:root {
  --bg-app-light: #e7ece6;
  --bg-app-dark: #141a17;
  --bg-panel-light: #f4f7f3;
  --bg-panel-dark: #1c2420;
  --bg-elev-light: #ffffff;
  --bg-elev-dark: #25302a;
  --bg-active-light: #1e3a2f;
  --bg-active-dark: #cbead8;
  --fg-active-light: #ffffff;
  --fg-active-dark: #0f2119;

  --fg-main-light: #151d19;
  --fg-main-dark: #e6efe9;
  --fg-muted-light: #46544d;
  --fg-muted-dark: #a2b3aa;
  --border-ui-light: #7c8d84;
  --border-ui-dark: #5c7066;
  --border-subtle-light: #c3cec8;
  --border-subtle-dark: #324039;
  --focus-ring-light: #0b57d0;
  --focus-ring-dark: #7cacf8;

  --scroll-thumb-light: #5c6d64;
  --scroll-thumb-dark: #889c91;
  --scroll-track-light: #dfe6e1;
  --scroll-track-dark: #18201c;

  --bg-app: var(--bg-app-light);
  --bg-panel: var(--bg-panel-light);
  --bg-elev: var(--bg-elev-light);
  --bg-active: var(--bg-active-light);
  --fg-active: var(--fg-active-light);
  --fg-main: var(--fg-main-light);
  --fg-muted: var(--fg-muted-light);
  --border-ui: var(--border-ui-light);
  --border-subtle: var(--border-subtle-light);
  --focus-ring: var(--focus-ring-light);
  --scroll-thumb: var(--scroll-thumb-light);
  --scroll-track: var(--scroll-track-light);

  color-scheme: light dark;
  scrollbar-width: auto;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-app: var(--bg-app-dark);
    --bg-panel: var(--bg-panel-dark);
    --bg-elev: var(--bg-elev-dark);
    --bg-active: var(--bg-active-dark);
    --fg-active: var(--fg-active-dark);
    --fg-main: var(--fg-main-dark);
    --fg-muted: var(--fg-muted-dark);
    --border-ui: var(--border-ui-dark);
    --border-subtle: var(--border-subtle-dark);
    --focus-ring: var(--focus-ring-dark);
    --scroll-thumb: var(--scroll-thumb-dark);
    --scroll-track: var(--scroll-track-dark);
  }
}

@supports (color: light-dark(white, black)) {
  :root {
    --bg-app: light-dark(var(--bg-app-light), var(--bg-app-dark));
    --bg-panel: light-dark(var(--bg-panel-light), var(--bg-panel-dark));
    --bg-elev: light-dark(var(--bg-elev-light), var(--bg-elev-dark));
    --bg-active: light-dark(var(--bg-active-light), var(--bg-active-dark));
    --fg-active: light-dark(var(--fg-active-light), var(--fg-active-dark));
    --fg-main: light-dark(var(--fg-main-light), var(--fg-main-dark));
    --fg-muted: light-dark(var(--fg-muted-light), var(--fg-muted-dark));
    --border-ui: light-dark(var(--border-ui-light), var(--border-ui-dark));
    --border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));
    --focus-ring: light-dark(var(--focus-ring-light), var(--focus-ring-dark));
    --scroll-thumb: light-dark(var(--scroll-thumb-light), var(--scroll-thumb-dark));
    --scroll-track: light-dark(var(--scroll-track-light), var(--scroll-track-dark));
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-app: var(--bg-app-dark);
  --bg-panel: var(--bg-panel-dark);
  --bg-elev: var(--bg-elev-dark);
  --bg-active: var(--bg-active-dark);
  --fg-active: var(--fg-active-dark);
  --fg-main: var(--fg-main-dark);
  --fg-muted: var(--fg-muted-dark);
  --border-ui: var(--border-ui-dark);
  --border-subtle: var(--border-subtle-dark);
  --focus-ring: var(--focus-ring-dark);
  --scroll-thumb: var(--scroll-thumb-dark);
  --scroll-track: var(--scroll-track-dark);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-app: var(--bg-app-light);
  --bg-panel: var(--bg-panel-light);
  --bg-elev: var(--bg-elev-light);
  --bg-active: var(--bg-active-light);
  --fg-active: var(--fg-active-light);
  --fg-main: var(--fg-main-light);
  --fg-muted: var(--fg-muted-light);
  --border-ui: var(--border-ui-light);
  --border-subtle: var(--border-subtle-light);
  --focus-ring: var(--focus-ring-light);
  --scroll-thumb: var(--scroll-thumb-light);
  --scroll-track: var(--scroll-track-light);
}

