/* UI Kit v1 — Base styles using tokens */
@import url('tokens.css');

html, body {
  margin: 0;
  padding: 0;
  background: var(--ui-color-bg);
  color: var(--ui-color-text);
  font-family: var(--ui-font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ui-focus-ring-color);
  border-radius: var(--ui-radius-1);
}

.ui-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--ui-space-6);
}

/* Utility Classes */
.ui-title--flush {
  margin-top: 0;
}

.ui-flex-center {
  display: flex;
  align-items: center;
  gap: var(--ui-space-2);
}

.ui-map-container {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  overflow: hidden;
}

.ui-mb-3 {
  margin-bottom: var(--ui-space-3);
}

/* Card */
.ui-card {
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  padding: var(--ui-space-5);
  box-shadow: var(--ui-shadow-subtle);
}

.ui-card h3 {
  margin: 0 0 var(--ui-space-3) 0;
  font-size: 16px;
  font-weight: 600;
}

.ui-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--ui-space-4);
  margin-bottom: var(--ui-space-5);
}

.ui-header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

/* Badge (also used for sidebar links) */
.ui-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ui-space-1) var(--ui-space-2);
  border-radius: 9999px;
  font-size: 13px;
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  color: var(--ui-color-text);
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), transform var(--ui-transition-fast);
}

.ui-badge:hover {
  background: var(--ui-hover-bg);
  border-color: var(--ui-hover-border);
  text-decoration: none;
}

.ui-badge:active {
  transform: translateY(1px);
}

/* Table */
.ui-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  overflow: hidden;
}

.ui-table th, .ui-table td {
  padding: var(--ui-space-3) var(--ui-space-4);
  border-bottom: 1px solid var(--ui-color-border);
  vertical-align: top;
}

.ui-table th {
  background: var(--ui-color-surface-2);
  text-align: left;
  color: var(--ui-color-muted);
  font-weight: 600;
  font-size: 13px;
}

.ui-table tr:last-child td {
  border-bottom: 0;
}

.ui-table tbody tr:hover td {
  background: color-mix(in srgb, var(--ui-color-surface) 85%, var(--ui-color-accent) 15%);
}

/* Key-Value Table variant */
.ui-table--kv {
  border: none;
  background: transparent;
}

.ui-table--kv th,
.ui-table--kv td {
  border-bottom: 1px solid var(--ui-color-border);
}

.ui-table--kv tr:last-child th,
.ui-table--kv tr:last-child td {
  border-bottom: 0;
}

.ui-table__label {
  width: 30%;
  min-width: 120px;
  background: transparent;
}

.ui-card__title {
  margin: 0 0 var(--ui-space-3) 0;
  font-size: 16px;
  font-weight: 600;
}

/* Alerts */
.ui-alert {
  padding: var(--ui-space-4);
  border-radius: var(--ui-radius-2);
  border: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
  box-shadow: var(--ui-shadow-subtle);
}

.ui-alert.success {
  border-color: color-mix(in srgb, var(--ui-color-success) 55%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-color-success) 12%, var(--ui-color-surface));
}

.ui-alert.warning {
  border-color: color-mix(in srgb, var(--ui-color-warning) 55%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-color-warning) 12%, var(--ui-color-surface));
}

.ui-alert.danger  {
  border-color: color-mix(in srgb, var(--ui-color-danger) 55%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-color-danger) 10%, var(--ui-color-surface));
}

/* Optional: small helper */
.ui-muted {
  color: var(--ui-color-muted);
  font-size: 13px;
}


/* -----------------------------
   Card grids (CardList / ProcessStatusCards)
------------------------------ */

.ui-card-grid {
  display: grid;
  gap: var(--ui-space-4);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 720px) {
  .ui-card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ui-card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ui-card-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Card item: reuse .UI-card but make it “tile-like” */
.ui-card-tile {
  padding: var(--ui-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-3);
}

.ui-card-tile:hover {
  border-color: var(--ui-hover-border);
  box-shadow: var(--ui-shadow-2);
}

/* Header row inside a tile */
.ui-card-tile__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-space-3);
}

.ui-card-tile__title {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.ui-card-tile__subtitle {
  margin: 2px 0 0 0;
  font-size: 13px;
  color: var(--ui-color-muted);
}

