/* Hallmark · genre: modern-minimal · macrostructure: Workbench · design-system: design.md · designed-as-app
 * pre-emit critique: P5 H5 E4 S5 R5 V4
 */
html, body { overflow-x: clip; }
body { margin: 0; }
*, *::before, *::after { box-sizing: border-box; }
/* The hidden attribute must win over component display rules (grid/flex) on every surface. */
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
html { background: var(--color-paper); }
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select, textarea { font: inherit; }
button, a, select, input, textarea { -webkit-tap-highlight-color: transparent; }
button, .btn, header a, .nav a, .workspace-nav a { white-space: nowrap; }
button:focus-visible, .btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

header {
  display: flex;
  align-items: center;
  height: var(--header-height);
  min-height: var(--header-height);
  padding-inline: var(--space-sm);
  gap: var(--space-xs);
  background: var(--color-paper-2);
  border-bottom: var(--rule) solid var(--color-rule);
}
header > strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 680;
  letter-spacing: -0.015em;
  min-width: 0;
  overflow-wrap: anywhere;
}
header > small { color: var(--color-ink-3); font-size: var(--text-xs); }
.nav, .workspace-nav { display: flex; align-items: center; gap: var(--space-2xs); margin-inline-start: auto; }
.nav a, .workspace-nav a {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-2);
  background: transparent;
  border: var(--rule) solid transparent;
  border-radius: var(--radius-input);
  padding: 0 var(--space-xs);
  font-size: var(--text-xs);
  font-weight: 620;
  text-decoration: none;
  transition: color var(--dur-short), background var(--dur-short), border-color var(--dur-short);
}
.nav a:hover, .workspace-nav a:hover { color: var(--color-ink); background: var(--color-paper-3); border-color: var(--color-rule); }
.nav a.active, .workspace-nav a.active {
  color: var(--color-ink);
  background: var(--color-accent-soft);
  border-color: color-mix(in oklch, var(--color-accent) 40%, var(--color-rule));
}
.tag {
  color: var(--color-ink-3);
  background: transparent;
  border: var(--rule) solid var(--color-rule);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}
.storage-switch {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-2);
  background: var(--color-paper-3);
  border: var(--rule) solid var(--color-rule-strong);
  border-radius: var(--radius-input);
  padding: 0 var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 650;
  text-decoration: none;
}
.storage-switch::before { content: ""; width: .45rem; height: .45rem; margin-inline-end: .45rem; border-radius: 50%; background: var(--color-accent); }
.storage-switch[data-storage-mode="browser"]::before { background: var(--color-ink-3); }
.storage-switch::after { content: "⇄"; margin-inline-start: .45rem; color: var(--color-ink-3); }
.storage-switch:hover { color: var(--color-ink); border-color: var(--color-accent); background: var(--color-accent-soft); }
.storage-switch[data-storage-mode="server"] { color: var(--color-accent); border-color: color-mix(in oklch, var(--color-accent) 48%, var(--color-rule)); }

.btn {
  min-height: 2.125rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xs);
  border: var(--rule) solid var(--color-rule-strong);
  border-radius: var(--radius-input);
  background: var(--color-paper-3);
  color: var(--color-ink);
  padding: 0.45rem 0.7rem;
  font-weight: 610;
  box-shadow: none;
  transition: background var(--dur-short), border-color var(--dur-short), color var(--dur-short), transform var(--dur-short);
}
.btn:hover { background: var(--color-surface-raised); border-color: var(--color-ink-3); }
.btn:active { transform: translateY(1px); }
.btn.active, .btn.primary, .tool.active {
  color: var(--color-ink);
  background: var(--color-accent-soft);
  border-color: color-mix(in oklch, var(--color-accent) 46%, var(--color-rule));
}
.btn.danger { color: var(--color-danger); background: transparent; border-color: color-mix(in oklch, var(--color-danger) 34%, var(--color-rule)); }
.btn.danger:hover { color: var(--color-ink); background: var(--color-danger-soft); }
.btn:disabled { opacity: 0.42; cursor: not-allowed; transform: none; }
.btn.compact, .compact { min-height: 1.875rem; padding: 0.3rem 0.55rem; font-size: var(--text-xs); }

input, select, textarea {
  border: var(--rule) solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  color: var(--color-ink);
  padding: 0.52rem 0.625rem;
  box-shadow: none;
}
input:hover, select:hover, textarea:hover { border-color: var(--color-rule-strong); }
input[type="color"] { min-height: 2.25rem; padding: 0.25rem; }
input[type="range"] { accent-color: var(--color-accent); }
::placeholder { color: var(--color-ink-3); }