@supports not (scrollbar-color: auto) {
  *::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  *::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
  }
  *::-webkit-scrollbar-track {
    background: var(--scroll-track);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-app);
  color: var(--fg-main);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  line-height: 1.35;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.app-layout {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

/* Topbar */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 6px 10px;
  background: var(--bg-panel);
  border-block-end: 1px solid var(--border-ui);
}

.brand-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.app-title {
  margin: 0;
  font-size: clamp(0.92rem, 0.85rem + 0.25vw, 1.08rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.mode-tag {
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 1px 6px;
  border: 1px solid var(--border-ui);
  border-radius: 3px;
  color: var(--fg-muted);
  white-space: nowrap;
}

/* Classic SimCity RCI Demand Meter */
.rci-meter {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 7px;
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
}

.rci-caption {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
}

.rci-bars {
  display: flex;
  align-items: center;
  gap: 5px;
}

.rci-col {
  display: flex;
  align-items: center;
  gap: 2px;
}

.rci-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
}

.rci-r { color: #16a34a; }
.rci-c { color: #2563eb; }
.rci-i { color: #ca8a04; }

@media (prefers-color-scheme: dark) {
  .rci-r { color: #4ade80; }
  .rci-c { color: #60a5fa; }
  .rci-i { color: #facc15; }
}

.rci-track {
  position: relative;
  width: 9px;
  height: 24px;
  background: var(--bg-app);
  border: 1px solid var(--border-ui);
  border-radius: 2px;
  overflow: hidden;
}

.rci-track::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 50%;
  border-block-start: 1px solid var(--border-ui);
}

.rci-fill {
  position: absolute;
  inset-inline: 0;
  top: var(--bar-top, 50%);
  height: var(--bar-h, 2px);
}

.rci-fill-r { background: #22c55e; }
.rci-fill-c { background: #3b82f6; }
.rci-fill-i { background: #eab308; }

/* HUD Dry Metrics */
.hud-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 2px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

.stat-cell {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.stat-cell dt {
  font-size: 11px;
  color: var(--fg-muted);
}

.stat-cell dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
}

/* Horizontal Simulation Toolbar */
.sim-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin-inline-start: auto;
}

.ctrl-group {
  display: flex;
  align-items: center;
  gap: 3px;
}

.bar-sep {
  display: inline-block;
  block-size: 18px;
  margin-inline: 3px;
  border-inline-start: 1px solid var(--border-ui);
}

.bar-btn,
.mini-btn,
.mini-tab {
  appearance: none;
  min-inline-size: 28px;
  min-block-size: 26px;
  padding: 3px 8px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-main);
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}

.bar-btn[aria-pressed="true"],
.mini-tab[aria-pressed="true"],
.tool-btn[aria-pressed="true"] {
  background: var(--bg-active);
  color: var(--fg-active);
  border-color: var(--fg-main);
  box-shadow: inset 0 0 0 1px var(--fg-active);
}

@media (hover: hover) {
  .bar-btn:hover:not([aria-pressed="true"]),
  .mini-btn:hover,
  .mini-tab:hover:not([aria-pressed="true"]),
  .tool-btn:hover:not([aria-pressed="true"]) {
    background: var(--bg-app);
  }
}

/* Main Workspace */
.workspace {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr) 364px;
  min-height: 0;
}

