/* Charmera essay: the darkroom and the exposure chart share the site's paper and ink. */
.darkroom, .exposure-figure, .pipeline, .frames {
  margin: 2.2rem 0 2.4rem;
  padding: 1rem;
  border: 1px solid var(--site-rule);
  border-radius: 6px;
  background: var(--site-surface);
  color: var(--site-ink);
  font-family: var(--font-ui);
}
.darkroom button, .exposure-figure button, .pipeline button, .frames button {
  font: inherit;
  color: var(--site-ink);
  background: var(--site-paper);
  border: 1px solid var(--site-rule);
  border-radius: 4px;
  cursor: pointer;
}
.darkroom button:hover, .exposure-figure button:hover, .pipeline button:hover, .frames button:hover { border-color: var(--site-muted); }
.darkroom button:disabled, .pipeline button:disabled { opacity: 0.45; cursor: default; }
.darkroom button[aria-pressed="true"], .exposure-figure button[aria-pressed="true"], .frames button[aria-pressed="true"], .pipeline-steps button[aria-current="step"] {
  color: var(--site-paper);
  background: var(--site-ink);
  border-color: var(--site-ink);
}
.darkroom-label { margin: 0 0 0.45rem; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--site-muted); }

/* Stage: two stacked canvases; the film render is clipped by the split handle. */
.darkroom-stage {
  --split: 50%;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 3px;
  background: #15120f;
  touch-action: pan-y;
}
.darkroom-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.darkroom-stage::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: var(--split);
  width: 2px;
  margin-left: -1px;
  background: #f4efe6;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}
.darkroom-split {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 2;
}
.darkroom-stage:has(.darkroom-split:focus-visible) { outline: 2px solid var(--site-focus); outline-offset: 3px; }
.darkroom-tag {
  position: absolute;
  top: 10px;
  z-index: 1;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(21, 18, 15, 0.72);
  color: #f4efe6;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  pointer-events: none;
}
.darkroom-label-before { left: 10px; }
.darkroom-label-after { right: 10px; }
.darkroom-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #d9d0c3;
  font-size: 0.8rem;
}
.darkroom.is-ready .darkroom-loading, .frames.is-ready .darkroom-loading { display: none; }
.charmera-noscript { margin: 0; padding: 1rem; color: #d9d0c3; font-size: 0.8rem; text-align: center; }
.darkroom-stage .charmera-noscript { position: absolute; inset: auto 0 0; z-index: 3; }

.darkroom-mode-groups { display: grid; gap: 0.7rem; margin-top: 0.9rem; }
.darkroom-modes { display: flex; flex-wrap: wrap; gap: 6px; }
.darkroom-modes button { min-height: 36px; padding: 0 12px; font-size: 0.74rem; letter-spacing: 0.06em; }
.darkroom-readout { min-height: 3.2em; margin: 0.75rem 0 0; }
.darkroom-note { margin: 0; font-family: var(--font-body); font-size: 0.98rem; line-height: 1.5; color: var(--site-ink); }
.darkroom-meta { margin: 0.25rem 0 0; font-size: 0.74rem; color: var(--site-muted); }

.darkroom-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--site-rule);
  font-size: 0.78rem;
}
.darkroom-engine { display: inline-flex; }
.darkroom-engine button { min-height: 32px; padding: 0 10px; font-size: 0.74rem; }
.darkroom-engine button:first-child { border-radius: 4px 0 0 4px; }
.darkroom-engine button:last-child { border-radius: 0 4px 4px 0; margin-left: -1px; }
.darkroom-check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.darkroom-check[hidden], .darkroom-engine[hidden] { display: none; }
.darkroom-check input { accent-color: var(--site-accent); width: 16px; height: 16px; }
.darkroom-reshoot { min-height: 32px; padding: 0 12px; font-size: 0.74rem; }