/* Body text (optional) */
.ui-card-tile__body {
  font-size: 13px;
  color: var(--ui-color-text);
  opacity: 0.95;
  line-height: 1.45;
}

/* Links list inside a status card */
.ui-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-2);
  margin-top: var(--ui-space-2);
}

.ui-card-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ui-space-1) var(--ui-space-2);
  border-radius: 9999px;
  border: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
  font-size: 13px;
  text-decoration: none;
}

.ui-card-links a:hover {
  background: var(--ui-hover-bg);
  border-color: var(--ui-hover-border);
}

/* Status badge variants - aliases to unified system */
.ui-badge.status { font-weight: 650; letter-spacing: 0.01em; }
.ui-badge.status.running,
.ui-process-card-status.status-RUNNING {
  border-color: color-mix(in srgb, var(--ui-status-active-color) 60%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-status-active-color) 12%, var(--ui-color-surface));
  color: color-mix(in srgb, var(--ui-status-active-color) 75%, var(--ui-color-text));
}
.ui-badge.status.stale,
.ui-process-card-status.status-STALE {
  border-color: color-mix(in srgb, var(--ui-status-stale-color) 60%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-status-stale-color) 12%, var(--ui-color-surface));
  color: color-mix(in srgb, var(--ui-status-stale-color) 75%, var(--ui-color-text));
}
.ui-badge.status.down,
.ui-process-card-status.status-DOWN {
  border-color: color-mix(in srgb, var(--ui-status-lost-color) 60%, var(--ui-color-border));
  background: color-mix(in srgb, var(--ui-status-lost-color) 10%, var(--ui-color-surface));
  color: color-mix(in srgb, var(--ui-status-lost-color) 75%, var(--ui-color-text));
}





/* -----------------------------
   Process Status Cards
   Markup: .UI-process-cards.cols-N > .UI-process-card ...
------------------------------ */

.ui-process-cards {
  display: grid;
  gap: var(--ui-space-4);
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 720px) {
  .ui-process-cards.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ui-process-cards.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ui-process-cards.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Card */
.ui-process-card {
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  padding: var(--ui-space-4);
  box-shadow: var(--ui-shadow-1);
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-3);
  transition: border-color var(--ui-transition-fast), box-shadow var(--ui-transition-fast), transform var(--ui-transition-fast);
}

.ui-process-card:hover {
  border-color: var(--ui-hover-border);
  box-shadow: var(--ui-shadow-2);
}

.ui-process-card:active {
  transform: translateY(1px);
}

/* Header row */
.ui-process-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-space-3);
}

.ui-process-card-title {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

/* Version */
.ui-process-card-version {
  margin: 0;
  font-size: 13px;
  color: var(--ui-color-muted);
}

/* Links */
.ui-process-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-2);
  margin-top: var(--ui-space-2);
}

.ui-process-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ui-space-1) var(--ui-space-2);
  border-radius: 9999px;
  border: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
  font-size: 13px;
  color: var(--ui-color-text);
  text-decoration: none;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), transform var(--ui-transition-fast);
}

.ui-process-card-link:hover {
  background: var(--ui-hover-bg);
  border-color: var(--ui-hover-border);
  text-decoration: none;
}

.ui-process-card-link:active {
  transform: translateY(1px);
}

/* Status badge base */
.ui-process-card-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--ui-space-1) var(--ui-space-2);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.02em;
  border: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
  color: var(--ui-color-text);
  white-space: nowrap;
}

/* Better focus */
.ui-process-card-link:focus-visible,
.ui-process-card:focus-within {
  outline: none;
  box-shadow: 0 0 0 3px var(--ui-focus-ring-color);
}




/* -----------------------------
   Buttons
------------------------------ */

.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ui-space-2);
  padding: var(--ui-space-2) var(--ui-space-3);
  border-radius: var(--ui-radius-2);
  border: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
  color: var(--ui-color-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition:
          background var(--ui-transition-fast),
          border-color var(--ui-transition-fast),
          box-shadow var(--ui-transition-fast),
          transform var(--ui-transition-fast);
}

.ui-btn:hover {
  background: var(--ui-hover-bg);
  border-color: var(--ui-hover-border);
  text-decoration: none;
}

.ui-btn:active {
  transform: translateY(1px);
}

.ui-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ui-focus-ring-color);
}

/* Variants */
.ui-btn.is-primary {
  background: var(--ui-color-accent);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-accent-fg);
}