/* Left Vertical Tool Palette */
.palette-rail {
  background: var(--bg-panel);
  border-inline-end: 1px solid var(--border-ui);
  padding: 8px 6px;
  overflow-y: auto;
}

.tool-palette {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.palette-sep {
  display: block;
  inline-size: 100%;
  margin-block: 3px;
  border-block-start: 1px solid var(--border-ui);
}

.tool-btn {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 6px;
  inline-size: 100%;
  min-inline-size: 28px;
  min-block-size: 30px;
  padding: 4px 6px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  text-align: start;
  color: var(--fg-main);
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
  cursor: pointer;
}

.compact-btn {
  min-block-size: 26px;
  padding-block: 2px;
}

.tool-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 22px;
  block-size: 20px;
  padding-inline: 3px;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.35);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
  color: #ffffff;
  forced-color-adjust: none;
}

.swatch-r { background: #15803d; }
.swatch-c { background: #1d4ed8; }
.swatch-i { background: #a16207; }
.swatch-road { background: #334155; }
.swatch-ave { background: #0f172a; border-color: #eab308; }
.swatch-rail { background: #57534e; }
.swatch-query { background: #4f46e5; }
.swatch-water { background: #0284c7; }
.swatch-doze { background: #b91c1c; }
.swatch-car { background: #0369a1; font-size: 10px; }
.swatch-neutral { background: #475569; font-size: 10px; }

.tool-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  padding: 0 4px;
  border: 1px solid currentColor;
  border-radius: 3px;
  opacity: 0.78;
}

@media (pointer: coarse) {
  .bar-btn,
  .mini-btn,
  .mini-tab,
  .tool-btn {
    min-inline-size: 38px;
    min-block-size: 38px;
  }
}

/* Center Canvas Stage */
.stage-wrap {
  display: flex;
  min-width: 0;
  min-height: 0;
  background: var(--bg-app);
}

.canvas-stage {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 520px;
}

#city-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

#city-canvas[hidden],
.canvas-hud-bottom[hidden],
.car1p-layer[hidden],
#car1p-hop-group[hidden],
#car1p-vehicle-picker[hidden] {
  display: none;
}

.car1p-layer {
  position: absolute;
  inset: 0;
  z-index: 4;
}

#car3d-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

#car3d-canvas:active {
  cursor: grabbing;
}

.car1p-top-row {
  position: absolute;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  inset-inline-end: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.car1p-top-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  width: fit-content;
  max-inline-size: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border-ui);
  border-radius: 5px;
  pointer-events: auto;
}

.car1p-vehicle-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  background: var(--bg-panel);
  border: 1px solid var(--border-ui);
  border-radius: 5px;
  pointer-events: auto;
}

.picker-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--fg-muted);
  white-space: nowrap;
}

.vehicle-select {
  inline-size: 238px;
  max-inline-size: 56vw;
  min-block-size: 26px;
  padding: 2px 6px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-main);
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
  cursor: pointer;
}

@media (pointer: coarse) {
  .vehicle-select {
    min-block-size: 38px;
  }
}

@media (pointer: fine) {
  @supports (appearance: base-select) {
    .vehicle-select,
    .vehicle-select::picker(select) {
      appearance: base-select;
    }

    .vehicle-select::picker(select) {
      background: var(--bg-elev);
      color: var(--fg-main);
      border: 1px solid var(--border-ui);
      border-radius: 5px;
      padding: 4px;
      max-block-size: min(320px, 60dvh);
    }

    .vehicle-select::picker-icon {
      color: var(--fg-muted);
    }

    .vehicle-select option {
      padding: 4px 8px;
      border-radius: 3px;
      color: var(--fg-main);
      font-size: 12px;
      cursor: pointer;
    }

    .vehicle-select option::checkmark {
      color: var(--fg-main);
    }

    @media (hover: hover) {
      .vehicle-select option:hover {
        background: var(--bg-app);
      }
    }
  }
}

