/* ========== LAB APPS ==========
   Two things, both laid out like an app store: the shelf of app cards on
   the Lab page (built by lab.js) and an app's own page (apps/<id>.html,
   built by app-page.js). Colours (--g-*) come from gallery.css. */

/* ---- icon tile (apps.js: labAppIcon) ---- */
.app-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: var(--icon, 72px);
  aspect-ratio: 1 / 1;
  border-radius: 22.5%;
  overflow: hidden;
  background: var(--g-card);
  box-shadow: inset 0 0 0 1px var(--g-line);
}
.app-icon img { display: block; width: 100%; height: 100%; object-fit: cover; }
.app-icon.is-letter {
  font-family: var(--font-display);
  font-size: calc(var(--icon, 72px) * 0.46);
  font-weight: 600;
  line-height: 1;
  color: var(--dark-ink);                  /* the tile is dark in either theme */
  background: linear-gradient(160deg, #26262b, #17171a);
}

/* ---- how finished it is (apps.js: stage): a small tag after the name ---- */
.app-stage {
  display: inline-block;
  margin-left: 0.7em;
  padding: 3px 8px;
  border: 1px solid var(--g-line);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  vertical-align: middle;
  color: var(--g-muted);
}
/* each stage has its colour from the site palette (tokens.css): a tinted
   pill with the colour on its edge and text */
.app-stage:is(.is-alpha, .is-beta, .is-experimental) {
  border-color: color-mix(in srgb, var(--stage) 55%, transparent);
  background: color-mix(in srgb, var(--stage) 16%, transparent);
  color: color-mix(in srgb, var(--stage) 78%, var(--g-ink));
}
.app-stage.is-alpha { --stage: var(--c-orange); }
.app-stage.is-beta { --stage: var(--c-blue); }
.app-stage.is-experimental { --stage: var(--c-purple); }

/* ---- an app's post in the Lab feed (lab.js): cover picture, then a row
   with its icon, name and a View button; the whole post is one link ---- */
.app-entry-link { display: block; margin-top: 14px; color: var(--g-ink); text-decoration: none; }
.app-entry-cover {
  display: block;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  background: var(--g-well);
}
.app-entry-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: scale 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.app-entry-link:hover .app-entry-cover img { scale: 1.02; }
.app-entry-link:focus-visible { outline: 1px solid var(--g-ink); outline-offset: 6px; }
.app-entry .app-card { padding: 16px 0 0; border-bottom: 0; }
.app-card {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--g-line);
  color: var(--g-ink);
}
.app-card-text { flex: 1; min-width: 0; display: grid; gap: 3px; }
.app-card-name { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.01em; }
.app-card-sub {
  font-size: 13px;
  line-height: 1.4;
  color: var(--g-muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}
.app-card-get,
.app-btn {
  flex: none;
  padding: 8px 18px;
  border: 1px solid var(--g-line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-ink);
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.app-entry-link:hover .app-card-get,
.app-btn:hover,
.app-btn.is-primary { background: var(--g-ink); border-color: var(--g-ink); color: var(--g-bg); }
.app-btn.is-primary:hover { background: color-mix(in srgb, var(--g-ink) 82%, var(--g-bg)); border-color: transparent; }
.app-btn:focus-visible { outline: 1px solid var(--g-ink); outline-offset: 4px; }

/* ---- an app's own page (app-page.js) ----
   A product presentation rather than a shop listing: big type, the app as a
   wide picture, then sections with a small label in the left margin and the
   content beside it, separated by hairlines instead of boxed into cards. */
.app-page {
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(104px, 15vh, 160px) var(--g-gutter) clamp(80px, 12vh, 160px);
  color: var(--g-ink);
}
.app-back {
  display: inline-block;
  margin-bottom: clamp(36px, 7vh, 72px);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}
.app-back:hover { color: var(--g-ink); }

/* Pictures have no outline. They are lifted off the page by a soft shadow
   instead: a tight one right under the edge and a wide, faint one further
   down, so they seem to float a little above it. */
.app-page {
  --float: 0 1px 2px rgba(0, 0, 0, 0.5), 0 18px 40px -12px rgba(0, 0, 0, 0.7), 0 50px 110px -30px rgba(0, 0, 0, 0.75);
  --float-small: 0 1px 2px rgba(0, 0, 0, 0.45), 0 12px 28px -10px rgba(0, 0, 0, 0.7), 0 30px 60px -24px rgba(0, 0, 0, 0.6);
}

