:root {
  --n-paper: #fff;
  --n-paper-2: #edc;
  --n-ink: #221;
  --n-muted: #665;
  --n-line: #cc9;
  --n-accent: #c54;
  --n-accent-soft: #fdb;
  --n-film: #58a;
  --n-film-light: #ca8;
  --n-card: #fff;
  --n-shadow: #baa;
}

.theme-dark {
  --n-paper: #223;
  --n-paper-2: #445;
  --n-ink: #fff;
  --n-muted: #cbb;
  --n-line: #656;
  --n-accent: #f96;
  --n-accent-soft: #946;
  --n-film: #9bc;
  --n-film-light: #b86;
  --n-card: #334;
  --n-shadow: #101;
}

.film-reciprocity-tool {
  --n-local-paper: #fff;
  --n-local-paper-2: #edc;
  --n-local-ink: #221;
  --n-local-muted: #665;
  --n-local-line: #cc9;
  --n-local-accent: #c54;
  --n-local-accent-soft: #fdb;
  --n-local-film: #58a;
  --n-local-film-light: #ca8;
  --n-local-card: #fff;
  --n-local-shadow: #baa;

  color: var(--n-local-ink);
}

.theme-dark .film-reciprocity-tool {
  --n-local-paper: #223;
  --n-local-paper-2: #445;
  --n-local-ink: #fff;
  --n-local-muted: #cbb;
  --n-local-line: #656;
  --n-local-accent: #f96;
  --n-local-accent-soft: #946;
  --n-local-film: #9bc;
  --n-local-film-light: #b86;
  --n-local-card: #334;
  --n-local-shadow: #101;
}

.film-tool-frame {
  background: var(--n-local-paper);
  border: 1px solid var(--n-local-line);
  box-shadow: 7px 7px 0 var(--n-local-shadow);
}

.film-tool-header,
.film-tool-workbench,
.film-tool-footer {
  padding: 1.35rem;
}

.film-tool-header {
  border-bottom: 1px solid var(--n-local-line);
}

.film-tool-kicker,
.film-presets-label,
.film-result-label {
  color: var(--n-local-accent);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.film-tool-header h2,
.film-tool-section-heading h3 {
  margin: .3rem 0;
  color: var(--n-local-ink);
  font-weight: 600;
}

.film-tool-header h2 {
  max-width: 32rem;
  font-size: clamp(1.35rem, 3vw, 2.2rem);
}

.film-tool-header p,
.film-tool-section-heading p {
  max-width: 42rem;
  margin: 0;
  color: var(--n-local-muted);
  font-size: .82rem;
  line-height: 1.55;
}

.film-tool-workbench {
  display: grid;
  grid-template-columns: minmax(16rem, .8fr) minmax(20rem, 1.2fr);
  gap: 1rem;
  background: var(--n-local-paper-2);
}

.film-tool-controls,
.film-tool-result {
  min-width: 0;
  padding: 1rem;
  background: var(--n-local-card);
  border: 1px solid var(--n-local-line);
}

.film-tool-section-heading {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
}

.film-tool-section-heading h3 {
  font-size: 1rem;
}

.film-stock-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .4rem;
  max-height: 12rem;
  margin: 1rem 0 1.35rem;
  overflow-y: auto;
}

.film-option {
  display: grid;
  gap: .2rem;
  min-height: 3.35rem;
  padding: .55rem;
  background: var(--n-local-paper);
  border: 1px solid var(--n-local-line);
  color: var(--n-local-ink);
  cursor: pointer;
  text-align: left;
}

.film-option strong {
  font-size: .68rem;
  font-weight: 700;
}

.film-option small {
  color: var(--n-local-muted);
  font-size: .62rem;
}

.film-option:hover,
.film-option.is-selected {
  background: var(--n-local-accent-soft);
  border-color: var(--n-local-accent);
}

.film-option:focus-visible,
.film-preset-row button:focus-visible,
.film-tool-footer button:focus-visible,
.film-time-range:focus-visible,
.film-time-value input:focus-visible {
  outline: 2px solid var(--n-local-accent);
  outline-offset: 2px;
}

.film-time-heading {
  margin-bottom: .85rem;
}

.film-time-control {
  margin: 0;
}

.film-time-range {
  width: 100%;
  accent-color: var(--n-local-accent);
  cursor: ew-resize;
}

