.exposure-lab {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 24px;
  align-items: stretch;
}

.exposure-copy h2 {
  max-width: 780px;
  font-size: clamp(34px, 5.8vw, 76px);
  line-height: .92;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.exposure-copy p {
  margin-top: 18px;
  max-width: 650px;
  color: #aaa69d;
  font-size: 16px;
  line-height: 1.65;
}

.exposure-meter {
  border: 1px solid #242424;
  background: radial-gradient(circle at 72% 18%, rgba(255,255,255,.08), transparent 30%), #080808;
  padding: 20px;
  min-height: 540px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
}

.meter-readout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: start;
  border-bottom: 1px solid #222;
  padding-bottom: 16px;
}

.meter-readout strong {
  display: block;
  font-size: 20px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.meter-readout span {
  display: block;
  margin-top: 8px;
  color: var(--amber);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.meter-ev {
  color: #f1f1ed;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-align: right;
}

.exposure-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 250px;
}

.exposure-visual svg {
  width: min(100%, 390px);
  height: auto;
  overflow: visible;
  cursor: crosshair;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.triangle-line {
  fill: rgba(255,255,255,.018);
  stroke: rgba(241,241,237,.72);
  stroke-width: 1.4;
  stroke-linejoin: round;
}

.triangle-core {
  fill: rgba(168,115,47,.05);
  stroke: rgba(168,115,47,.42);
  stroke-width: .8;
}

.triangle-axis {
  stroke: rgba(255,255,255,.18);
  stroke-width: .8;
  stroke-dasharray: 3 6;
}

.triangle-balance-line {
  stroke: rgba(168,115,47,.78);
  stroke-width: 1;
  stroke-dasharray: 2 5;
}

.triangle-balance {
  fill: #f1f1ed;
  stroke: var(--amber);
  stroke-width: 1.6;
  filter: drop-shadow(0 0 8px rgba(168,115,47,.55));
  cursor: grab;
  outline: none;
  pointer-events: all;
  touch-action: none;
  transition: fill .14s ease, stroke .14s ease, filter .14s ease;
}

.triangle-balance:hover,
.triangle-balance:focus,
.triangle-balance.is-dragging {
  fill: var(--amber);
  stroke: #f1f1ed;
  filter: drop-shadow(0 0 14px rgba(168,115,47,.85));
}

.triangle-balance.is-dragging {
  cursor: grabbing;
  transition: none;
}

.triangle-node {
  fill: #0a0a0a;
  stroke: rgba(241,241,237,.9);
  stroke-width: 1.5;
}

.triangle-node.hot {
  fill: rgba(168,115,47,.35);
  stroke: var(--amber);
}

.triangle-label {
  fill: #d8d7cf;
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.exposure-scale {
  position: relative;
  height: 42px;
  border-top: 1px solid #242424;
  border-bottom: 1px solid #242424;
  background: linear-gradient(90deg, rgba(70,100,180,.25), rgba(255,255,255,.08), rgba(168,115,47,.28));
}

[data-exposure-meter][data-exposure-state="under"] .exposure-scale {
  background: linear-gradient(90deg, rgba(70,100,180,.52), rgba(255,255,255,.06), rgba(168,115,47,.16));
}

[data-exposure-meter][data-exposure-state="over"] .exposure-scale {
  background: linear-gradient(90deg, rgba(70,100,180,.12), rgba(255,255,255,.08), rgba(168,115,47,.58));
}

.exposure-scale:before {
  content: "-3       -2       -1        0       +1       +2       +3";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 12px;
  color: rgba(255,255,255,.45);
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: .12em;
  white-space: pre;
  display: flex;
  justify-content: center;
}

.exposure-needle {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 1px;
  height: 50px;
  background: #f1f1ed;
  box-shadow: 0 0 16px rgba(255,255,255,.36);
  transform: translateX(-50%);
  transition: left .22s ease;
}

.exposure-controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.exposure-control {
  border: 1px solid #242424;
  background: #050505;
  padding: 12px;
}

.exposure-control label,
.scene-select label {
  display: block;
  color: var(--amber);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.exposure-control output {
  display: block;
  margin-top: 8px;
  color: #f1f1ed;
  font-size: 20px;
  letter-spacing: .08em;
}

.exposure-control input {
  appearance: none;
  width: 100%;
  height: 34px;
  margin-top: 12px;
  background: transparent;
  cursor: ew-resize;
  touch-action: pan-y;
}

.exposure-control input::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(90deg, #2a2a2a, rgba(168,115,47,.9));
  border-radius: 999px;
}

.exposure-control input::-webkit-slider-thumb {
  appearance: none;
  width: 24px;
  height: 24px;
  margin-top: -10px;
  border: 1px solid #f1f1ed;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(168,115,47,.16);
}

.exposure-control input::-moz-range-track {
  height: 4px;
  background: linear-gradient(90deg, #2a2a2a, rgba(168,115,47,.9));
  border-radius: 999px;
}

.exposure-control input::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border: 1px solid #f1f1ed;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(168,115,47,.16);
}

.scene-select {
  grid-column: span 2;
  border: 1px solid #242424;
  background: #050505;
  padding: 12px;
}

.scene-select select {
  width: 100%;
  margin-top: 10px;
  border: 1px solid #2a2a2a;
  background: #080808;
  color: #f1f1ed;
  padding: 10px;
  font-family: 'Space Mono', monospace;
  letter-spacing: .08em;
}

.meter-advice {
  min-height: 72px;
  border-top: 1px solid #222;
  padding-top: 16px;
  color: #c9c9c3;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .exposure-lab,
  .exposure-controls {
    grid-template-columns: 1fr;
  }

  .scene-select {
    grid-column: span 1;
  }

  .exposure-meter {
    min-height: auto;
  }
}

@media (hover: hover) and (pointer: fine) {
  .exposure-visual,
  .exposure-visual svg,
  .triangle-balance,
  .triangle-balance:hover,
  .triangle-balance:focus,
  .triangle-balance.is-dragging,
  .exposure-control input {
    cursor: none !important;
  }
}