:root {
  color-scheme: light;
  --ink: oklch(0.22 0 0);
  --ink-2: oklch(0.47 0 0);
  --rule: oklch(0.77 0 0);
  --paper: oklch(0.97 0 0);
  --paper-2: oklch(0.94 0 0);
  --accent: oklch(0.55 0.14 250);
  --warning: oklch(0.52 0.15 35);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ink: oklch(0.95 0 0);
    --ink-2: oklch(0.63 0 0);
    --rule: oklch(0.37 0 0);
    --paper: oklch(0.18 0 0);
    --paper-2: oklch(0.22 0 0);
    --accent: oklch(0.72 0.12 250);
    --warning: oklch(0.72 0.13 50);
  }
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.35;
}

button, input, select { font: inherit; }

a { color: inherit; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.masthead p {
  margin: 4px 0 0;
  max-width: 760px;
  color: var(--ink-2);
  font-size: 0.9rem;
}

.masthead > a {
  color: var(--ink-2);
  font-size: 0.8rem;
}

.controls {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(250px, 1.8fr) minmax(180px, 1.2fr) 92px 92px;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.field {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.field > span {
  color: var(--ink-2);
  font-size: 0.72rem;
  line-height: 1;
}

.field.is-unavailable {
  position: relative;
}

.field.is-unavailable::after {
  content: attr(data-unavailable);
  position: absolute;
  right: 1px;
  bottom: 1px;
  left: 1px;
  display: flex;
  align-items: center;
  height: 34px;
  padding: 0 9px;
  border-radius: 1px;
  color: var(--ink-2);
  background: var(--paper);
  font-size: 0.8rem;
  pointer-events: none;
}

select,
input {
  width: 100%;
  min-width: 0;
  height: 36px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0 9px;
  color: var(--ink);
  background: var(--paper);
  outline: none;
}

select:focus,
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

[hidden] { display: none !important; }

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(260px, 0.85fr);
  gap: 24px;
  padding: 22px 0 18px;
  align-items: start;
}

.sensor-panel,
.rig-panel { margin: 0; }

.sensor-frame {
  width: 100%;
  background: var(--paper-2);
  border: 1px solid var(--rule);
}

#sensor-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 58vh;
}

.sensor-bg { fill: var(--paper-2); }
.sensor-border { fill: none; stroke: var(--ink); stroke-width: 0.12; vector-effect: non-scaling-stroke; }
.object-outline { stroke-width: 0.14; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.preview-banana { fill: #ffdb58; stroke: #d1b000; }
.preview-quarter { fill: #9ca3af; stroke: #4b5563; }
.preview-rice { fill: #f5f5dc; stroke: #a16207; }
.preview-target { fill: #808080; stroke: #4b5563; }
.preview-tardigrade { fill: #a2b96a; stroke: #000; stroke-width: 3; stroke-linejoin: round; }
.preview-tardigrade-detail { fill: none; stroke: #000; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.image-circle-vignette { fill: url(#image-circle-vignette); }
.image-circle-line { fill: none; stroke: rgb(255 255 255 / 65%); stroke-width: 0.12; stroke-dasharray: 0.5 0.35; vector-effect: non-scaling-stroke; }

.sensor-panel figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 7px;
  color: var(--ink-2);
  font-size: 0.74rem;
}

#object-legend { text-align: right; }

.readout {
  border-top: 1px solid var(--ink);
}

.primary-results,
.secondary-results { margin: 0; }

.primary-results > div,
.secondary-results > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
}

.primary-results > div { padding: 10px 0; }
.secondary-results > div { padding: 6px 0; }

dt {
  color: var(--ink-2);
  font-size: 0.8rem;
}

dt small { font-size: 0.68rem; }

dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.primary-results dd {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.status {
  min-height: 1.2em;
  margin: 10px 0 0;
  color: var(--warning);
  font-size: 0.76rem;
}

.rig-panel {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 6px 0;
  overflow: hidden;
}

#rig-svg {
  display: block;
  width: 100%;
  height: 92px;
}

.rig-line { stroke: var(--ink-2); stroke-width: 1; vector-effect: non-scaling-stroke; }
.rig-dashed { stroke-dasharray: 5 4; }
.rig-block { fill: var(--paper-2); stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.rig-text { fill: var(--ink); font: 12px system-ui, sans-serif; }
.rig-text-muted { fill: var(--ink-2); font: 11px system-ui, sans-serif; }

.details {
  border-bottom: 1px solid var(--rule);
}

.details summary {
  cursor: pointer;
  padding: 12px 0;
  color: var(--ink-2);
  font-size: 0.82rem;
  user-select: none;
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.2fr);
  gap: 28px;
  padding: 0 0 18px;
}

.notes {
  color: var(--ink-2);
  font-size: 0.76rem;
}

.notes p { margin: 0 0 8px; }

.magnification-picker {
  padding: 12px 1px 5px;
}

.magnification-picker-heading,
.magnification-scale {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.magnification-picker-heading {
  align-items: baseline;
  margin-bottom: 9px;
}

.magnification-picker-heading label {
  font-size: 0.86rem;
  font-weight: 600;
}

#magnification-target {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.magnification-slider {
  display: block;
  width: 100%;
  height: 20px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
  cursor: pointer;
}

.magnification-slider:focus {
  border: 0;
  box-shadow: none;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.magnification-scale {
  margin-top: 2px;
  color: var(--ink-2);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.magnification-match {
  display: grid;
  gap: 5px;
  min-height: 52px;
  margin-top: 9px;
}

.magnification-match > span {
  overflow: hidden;
  color: var(--ink-2);
  font-size: 0.76rem;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.magnification-match select {
  height: 32px;
  font-size: 0.76rem;
}

.magnification-match select:disabled {
  color: var(--ink);
  cursor: default;
  opacity: 1;
}

@media (max-width: 840px) {
  .controls {
    grid-template-columns: 1fr 1fr;
  }

  .field-lens { grid-column: span 2; }
  .field-accessory { grid-column: span 2; }

  .workspace {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .readout {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 20px;
  }

  .details-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .masthead { align-items: flex-start; }
  .masthead p { font-size: 0.8rem; }

  .controls { grid-template-columns: 1fr 1fr; gap: 9px; }
  .field-system,
  .field-lens,
  .field-accessory { grid-column: span 2; }

  .workspace { padding-top: 14px; }

  .sensor-panel figcaption {
    display: grid;
    gap: 2px;
  }

  #object-legend { text-align: left; }

  .primary-results { column-gap: 12px; }
  .primary-results > div { padding: 8px 0; }
  .primary-results dd { font-size: 0.98rem; }
}