.darkroom-scenes-wrap { margin-top: 0.9rem; }
.darkroom-scenes { display: flex; flex-wrap: wrap; gap: 6px; }
.darkroom-scenes button, .darkroom-upload {
  width: 72px;
  height: 54px;
  padding: 0;
  overflow: hidden;
}
.darkroom-scenes img { display: block; width: 100%; height: 100%; object-fit: cover; }
.darkroom-scenes button[aria-pressed="true"] { outline: 2px solid var(--site-accent); outline-offset: 2px; background: var(--site-paper); }
.darkroom-scenes button[aria-pressed="false"] img { opacity: 0.82; }
.darkroom-upload {
  position: relative;
  display: inline-grid;
  place-items: center;
  border: 1px dashed var(--site-muted);
  border-radius: 4px;
  font-size: 0.66rem;
  line-height: 1.2;
  text-align: center;
  color: var(--site-muted);
  cursor: pointer;
}
.darkroom-upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.darkroom-upload:has(input:focus-visible) { outline: 2px solid var(--site-focus); outline-offset: 2px; }
.darkroom figcaption, .exposure-figure figcaption, .pipeline figcaption, .frames figcaption {
  margin-top: 0.9rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--site-muted);
}

/* Exposure chart: three validated categorical slots; text stays in ink tokens. */
.exposure-figure {
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
}
body.quarto-dark .exposure-figure {
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
}
.exposure-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.exposure-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0; padding: 0; list-style: none; font-size: 0.74rem; color: var(--site-ink); }
.exposure-legend li { display: inline-flex; align-items: center; gap: 6px; }
.exposure-toggle { display: inline-flex; }
.exposure-toggle button { min-height: 32px; padding: 0 12px; font-size: 0.74rem; }
.exposure-toggle button:first-child { border-radius: 4px 0 0 4px; }
.exposure-toggle button:last-child { border-radius: 0 4px 4px 0; margin-left: -1px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; background: currentColor; }
.swatch.exposure-shutter { color: var(--series-1); }
.swatch.exposure-analog { color: var(--series-2); }
.swatch.exposure-digital { color: var(--series-3); }
.exposure-frame { position: relative; margin-top: 0.6rem; }
.exposure-plot { display: block; width: 100%; height: auto; overflow: visible; }
.exposure-plot:focus-visible { outline: 2px solid var(--site-focus); outline-offset: 4px; }
.exposure-grid line { stroke: var(--site-rule); stroke-width: 1; }
.exposure-grid text, .exposure-direct-label { fill: var(--site-muted); font-size: 11px; }
.exposure-axis-title { font-size: 11px; }
.exposure-direct-label { fill: var(--site-ink); }
.exposure-baseline { stroke: var(--site-muted); stroke-width: 1; }
.exposure-band { stroke: none; opacity: 0.22; }
.exposure-edge { fill: none; stroke-width: 2; stroke-linejoin: round; }
.exposure-band.exposure-shutter { fill: var(--series-1); }
.exposure-band.exposure-analog { fill: var(--series-2); }
.exposure-band.exposure-digital { fill: var(--series-3); }
.exposure-edge.exposure-shutter { stroke: var(--series-1); }
.exposure-edge.exposure-analog { stroke: var(--series-2); }
.exposure-edge.exposure-digital { stroke: var(--series-3); }
.exposure-hit { fill: transparent; }
.exposure-cursor line { stroke: var(--site-muted); stroke-width: 1; stroke-dasharray: 3 3; }
.exposure-cursor circle { fill: var(--site-ink); stroke: var(--site-surface); stroke-width: 2; }
.exposure-tooltip {
  position: absolute;
  top: 4px;
  transform: translateX(-50%);
  display: grid;
  gap: 2px;
  min-width: 170px;
  padding: 8px 10px;
  border: 1px solid var(--site-rule);
  border-radius: 4px;
  background: var(--site-paper);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--site-ink);
  pointer-events: none;
}
.exposure-tooltip span { display: flex; align-items: center; gap: 6px; }
.exposure-tooltip .exposure-total { margin-top: 2px; color: var(--site-muted); }
.exposure-table-wrap { margin-top: 0.8rem; font-size: 0.78rem; }
.exposure-table-wrap summary { cursor: pointer; color: var(--site-muted); }
.exposure-table { width: 100%; margin-top: 0.6rem; font-variant-numeric: tabular-nums; }
.exposure-table caption { caption-side: top; padding: 0 0 0.4rem; font-size: 0.74rem; color: var(--site-muted); }
.exposure-table th, .exposure-table td { padding: 4px 8px; border-bottom: 1px solid var(--site-rule); text-align: right; }
.exposure-table th:first-child, .exposure-table td:first-child { text-align: left; }