.ui-btn.is-primary:hover {
  background: var(--ui-accent-pressed);
}

.ui-btn.is-danger {
  background: color-mix(in srgb, var(--ui-color-danger) 12%, var(--ui-color-surface));
  border-color: var(--ui-color-danger);
  color: var(--ui-color-danger);
}

.ui-btn.is-danger:hover {
  background: color-mix(in srgb, var(--ui-color-danger) 22%, var(--ui-color-surface));
}

.ui-btn.is-secondary {
  background: var(--ui-color-surface-2);
  border-color: var(--ui-color-border);
  color: var(--ui-color-muted);
}

.ui-btn.is-secondary:hover {
  background: var(--ui-color-surface);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

.ui-btn.is-loading {
  opacity: 0.7;
  cursor: wait;
  pointer-events: none;
}

.ui-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

.ui-btn.is-loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 6px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ui-spin 0.6s linear infinite;
}

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

.ui-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-3);
  margin: var(--ui-space-4) 0;
}
/* -----------------------------
   Forms
------------------------------ */

.ui-form {
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  padding: var(--ui-space-5);
  margin: var(--ui-space-5) 0;
}

.ui-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--ui-space-4);
}

.ui-form__field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ui-color-muted);
}

/* Inputs + Selects */
.ui-form__field input,
.ui-form__field select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  padding: var(--ui-space-2) var(--ui-space-3);
  font-size: 14px;
  color: var(--ui-color-text);
  transition:
          border-color var(--ui-transition-fast),
          box-shadow var(--ui-transition-fast),
          background var(--ui-transition-fast);
}

.ui-form__field input::placeholder {
  color: var(--ui-color-muted);
}

.ui-form__field input:focus,
.ui-form__field select:focus {
  outline: none;
  border-color: var(--ui-color-accent);
  box-shadow: 0 0 0 3px var(--ui-focus-ring-color);
  background: var(--ui-color-surface);
}

/* Select arrow */
.ui-form__field select {
  background-image:
          linear-gradient(45deg, transparent 50%, var(--ui-color-muted) 50%),
          linear-gradient(135deg, var(--ui-color-muted) 50%, transparent 50%);
  background-position:
          calc(100% - 18px) 50%,
          calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* Form actions */
.ui-form__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--ui-space-4);
}

.ui-card pre {
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-1);
  padding: var(--ui-space-4);
  font-size: 13px;
  overflow-x: auto;
}

/* -----------------------------
   Airspace Legend (Map Overlay)
------------------------------ */

.airspace-legend {
  position: absolute;
  top: var(--ui-space-3);
  right: var(--ui-space-3);
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  padding: var(--ui-space-3);
  font-size: 13px;
  box-shadow: var(--ui-shadow-2);
  z-index: 100;
  min-width: 140px;
}

.airspace-legend h4 {
  margin: 0 0 var(--ui-space-2);
  font-size: 14px;
  font-weight: 600;
  color: var(--ui-color-text);
}

.airspace-legend label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--ui-space-1);
  cursor: pointer;
  color: var(--ui-color-text);
}

.airspace-legend label:last-child {
  margin-bottom: 0;
}

.airspace-legend input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0;
  cursor: pointer;
}

.airspace-legend-color {
  flex-shrink: 0;
}

/* -----------------------------
   Details Panel (Right Sidebar)
------------------------------ */

.details-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--ui-color-surface);
  border-left: 1px solid var(--ui-color-border);
  overflow: hidden;
}

/* Empty State */
.details-panel-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--ui-space-6);
  text-align: center;
  color: var(--ui-color-muted);
}

.details-panel-empty svg {
  color: var(--ui-color-muted);
  opacity: 0.5;
  margin-bottom: var(--ui-space-4);
}

.details-panel-empty-title {
  margin: 0 0 var(--ui-space-2) 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ui-color-text);
}

.details-panel-empty-text {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-muted);
  max-width: 280px;
}

/* Loading State */
.details-panel-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--ui-space-6);
  color: var(--ui-color-muted);
}

.details-panel-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--ui-color-border);
  border-top-color: var(--ui-color-accent);
  border-radius: 50%;
  animation: details-panel-spin 0.8s linear infinite;
  margin-bottom: var(--ui-space-4);
}

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

.details-panel-loading-text {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-muted);
}

