:root {
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --color-bg: #0b0d0f;
  --color-card: #15191c;
  --color-border: #2d333b;

  --color-text: #ffffff;
  --color-text-muted: #8b949e;
  --color-text-dark: #484f58;

  --color-primary: #2f81f7;
  --color-primary-dim: rgba(47, 129, 247, 0.15);

  --color-success: #238636;
  --color-success-dim: rgba(35, 134, 54, 0.15);

  --color-warning: #d29922;
  --color-warning-dim: rgba(210, 153, 34, 0.15);

  --color-error: #f85149;
  --color-error-dim: rgba(248, 81, 73, 0.15);

  --color-info: #a371f7;
  --color-info-dim: rgba(163, 113, 247, 0.15);

  --color-state-working: #f97316;
  --color-state-thinking: #a371f7;
  --color-state-waiting: #8b949e;
  --color-state-done: #238636;
  --color-state-error: #f85149;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
}

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

body {
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow: hidden;
  /* Desktop app feel */
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border: 2px solid var(--color-bg);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-dark);
}

/* For Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg);
}

/* ─── Layout ─── */
.app-layout {
  display: flex;
  height: 100vh;
}

/* ─── Sidebar ─── */
.sidebar {
  width: 240px;
  height: 100vh;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 100;
}

.sidebar-header {
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  gap: 10px;
}

.brand-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-info));
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav.sidebar-nav-compact {
  flex: 0 0 auto;
}

.sidebar-sessions {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
}

/* Force session panel to fit inside the 240px app sidebar */
#sessionSidebarContainer {
  width: 100% !important;
  max-width: 100% !important;
  flex: 1 1 0 !important;
  min-height: 0 !important;
  overflow: hidden !important;
}

#sessionSidebarContainer > .ss-toggle-btn {
  display: none !important;
}

#sessionSidebarContainer > .ss-browser {
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
}

#sessionSidebarContainer .ss-header {
  padding: 6px 12px;
}

#sessionSidebarContainer .ss-list {
  padding: 4px 6px;
}

.nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 12px 0 4px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  width: 100%;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
}

.nav-item.active {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
}

.github-link {
  margin-left: auto;
  color: var(--color-text-muted);
  opacity: 0.6;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
}

.github-link:hover {
  opacity: 1;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-dark);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.5);
}

.status-dot.connected {
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success-dim);
}

.status-dot.disconnected {
  background: var(--color-error);
  box-shadow: 0 0 8px var(--color-error-dim);
}

/* ─── Main Content Area ─── */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #090b0d;
  /* Slightly darker than sidebar for depth */
}



.disconnect-banner {
  background: var(--color-error-dim);
  border-bottom: 1px solid var(--color-error);
  color: #ff7b72;
  text-align: center;
  padding: 8px;
  font-size: 0.8rem;
  font-weight: 500;
}

.scroll-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Overview: fill available space */
.scroll-container.no-scroll {
  overflow: hidden !important;
  display: flex;
  flex-direction: column;
}

.scroll-container.no-scroll #officeView.active {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.scroll-container.no-scroll #officeView .kpi-grid {
  flex-shrink: 0;
}

.scroll-container.no-scroll #officeView .office-layout-v3 {
  flex: 1;
  min-height: 0;
}

/* ─── Grid & Panels ─── */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.kpi-card {
  padding: 12px 16px;
}

.kpi-title {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.kpi-value.blue {
  color: var(--color-primary);
}

.kpi-value.green {
  color: var(--color-success);
}

.kpi-value.purple {
  color: var(--color-info);
}

.kpi-value.orange {
  color: #f97316;
}

.office-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 12px;
  height: calc(100vh - 140px);
  min-height: 460px;
}

@media (max-width: 1100px) {
  .office-layout {
    grid-template-columns: 1fr;
  }
}

/* ─── V3 Layout: 2-column (3:1), canvas full-height ─── */
.office-layout-v3 {
  display: grid;
  grid-template-columns: 3fr 1fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "canvas tabs"
    "canvas convo";
  gap: 8px;
  height: calc(100vh - 140px);
  min-height: 500px;
  margin-bottom: 12px;
}

