.film-development-temperature-tool {
  --n-ink: #1c2221;
  --n-muted: #68716d;
  --n-paper: #f7f5ed;
  --n-card: #fffdf7;
  --n-line: #d9d8cc;
  --n-accent: #c85a35;
  --n-accent-soft: #f1d4c5;
  --n-chemical: #85a5a0;
  --n-shadow: rgba(28, 34, 33, 0.14);

  color: var(--n-ink);
  background: var(--n-paper);
  border: 1px solid var(--n-line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 45px var(--n-shadow);
}

.theme-dark .film-development-temperature-tool {
  --n-ink: #f4f0e4;
  --n-muted: #b9b7ae;
  --n-paper: #0e1010;
  --n-card: #171918;
  --n-line: #343735;
  --n-accent: #ef8560;
  --n-accent-soft: #633e35;
  --n-chemical: #171a19;
  --n-shadow: rgba(0, 0, 0, 0.3);
}

.film-dev-intro {
  padding: 1.5rem 1.75rem 1.25rem;
  background: var(--n-card);
}

.film-dev-kicker {
  color: var(--n-accent);
  font: 700 0.72rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kicker-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--n-accent);
  box-shadow: 0 0 0 0.25rem var(--n-accent-soft);
}

.film-dev-intro p {
  max-width: 62rem;
  margin: 0.65rem 0 0;
  color: var(--n-muted);
}

.film-dev-stage {
  position: relative;
  padding: 1.5rem 1.75rem 1.25rem;
  background: var(--n-chemical);
  isolation: isolate;
}

.film-dev-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at var(--n-temp-progress) 35%, rgba(255, 244, 214, 0.32), transparent 20rem);
  opacity: 0.8;
}

.film-dev-stage-header,
.film-dev-readout,
.temperature-control-head,
.reference-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stage-label,
.readout-label,
.readout-meta span,
.field-label {
  display: block;
  color: var(--n-muted);
  font: 700 0.7rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.film-dev-stage .stage-label,
.film-dev-stage .readout-label,
.film-dev-stage .readout-meta span {
  color: rgba(255, 253, 247, 0.76);
}

.stage-source {
  display: block;
  margin-top: 0.35rem;
  color: #fffdf7;
  font-size: 1rem;
}

.temperature-badge {
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(255, 253, 247, 0.42);
  border-radius: 999px;
  color: #fffdf7;
  font: 700 0.72rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-transform: uppercase;
}

.temperature-badge.status-cool {
  background: rgba(47, 84, 94, 0.6);
}

.temperature-badge.status-steady {
  background: rgba(47, 105, 91, 0.6);
}

.temperature-badge.status-warm {
  background: rgba(154, 70, 44, 0.68);
}

.film-dev-scene {
  position: relative;
  height: 12rem;
  margin: 1.25rem 0;
  overflow: hidden;
  border: 1px solid rgba(255, 253, 247, 0.25);
  border-radius: 16px;
  background: rgba(18, 55, 53, 0.2);
}

.safelight {
  position: absolute;
  top: 1.2rem;
  left: 13%;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: rgba(255, 182, 105, 0.22);
  box-shadow: 0 0 3rem rgba(255, 182, 105, 0.28);
}

.chemical-tray {
  position: absolute;
  right: 11%;
  bottom: 1.35rem;
  width: 43%;
  height: 4.7rem;
  border: 3px solid rgba(255, 253, 247, 0.55);
  border-radius: 12px 12px 22px 22px;
  transform: perspective(12rem) rotateX(13deg);
  background: rgba(20, 62, 62, 0.26);
  overflow: hidden;
}

.chemical-level {
  position: absolute;
  inset: 31% 0 0;
  background: rgba(116, 180, 168, 0.38);
}

.chemical-ripple {
  position: absolute;
  left: 13%;
  width: 72%;
  height: 1.1rem;
  border-top: 2px solid rgba(255, 253, 247, 0.42);
  border-radius: 50%;
}

