icon-only on mobile, sized to match view-toggle buttons.
     Text is visually hidden via font-size: 0 (the SVG icon keeps its size). */
  .agents-view-primary-actions .btn-task-create {
    width: 28px;
    height: 28px;
    min-width: 28px;
    padding: 0;
    font-size: 0;
    gap: 0;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .agents-view-primary-actions .btn-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
  }

  /* Title row: keep Bot icon + "Agents" text on a single line so the
     view-toggle and primary actions get pushed to the right edge. */
  .agents-view-title {
    height: 32px;
    align-items: center;
  }

  /* Touch target for agent tree toggle */
  .agent-tree__toggle {
    min-width: 36px;
    min-height: 36px;
  }
}