/* Pipeline explorer: stage rail, the frame, and a side panel with a loupe. */
.pipeline-steps { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 0.8rem; padding: 0; list-style: none; }
.pipeline-steps button { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 0 10px; font-size: 0.74rem; }
.pipeline-step-number { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; border: 1px solid currentColor; font-size: 0.64rem; }
.pipeline-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.9rem; }
.pipeline-view { display: grid; place-items: center; border-radius: 3px; background: #15120f; overflow: hidden; }
.pipeline-canvas { display: block; width: 100%; height: auto; }
.pipeline-title { margin: 0; font-size: 0.86rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.pipeline-text { margin: 0.3rem 0 0; font-family: var(--font-body); font-size: 0.98rem; line-height: 1.5; }
.pipeline-size { display: flex; align-items: center; gap: 8px; margin-top: 0.7rem; font-size: 0.78rem; }
.pipeline-size[hidden], .pipeline-bars[hidden] { display: none; }
.pipeline-size select { font: inherit; color: var(--site-ink); background: var(--site-paper); border: 1px solid var(--site-rule); border-radius: 4px; padding: 4px 6px; }
.pipeline-bars { display: grid; gap: 6px; margin-top: 0.7rem; font-size: 0.72rem; }
.pipeline-bars div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) 4.2rem; align-items: center; gap: 8px; }
.pipeline-bars i { display: block; height: 10px; min-width: 2px; border-radius: 0 3px 3px 0; background: var(--site-accent); }
.pipeline-bars div:first-child i { background: var(--site-ink); }
.pipeline-bars b { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.pipeline-loupe-wrap { display: flex; align-items: flex-end; gap: 10px; margin-top: 0.8rem; }
.pipeline-loupe { width: 240px; height: 180px; border: 2px solid #ffd45a; border-radius: 3px; image-rendering: pixelated; background: #15120f; }
.pipeline-loupe-note { margin: 0; font-size: 0.72rem; color: var(--site-muted); font-variant-numeric: tabular-nums; }
.pipeline-buttons { display: flex; gap: 6px; margin-top: 0.8rem; }
.pipeline-buttons button { min-height: 32px; padding: 0 12px; font-size: 0.74rem; }

/* Meter: the stock curve against the identity line and the AE target band. */
.meter-control { display: grid; gap: 6px; font-size: 0.78rem; }
.meter-slider { width: 100%; accent-color: var(--site-accent); }
.meter-band { fill: var(--site-muted); opacity: 0.16; }
.meter-band-label { fill: var(--site-muted); font-size: 11px; }
.meter-line-label { fill: var(--site-ink); font-size: 11px; }
.meter-identity { fill: none; stroke: var(--site-muted); stroke-width: 1.5; stroke-dasharray: 5 4; }
.meter-stock { fill: none; stroke: var(--series-1); stroke-width: 2; }
.meter-case { fill: var(--site-surface); stroke-width: 2; }
.meter-case-identity { stroke: var(--site-muted); }
.meter-case-stock { stroke: var(--series-1); }
.meter-cursor line { stroke: var(--site-muted); stroke-width: 1; stroke-dasharray: 3 3; }
.meter-dot-identity, .meter-dot-stock { stroke: var(--site-surface); stroke-width: 2; }
.meter-dot-identity { fill: var(--site-muted); }
.meter-dot-stock { fill: var(--series-1); }
.meter-readout { display: grid; gap: 6px; margin-top: 0.6rem; font-size: 0.8rem; }
.meter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.meter-label { min-width: 6.5rem; font-weight: 600; }
.meter-row b { font-weight: 600; font-variant-numeric: tabular-nums; }
.meter-verdict { padding: 1px 8px; border-radius: 10px; border: 1px solid var(--site-rule); font-size: 0.72rem; }
.meter-verdict.is-up::before { content: "▲ "; }
.meter-verdict.is-down::before { content: "▼ "; }
.meter-verdict.is-hold::before { content: "● "; }
.meter-proof { font-size: 0.72rem; color: var(--site-muted); }
.meter-summary { margin: 0.6rem 0 0; font-family: var(--font-body); font-size: 0.98rem; }