.car1p-bottom-bar {
  position: absolute;
  inset-inline: 8px;
  inset-block-end: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.car1p-telemetry {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border-ui);
  border-radius: 5px;
  pointer-events: auto;
}

.speedo-block {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding-inline-end: 9px;
  border-inline-end: 1px solid var(--border-subtle);
  font-variant-numeric: tabular-nums;
}

.speedo-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
}

.speedo-unit {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--fg-muted);
}

.drive-pill {
  margin-inline-start: 4px;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border-ui);
  background: var(--bg-elev);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
}

.drive-pill.is-queued {
  border-color: #dc2626;
  color: #b91c1c;
}

@media (prefers-color-scheme: dark) {
  .drive-pill.is-queued {
    border-color: #f87171;
    color: #fca5a5;
  }
}

:root[data-theme="dark"] .drive-pill.is-queued {
  border-color: #f87171;
  color: #fca5a5;
}

.telemetry-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-inline-size: 0;
}

.telemetry-trip {
  font-weight: 700;
  font-size: 12px;
  white-space: nowrap;
}

.telemetry-road {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--fg-muted);
  white-space: nowrap;
}

.car1p-gps-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 4px 5px 5px;
  background: var(--bg-panel);
  border: 1px solid var(--border-ui);
  border-radius: 5px;
  pointer-events: auto;
}

.gps-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--fg-muted);
}

.gps-hint {
  font-weight: 500;
}

#car1p-minimap {
  display: block;
  width: 180px;
  height: 120px;
  border: 1px solid var(--border-ui);
  border-radius: 3px;
  cursor: pointer;
}

.canvas-hud-bottom {
  position: absolute;
  inset-inline: 8px;
  inset-block-end: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  pointer-events: none;
}

.cursor-pill,
.legend-strip {
  padding: 3px 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--fg-main);
}

.legend-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: inherit;
}

.leg-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.leg-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.4);
  forced-color-adjust: none;
}

.leg-free { background: #22c55e; }
.leg-mod { background: #eab308; }
.leg-heavy { background: #f97316; }
.leg-jam { background: #ef4444; }
.leg-sep { color: var(--fg-muted); }
.leg-hint { color: var(--fg-muted); }

/* Right Inspector & Bottleneck Ledger */
.inspector-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-panel);
  border-inline-start: 1px solid var(--border-ui);
}

.panel-section {
  padding: 8px 10px;
  border-block-end: 1px solid var(--border-subtle);
}

.ledger-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding-block-end: 6px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-block-end: 6px;
}

.section-head h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--fg-muted);
}

.mini-btn {
  min-block-size: 24px;
  padding: 1px 6px;
  font-size: 11px;
}

.ledger-tabs {
  display: flex;
  gap: 4px;
}

.mini-tab {
  min-block-size: 24px;
  padding: 2px 7px;
  font-size: 11px;
}

.cycle-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--fg-muted);
  white-space: nowrap;
}

.inspector-body {
  min-block-size: 132px;
  font-size: 12px;
}

.inspector-empty {
  margin: 0;
  color: var(--fg-muted);
}

.insp-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-block-end: 6px;
}

.insp-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.insp-title {
  font-weight: 700;
  font-size: 13px;
}

.insp-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-ui);
  background: var(--bg-elev);
}

.insp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 8px;
  margin: 0;
}

.insp-kv {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  padding: 2px 5px;
  background: var(--bg-elev);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
}

.insp-kv dt {
  color: var(--fg-muted);
  font-size: 11px;
}

.insp-kv dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
  font-size: 11px;
}

.insp-routes {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--fg-muted);
}

/* Sortable + Resizable Data Table */
.table-wrapper {
  flex: 1;
  min-height: 0;
  overflow: auto;
  max-inline-size: 100%;
  container-type: inline-size;
  background: var(--bg-elev);
  border: 1px solid var(--border-ui);
  border-radius: 4px;
}

.data-table {
  inline-size: 100%;
  min-inline-size: 290px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.data-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
  background: var(--bg-panel);
}