/* Populated State - Main Content */
.details-panel-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Header */
.details-panel-header {
  flex-shrink: 0;
  padding: var(--ui-space-4) var(--ui-space-4) 0;
}

.details-panel-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-space-3);
  padding-bottom: var(--ui-space-4);
}

.details-panel-object-info {
  flex: 1;
  min-width: 0;
}

.details-panel-object-name {
  margin: 0 0 var(--ui-space-2) 0;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ui-color-text);
  display: flex;
  align-items: center;
  gap: var(--ui-space-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.details-panel-edit-indicator {
  flex-shrink: 0;
  color: var(--ui-color-muted);
  opacity: 0.6;
  display: inline-flex;
  align-items: center;
  transition: opacity var(--ui-transition-fast);
}

.details-panel-edit-indicator:hover {
  opacity: 1;
}

.details-panel-type-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--ui-space-1) var(--ui-space-2);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.02em;
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  color: var(--ui-color-muted);
}

/* Action Buttons in Header */
.details-panel-actions {
  display: flex;
  gap: var(--ui-space-2);
  flex-shrink: 0;
}

.details-panel-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-1);
  background: var(--ui-color-surface-2);
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), color var(--ui-transition-fast);
}

.details-panel-action-btn:hover {
  background: var(--ui-color-surface);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

.details-panel-action-btn:active {
  transform: translateY(1px);
}

.details-panel-action-btn .star-filled {
  color: var(--ui-color-warning);
}

.details-panel-action-btn:hover .star-filled {
  color: var(--ui-color-warning);
}

/* Divider */
.details-panel-divider {
  height: 1px;
  background: var(--ui-color-border);
  margin: 0;
}

/* Scrollable Content Area */
.details-panel-scrollable {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--ui-space-4);
}

/* Custom scrollbar for webkit browsers */
.details-panel-scrollable::-webkit-scrollbar {
  width: 8px;
}

.details-panel-scrollable::-webkit-scrollbar-track {
  background: var(--ui-color-surface);
}

.details-panel-scrollable::-webkit-scrollbar-thumb {
  background: var(--ui-color-border);
  border-radius: 4px;
}

.details-panel-scrollable::-webkit-scrollbar-thumb:hover {
  background: var(--ui-color-muted);
}

/* Collapsible Sections */
.details-section {
  margin-bottom: var(--ui-space-4);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  background: var(--ui-color-surface-2);
}

.details-section:last-child {
  margin-bottom: 0;
}

.details-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ui-space-3) var(--ui-space-4);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--ui-transition-fast);
}

.details-section-header::-webkit-details-marker {
  display: none;
}

.details-section-header:hover {
  background: var(--ui-hover-bg);
}

.details-section-title {
  font-size: 14px;
  font-weight: 650;
  color: var(--ui-color-text);
  letter-spacing: -0.01em;
}

.details-section-chevron {
  transition: transform var(--ui-transition-fast);
  color: var(--ui-color-muted);
  flex-shrink: 0;
}

.details-section[open] .details-section-chevron {
  transform: rotate(0deg);
}

.details-section:not([open]) .details-section-chevron {
  transform: rotate(-90deg);
}

.details-section-content {
  padding: 0 var(--ui-space-4) var(--ui-space-3);
}

/* Key-Value List */
.details-kv-list {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-3);
}

.details-kv-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--ui-space-3);
  font-size: 13px;
}

.details-kv-key {
  color: var(--ui-color-muted);
  font-weight: 600;
  flex-shrink: 0;
  min-width: 90px;
}

.details-kv-value {
  color: var(--ui-color-text);
  font-family: var(--ui-font-mono);
  font-size: 13px;
  text-align: right;
  word-break: break-word;
}

.details-kv-muted {
  color: var(--ui-color-muted);
  font-size: 12px;
}

/* Footer Actions */
.details-panel-footer {
  flex-shrink: 0;
  display: flex;
  gap: var(--ui-space-2);
  padding: var(--ui-space-4);
  border-top: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface);
}

.details-panel-footer .ui-btn {
  flex: 1;
  font-size: 13px;
  padding: 8px 12px;
}

.details-panel-dropdown {
  position: relative;
}

.details-panel-dropdown-btn {
  flex: 1;
  min-width: auto;
}

/* Responsive behavior */
@media (max-width: 960px) {
  .details-panel {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: 320px;
    z-index: 1000;
    box-shadow: var(--ui-shadow-2);
  }
}