/* Real Charmera photos: hero, figure pair, darkroom badge, detail chart. */
.charmera-hero { margin: 1.6rem 0 2rem; }
.charmera-hero img, .charmera-real img { display: block; width: 100%; height: auto; border-radius: 3px; }
.charmera-hero figcaption, .charmera-real figcaption { margin-top: 0.6rem; font-family: var(--font-ui); font-size: 0.75rem; line-height: 1.6; color: var(--site-muted); }
.charmera-real { margin: 2rem 0; }
.charmera-real-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.darkroom-scenes button { position: relative; }
.darkroom-real-badge { position: absolute; left: 3px; bottom: 3px; padding: 0 4px; border-radius: 2px; background: rgba(21, 18, 15, 0.78); color: #f4efe6; font-size: 0.55rem; line-height: 1.5; letter-spacing: 0.04em; }
.darkroom-real-note { margin: 0.35rem 0 0; font-size: 0.74rem; color: var(--site-muted); }
.darkroom-real-note[hidden] { display: none; }
.darkroom-check:has(input:disabled) { opacity: 0.55; cursor: default; }
.detail-line { fill: none; stroke-width: 2; stroke-linejoin: round; }
.detail-charmera { stroke: var(--series-1); color: var(--series-1); }
.detail-squeezed { stroke: var(--series-2); color: var(--series-2); }
.detail-phone { stroke: var(--series-3); color: var(--series-3); }
.detail-limit { stroke: var(--site-ink); stroke-width: 1; stroke-dasharray: 4 3; }
.detail-limit-label, .detail-direct-label { fill: var(--site-ink); font-size: 11px; }
.detail-tooltip { min-width: 210px; }

/* Frame maker. */
.frames-stage { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 3px; background: #15120f; }
.frames-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.frames-templates button, .frames-upload { min-height: 36px; padding: 0 12px; font-size: 0.74rem; letter-spacing: 0.04em; }
.frames-upload { position: relative; display: inline-flex; align-items: center; border: 1px dashed var(--site-muted); border-radius: 4px; color: var(--site-muted); cursor: pointer; }
.frames-upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.frames-upload:has(input:focus-visible) { outline: 2px solid var(--site-focus); outline-offset: 2px; }
.frames-caption-wrap { display: flex; align-items: center; gap: 8px; margin-top: 0.7rem; font-size: 0.78rem; }
.frames-caption-wrap[hidden] { display: none; }
.frames-caption, .frames-slot { font: inherit; color: var(--site-ink); background: var(--site-paper); border: 1px solid var(--site-rule); border-radius: 4px; padding: 4px 8px; }
.frames-caption { flex: 1 1 auto; max-width: 18rem; }
.frames-slot-wrap { display: inline-flex; align-items: center; gap: 6px; }
.frames .table-scroll { margin-block: 0.8rem 0; }
.frames-strips { margin-top: 0; font-size: 0.78rem; }
.frames-strips .is-ok { color: var(--site-ink); }
.frames-strips .is-ok::before { content: "✓ "; }
.frames-strips .is-over { color: var(--site-accent); font-weight: 600; }
.frames-strips .is-over::before { content: "✕ "; }
.frames-nudged, .frames-verify { margin: 0.3rem 0 0; font-size: 0.74rem; color: var(--site-muted); }
.frames-status { margin: 0.5rem 0 0; font-family: var(--font-body); font-size: 0.98rem; }
.frames-files { margin-top: 0.4rem; font-size: 0.78rem; display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: baseline; }
.frames-files-label { color: var(--site-muted); }
.frames-downloads { display: inline-flex; flex-wrap: wrap; gap: 6px 12px; }
.frames-download { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.74rem; }

