/* Cosmic Darkroom: Universe Developer
   Look: a red safelight over a 1970s NASA graphics-standards sheet (strict grid, square corners,
   caps labels, hairline rules, numbered sections), in the Space Matter(s) palette.
   Helvetica for text, Futura for headers (Jost, a free Futura-style face, stands in where Futura is not installed), JetBrains Mono for numbers and fine print. Jost and JetBrains Mono are self-hosted (SIL Open Font License). */

@font-face { font-family: "Jost"; src: url("fonts/jost-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Jost"; src: url("fonts/jost-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #2b2926;          /* warm charcoal field */
  --panel: #110f0d;       /* near-black panels */
  --pink: #f0c6bc;        /* blush: headlines */
  --cream: #f4efe4;       /* body text */
  --muted: #b7ae9f;       /* fine print */
  --line: rgba(244, 239, 228, 0.16);   /* hairlines */
  --line-strong: rgba(244, 239, 228, 0.42);
  --safelight: #fa1991;   /* her pink, doubling as the darkroom safelight */
  --sans: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
  --display: Futura, "Futura PT", "Jost", "Century Gothic", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  /* keep the old names working */
  --text: var(--cream);
  --accent: var(--safelight);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--cream); font: 16px/1.5 var(--sans); }
body { min-height: 100vh; background:
  radial-gradient(ellipse 70% 22rem at 50% -4rem, rgba(250, 25, 145, 0.16), transparent 70%),
  var(--bg); }

/* ---- masthead ---------------------------------------------------------------------------------------------------------------------- */
header { max-width: 1280px; margin: 0 auto; padding: 16px 16px 0; }
.masthead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding: 18px 20px 16px; background: var(--panel); border-top: 4px solid var(--safelight); }
h1 { margin: 0; font: 700 clamp(1.7rem, 6vw, 2.9rem)/0.95 var(--display); letter-spacing: 0.01em; text-transform: uppercase; color: var(--pink); }
.tagline { margin: 10px 0 0; font: 500 0.8rem/1.2 var(--display); letter-spacing: 0.32em; text-transform: uppercase; color: var(--safelight); }
.safelight { display: none; align-items: center; gap: 10px; flex: none; font: 400 0.7rem/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.safelight::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--safelight); box-shadow: 0 0 10px 3px rgba(250, 25, 145, 0.55); }
@media (min-width: 640px) { .safelight { display: inline-flex; } }

/* ---- layout ------------------------------------------------------------------------------------------------------------------------ */
main { display: grid; gap: 16px; padding: 16px; max-width: 1280px; margin: 0 auto; grid-template-columns: 1fr; }
@media (min-width: 900px) { main { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; } }
.left { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }

.stage { position: relative; background: #000; overflow: hidden; }
canvas { display: block; width: 100%; height: auto; }
#status { position: absolute; left: 0; bottom: 0; margin: 0; padding: 5px 10px; font: 400 0.7rem/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--cream); background: var(--panel); border-top: 2px solid var(--safelight); }
#status:empty { display: none; }
.corner { position: absolute; right: 0; top: 0; min-height: 36px; padding: 4px 12px; background: var(--panel); color: var(--cream); border: 0; border-bottom: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); border-radius: 0; font: 600 0.7rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; }
.stage:fullscreen { display: flex; align-items: center; justify-content: center; }
.stage:fullscreen canvas { width: 100%; height: 100%; object-fit: contain; }

/* ---- panels and numbered sections -------------------------------------------------------------------------------------------- */
.controls, .strips { background: var(--panel); border-top: 1px solid var(--line-strong); }
.controls { padding: 18px 18px 20px; counter-reset: sec; }
.controls h2 { margin: 0 0 6px; font: 700 1.2rem/1.1 var(--display); letter-spacing: 0.04em; text-transform: uppercase; color: var(--pink); }
#blurb { margin: 0 0 8px; color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.story { margin: 14px 0 12px; padding-left: 12px; border-left: 2px solid var(--safelight); }
.story[hidden] { display: none; }
.story p { margin: 0; }
.story-label { margin-bottom: 4px !important; font: 400 0.64rem/1.3 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
#story { font-style: italic; font-size: 0.9rem; line-height: 1.5; color: var(--pink); }
.light { margin: 0 0 6px; color: var(--cream); font-size: 0.8rem; line-height: 1.5; }
.light:empty { display: none; }
.group { margin-top: 0; padding-top: 14px; border-top: 1px solid var(--line); }
.controls h2 + #blurb + .group, .group:first-of-type { margin-top: 14px; }