/* -----------------------------
   Object Card Component
------------------------------ */

.object-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--ui-space-3);
  padding: var(--ui-space-3) var(--ui-space-3);
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), box-shadow var(--ui-transition-fast);
  cursor: pointer;
  margin-bottom: var(--ui-space-2);
}

.object-card:hover {
  background: color-mix(in srgb, var(--ui-color-surface) 90%, var(--ui-color-accent) 10%);
  border-color: var(--ui-hover-border);
}

.object-card:hover .object-card__actions {
  opacity: 1;
  pointer-events: auto;
}

.object-card.is-selected {
  background: color-mix(in srgb, var(--ui-color-accent) 15%, var(--ui-color-surface));
  border-color: var(--ui-color-accent);
  box-shadow: 0 0 0 1px var(--ui-color-accent);
}

/* Star Icon */
.object-card__star {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.object-card__star-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: color var(--ui-transition-fast), transform var(--ui-transition-fast);
}

.object-card__star-btn:hover {
  color: var(--ui-color-warning);
  transform: scale(1.1);
}

.object-card__star-btn.is-starred {
  color: var(--ui-color-warning);
}

/* Content Area */
.object-card__content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-1);
}

.object-card__header {
  display: flex;
  align-items: center;
  gap: var(--ui-space-2);
  flex-wrap: wrap;
}

.object-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ui-color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.object-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  color: var(--ui-color-muted);
  flex-shrink: 0;
}

.object-card__badge.is-aircraft {
  background: color-mix(in srgb, var(--ui-color-accent) 12%, var(--ui-color-surface));
  border-color: color-mix(in srgb, var(--ui-color-accent) 40%, var(--ui-color-border));
  color: color-mix(in srgb, var(--ui-color-accent) 75%, var(--ui-color-text));
}

.object-card__badge.is-vessel {
  background: color-mix(in srgb, var(--ui-color-sea) 12%, var(--ui-color-surface));
  border-color: color-mix(in srgb, var(--ui-color-sea) 40%, var(--ui-color-border));
  color: color-mix(in srgb, var(--ui-color-sea) 75%, var(--ui-color-text));
}

.object-card__badge.is-ground {
  background: color-mix(in srgb, var(--ui-color-warning) 12%, var(--ui-color-surface));
  border-color: color-mix(in srgb, var(--ui-color-warning) 40%, var(--ui-color-border));
  color: color-mix(in srgb, var(--ui-color-warning) 75%, var(--ui-color-text));
}

.object-card__subtitle {
  font-size: 12px;
  color: var(--ui-color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Status Indicator */
.object-card__status {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.object-card__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ui-color-muted);
}

.object-card__status-dot.is-active {
  background: var(--ui-color-success);
  box-shadow: 0 0 8px color-mix(in srgb, var(--ui-color-success) 40%, transparent);
}

.object-card__status-dot.is-stale {
  background: var(--ui-color-warning);
}

.object-card__status-dot.is-inactive {
  background: var(--ui-color-danger);
}

/* Quick Actions (shown on hover) */
.object-card__actions {
  position: absolute;
  right: var(--ui-space-3);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: var(--ui-space-1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ui-transition-fast);
}

.object-card__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--ui-color-surface);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-1);
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), color var(--ui-transition-fast);
}

.object-card__action-btn:hover {
  background: var(--ui-color-surface-2);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

/* -----------------------------
   Object List Component
------------------------------ */

.object-list {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--ui-color-surface);
}

/* Header */
.object-list__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ui-space-3);
  padding: var(--ui-space-4);
  border-bottom: 1px solid var(--ui-color-border);
}

.object-list__title {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  color: var(--ui-color-text);
  letter-spacing: -0.01em;
}

/* Selection Count */
.object-list__selection-count {
  display: flex;
  align-items: center;
  gap: var(--ui-space-2);
  font-size: 13px;
}

.object-list__count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  background: var(--ui-color-accent);
  color: var(--ui-color-accent-fg);
  font-size: 12px;
  font-weight: 700;
  border-radius: 9999px;
}

.object-list__count-label {
  color: var(--ui-color-muted);
  font-weight: 600;
}

.object-list__clear-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: color var(--ui-transition-fast);
}