/* Flash map and firmware assets. */
.flash-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.flash-region { stroke: var(--site-surface); stroke-width: 0.5; }
.flash-region.is-focus { stroke: var(--site-ink); stroke-width: 2; }
.flash-header, .flash-code { fill: var(--site-muted); opacity: 0.55; }
.flash-resources, .flash-frames { fill: var(--series-1); opacity: 0.75; }
.flash-frames { opacity: 1; }
.flash-state { fill: var(--series-2); }
.flash-photos { fill: var(--series-3); }
.flash-blank { fill: transparent; }
.flash-outline { fill: none; stroke: var(--site-rule); stroke-width: 1; pointer-events: none; }
.flash-label { fill: #fff; font-size: 11px; font-weight: 600; pointer-events: none; }
.flash-tick, .flash-axis-title, .flash-written-label { fill: var(--site-muted); font-size: 11px; }
.flash-written { stroke: var(--site-ink); stroke-width: 2; }
.flash-written-end { stroke: var(--site-ink); stroke-width: 1.5; stroke-dasharray: 3 2; }
.flash-erase { fill: var(--site-accent); fill-opacity: 0.18; stroke: var(--site-accent); stroke-width: 2; pointer-events: none; }
.flash-erase-label { fill: var(--site-accent); font-size: 11px; font-weight: 600; }
.flash-connector { stroke: var(--site-rule); stroke-width: 1; stroke-dasharray: 3 3; }
.flash-tooltip { display: grid; gap: 2px; margin-top: 0.5rem; padding: 8px 10px; border: 1px solid var(--site-rule); border-radius: 4px; background: var(--site-paper); font-size: 0.74rem; line-height: 1.45; }
.flash-tooltip[hidden] { display: none; }
.flash-note { margin: 0.6rem 0 0; font-family: var(--font-body); font-size: 0.98rem; line-height: 1.5; }
.swatch.flash-swatch-code { color: var(--site-muted); opacity: 0.55; }
.swatch.flash-swatch-resources { color: var(--series-1); }
.swatch.flash-swatch-state { color: var(--series-2); }
.swatch.flash-swatch-photos { color: var(--series-3); }
.swatch.flash-swatch-erase { color: var(--site-accent); opacity: 0.6; }
.charmera-assets { margin: 1.6rem 0 2rem; padding: 1rem; border: 1px solid var(--site-rule); border-radius: 6px; background: var(--site-surface); font-family: var(--font-ui); }
.charmera-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 0.9rem; font-size: 0.78rem; color: var(--site-muted); }
.charmera-logo img { width: 240px; height: auto; image-rendering: pixelated; border-radius: 2px; }
.charmera-sounds { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.charmera-sounds li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr) 8.5rem; align-items: center; gap: 10px; font-size: 0.8rem; }
.charmera-sounds audio { width: 100%; height: 32px; }
.charmera-sounds small { color: var(--site-muted); font-size: 0.72rem; }
.charmera-assets figcaption { margin-top: 0.8rem; font-size: 0.75rem; line-height: 1.6; color: var(--site-muted); }

@media (max-width: 700px) {
  .darkroom, .exposure-figure, .pipeline, .frames { margin-inline: -6px; padding: 10px; }
  .pipeline-loupe { width: 168px; height: 126px; }
  .pipeline-loupe-wrap { flex-wrap: wrap; }
  .charmera-sounds li { grid-template-columns: 4.5rem minmax(0, 1fr); }
  .charmera-sounds small { grid-column: 2; }
  .charmera-logo { flex-direction: column; align-items: flex-start; }
  .charmera-real-pair { grid-template-columns: minmax(0, 1fr); }
  .darkroom-modes button { flex: 1 1 calc(25% - 6px); padding: 0 6px; }
  .darkroom-scenes button, .darkroom-upload { width: 60px; height: 45px; }
}