.panel, #mapPanel {
  background: var(--color-paper-2);
  color: var(--color-ink);
  scrollbar-color: var(--color-rule-strong) transparent;
}
.panel.left, #mapPanel { border-inline-end: var(--rule) solid var(--color-rule); }
.panel.right { border-inline-start: var(--rule) solid var(--color-rule); }
.section { border-bottom-color: var(--color-rule); }
h1, h2, h3 { color: var(--color-ink); font-style: normal; letter-spacing: -0.012em; }
h1 { font-size: var(--text-xl); }
h2 { font-size: var(--text-md); font-weight: 680; }
h3 { font-size: var(--text-sm); font-weight: 670; }
.hint, .intro, .empty, .inspector-empty, .mini, .field label { color: var(--color-ink-3); }
.field label, .mini { letter-spacing: 0.045em; }
.status, #dbStatus {
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  font-size: 0.625rem;
}
.recovery-banner { background: var(--color-danger-soft); border-bottom-color: var(--color-danger); }

.layout { grid-template-columns: var(--sidebar-left) minmax(0, 1fr) var(--sidebar-right); min-height: 0; }
.layout > * { min-height: 0; height: 100%; }
.center { min-width: 0; background: var(--color-canvas-frame); }
.maker-head {
  min-height: auto;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-paper-2);
  border-bottom: var(--rule) solid var(--color-rule);
}
.maker-head h1 { margin: 0; }
.maker-head .toolbar {
  width: 100%;
  min-width: 0;
  display: flex;
  gap: var(--space-2xs);
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  padding-block: var(--space-3xs);
  scrollbar-width: thin;
}
.maker-head .toolbar > * { flex: 0 0 auto; }
.arrange-controls, .history-controls, .zoom-controls, .export-controls {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  padding-inline-start: var(--space-2xs);
  border-inline-start: var(--rule) solid var(--color-rule);
}
.plan-frame { padding: var(--space-sm); background: var(--color-canvas-frame); }
.plan-shell {
  border: var(--rule) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-paper);
  box-shadow: none;
}
.plan-foot { color: var(--color-ink-3); background: var(--color-paper-2); border-top-color: var(--color-rule); font-family: var(--font-mono); }
.plan-viewport, #planViewport { background-color: var(--color-paper); background-image: none; }
.asset-card, .asset-item, .marker-card { background: var(--color-paper); border-color: var(--color-rule); border-radius: var(--radius-card); }
.asset-card:hover, .asset-item:hover, .asset-item.active, .marker-card:hover, .marker-card.active { border-color: var(--color-accent); background: var(--color-paper-3); }

#viewerWrap, .viewer-stage, #panoramaStage { background: var(--color-canvas-frame); }
.viewer-toolbar, .toolbar,
.viewer-toolbar .btn, .viewer-toolbar select,
.toolbar .btn, .toolbar select,
.compass {
  border-color: var(--color-rule);
  background: var(--color-paper-2);
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}
#sceneInfo, .detail, .viewer-placeholder {
  background: color-mix(in oklch, var(--color-paper-2) 94%, transparent);
  border-color: var(--color-rule);
  color: var(--color-ink);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.detail, #sceneInfo, .viewer-toolbar { box-shadow: 0 0.75rem 2rem color-mix(in oklch, black 28%, transparent); }
.panorama-hotspot { outline-color: var(--color-accent); }
#viewerWrap .toolbar, #viewerWrap #sceneInfo {
  transition: opacity 180ms ease, transform 180ms ease;
}
#viewerWrap.presentation-idle .toolbar { opacity: 0; transform: translateY(-0.45rem); pointer-events: none; }
#viewerWrap.presentation-idle #sceneInfo { opacity: 0; transform: translateY(0.45rem); pointer-events: none; }
.panorama-loading {
  position: absolute;
  z-index: 8;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0.45rem 0.65rem;
  border: var(--rule) solid var(--color-rule);
  border-radius: var(--radius-control);
  background: var(--color-paper-2);
  color: var(--color-ink-2);
  font-size: var(--text-xs);
  pointer-events: none;
}
.panorama-loading[hidden] { display: none; }
#viewerWrap .panorama-hotspot {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.86);
  transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
}
#viewerWrap .panorama-hotspot.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#viewerWrap .panorama-hotspot.is-visible:hover,
#viewerWrap .panorama-hotspot.is-visible:focus-visible { transform: translate(-50%, -50%) scale(1.12); }
.snap-toggle { display: inline-flex; align-items: center; gap: var(--space-3xs); white-space: nowrap; color: var(--color-ink-2); font-size: 0.6875rem; }
.snap-toggle input { width: auto; accent-color: var(--color-accent); }
.align-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3xs); margin-top: var(--space-xs); }
.inline-text-editor { position: absolute; z-index: 4; resize: both; min-width: 3rem; min-height: 2rem; padding: 0.25rem; border: 2px solid var(--color-accent); border-radius: var(--radius-control); background: var(--color-paper); color: var(--color-ink); font: inherit; line-height: 1.2; box-shadow: 0 0.5rem 1.5rem color-mix(in oklch, black 28%, transparent); }
.inline-text-editor:focus { outline: 2px solid color-mix(in oklch, var(--color-accent) 55%, transparent); outline-offset: 2px; }
.privacy-check { display: flex; align-items: center; gap: var(--space-3xs); margin-top: var(--space-xs); color: var(--color-ink-2); font-size: 0.6875rem; }
.privacy-check input { width: auto; accent-color: var(--color-accent); }
.job-progress { display: grid; gap: var(--space-3xs); margin-top: var(--space-xs); padding: var(--space-xs); border: var(--rule) solid var(--color-rule); border-radius: var(--radius-card); background: var(--color-paper-2); }
.job-progress-head { display: flex; justify-content: space-between; gap: var(--space-xs); font: 0.625rem var(--font-mono); color: var(--color-ink-2); }
.job-progress progress { width: 100%; height: 0.45rem; accent-color: var(--color-accent); }