.object-list__clear-btn:hover {
  color: var(--ui-color-text);
}

/* Search Input */
.object-list__search {
  flex-shrink: 0;
  padding: var(--ui-space-3) var(--ui-space-4);
}

.object-list__search-input {
  position: relative;
  display: flex;
  align-items: center;
}

.object-list__search-icon {
  position: absolute;
  left: var(--ui-space-3);
  color: var(--ui-color-muted);
  pointer-events: none;
}

.object-list__search-field {
  width: 100%;
  padding: var(--ui-space-2) var(--ui-space-3) var(--ui-space-2) 36px;
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  font-size: 14px;
  color: var(--ui-color-text);
  transition: border-color var(--ui-transition-fast), box-shadow var(--ui-transition-fast);
}

.object-list__search-field::placeholder {
  color: var(--ui-color-muted);
}

.object-list__search-field:focus {
  outline: none;
  border-color: var(--ui-color-accent);
  box-shadow: 0 0 0 3px var(--ui-focus-ring-color);
}

/* Filter Chips */
.object-list__filters {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--ui-space-2);
  padding: 0 var(--ui-space-4) var(--ui-space-3);
  flex-wrap: wrap;
}

.object-list__filter-chips {
  display: flex;
  gap: var(--ui-space-2);
  flex-wrap: wrap;
}

.object-list__filter-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--ui-space-1) var(--ui-space-2) var(--ui-space-1) var(--ui-space-2);
  background: color-mix(in srgb, var(--ui-color-accent) 12%, var(--ui-color-surface));
  border: 1px solid color-mix(in srgb, var(--ui-color-accent) 40%, var(--ui-color-border));
  border-radius: 9999px;
  font-size: 12px;
  color: var(--ui-color-text);
}

.object-list__filter-chip-label {
  color: var(--ui-color-text);
}

.object-list__filter-chip-label strong {
  font-weight: 650;
  color: var(--ui-color-accent);
}

.object-list__filter-chip-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: color var(--ui-transition-fast);
}

.object-list__filter-chip-remove:hover {
  color: var(--ui-color-text);
}

.object-list__clear-filters-btn {
  padding: var(--ui-space-1) var(--ui-space-2);
  background: transparent;
  border: 1px solid var(--ui-color-border);
  border-radius: 9999px;
  font-size: 12px;
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), color var(--ui-transition-fast);
}

.object-list__clear-filters-btn:hover {
  background: var(--ui-color-surface-2);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

/* Scrollable Container */
.object-list__scroll-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 var(--ui-space-4);
}

.object-list__scroll-container::-webkit-scrollbar {
  width: 8px;
}

.object-list__scroll-container::-webkit-scrollbar-track {
  background: var(--ui-color-surface);
}

.object-list__scroll-container::-webkit-scrollbar-thumb {
  background: var(--ui-color-border);
  border-radius: 4px;
}

.object-list__scroll-container::-webkit-scrollbar-thumb:hover {
  background: var(--ui-color-muted);
}

.object-list__items {
  padding-top: var(--ui-space-2);
  padding-bottom: var(--ui-space-4);
}

/* Empty State */
.object-list__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ui-space-6);
  text-align: center;
  color: var(--ui-color-muted);
  min-height: 240px;
}

.object-list__empty-icon {
  color: var(--ui-color-muted);
  opacity: 0.4;
  margin-bottom: var(--ui-space-4);
}

.object-list__empty-message {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-muted);
}

/* Footer */
.object-list__footer {
  flex-shrink: 0;
  padding: var(--ui-space-3) var(--ui-space-4);
  border-top: 1px solid var(--ui-color-border);
  background: var(--ui-color-surface-2);
}

.object-list__count-text {
  font-size: 12px;
  color: var(--ui-color-muted);
  font-weight: 600;
}

/* -----------------------------
   Nav Rail Component
------------------------------ */

.nav-rail {
  display: flex;
  flex-direction: column;
  width: 64px;
  height: 100%;
  background: var(--ui-color-surface);
  border-right: 1px solid var(--ui-color-border);
  transition: width var(--ui-transition-slow);
}

.nav-rail.is-collapsed {
  width: 64px;
}

.nav-rail:not(.is-collapsed) {
  width: 240px;
}

.nav-rail.is-right {
  border-right: none;
  border-left: 1px solid var(--ui-color-border);
}