.ripple-one {
  top: 43%;
  transform: rotate(-4deg);
}

.ripple-two {
  top: 60%;
  transform: rotate(5deg);
}

.film-strip {
  position: absolute;
  top: 36%;
  left: 8%;
  width: 76%;
  height: 3.6rem;
  display: flex;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  border-top: 4px solid #272c29;
  border-bottom: 4px solid #272c29;
  background: #171b19;
  transform: rotate(-7deg);
  box-shadow: 0 1rem 1.5rem rgba(0, 0, 0, 0.25);
}

.film-strip span {
  flex: 1;
  min-width: 1.1rem;
  border: 1px solid rgba(255, 240, 199, 0.28);
  background: linear-gradient(145deg, rgba(225, 169, 94, 0.72), rgba(58, 84, 68, 0.85));
}

.film-reel {
  position: absolute;
  z-index: 2;
  width: 3.7rem;
  height: 3.7rem;
  display: grid;
  place-items: center;
  border: 4px solid #242b27;
  border-radius: 50%;
  background: #d4c3a1;
  box-shadow: 0 0.6rem 1rem rgba(0, 0, 0, 0.2);
}

.film-reel::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: 2px solid #242b27;
  border-radius: 50%;
}

.film-reel span {
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #242b27;
}

.film-reel span:nth-child(1) {
  transform: translateY(-1rem);
}

.film-reel span:nth-child(2) {
  transform: translate(0.85rem, 0.5rem);
}

.film-reel span:nth-child(3) {
  transform: translate(-0.85rem, 0.5rem);
}

.reel-left {
  top: 31%;
  left: 3%;
}

.reel-right {
  right: 3%;
  bottom: 12%;
  transform: scale(0.7);
}

.temperature-needle {
  position: absolute;
  top: 7%;
  right: 23%;
  width: 0.3rem;
  height: 5rem;
  border-radius: 999px;
  background: #fffdf7;
  transform-origin: bottom center;
  transform: rotate(calc(-34deg + (var(--n-temp-progress) * 0.68)));
  opacity: 0.86;
}

.temperature-needle::after {
  content: "";
  position: absolute;
  bottom: -0.55rem;
  left: -0.45rem;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--n-accent);
}

.temperature-needle span {
  position: absolute;
  top: 0;
  left: -0.18rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: #fffdf7;
}

.time-orbit {
  position: absolute;
  right: 4%;
  top: 8%;
  width: 4.5rem;
  height: 4.5rem;
  border: 1px solid rgba(255, 253, 247, 0.32);
  border-radius: 50%;
}

.time-orbit::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px dashed rgba(255, 253, 247, 0.36);
  border-radius: 50%;
}

.time-orbit span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.3rem;
  height: 0.16rem;
  background: #fffdf7;
  transform-origin: left center;
  transform: rotate(calc(-90deg + (var(--n-time-progress) * 2.7deg)));
}

.film-dev-readout {
  align-items: end;
}

.readout-time {
  display: block;
  margin-top: 0.3rem;
  color: #fffdf7;
  font: 700 clamp(2rem, 5vw, 3.4rem)/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.readout-meta {
  min-width: 7rem;
}

.readout-meta strong {
  display: block;
  margin-top: 0.35rem;
  color: #fffdf7;
  font-size: 0.95rem;
}

.result-note {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 253, 247, 0.28);
  color: rgba(255, 253, 247, 0.85);
  font-size: 0.86rem;
}

.result-note.is-warning {
  color: #ffe1b8;
}

.film-dev-controls {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  background: var(--n-card);
}

.control-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.film-dev-select {
  position: relative;
}

.film-dev-select .field-label {
  margin-bottom: 0.45rem;
  color: var(--n-muted);
}

.select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--n-line);
  border-radius: 10px;
  color: var(--n-ink);
  background: var(--n-paper);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.select-trigger:focus-visible,
.reset-button:focus-visible,
input:focus-visible,
.film-dev-option:focus-visible {
  outline: 3px solid var(--n-accent);
  outline-offset: 2px;
}

.select-chevron {
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentcolor;
  border-bottom: 2px solid currentcolor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.is-open .select-chevron {
  transform: rotate(225deg) translate(-2px, -2px);
}