@media (pointer: coarse) {
  .btn, .nav a, .workspace-nav a, .storage-switch, input, select, textarea { min-height: 2.75rem; }
  .compact, .btn.compact { min-height: 2.75rem; min-width: 2.75rem; }
}

@media (min-width: 48rem) {
  .panel { padding: var(--space-sm); }
}

@media (min-width: 60rem) {
  .layout { grid-template-columns: var(--sidebar-left) minmax(0, 1fr) var(--sidebar-right); }
  .layout { height: calc(100dvh - var(--header-height)); }
  .maker-head { display: block; padding-block: var(--space-2xs); }
  .maker-head > div:first-child { display: flex; align-items: baseline; gap: var(--space-xs); min-width: 0; }
  .maker-head > div:first-child .hint { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .maker-head .toolbar { margin-top: var(--space-2xs); }
}

@media (min-width: 90rem) {
  :root { --sidebar-left: 18rem; --sidebar-right: 21rem; }
}

@media (max-width: 59.999rem) {
  body { overflow-y: auto; }
  header { height: auto; min-height: var(--header-height); flex-wrap: wrap; padding-block: var(--space-2xs); }
  header > small { display: none; }
  /* One swipeable row of surfaces instead of a three-row grid that pushed the stage below the fold. */
  .nav, .workspace-nav { order: 3; width: calc(100% + 2 * var(--space-sm)); margin: 0 calc(-1 * var(--space-sm)); padding: 0 var(--space-sm) var(--space-3xs); display: flex; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; overscroll-behavior-x: contain; }
  .nav::-webkit-scrollbar, .workspace-nav::-webkit-scrollbar { display: none; }
  .nav a, .workspace-nav a { flex: 0 0 auto; }
  .tag { display: none; }
  .storage-switch { order: 2; margin-inline-start: auto; }
  .layout { height: auto; display: flex; flex-direction: column; }
  .layout .center { order: 1; min-height: 64svh; }
  .layout .left { order: 2; }
  .layout .right { order: 3; }
  .panel { overflow: visible; border: 0 !important; border-top: var(--rule) solid var(--color-rule) !important; }
  .maker-head { align-items: stretch; }
  .toolbar { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: var(--space-3xs); scrollbar-width: thin; }
  .arrange-controls, .history-controls, .zoom-controls, .export-controls { flex: 0 0 auto; }
  .plan-frame { padding: var(--space-2xs); }
}