.data-table th,
.data-table td {
  padding: 4px 6px;
  border-block-end: 1px solid var(--border-subtle);
  border-inline-end: 1px solid var(--border-subtle);
  text-align: start;
}

.data-table th:last-child,
.data-table td:last-child {
  border-inline-end: none;
}

.data-table th {
  position: relative;
  background: var(--bg-panel);
  font-weight: 700;
  white-space: nowrap;
  user-select: none;
}

.data-table th:has(> .sort-btn) {
  padding: 0;
}

.sort-btn {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3px;
  inline-size: 100%;
  min-inline-size: 24px;
  min-block-size: 26px;
  padding: 4px 7px 4px 5px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-align: inherit;
}

.num-col,
.num-col .sort-btn {
  text-align: end;
}

.num-col .sort-btn {
  justify-content: flex-end;
}

.sort-glyph {
  font-size: 10px;
  line-height: 1;
  color: var(--fg-muted);
}

.data-table th:not([aria-sort]) .sort-glyph::before {
  content: "⇅";
}

.data-table th[aria-sort="ascending"] .sort-glyph::before {
  content: "▲";
  color: var(--fg-main);
}

.data-table th[aria-sort="descending"] .sort-glyph::before {
  content: "▼";
  color: var(--fg-main);
}

.col-hug {
  width: 1%;
  white-space: nowrap;
}

.col-wide {
  min-inline-size: 105px;
  white-space: nowrap;
}

.col-resizer {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  inline-size: 6px;
  cursor: col-resize;
  touch-action: none;
}

@media (hover: hover) {
  .col-resizer:hover {
    border-inline-end: 2px solid var(--focus-ring);
  }
}

.data-table tbody tr {
  cursor: pointer;
  view-transition-name: match-element;
}

@media (hover: hover) {
  .data-table tbody tr:hover {
    background: var(--bg-app);
  }
}

.data-table tbody tr.row-selected {
  background: var(--bg-app);
  outline: 1px solid var(--focus-ring);
  outline-offset: -1px;
}

.cell-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: nowrap;
}

.cell-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: end;
  white-space: nowrap;
}

.load-tag {
  display: inline-block;
  padding: 0 4px;
  border-radius: 3px;
  border: 1px solid var(--border-ui);
  font-weight: 700;
}

.load-jam {
  border-color: #dc2626;
  color: #b91c1c;
}

.load-heavy {
  border-color: #ea580c;
  color: #c2410c;
}

@media (prefers-color-scheme: dark) {
  .load-jam {
    border-color: #f87171;
    color: #fca5a5;
  }
  .load-heavy {
    border-color: #fb923c;
    color: #fdba74;
  }
}

/* Collapsible Rules Summary */
.panel-rules {
  padding: 6px 10px;
  font-size: 11.5px;
  border-block-start: 1px solid var(--border-subtle);
}

.panel-rules summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--fg-muted);
}

.rules-list {
  margin: 6px 0 2px;
  padding-inline-start: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--fg-main);
  max-block-size: 150px;
  overflow-y: auto;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none;
  }
}

/* Forced Colors Support */
@media (forced-colors: active) {
  .bar-btn[aria-pressed="true"],
  .mini-tab[aria-pressed="true"],
  .tool-btn[aria-pressed="true"] {
    background: Highlight;
    color: HighlightText;
    border-color: ButtonText;
  }

  .bar-sep,
  .palette-sep {
    border-color: ButtonText;
  }
}

/* Narrow Viewport Adaptation */
@media (max-width: 980px) {
  html,
  body {
    height: auto;
    min-height: 100dvh;
    overflow: auto;
  }

  .workspace {
    grid-template-columns: 128px minmax(0, 1fr);
    grid-template-rows: minmax(420px, 64dvh) auto;
  }

  .inspector-pane {
    grid-column: 1 / -1;
    border-inline-start: none;
    border-block-start: 1px solid var(--border-ui);
    max-block-size: 360px;
  }
}