:root {
  color-scheme: light;
  --bg: #f7f7f2;
  --ink: #171a1f;
  --muted: #636b74;
  --line: #d9ded7;
  --panel: #ffffff;
  --accent: #16645c;
  --accent-2: #ba3f3f;
  --gold: #b8841b;
  --blue: #315f9c;
  --shadow: 0 18px 50px rgba(24, 33, 40, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 4vw, 48px) 18px;
}

.app-header h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 18px;
  padding: 0 clamp(18px, 4vw, 48px) 36px;
}

.panel,
.overlay-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.catalog-panel {
  position: sticky;
  top: 18px;
  align-self: start;
  max-height: calc(100vh - 36px);
  padding: 18px;
  overflow: hidden;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  padding: 0 12px;
}

textarea {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
}

.control-grid,
.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.catalog-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0 10px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.text-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--accent);
  padding: 0 12px;
  font-size: 0.76rem;
  font-weight: 800;
  cursor: pointer;
  touch-action: manipulation;
  white-space: nowrap;
}

.catalog-list {
  display: grid;
  gap: 9px;
  max-height: calc(100vh - 245px);
  overflow: auto;
  padding-right: 4px;
}

.catalog-item {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: start;
  gap: 10px;
  min-height: 74px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.catalog-item input {
  width: 18px;
  min-height: 18px;
  margin-top: 3px;
  accent-color: var(--accent);
}

.catalog-item h3 {
  margin: 0;
  font-size: 0.92rem;
}

.catalog-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.buy-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
}

.workspace {
  display: grid;
  gap: 18px;
}

.overlay-section {
  padding: 18px;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.section-title h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0;
}

.section-title.compact {
  align-items: start;
}

.scale-readout {
  display: grid;
  gap: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

.scale-readout strong {
  color: var(--ink);
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.mode-button,
.primary-button {
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fbfcfb;
  color: var(--ink);
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}

.mode-button.is-active,
.primary-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.primary-button {
  width: 100%;
  margin-top: 14px;
}

.sort-toggle {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  padding: 0 12px;
  color: var(--muted);
}

.sort-toggle input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--accent);
}

.zoom-control {
  display: inline-grid;
  grid-template-columns: auto minmax(120px, 180px) 52px;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  padding: 0 12px;
  color: var(--muted);
}

.zoom-control input {
  min-height: 24px;
}

.zoom-control strong {
  color: var(--ink);
  font-size: 0.78rem;
  text-align: right;
}

.sensor-stage {
  min-height: 470px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(23, 26, 31, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 26, 31, 0.05) 1px, transparent 1px),
    #fbfcfb;
  background-size: 24px 24px;
  overflow: hidden;
}

#sensorOverlay {
  display: block;
  width: 100%;
  height: 470px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tool-panel,
.data-panel,
.request-panel {
  padding: 18px;
}

.request-form {
  display: grid;
  gap: 14px;
}

.input-with-unit {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  overflow: hidden;
}

.input-with-unit input {
  min-height: 40px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.input-with-unit span {
  padding: 0 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.calibration-card {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 84px;
  margin-bottom: 14px;
  overflow-x: auto;
}

#creditCardTarget {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background: #eef7f5;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

input[type="range"] {
  padding: 0;
  accent-color: var(--accent);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.metric-row div {
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.metric-row span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-row strong {
  display: block;
  margin-top: 8px;
  font-size: 1.25rem;
}

.data-panel p {
  max-width: 900px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.data-panel p + p {
  margin-top: 10px;
}

.affiliate-disclosure {
  font-size: 0.82rem;
}

.sensor-label {
  font-size: 12px;
  font-weight: 800;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 3px;
}

@media (max-width: 980px) {
  .app-shell,
  .tools-grid {
    grid-template-columns: 1fr;
  }

  .catalog-panel {
    position: static;
    max-height: none;
  }

  .catalog-list {
    max-height: 360px;
  }
}

@media (max-width: 620px) {
  .app-header {
    align-items: start;
  }

  .control-grid,
  .calculator-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .sensor-stage {
    min-height: 380px;
  }

  #sensorOverlay {
    height: 380px;
  }

  .zoom-control {
    width: 100%;
    grid-template-columns: auto 1fr 52px;
  }
}