@media (max-width: 30rem) {
  body { font-size: 0.78rem; }
  header { padding-inline: var(--space-2xs); }
  .nav, .workspace-nav { width: calc(100% + 2 * var(--space-2xs)); margin: 0 calc(-1 * var(--space-2xs)); padding-inline: var(--space-2xs); }
  .nav a, .workspace-nav a { padding-inline: var(--space-xs); font-size: 0.6875rem; }
  .maker-head { padding: var(--space-2xs); }
  .maker-head .hint { display: none; }
  #viewerWrap > .toolbar { width: auto; left: var(--space-2xs); right: var(--space-2xs); display: grid; grid-template-columns: auto minmax(0, 1fr) auto; overflow: visible; }
  #viewerWrap > .toolbar select { min-width: 0; width: 100%; }
  .viewer-toolbar { max-width: calc(100% - 1rem); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* GUI refinement: spatial fieldwork studio, not a generic dashboard kit. */
html { background: var(--color-paper); }
body { font-family: var(--font-body); letter-spacing: -0.004em; }

header {
  background: var(--color-paper);
  border-bottom-color: var(--color-rule-strong);
}
header > strong { font-family: var(--font-display); letter-spacing: -0.035em; }
.nav, .workspace-nav { align-items: stretch; }
.nav a, .workspace-nav a {
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  padding-inline: var(--space-2xs);
  color: var(--color-ink-3);
}
.nav a:hover, .workspace-nav a:hover {
  border-color: var(--color-rule-strong);
  background: transparent;
  color: var(--color-ink);
}
.nav a.active, .workspace-nav a.active {
  border-color: var(--color-accent);
  background: transparent;
  color: var(--color-ink);
}
.tag {
  border: 0;
  border-inline-start: 2px solid var(--color-accent);
  border-radius: 0;
  background: transparent;
  padding: 0.25rem 0.5rem;
  color: var(--color-ink-3);
}

.btn {
  border-radius: var(--radius-input);
  background: var(--color-paper-3);
  border-color: var(--color-rule-strong);
  letter-spacing: -0.01em;
}
.btn:hover { background: var(--color-surface-raised); border-color: var(--color-ink-3); }
.btn.primary {
  background: var(--color-accent-soft);
  border-color: color-mix(in oklch, var(--color-accent) 52%, var(--color-rule));
  color: var(--color-accent);
}
.btn.active, .tool.active { background: var(--color-accent-soft); border-color: var(--color-accent); }
input, select, textarea { border-radius: var(--radius-input); }

.panel, #mapPanel { background: var(--color-paper-2); }
.panel .section {
  padding-block: var(--space-sm);
  border-bottom-color: var(--color-rule);
}
.panel .section:first-child { padding-top: 0; }
.panel .section > h2, .panel .section > h3 {
  padding-bottom: var(--space-2xs);
  border-bottom: 1px solid var(--color-rule);
}
.panel .hint { max-width: 34rem; }
.status, #dbStatus { color: var(--color-ink-2); }

#appMain.shell { grid-template-columns: minmax(18rem, 20rem) minmax(0, 1fr); }
#mapPanel { padding: var(--space-md); }
.plan-shell { border-radius: var(--radius-card); }
.plan-viewport, #planViewport { border-radius: var(--radius-card); }
.asset-card, .asset-item, .marker-card {
  border-radius: 0;
  background: transparent;
  border-inline: 0;
  border-block-color: var(--color-rule);
}
.asset-card:hover, .asset-item:hover, .asset-item.active, .marker-card:hover, .marker-card.active {
  background: var(--color-paper-3);
  border-block-color: var(--color-accent);
}

#viewerWrap .viewer-toolbar,
#viewerWrap > .toolbar {
  border-radius: var(--radius-card);
  box-shadow: none;
  padding: 0.25rem;
}
#sceneInfo, .detail, .viewer-placeholder {
  border-radius: var(--radius-card);
  box-shadow: none;
}
#sceneInfo { border-inline-start: 2px solid var(--color-accent); }
.detail-head { border-bottom-color: var(--color-rule); }
.panorama-loading { border-radius: var(--radius-input); box-shadow: none; }