.group h3, label { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; column-gap: 10px; margin: 0 0 4px; font: 500 0.78rem/1.3 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream); }
.group h3::before, label::before { counter-increment: sec; content: counter(sec, decimal-leading-zero); font: 400 0.7rem/1 var(--mono); letter-spacing: 0.04em; color: var(--safelight); }
output { color: var(--pink); font: 400 0.78rem/1 var(--mono); letter-spacing: 0.02em; text-transform: none; font-variant-numeric: tabular-nums; }
.hint { grid-column: 2 / -1; margin-top: 2px; font: 400 0.7rem/1.4 var(--sans); letter-spacing: 0; text-transform: none; color: var(--muted); }

/* ---- subject picker: a search box with type chips ---------------------------------------------------------------------- */
.picker { position: relative; z-index: 5; background: var(--panel); border-top: 1px solid var(--line-strong); padding: 12px 16px 14px; }
.picker[hidden] { display: none; }
.picker-bar { display: flex; align-items: center; gap: 12px; }
#target-search { flex: 1 1 0; width: 0; min-width: 0; min-height: 44px; padding: 8px 12px; background: var(--bg); color: var(--cream); border: 1px solid var(--line-strong); border-radius: 0; font: 400 1rem/1.3 var(--sans); }
#target-search::placeholder { color: var(--muted); }
#target-search:focus { outline: 2px solid var(--safelight); outline-offset: 0; }
.picker-count { margin: 8px 0 0; font: 400 0.7rem/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--pink); }
.picker-count:empty { display: none; }
#surprise { flex: none; min-height: 44px; padding: 8px 14px; background: transparent; color: var(--cream); border: 1px solid var(--line-strong); border-radius: 0; font: 500 0.78rem/1.2 var(--display); letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; }
#surprise:hover { border-color: var(--cream); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chips:empty { display: none; }
.chips button { min-height: 32px; padding: 4px 10px; background: transparent; color: var(--cream); border: 1px solid var(--line); border-radius: 0; font: 500 0.7rem/1.2 var(--display); letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; }
.chips button[aria-pressed="true"] { border-color: var(--safelight); color: var(--safelight); }
.picker-list { position: absolute; left: 0; right: 0; top: 100%; margin: 0; padding: 0; list-style: none; max-height: min(60vh, 22rem); overflow-y: auto; background: var(--panel); border: 1px solid var(--line-strong); border-top: 2px solid var(--safelight); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5); }
.picker-list[hidden] { display: none; }
.picker-list li { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 16px; border-bottom: 1px solid var(--line); cursor: pointer; }
.picker-list li:last-child { border-bottom: 0; }
.picker-list li[aria-selected="true"] { background: rgba(250, 25, 145, 0.14); box-shadow: inset 3px 0 0 var(--safelight); }
.picker-list .opt-thumb { flex: none; width: 72px; height: 54px; object-fit: cover; background: #000; border: 1px solid var(--line); }
.picker-list .opt-text { display: flex; flex: 1 1 auto; min-width: 0; align-items: baseline; justify-content: space-between; gap: 4px 12px; flex-wrap: wrap; }
.picker-list .opt-name { flex: none; white-space: nowrap; font: 700 0.95rem/1.2 var(--display); letter-spacing: 0.04em; text-transform: uppercase; color: var(--pink); }
.picker-list .current .opt-name::after { content: " \25CF"; color: var(--safelight); }
.picker-list .opt-meta { font: 400 0.68rem/1.3 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); text-align: right; }
.picker-list .opt-go { display: none; flex: none; font: 600 0.66rem/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--safelight); }
.picker-list li.armed .opt-go { display: block; }
.picker-list li.armed { background: rgba(250, 25, 145, 0.24); }
.picker-list .none { color: var(--muted); font-size: 0.85rem; cursor: default; }

