/* FILMROLL Darkroom. Dark like the lab, amber like the edge print, red under
 * the safelight while a roll develops. */
:root {
  --bg: #0b0a09;
  --panel: #161411;
  --panel-2: #1e1b17;
  --line: #2b2723;
  --text: #f1ebe1;
  --dim: #9a9184;
  --faint: #5f584f;
  --amber: #f0a43a; /* the edge print */
  --amber-2: #ef8a26;
  --amber-ink: #1b1006;
  --safelight: #c2271b;
  --base: #20180f; /* film base */
  --hole: #e9e3d6;
  --paper: #e4e0d8;
  --ink: #141210;
  --orange: #ef8a26;
  --yellow: #f0c22e;
  --red: #c8341f;
  --green: #2e8c58;
  --blue: #2f63b2;
  --cond: "DIN Condensed", "DIN Alternate", Bahnschrift, "Arial Narrow", "Roboto Condensed", sans-serif;
  --mono: ui-monospace, "SF Mono", "Lucida Console", Menlo, monospace;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

/* film grain over everything, very faint */
body::before {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 100;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

body.safelight {
  --bg: #120302;
  --panel: #1c0605;
  --line: #3a0d0a;
  --text: #ff8f7c;
  --dim: #b4473a;
  --amber: #ff6a52;
}

body,
.bar {
  transition: background-color 0.8s var(--ease);
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[hidden] {
  display: none !important;
}

/* ---- top bar ---- */

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: calc(52px + var(--safe-t));
  padding: var(--safe-t) 16px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.bar h1 {
  margin: 0;
  font: 400 23px/1 var(--cond);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
}

.bar h1 span {
  color: var(--amber);
  font-weight: 700;
}

.back {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-left: -8px;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--amber);
}

.back svg {
  width: 24px;
  height: 24px;
  stroke-width: 2.4;
}

/* ---- install hint (iPhone, in Safari) ---- */

.install {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 12px 16px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  font-size: 14px;
  color: var(--dim);
}

.install p {
  margin: 0;
  flex: 1;
}

.install b {
  color: var(--text);
}

.install svg {
  width: 16px;
  height: 16px;
  vertical-align: -3px;
  color: var(--amber);
}

.install button {
  border: 0;
  background: none;
  color: var(--faint);
  font-size: 16px;
}

/* ---- layout ---- */

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px 16px calc(120px + var(--safe-b));
}

.view {
  animation: rise 0.35s var(--ease);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.section + .section {
  margin-top: 28px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font: 700 22px/1 var(--cond);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.step i {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--amber-ink);
  font: 700 16px/1 var(--cond);
}

.status {
  margin: 8px 0 0;
  color: var(--dim);
  font-size: 14px;
}

.edge {
  margin: 0 0 4px;
  font: 12px/1 var(--mono);
  letter-spacing: 0.12em;
  color: var(--amber);
  text-transform: uppercase;
}

/* ---- the binder: film strips ---- */

.rolls {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr));
}

.roll-card {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  animation: rise 0.4s var(--ease) both;
}

.filmstrip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 22px 8px;
  border-radius: 6px;
  background: var(--base);
  box-shadow: 0 10px 30px #0008;
  transition: transform 0.25s var(--ease);
}

.roll-card:active .filmstrip {
  transform: scale(0.98);
}

/* sprocket holes, top and bottom */
.filmstrip::before,
.filmstrip::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  height: 7px;
  background: repeating-linear-gradient(90deg, var(--hole) 0 9px, transparent 9px 21px);
  border-radius: 2px;
  opacity: 0.9;
}

.filmstrip::before {
  top: 7px;
}

.filmstrip::after {
  bottom: 7px;
}

.filmstrip img,
.filmstrip .blank {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
  background: #0d0a07;
}

.roll-card .meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
}

.roll-card .dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent, var(--amber));
  transform: translateY(-1px);
}

.roll-card b {
  font: 700 22px/1 var(--cond);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.roll-card small {
  display: block;
  color: var(--dim);
  font-size: 13px;
  margin-top: 3px;
}

.empty {
  max-width: 340px;
  margin: 12vh auto 0;
  text-align: center;
  color: var(--dim);
}

.empty h2 {
  margin: 14px 0 6px;
  font: 700 26px/1 var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
}