.film-time-value {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin-top: .55rem;
  border-bottom: 1px solid var(--n-local-line);
}

.film-time-value input {
  width: 6rem;
  padding: .25rem 0;
  border: 0;
  background: transparent;
  color: var(--n-local-ink);
  font-size: 1.8rem;
  font-weight: 600;
}

.film-time-value input:focus {
  outline: 0;
}

.film-time-value span {
  color: var(--n-local-muted);
  font-size: .72rem;
}

.film-presets {
  margin: 1.5rem 0 0;
}

.film-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .5rem;
}

.film-preset-row button {
  display: grid;
  gap: .15rem;
  padding: .5rem .6rem;
  background: transparent;
  border: 1px solid var(--n-local-line);
  color: var(--n-local-ink);
  cursor: pointer;
  font: inherit;
  font-size: .68rem;
  text-align: left;
}

.film-preset-row button:hover {
  border-color: var(--n-local-accent);
}

.film-preset-row small {
  color: var(--n-local-accent);
}

.film-result-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.film-state-badge {
  padding: .3rem .45rem;
  border: 1px solid var(--n-local-line);
  color: var(--n-local-muted);
  font-size: .61rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.film-state-badge[data-state="correct"] {
  border-color: var(--n-local-accent);
  color: var(--n-local-accent);
}

.film-state-badge[data-state="long"] {
  background: var(--n-local-accent);
  border-color: var(--n-local-accent);
  color: var(--n-local-card);
}

.film-result-hero {
  padding: 1.6rem 0 1rem;
  border-bottom: 1px solid var(--n-local-line);
}

.film-result-hero strong {
  display: block;
  margin-top: .2rem;
  color: var(--n-local-film);
  font-size: clamp(3rem, 8vw, 5.2rem);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: 1;
}

.film-result-note {
  color: var(--n-local-muted);
  font-size: .75rem;
}

.film-result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .65rem;
  padding: .9rem 0;
}

.film-result-stats div {
  display: grid;
  gap: .25rem;
}

.film-result-stats span {
  color: var(--n-local-muted);
  font-size: .65rem;
}

.film-result-stats strong {
  color: var(--n-local-ink);
  font-size: .86rem;
}

.film-exposure-scene {
  display: block;
  width: 100%;
  height: auto;
  margin-top: .6rem;
}

.scene-paper {
  fill: var(--n-local-paper);
  stroke: var(--n-local-line);
}

.scene-line {
  fill: none;
  stroke: var(--n-local-accent);
  stroke-dasharray: 4 8;
  stroke-width: 2;
}

.scene-meter {
  fill: var(--n-local-paper-2);
  stroke: var(--n-local-line);
}

.scene-film {
  fill: var(--n-local-film-light);
  stroke: var(--n-local-film);
}

.scene-perfs {
  fill: var(--n-local-paper);
  opacity: .72;
}

.scene-dot {
  fill: var(--n-local-accent);
}

.scene-label {
  fill: var(--n-local-muted);
  font-size: 12px;
}

.scene-label-film {
  fill: var(--n-local-film);
}

.film-scene-legend {
  display: flex;
  gap: 1.1rem;
  margin-top: .55rem;
  color: var(--n-local-muted);
  font-size: .65rem;
}

.film-scene-legend span {
  display: inline-flex;
  gap: .35rem;
  align-items: center;
}

.film-legend-dot {
  width: .5rem;
  height: .5rem;
  display: inline-block;
  background: var(--n-local-accent);
  border-radius: 50%;
}

.film-legend-film {
  background: var(--n-local-film);
}

.film-tool-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1rem;
  border-top: 1px solid var(--n-local-line);
  color: var(--n-local-muted);
  font-size: .68rem;
  line-height: 1.45;
}

.film-tool-footer div {
  display: grid;
  align-content: start;
  gap: .25rem;
}

.film-tool-footer strong {
  color: var(--n-local-ink);
  font-size: .65rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.film-tool-footer button {
  align-self: start;
  padding: .45rem .6rem;
  background: transparent;
  border: 1px solid var(--n-local-line);
  color: var(--n-local-ink);
  cursor: pointer;
  font: inherit;
}

@media (max-width: 760px) {
  .film-tool-workbench,
  .film-tool-footer {
    grid-template-columns: 1fr;
  }

  .film-tool-header,
  .film-tool-workbench,
  .film-tool-footer {
    padding: 1rem;
  }
}