.layout-canvas {
  grid-area: canvas;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.layout-tabs {
  grid-area: tabs;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.layout-conversation {
  grid-area: convo;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* ─── Tab System ─── */
.tab-header {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.01);
  flex-shrink: 0;
}

.tab-btn {
  flex: 1;
  padding: 8px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

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

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
}

.tab-pane {
  display: none;
  position: absolute;
  inset: 0;
  overflow: auto;
}

.tab-pane.active {
  display: block;
}

.tab-pane > div {
  height: 100%;
}

@media (max-width: 900px) {
  .office-layout-v3 {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "canvas"
      "tabs"
      "convo";
    height: auto;
  }
  .layout-canvas { min-height: 300px; }
  .layout-tabs { min-height: 300px; }
  .layout-conversation { min-height: 250px; }
}

.panel-header {
  padding: 9px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.01);
}

.panel-header-badge {
  background: var(--color-success-dim);
  color: var(--color-success);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
}

.panel-body {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Specific scroll behavior for Agent Roster */
.agent-roster-panel .panel-body {
  max-height: 100%;
}

/* Office Canvas Panel */
.office-canvas-panel .panel-body {
  padding: 0;
  background: #050709;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  /* show whole canvas without internal scrolls */
  overflow: visible;
}

#office-canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Agent List Panel */
.agent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.standby-state {
  text-align: center;
  color: var(--color-text-dark);
  margin-top: 40px;
  font-size: 0.8rem;
}

/* Modern Agent Card */
.mc-agent-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s;
}

.mc-agent-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.mc-agent-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.mc-agent-name {
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mc-type-badge {
  background: var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.mc-type-badge.main {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

.mc-agent-status {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.mc-agent-status.working {
  background: var(--color-working-dim, rgba(249, 115, 22, 0.1));
  border-color: rgba(249, 115, 22, 0.2);
  color: var(--color-state-working);
}

.mc-agent-status.thinking {
  background: var(--color-info-dim);
  border-color: rgba(163, 113, 247, 0.2);
  color: var(--color-state-thinking);
}

.mc-agent-status.waiting {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-muted);
}

.mc-agent-activity {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mc-agent-activity .hl {
  color: var(--color-text);
}

.mc-agent-metrics {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
}

.mc-metric-val {
  font-family: var(--font-mono);
  color: var(--color-text);
  font-weight: 500;
}

/* ─── Context Gauge (approximate) ─── */
.mc-context-gauge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  opacity: 0.7;
  padding-top: 6px;
}

.mc-context-gauge .ctx-label {
  font-family: var(--font-mono);
  font-style: italic;
  color: var(--color-text-dark);
  white-space: nowrap;
}

.mc-context-gauge .ctx-track {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.mc-context-gauge .ctx-fill {
  height: 100%;
  border-radius: 2px;
  background: repeating-linear-gradient(
    90deg,
    currentColor 0px,
    currentColor 3px,
    transparent 3px,
    transparent 5px
  );
  transition: width 0.4s ease;
}

.mc-context-gauge .ctx-fill.ctx-low { color: var(--color-primary); }
.mc-context-gauge .ctx-fill.ctx-mid { color: var(--color-warning); }
.mc-context-gauge .ctx-fill.ctx-high { color: var(--color-error); }

.mc-context-gauge .ctx-val {
  font-family: var(--font-mono);
  font-style: italic;
  color: var(--color-text-dark);
  min-width: 28px;
  text-align: right;
}

/* ─── Heatmap / History ─── */
.heatmap-panel {
  padding: 24px;
}

.heatmap-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
}

.heatmap-stats-row {
  display: flex;
  gap: 32px;
}

.hm-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hm-stat-val {
  font-size: 1.5rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.hm-stat-lbl {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.heatmap-container-scroll {
  overflow-x: auto;
  padding-bottom: 16px;
}