.canister {
  width: 120px;
  height: 120px;
  color: var(--amber);
  stroke-width: 2.2;
}

.canister text {
  fill: var(--amber);
  stroke: none;
  font: 700 20px var(--cond);
  text-anchor: middle;
}

.canister .leader {
  stroke-dasharray: 3 4;
}

/* ---- negatives ---- */

.picks {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}

.pick {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.pick:hover,
.pick:focus-within {
  border-color: var(--amber);
}

.pick input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.pick svg {
  grid-row: span 2;
  width: 30px;
  height: 30px;
  color: var(--amber);
}

.pick span {
  font: 700 20px/1.1 var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pick small {
  color: var(--dim);
  font-size: 13px;
}

.card-rolls {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.card-roll {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  text-align: left;
  font-size: 14px;
}

.card-roll small {
  color: var(--dim);
}

.card-roll.on {
  border-color: var(--amber);
  background: var(--panel-2);
}

.neg {
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.strip-mini {
  display: flex;
  gap: 4px;
  overflow: hidden;
  padding: 10px 6px;
  border-radius: 4px;
  background: var(--base);
  background-image: repeating-linear-gradient(90deg, var(--hole) 0 6px, transparent 6px 14px),
    repeating-linear-gradient(90deg, var(--hole) 0 6px, transparent 6px 14px);
  background-size: 100% 4px, 100% 4px;
  background-position: 0 3px, 0 calc(100% - 3px);
  background-repeat: repeat-x;
}

.strip-mini img {
  flex: none;
  height: 52px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
  filter: invert(1) sepia(0.6) saturate(1.4) hue-rotate(-20deg); /* negatives look like negatives */
}

/* ---- film: preview and shelf ---- */

.preview {
  position: relative;
  margin: 0 0 14px;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 16px 40px #000a;
}

.preview canvas {
  display: block;
  width: 100%;
  max-height: 56vh;
  object-fit: contain;
  transition: opacity 0.25s;
}

.preview.busy canvas {
  opacity: 0.7;
}

.preview figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 26px 12px 10px;
  background: linear-gradient(transparent, #000c);
  font: 12px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.preview figcaption small {
  color: #fff8;
}

.shelf-wrap {
  margin: 0 -16px;
}

.shelf {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 16px 14px;
  scroll-padding: 0 16px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.shelf::-webkit-scrollbar {
  display: none;
}

.box {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 31% 69%;
  width: 252px;
  height: 86px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  scroll-snap-align: center;
  box-shadow: 0 6px 18px #0009;
  opacity: 0.55;
  transform: scale(0.94);
  transition: opacity 0.2s, transform 0.25s var(--ease), box-shadow 0.25s;
}

.box.on {
  opacity: 1;
  transform: none;
  box-shadow: 0 0 0 2px var(--amber), 0 10px 26px #000c;
}

.box .speed {
  display: grid;
  place-content: center;
  text-align: center;
  background: var(--accent);
  color: #fff;
}

.box .speed b {
  font: 700 33px/0.9 var(--cond);
}

.box .speed small,
.box .label small {
  margin-top: 5px;
  font: 9px/1.2 var(--mono);
  letter-spacing: 0.02em;
}

.box .label {
  display: grid;
  align-content: center;
  padding: 0 12px;
  border-top: 7px solid var(--accent);
}

.box .label b {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font: 700 25px/1 var(--cond);
}

.box .label small {
  color: #5b5650;
}

.accent-orange { --accent: var(--orange); }
.accent-yellow { --accent: var(--yellow); }
.accent-yellow .speed { color: #111; }
.accent-red { --accent: var(--red); }
.accent-green { --accent: var(--green); }
.accent-blue { --accent: var(--blue); }

.accent-mono {
  --accent: #474747;
  background: #050505;
  color: #fff;
}

.accent-mono .speed {
  background: #f4f4f4;
  color: #000;
}

.accent-mono .label small {
  color: #9a9a9a;
}

.tagline {
  margin: 4px 0 0;
  text-align: center;
  color: var(--dim);
  font-style: italic;
}

/* ---- lab options ---- */

.opts {
  display: grid;
  gap: 14px;
}

.opt {
  display: grid;
  gap: 7px;
}

.opt > span {
  font: 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

.seg {
  display: flex;
  padding: 3px;
  gap: 3px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.seg button {
  flex: 1;
  min-height: 38px;
  padding: 6px 4px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--dim);
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}