/* Navigation Items */
.nav-rail__items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-1);
  padding: var(--ui-space-3) var(--ui-space-2);
  overflow-y: auto;
}

.nav-rail__item-container {
  position: relative;
}

.nav-rail__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--ui-space-3);
  width: 100%;
  padding: var(--ui-space-2) var(--ui-space-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--ui-radius-2);
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), color var(--ui-transition-fast);
  text-align: left;
  overflow: hidden;
}

.nav-rail__item:hover {
  background: color-mix(in srgb, var(--ui-color-surface-2) 50%, var(--ui-color-accent) 50%);
  color: var(--ui-color-text);
}

.nav-rail__item.is-active {
  background: color-mix(in srgb, var(--ui-color-accent) 15%, var(--ui-color-surface));
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

/* Active Indicator */
.nav-rail__item-indicator {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--ui-color-accent);
  border-radius: 0 2px 2px 0;
}

/* Icon */
.nav-rail__item-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: currentColor;
}

/* Label (shown when expanded) */
.nav-rail__item-label {
  font-size: 14px;
  font-weight: 600;
  color: currentColor;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity var(--ui-transition-slow);
}

.nav-rail:not(.is-collapsed) .nav-rail__item-label {
  opacity: 1;
}

/* Badge */
.nav-rail__item-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  margin-left: auto;
  background: var(--ui-color-accent);
  color: var(--ui-color-accent-fg);
  font-size: 11px;
  font-weight: 700;
  border-radius: 9999px;
  opacity: 0;
  transition: opacity var(--ui-transition-slow);
}

.nav-rail:not(.is-collapsed) .nav-rail__item-badge {
  opacity: 1;
}

/* Spacer */
.nav-rail__spacer {
  flex: 1;
}

/* Toggle Button */
.nav-rail__toggle {
  flex-shrink: 0;
  padding: var(--ui-space-2);
  border-top: 1px solid var(--ui-color-border);
}

.nav-rail__toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-2);
  color: var(--ui-color-muted);
  cursor: pointer;
  transition: background var(--ui-transition-fast), border-color var(--ui-transition-fast), color var(--ui-transition-fast);
}

.nav-rail__toggle-btn:hover {
  background: var(--ui-color-surface-2);
  border-color: var(--ui-color-accent);
  color: var(--ui-color-text);
}

/* Tooltip for collapsed state */
.nav-rail.is-collapsed [data-tooltip] {
  position: relative;
}

.nav-rail.is-collapsed [data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + var(--ui-space-2));
  top: 50%;
  transform: translateY(-50%);
  padding: var(--ui-space-1) var(--ui-space-2);
  background: var(--ui-color-surface-2);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-1);
  color: var(--ui-color-text);
  font-size: 13px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--ui-transition-fast);
  z-index: 1000;
  box-shadow: var(--ui-shadow-2);
}

.nav-rail.is-collapsed [data-tooltip]:hover::after {
  opacity: 1;
}

/* Toast Notifications */
.ui-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--ui-space-3) var(--ui-space-5);
  border-radius: var(--ui-radius-1);
  z-index: 9999;
  max-width: 400px;
  color: var(--ui-color-accent-fg);
  font-size: 14px;
  animation: ui-toast-fade-in 0.3s ease;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.ui-toast--success {
  background: var(--ui-color-success);
}

.ui-toast--danger {
  background: var(--ui-color-danger);
}

.ui-toast--info {
  background: var(--ui-color-accent);
}

.ui-toast--fade {
  opacity: 0;
}

@keyframes ui-toast-fade-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
  display: none !important;
}

/* ========================================
   Admin Shell Layout
   ======================================== */

.ui-admin-shell {
  display: flex;
  gap: var(--ui-space-4);
}

.ui-admin-sidebar {
  width: 260px;
  padding: var(--ui-space-4);
  border-right: 1px solid var(--ui-color-border);
  position: sticky;
  top: 0;
  max-height: 100vh;
  overflow: auto;
}

.ui-admin-sidebar__title {
  font-size: 18px;
  margin: 0;
}

.ui-admin-sidebar__group {
  margin: var(--ui-space-3) 0 var(--ui-space-2);
  color: var(--ui-color-muted);
  font-weight: 600;
}

.ui-admin-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-2);
}

.ui-admin-main {
  flex: 1;
  padding: var(--ui-space-4);
}