/* === Header === */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--header-padding);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-wrapper {
  position: relative;
}

.header-floating-search {
  background: var(--surface);
  padding: var(--space-xs) var(--space-md) var(--space-sm);
  border: 1px solid var(--border);
  border-top: none;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.header-floating-search .header-search {
  width: 100%;
  max-width: none;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.header-logo {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--logo-accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
}

.quick-scripts-dropdown {
  position: relative;
}

.quick-scripts-dropdown__trigger {
  gap: var(--space-xs);
  width: auto;
  min-width: 28px;
  padding: 0 7px;
}

.quick-scripts-dropdown__trigger-chevron {
  color: currentColor;
  transition: transform var(--transition-fast);
}

.quick-scripts-dropdown__trigger-chevron.rotate {
  transform: rotate(180deg);
}

.quick-scripts-dropdown__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: min(320px, 72vw);
  min-width: 260px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  outline: none;
}

.quick-scripts-dropdown__loading,
.quick-scripts-dropdown__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 16px;
  text-align: center;
  color: var(--text-muted);
}

.quick-scripts-dropdown__empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--card);
  color: var(--text-muted);
}

.quick-scripts-dropdown__empty p {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.quick-scripts-dropdown__empty-action {
  min-height: 28px;
}

.quick-scripts-dropdown__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: min(360px, 60vh);
  overflow-y: auto;
}

.quick-scripts-dropdown__item,
.quick-scripts-dropdown__manage {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.quick-scripts-dropdown__item:hover,
.quick-scripts-dropdown__item.highlighted,
.quick-scripts-dropdown__manage:hover,
.quick-scripts-dropdown__manage.highlighted {
  background: var(--card);
}

.quick-scripts-dropdown__item-icon,
.quick-scripts-dropdown__manage svg {
  flex-shrink: 0;
  color: var(--text-muted);
}

.quick-scripts-dropdown__item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.quick-scripts-dropdown__item-name {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
}

.quick-scripts-dropdown__item-command {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-scripts-dropdown__footer {
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.quick-scripts-dropdown__manage {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

.quick-scripts-dropdown__manage span {
  flex: 1;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  width: 28px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius-md);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}
.btn-icon svg {
  stroke: currentColor;
}
@media (hover: hover) {
  .btn-icon:hover {
    color: var(--text);
    background: var(--border);
  }
}
.btn-icon:focus-visible {
  box-shadow: var(--focus-ring-strong);
  outline: none;
}
.btn-icon:active {
  opacity: 0.7;
}
.btn-icon--terminal {
  position: relative;
}

.btn-icon--terminal:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-icon--terminal:disabled:hover {
  color: var(--text-muted);
  background: none;
}

.btn-icon--active {
  color: var(--text);
  background: var(--border);
  border-color: var(--todo);
}

.btn-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--in-progress);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon--paused {
  color: var(--triage);
}
@media (hover: hover) {
  .btn-icon--paused:hover {
    color: var(--triage);
  }
}
.btn-icon--stopped {
  color: var(--color-error);
}
@media (hover: hover) {
  .btn-icon--stopped:hover {
    color: var(--color-error);
  }
}

/* Split-button for engine controls */
.engine-control-split-btn {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--radius-md);
}

.engine-control-split-btn__main {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.engine-control-split-btn__chevron {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  min-width: 28px;
  padding: 0;
}

.engine-control-split-btn__divider {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
}

.engine-control-split-btn__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 160px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 200;
  overflow: hidden;
}

.engine-control-split-btn__menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.engine-control-split-btn__menu-item:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.engine-control-split-btn__menu-item:focus-visible {
  background: var(--card-hover);
  box-shadow: var(--focus-ring-strong);
  color: var(--text);
  outline: none;
}

@media (hover: hover) {
  .engine-control-split-btn__menu-item:not(:disabled):hover {
    background: var(--card-hover);
    color: var(--text);
  }
}