.seg button.on {
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
}

/* ---- the dock: the next action, where a thumb is ---- */

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px calc(12px + var(--safe-b));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  animation: rise 0.3s var(--ease);
}

.dock p {
  flex: 1;
  margin: 0;
  font-size: 13px;
  color: var(--dim);
  line-height: 1.3;
}

.dock p b {
  display: block;
  color: var(--text);
  font: 700 17px/1.1 var(--cond);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.cta {
  flex: none;
  min-width: 140px;
  padding: 14px 22px;
  border: 0;
  border-radius: 14px;
  background: var(--amber);
  color: var(--amber-ink);
  font: 700 19px/1 var(--cond);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--amber) 35%, transparent);
  transition: transform 0.15s, opacity 0.2s;
}

.cta:active {
  transform: scale(0.97);
}

.cta:disabled {
  opacity: 0.3;
  box-shadow: none;
}

.link {
  display: block;
  margin: 28px auto 0;
  border: 0;
  background: none;
  color: var(--dim);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.danger {
  color: #d9705e;
}

/* ---- the tray ---- */

#tank h2 {
  margin: 6px 0 0;
  font: 700 30px/1 var(--cond);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.meter {
  height: 3px;
  margin-top: 14px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.meter div {
  height: 100%;
  width: 0;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  transition: width 0.4s var(--ease);
}

.tray {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  margin-top: 22px;
}

.tray img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 3px;
  animation: develop 2.4s var(--ease) both;
}

/* a print coming up in the developer */
@keyframes develop {
  from {
    opacity: 0;
    filter: brightness(0.15) contrast(0.6) blur(2px);
  }
  40% {
    opacity: 1;
  }
  to {
    filter: none;
  }
}

/* ---- a roll ---- */

.roll-title {
  margin: 4px 0 0;
  font: 700 34px/1 var(--cond);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  margin: 16px 0 14px;
  padding: 3px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.tabs button {
  padding: 8px 16px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--dim);
  font-size: 14px;
}

.tabs button.on {
  background: var(--panel-2);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line);
}

.prints {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(min(46%, 220px), 1fr));
}

.prints button {
  position: relative;
  padding: 0;
  border: 0;
  border-radius: 4px;
  overflow: hidden;
  background: #0d0a07;
  aspect-ratio: 3 / 2;
  animation: rise 0.4s var(--ease) both;
}

.prints img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s var(--ease);
}

.prints button:hover img {
  transform: scale(1.03);
}

.prints .num {
  position: absolute;
  left: 7px;
  bottom: 5px;
  font: 11px/1 var(--mono);
  color: var(--amber);
  text-shadow: 0 1px 3px #000;
}

.prints .missing {
  display: grid;
  place-items: center;
  color: var(--faint);
  font: 11px var(--mono);
  text-transform: uppercase;
  outline: 1px dashed var(--line);
}

.sheet {
  display: block;
  width: 100%;
  border-radius: 6px;
  background: #fff;
}

/* ---- viewer ---- */

.viewer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: #000;
  animation: fade 0.2s;
}

@keyframes fade {
  from {
    opacity: 0;
  }
}

.viewer img {
  max-width: 100vw;
  max-height: 100dvh;
  object-fit: contain;
  transition: opacity 0.18s;
}

.viewer-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(10px + var(--safe-t)) 14px 10px;
  background: linear-gradient(#000b, #0000);
}

.viewer-top .edge {
  margin: 0;
}

.round {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: #fff2;
  color: #fff;
}

.pill {
  padding: 8px 16px;
  border: 0;
  border-radius: 20px;
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
}

.nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 64px;
  border: 0;
  border-radius: 10px;
  background: #0007;
  color: #fff;
  font-size: 34px;
}

.nav.prev {
  left: 8px;
}

.nav.next {
  right: 8px;
}

@media (hover: none) {
  .nav {
    display: none; /* swipe instead */
  }
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(96px + var(--safe-b));
  transform: translateX(-50%);
  z-index: 40;
  max-width: calc(100vw - 32px);
  padding: 11px 16px;
  border-radius: 12px;
  background: #2b2723;
  box-shadow: 0 10px 30px #000a;
  font-size: 14px;
  animation: rise 0.25s var(--ease);
}

@media (min-width: 760px) {
  .tray {
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}