/* Dashboard: real workspace decisions, represented as a metric strip and two rails. */
.dashboard {
  max-width: none;
  margin: 0;
  padding: clamp(var(--space-sm), 3vw, var(--space-xl));
  gap: 0;
}
.dashboard .hero {
  align-items: flex-start;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-rule-strong);
}
.dashboard .hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.055em;
}
.dashboard .hero p { max-width: 48rem; color: var(--color-ink-2); }
.dashboard .hero-actions { align-items: center; }
.dashboard .cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-block: var(--space-md) var(--space-lg);
  border-block: 1px solid var(--color-rule);
}
.dashboard .cards .card {
  min-height: 7rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: var(--space-sm) var(--space-md);
}
.dashboard .cards .card:first-child { padding-inline-start: 0; }
.dashboard .cards .card + .card { border-inline-start: 1px solid var(--color-rule); }
.dashboard .kpi-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--color-ink-3);
}
.dashboard .kpi-value { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; letter-spacing: -0.055em; }
.dashboard .kpi-detail { color: var(--color-ink-3); }
.dashboard .grid-two {
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
  gap: 0;
  border-bottom: 1px solid var(--color-rule);
}
.dashboard .search-card, .dashboard .grid-two > .card {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0 var(--space-lg) var(--space-lg) 0;
}
.dashboard .grid-two > .card { border-inline-start: 1px solid var(--color-rule); padding-inline: var(--space-lg) 0; }
.dashboard .search-head { padding-bottom: var(--space-xs); border-bottom: 1px solid var(--color-rule); }
.dashboard .search-form { gap: var(--space-2xs); }
.dashboard .result { border-radius: 0; border-inline: 0; border-block-color: var(--color-rule); }
.dashboard > .card:last-child {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: var(--space-md) 0 0;
}
.dashboard > .card:last-child .hero-actions { gap: var(--space-md); }
.dashboard > .card:last-child .btn { background: transparent; border: 0; border-bottom: 1px solid var(--color-rule-strong); border-radius: 0; padding-inline: 0; }
.dashboard > .card:last-child .btn:hover { border-color: var(--color-accent); background: transparent; }
.command-palette { border-radius: var(--radius-card); border-color: var(--color-rule-strong); background: var(--color-paper-2); box-shadow: 0 1rem 3rem color-mix(in oklch, black 35%, transparent); }

/* Map Maker: the command rail is a tool strip, not a second card wall. */
.maker-head { background: var(--color-paper); border-bottom-color: var(--color-rule-strong); }
.maker-head h1 { font-size: clamp(1.1rem, 2vw, 1.45rem); }
.maker-head .hint { color: var(--color-ink-3); }
.maker-head .toolbar .btn { background: transparent; border-color: transparent; }
.maker-head .toolbar .btn:hover { background: var(--color-paper-3); border-color: var(--color-rule); }
.maker-head .toolbar .btn.active, .maker-head .toolbar .tool.active { background: var(--color-accent-soft); border-color: var(--color-accent); }
.plan-foot { letter-spacing: 0.02em; }

@media (max-width: 59.999rem) {
  .nav, .workspace-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard .cards .card { padding-inline: var(--space-xs); }
  .dashboard .cards .card:nth-child(odd) { padding-inline-start: 0; }
  .dashboard .cards .card + .card { border-inline-start: 0; }
  .dashboard .cards .card:nth-child(even) { border-inline-start: 1px solid var(--color-rule); }
  .dashboard .grid-two { display: block; }
  .dashboard .search-card, .dashboard .grid-two > .card { padding-inline: 0; }
  .dashboard .grid-two > .card { border-inline-start: 0; border-top: 1px solid var(--color-rule); padding-top: var(--space-md); }
}

@media (max-width: 30rem) {
  .dashboard { padding: var(--space-sm); }
  .dashboard .hero { display: block; }
  .dashboard .hero-actions { margin-top: var(--space-sm); }
  .dashboard .cards .card { min-height: 6rem; padding-block: var(--space-xs); }
  .dashboard .kpi-value { font-size: 1.45rem; }
}

/* Panorama DB */
.backup-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3xs); }
.backup-actions .btn { width: 100%; min-width: 0; }
.upload-button { width: 100%; min-height: 2.5rem; }
@media (max-width: 59.999rem) {
  /* An empty viewer should not push the panorama list below the fold. */
  body:has(#viewerPlaceholder:not(.hidden)) #viewerWrap { min-height: 13.75rem; }
}