.engine-control-split-btn__menu-item--active {
  color: var(--triage);
}

@media (hover: hover) {
  .engine-control-split-btn__menu-item--active:not(:disabled):hover {
    color: var(--triage);
  }
}

/* Header badge for active sessions */
.btn-icon--has-indicator {
  position: relative;
}

.header-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--triage);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  pointer-events: none;
  box-sizing: border-box;
}

.header-badge--pulse {
  animation: header-badge-pulse 2s ease-in-out infinite;
}

@keyframes header-badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.mobile-overflow-item--has-indicator {
  position: relative;
}

.mobile-overflow-icon-wrapper {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

/* Node Selector */
.header-node-selector {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-right: var(--space-sm);
}

.node-selector-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.node-selector-trigger:hover {
  color: var(--text);
  background: var(--card-hover);
}

.node-selector-trigger--open {
  color: var(--todo);
  background: var(--card-hover);
}

.node-selector-chevron {
  transition: transform var(--transition-fast);
}

.node-selector-chevron--open {
  transform: rotate(90deg);
}

.node-selector-dropdown {
  position: absolute;
  top: calc(100% + var(--space-xs));
  left: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs);
  z-index: 100;
}

.node-selector-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.node-selector-option:hover {
  background: var(--card-hover);
}

.node-selector-option--active {
  background: var(--card);
  color: var(--todo);
}

.node-selector-option-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.node-selector-option-dot--local {
  background: var(--color-success);
}

.node-selector-option-dot--online {
  background: var(--color-success);
}

.node-selector-option-dot--offline {
  background: var(--color-error);
}

.node-selector-option-dot--connecting {
  background: var(--triage);
  animation: node-connecting-pulse 1s ease-in-out infinite;
}

.node-selector-option-dot--error {
  background: var(--color-error);
}

@keyframes node-connecting-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.node-selector-option-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-selector-option-status {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  text-transform: capitalize;
}

/* Node Status Indicator */
.node-status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.node-status-indicator--local {
  background: var(--state-active-bg);
  color: var(--state-active-text);
}

.node-status-indicator--remote {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

.node-status-indicator__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.node-status-indicator__dot--online {
  background: var(--color-success);
}

.node-status-indicator__dot--offline {
  background: var(--color-error);
}

.node-status-indicator__dot--connecting {
  background: var(--triage);
  animation: node-connecting-pulse 1s ease-in-out infinite;
}

.node-status-indicator__dot--error {
  background: var(--color-error);
}

.node-status-indicator__spinner {
  display: block;
  width: 6px;
  height: 6px;
  border: 1px solid var(--triage);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.node-status-indicator__label {
  font-weight: 500;
}

.node-status-indicator__name {
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-status-indicator__details {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  text-transform: capitalize;
}

/* View Toggle */
.view-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px;
  box-sizing: border-box;
  position: relative;
}

.view-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-radius var(--transition-fast), box-shadow var(--transition-fast);
}

.view-toggle-btn:hover {
  color: var(--text);
  background: var(--card-hover);
}
.view-toggle-btn:focus-visible {
  box-shadow: var(--focus-ring-strong);
  outline: none;
}

.view-toggle-btn.active {
  background: var(--todo);
  color: var(--bg);
  border-radius: var(--radius-md);
}

.view-toggle-btn.active:hover {
  background: var(--todo);
  color: var(--bg);
}

/* === View Toggle Overflow Dropdown === */
.view-toggle-overflow-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-xs);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 140px;
  z-index: 200;
  padding: var(--space-xs) 0;
}
.view-toggle-overflow-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: all var(--transition-fast);
}
.view-toggle-overflow-item:hover {
  background: var(--card-hover);
  color: var(--text);
}
.view-toggle-overflow-item.active {
  color: var(--todo);
}

/* Desktop Overflow Menu */
.desktop-overflow-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-xs);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 140px;
  z-index: 200;
  padding: var(--space-xs) 0;
}