.select-menu[hidden] {
  display: none;
}

.select-menu {
  position: absolute;
  z-index: 5;
  top: calc(100% + 0.35rem);
  left: 0;
  right: 0;
  max-height: 14rem;
  overflow: auto;
  padding: 0.35rem;
  border: 1px solid var(--n-line);
  border-radius: 10px;
  background: var(--n-card);
  box-shadow: 0 0.7rem 1.5rem var(--n-shadow);
}

.film-dev-option {
  width: 100%;
  padding: 0.65rem 0.55rem;
  border: 0;
  border-radius: 7px;
  color: var(--n-ink);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.film-dev-option:hover,
.film-dev-option[aria-selected="true"] {
  background: var(--n-accent-soft);
}

.temperature-control {
  padding-top: 0.25rem;
}

.temperature-control-head output {
  color: var(--n-accent);
  font: 700 1rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

.temperature-settings {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.unit-switch {
  display: inline-flex;
  padding: 0.2rem;
  border: 1px solid var(--n-line);
  border-radius: 999px;
  background: var(--n-paper);
}

.unit-switch button {
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 999px;
  color: var(--n-muted);
  background: transparent;
  font: 700 0.66rem ui-monospace, SFMono-Regular, Consolas, monospace;
  cursor: pointer;
}

.unit-switch button[aria-pressed="true"] {
  color: var(--n-card);
  background: var(--n-accent);
}

.temperature-input-line {
  display: grid;
  grid-template-columns: 7rem 1fr;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.65rem;
}

.temperature-input-line input[type="number"] {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem;
  border: 1px solid var(--n-line);
  border-radius: 10px;
  color: var(--n-ink);
  background: var(--n-paper);
  font: 700 1rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

.temperature-input-line input[type="range"] {
  width: 100%;
  accent-color: var(--n-accent);
}

.temperature-control p,
.reference-heading p {
  margin: 0.5rem 0 0;
  color: var(--n-muted);
  font-size: 0.83rem;
}

.reset-button {
  justify-self: start;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--n-line);
  border-radius: 999px;
  color: var(--n-ink);
  background: transparent;
  font: 700 0.78rem ui-monospace, SFMono-Regular, Consolas, monospace;
  cursor: pointer;
}

.reset-button:hover {
  border-color: var(--n-accent);
  color: var(--n-accent);
}

.film-dev-reference {
  padding: 1.5rem 1.75rem 1.75rem;
  border-top: 1px solid var(--n-line);
  background: var(--n-card);
}

.reference-heading {
  align-items: start;
}

.reference-line {
  width: 4rem;
  height: 0.3rem;
  margin-top: 0.3rem;
  background: var(--n-accent);
}

.reference-table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
}

.film-dev-reference table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.film-dev-reference th,
.film-dev-reference td {
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--n-line);
  text-align: left;
  white-space: nowrap;
}

.film-dev-reference thead th {
  color: var(--n-muted);
  font: 700 0.68rem ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.film-dev-reference tbody th {
  font-weight: 700;
}

.film-dev-reference tr.is-current {
  background: var(--n-accent-soft);
}

.row-marker {
  display: inline-block;
  margin-left: 0.35rem;
  color: var(--n-accent);
  font: 700 0.65rem ui-monospace, SFMono-Regular, Consolas, monospace;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .film-dev-intro,
  .film-dev-stage,
  .film-dev-controls,
  .film-dev-reference {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .control-row {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .film-dev-scene {
    height: 10rem;
  }

  .film-dev-readout {
    align-items: start;
    flex-wrap: wrap;
  }

  .readout-meta {
    min-width: 0;
  }

  .temperature-control-head {
    align-items: start;
    flex-direction: column;
  }

  .temperature-settings {
    width: 100%;
    justify-content: space-between;
  }

  .temperature-input-line {
    grid-template-columns: 6rem 1fr;
    gap: 0.75rem;
  }

  .film-development-temperature-tool {
    border-radius: 16px;
  }
}