/* ---- recipes and buttons ------------------------------------------------------------------------------------------------------ */
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.presets button, .actions button { min-height: 44px; padding: 8px 12px; background: transparent; color: var(--cream); border: 1px solid var(--line-strong); border-radius: 0; font: 600 0.74rem/1.2 var(--sans); letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; }
.presets button { flex: 1 1 auto; }
.presets button[aria-pressed="true"], .actions button[aria-pressed="true"] { border-color: var(--safelight); color: var(--safelight); box-shadow: inset 0 0 0 1px var(--safelight); }
.actions { display: grid; gap: 6px; margin-top: 16px; }
.actions #save { background: var(--safelight); border-color: var(--safelight); color: var(--panel); font-weight: 600; }
button:hover:not([aria-pressed="true"]):not(#save) { border-color: var(--cream); }
.actions #save:hover { background: #ff4fae; border-color: #ff4fae; }

/* ---- sliders: hairline track, square red handle ----------------------------------------------------------------------- */
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; margin: 0; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--line-strong); }
input[type="range"]::-moz-range-track { height: 2px; background: var(--line-strong); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 22px; margin-top: -10px; background: var(--safelight); border: 0; border-radius: 0; }
input[type="range"]::-moz-range-thumb { width: 14px; height: 22px; background: var(--safelight); border: 0; border-radius: 0; }

/* ---- layers ------------------------------------------------------------------------------------------------------------------------ */
.layers { list-style: none; margin: 0; padding: 0; font-size: 0.85rem; }
.layers li { display: flex; align-items: center; gap: 10px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.layers li:last-child { border-bottom: 0; }
.layers .swatch { width: 14px; height: 14px; border: 1px solid var(--line-strong); flex: none; }
.layers .meta { color: var(--muted); margin-left: auto; font: 400 0.66rem/1.3 var(--mono); letter-spacing: 0.03em; text-align: right; }
.layers input[type="color"] { -webkit-appearance: none; appearance: none; width: 28px; height: 28px; padding: 0; border: 1px solid var(--line-strong); border-radius: 0; background: none; cursor: pointer; flex: none; }
.layers input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.layers input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 0; }
.layers input[type="color"]::-moz-color-swatch { border: 0; border-radius: 0; }

/* ---- black point comparison: a contact sheet -------------------------------------------------------------------------------- */
.strips { padding: 14px 16px 16px; }
.strips h3 { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 0 0 12px; font: 500 0.78rem/1.3 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream); }
.strips h3::before { content: none; }
.strips .hint { grid-column: auto; margin: 0; }
.tiles { display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 700px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.tile { position: relative; padding: 0; border: 1px solid var(--line); border-radius: 0; overflow: hidden; background: #000; cursor: pointer; }
.tile[aria-pressed="true"] { border-color: var(--safelight); box-shadow: inset 0 0 0 1px var(--safelight); }
.tile canvas { display: block; width: 100%; height: auto; }
.tile span { position: absolute; left: 0; bottom: 0; padding: 3px 8px; font: 400 0.68rem/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--cream); background: var(--panel); }
.tile[aria-pressed="true"] span { color: var(--panel); background: var(--safelight); }

/* ---- footer ------------------------------------------------------------------------------------------------------------------------ */
footer { max-width: 1280px; margin: 0 auto; padding: 4px 16px 28px; }
.colophon { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-top: 12px; border-top: 1px solid var(--line-strong); }
footer p { margin: 0; max-width: 70ch; font: 400 0.7rem/1.6 var(--mono); letter-spacing: 0.02em; color: var(--muted); }
.tag { flex: none; padding: 5px 10px; border: 1px solid var(--line-strong); text-align: center; font: 400 0.62rem/1.45 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

button:focus-visible, input:focus-visible { outline: 2px solid var(--pink); outline-offset: 2px; }
@media (prefers-reduced-motion: no-preference) { .safelight::before { animation: glow 4s ease-in-out infinite alternate; } }
@keyframes glow { from { box-shadow: 0 0 8px 2px rgba(250, 25, 145, 0.4); } to { box-shadow: 0 0 12px 4px rgba(250, 25, 145, 0.65); } }