.heatmap-grid {
  display: grid;
  grid-template-rows: auto repeat(7, 14px);
  grid-auto-columns: 14px;
  grid-auto-flow: column;
  gap: 4px;
  width: max-content;
}

.hm-month-lbl {
  font-size: 0.65rem;
  color: var(--color-text-dark);
  grid-row: 1;
  align-self: end;
  padding-bottom: 4px;
}

.hm-day-lbl {
  font-size: 0.6rem;
  color: var(--color-text-dark);
  text-align: right;
  line-height: 14px;
  padding-right: 6px;
}

.hm-cell {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  cursor: crosshair;
  background: #161b22;
  outline: 1px solid rgba(255, 255, 255, 0.02);
  outline-offset: -1px;
}

.hm-cell:hover {
  outline: 1px solid var(--color-text-muted);
  z-index: 2;
}

.hm-cell.l1 {
  background: #0e4429;
}

.hm-cell.l2 {
  background: #006d32;
}

.hm-cell.l3 {
  background: #26a641;
}

.hm-cell.l4 {
  background: #39d353;
}

/* Tooltip */
.mc-tooltip {
  position: fixed;
  background: rgba(21, 25, 28, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  color: #fff;
  font-size: 0.75rem;
  pointer-events: none;
  z-index: 9999;
  display: none;
  box-shadow: var(--shadow-md);
  min-width: 200px;
}

.mc-tooltip .tt-head {
  color: var(--color-text-muted);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 6px;
}

.mc-tooltip .tt-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}

.mc-tooltip .tt-val {
  font-family: var(--font-mono);
  font-weight: 500;
}

/* ─── Usage Charts ─── */
.usage-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.usage-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  cursor: pointer;
}

.usage-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 600;
}

.chart-box {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding-top: 20px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.chart-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  position: relative;
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  border-radius: 4px 4px 0 0;
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.chart-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
}

.chart-bar.tokens {
  background: var(--color-primary);
}

.chart-bar.cost {
  background: var(--color-warning);
}

.chart-val {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.chart-lbl {
  font-size: 0.65rem;
  margin-top: 8px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* ─── Agent Timeline (Gantt) ─── */
.mc-timeline {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

.mc-timeline-seg {
  min-width: 2px;
  height: 100%;
  transition: flex-grow 0.3s ease;
}

/* ─── Office Popover ─── */
.office-popover {
  position: fixed;
  z-index: 10000;
  background: rgba(21, 25, 28, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  color: #fff;
  font-size: 0.78rem;
  box-shadow: var(--shadow-md);
  min-width: 240px;
  max-width: 320px;
  display: none;
  pointer-events: auto;
}

.office-popover .pop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.office-popover .pop-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.office-popover .pop-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  color: var(--color-text-muted);
}

.office-popover .pop-val {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text);
}

.office-popover .pop-session-btn {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 6px 0;
  background: var(--color-info, #a371f7);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.office-popover .pop-session-btn:hover {
  background: #c4a5f7;
}

/* ─── Model Breakdown ─── */
.model-breakdown {
  margin-top: 24px;
}

.model-breakdown .mb-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.model-bar-container {
  display: flex;
  height: 24px;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 12px;
}

.model-seg {
  height: 100%;
  transition: flex-grow 0.4s ease;
  position: relative;
  min-width: 2px;
}

.model-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 0.75rem;
}

.model-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
}

.model-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.model-legend-val {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text);
}

/* ─── PiP Placeholder ─── */
.office-canvas-panel .panel-body {
  position: relative;
}

.pip-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #0a0c0f;
  z-index: 10;
}

.pip-placeholder-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pip-placeholder-btn {
  padding: 8px 18px;
  font-size: 0.75rem;
  font-family: var(--font-ui);
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.pip-placeholder-btn:hover {
  background: #1e2328;
}

/* ─── PiP Toggle Button ─── */
.pip-toggle-btn {
  margin-left: auto;
  margin-right: 8px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.pip-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
}

.pip-toggle-btn.active {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
  color: var(--color-primary);
}