/* Map Maker command rail */
.maker-head .toolbar { gap: var(--space-3xs); scrollbar-width: none; }
.maker-head .toolbar::-webkit-scrollbar { display: none; }
.maker-head .toolbar .icon-tool { min-width: 2.125rem; padding-inline: 0; font-size: 1rem; line-height: 1; }
.maker-head .toolbar .rail-group { padding-inline-start: var(--space-3xs); }
.maker-head .snap-toggle { display: inline-flex; align-items: center; gap: .3rem; padding-inline: var(--space-2xs); color: var(--color-ink-2); font-size: var(--text-xs); }
.maker-head > div:first-child .export-controls { margin-inline-start: auto; border-inline-start: 0; padding-inline-start: 0; flex: 0 0 auto; }
.export-label, .selection-actions-label { color: var(--color-ink-3); font-family: var(--font-mono); font-size: .625rem; text-transform: uppercase; letter-spacing: .06em; }
.selection-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3xs); margin-bottom: var(--space-xs); }
.selection-actions .arrange-controls { padding-inline-start: 0; border-inline-start: 0; }
.selection-actions .arrange { min-width: 2rem; }
.selection-actions #deleteSelected { margin-inline-start: auto; }
.plan-shell .compass { right: 10px; top: 10px; width: 64px; height: 64px; background: color-mix(in oklch, var(--color-paper-2) 82%, transparent); backdrop-filter: none; border-color: var(--color-rule-strong); box-shadow: 0 4px 14px #0007; opacity: .92; }
.plan-shell .compass .compass-label { font-size: 9px; }
.plan-shell .compass .compass-n { top: 5px; }
.plan-shell .compass .compass-e { right: 6px; }
.plan-shell .compass .compass-s { bottom: 5px; }
.plan-shell .compass .compass-w { left: 6px; }
.plan-shell .compass .compass-arrow { border-left-width: 6px; border-right-width: 6px; border-bottom-width: 20px; }
.plan-shell .compass small { display: none; }
@media (min-width: 60rem) {
  .maker-head > div:first-child h1 { flex: 0 1 auto; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .maker-head > div:first-child .hint { flex: 1 1 0; min-width: 0; }
}

/* Native file inputs that stay visible get the same affordance as buttons. */
input[type="file"] { color: var(--color-ink-3); font-size: var(--text-xs); }
input[type="file"]::file-selector-button { margin-inline-end: var(--space-xs); padding: .35rem .7rem; border: var(--rule) solid var(--color-rule-strong); border-radius: var(--radius-control); background: var(--color-paper-3); color: var(--color-ink); font: 600 var(--text-xs) var(--font-body); cursor: pointer; }
input[type="file"]::file-selector-button:hover { background: var(--color-surface-raised); }

/* Touch targets stay at least 44px for the compact Map Maker controls. */
@media (pointer: coarse) { .maker-head .toolbar .icon-tool, .selection-actions .arrange { min-width: 2.75rem; } }
@media (max-width: 47.999rem) { .plan-shell .compass { width: 44px; height: 44px; right: 6px; top: 6px; } .plan-shell .compass .compass-label { font-size: 7px; } .plan-shell .compass .compass-arrow { border-left-width: 4px; border-right-width: 4px; border-bottom-width: 14px; } }

/* Panorama DB: filter (grade) panel */
.grade-panel { display: grid; gap: var(--space-xs); }
.grade-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-xs); }
.grade-head h2 { margin: 0; }
.grade-state { color: var(--color-ink-3); font: 600 var(--text-xs) var(--font-mono); text-align: right; }
.grade-state[data-dirty="true"] { color: var(--color-accent); }
.grade-presets { display: flex; flex-wrap: wrap; gap: var(--space-3xs); }
.grade-chip { min-height: 2rem; padding: 0 .7rem; border: var(--rule) solid var(--color-rule-strong); border-radius: var(--radius-pill); background: transparent; color: var(--color-ink-2); font-size: var(--text-xs); cursor: pointer; }
.grade-chip:hover { color: var(--color-ink); border-color: var(--color-ink-3); }
.grade-chip[aria-pressed="true"] { color: var(--color-accent-ink); background: var(--color-accent); border-color: var(--color-accent); }
.grade-group { border-top: var(--rule) solid var(--color-rule); padding-top: var(--space-2xs); }
.grade-group summary { display: flex; align-items: center; min-height: 2rem; color: var(--color-ink-2); font: 700 var(--text-xs) var(--font-mono); letter-spacing: .12em; text-transform: uppercase; cursor: pointer; }
.grade-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 2px var(--space-2xs); margin-block: var(--space-3xs); }
.grade-row label { color: var(--color-ink-3); font-size: var(--text-xs); cursor: default; user-select: none; }
.grade-row.is-changed label { color: var(--color-ink); }
.grade-row output { color: var(--color-ink-2); font: 600 .6875rem var(--font-mono); }
.grade-row input[type="range"] { grid-column: 1 / -1; width: 100%; min-height: 1.5rem; margin: 0; padding: 0; border: 0; background: transparent; }
.grade-actions { display: grid; gap: var(--space-3xs); }
.grade-actions .btn { width: 100%; }
@media (pointer: coarse) { .grade-chip { min-height: 2.75rem; } .grade-row input[type="range"] { min-height: 2.75rem; } }