/* Header Search */
.header-search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  min-width: 160px;
  max-width: 280px;
  height: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 8px;
  box-sizing: border-box;
  transition: border-color var(--transition-fast);
}

.header-search:focus-within {
  border-color: var(--todo);
}

.header-search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.header-search-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  min-width: 0;
}

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

.header-search-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.header-search-clear:hover {
  color: var(--text);
  background: var(--border);
}

/* === Compact Overflow Menu (mobile + tablet) === */
/* Styles for the overflow menu used on mobile and tablet viewports.
   Visibility is controlled by React rendering, not CSS display. */
.compact-overflow-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-overflow-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 12px;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-overflow-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px 12px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.mobile-overflow-item:hover {
  background: var(--card);
}

.mobile-overflow-item svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Terminal submenu in overflow */
.mobile-overflow-group {
  display: flex;
  flex-direction: column;
}

.mobile-overflow-split-row {
  display: flex;
  flex-direction: row;
  align-items: stretch;
}

.mobile-overflow-split-primary {
  flex: 1;
  min-width: 0;
}

.mobile-overflow-split-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 10px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mobile-overflow-split-toggle:hover {
  background: var(--card);
}

.mobile-overflow-chevron {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.mobile-overflow-chevron--open {
  transform: rotate(90deg);
}

.mobile-overflow-submenu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: var(--space-md);
}

.mobile-overflow-subitem {
  padding-left: 28px;
}

.mobile-overflow-submenu-loading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 12px 8px 28px;
  color: var(--text-muted);
  font-size: 12px;
}

.mobile-overflow-subitem--manage {
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 2px;
  padding-top: 8px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--logo-accent);
}

@media (max-width: 768px) {
  /* Reduce header padding to reclaim horizontal space */
  .header {
    padding: var(--space-md);
    padding-left: max(var(--space-md), env(safe-area-inset-left, 0px));
    padding-right: max(var(--space-md), env(safe-area-inset-right, 0px));
    padding-top: max(var(--space-md), env(safe-area-inset-top, 0px));
  }

  /* Mobile: floating search must respect safe-area-inset to stay on-screen */
  .header-floating-search {
    padding-left: max(var(--space-md), env(safe-area-inset-left, 0px));
    padding-right: max(var(--space-md), env(safe-area-inset-right, 0px));
  }

  /* Mobile view toggle in header — compact 2-button board/list switcher */
  .header-actions > .view-toggle {
    height: 32px;
    gap: 2px;
    padding: 2px;
  }

  .header-actions > .view-toggle .view-toggle-btn {
    width: 28px;
    height: 28px;
    min-width: unset;
    min-height: unset;
  }

  /* Touch targets for header controls */
  .view-toggle-btn,
  .header-search-clear {
    min-width: 36px;
    min-height: 36px;
  }

  /* Overflow menu and overflow split-toggle touch targets */
  .mobile-overflow-item,
  .mobile-overflow-split-toggle {
    min-height: 36px;
  }

  .engine-control-split-btn__main,
  .engine-control-split-btn__chevron {
    min-width: 36px;
    min-height: 36px;
  }

  /* Mobile header: collapsible search trigger */
  .mobile-search-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Mobile search expanded — inside header-floating-search container */
  .mobile-search-expanded {
    width: 100%;
  }

  /* Mobile: compact node label, no dropdown */
  .header-node-selector--mobile {
    margin-right: var(--space-xs);
    cursor: default;
  }

  .header-node-selector--mobile .node-status-indicator {
    font-size: 11px;
    padding: 2px var(--space-xs);
  }

  .header-node-selector--mobile .node-status-indicator__name {
    max-width: 80px;
    font-weight: 400;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  /* Reduce header padding slightly to reclaim horizontal space */
  .header {
    padding: var(--space-md) var(--space-lg);
  }

  /* Compact search: narrower than desktop */
  .header-search {
    max-width: 200px;
    min-width: 120px;
  }
}