/* light theme: the same lift with a much lighter touch, and the changelog's
   tag colours deepened so they still read on white */
html[data-theme="light"] .app-page {
  --float: 0 1px 2px rgba(11, 11, 12, 0.06), 0 18px 40px -12px rgba(11, 11, 12, 0.16), 0 50px 110px -30px rgba(11, 11, 12, 0.22);
  --float-small: 0 1px 2px rgba(11, 11, 12, 0.06), 0 12px 28px -10px rgba(11, 11, 12, 0.16), 0 30px 60px -24px rgba(11, 11, 12, 0.18);
}
html[data-theme="light"] .app-log-body b { color: color-mix(in srgb, currentColor 62%, var(--g-ink)); }

/* small print: labels, kickers, counts */
.app-kicker,
.app-stats dt,
.app-info dt {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  color: var(--g-muted);
}

/* ---- opening: the kicker, then the title across the full width; under
   it a row with the line about the app and its buttons on the left and the
   release facts on the right, ending on the same line ---- */
.app-hero-row {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(260px, 3fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
  margin-top: clamp(28px, 4vw, 56px);
}
.app-hero-main { min-width: 0; }
.app-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 0; }
.app-kicker > span:not(.app-stage) + span:not(.app-stage)::before { content: '·'; margin: 0 10px; }
.app-kicker .app-stage { margin-left: 14px; }
.app-title {
  margin-top: clamp(18px, 2.4vw, 30px);
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 8.5rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.05em;
  text-wrap: balance;
}
.app-subtitle {
  max-width: 26ch;
  font-size: clamp(1.25rem, 2.3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--g-text);
  text-wrap: balance;
}
.app-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(28px, 3.4vw, 44px); }
.app-btn { padding: 12px 24px; }

/* the app itself */
.app-cover { margin-top: clamp(56px, 8vw, 120px); }
.app-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: clamp(10px, 1.4vw, 20px);
  background: var(--g-well);
  box-shadow: var(--float);
  cursor: zoom-in;
}

/* release facts: a short spec list beside the title, the way a release
   page lists version and platform. Label on the left, value on the right,
   a hairline under each. */
.app-stats { border-top: 1px solid var(--g-line); }
.app-stats > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--g-line);
}
.app-stats dd { font-size: 1rem; line-height: 1.3; text-align: right; }

/* ---- sections: one grid for all of them (app-page.js: section). Each
   numbered label sits in the left column, is sticky, and spans from its own
   row to the last, so it stays pinned for the rest of the page; staggered
   `top` offsets make the labels pile up into a list as you scroll, the way
   they do on the project pages. The content sits beside, on a hairline. ---- */
.app-body {
  --pad: clamp(56px, 9vw, 130px);          /* air above each section */
  --step: 30px;                            /* vertical pitch of the piled labels */
  --pin: 96px;                             /* where the pile starts: clear of the site nav */
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(0, 4fr);
  column-gap: clamp(20px, 3vw, 40px);
}
.app-body > .app-row {
  grid-column: 2;
  grid-row: var(--r);
  min-width: 0;
  margin-top: var(--pad);
  padding-top: 20px;
  border-top: 1px solid var(--g-line);
}
.app-body > .app-label {
  grid-column: 1;
  grid-row: var(--r) / span calc(var(--n) - var(--r) + 1);
  align-self: start;
  position: sticky;
  top: calc(var(--pin) + (var(--r) - 1) * var(--step));
  margin-top: calc(var(--pad) + 20px);
  /* keeps the pile intact when the page's end pushes the labels out */
  margin-bottom: calc((var(--n) - var(--r)) * var(--step));
  font-size: 12px;
  font-weight: 400;
  line-height: var(--step);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
/* each label is a button: click to glide to its section; the one being read is lit */
.app-jump {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--g-muted);
  cursor: pointer;
  transition: color 0.3s ease;
}
.app-jump i { font-style: normal; opacity: 0.6; }
.app-jump:hover,
.app-label.is-current .app-jump { color: var(--g-ink); }
.app-jump:focus-visible { outline: 1px solid var(--g-ink); outline-offset: 4px; }

.app-text {
  max-width: 62ch;
  font-size: clamp(1.02rem, 1.25vw, 1.15rem);
  line-height: 1.6;
  color: var(--g-text);
}
.app-text + .app-text { margin-top: 14px; }
.app-lead {
  max-width: 24ch;
  font-size: clamp(1.7rem, 3.8vw, 3.4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: clamp(22px, 3vw, 36px);
  text-wrap: balance;
}
.app-more { display: inline-block; margin-top: 22px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--g-muted); text-decoration: none; transition: color 0.25s ease; }
.app-more:hover { color: var(--g-ink); }

/* headline figures: big numbers on a hairline, no boxes */
.app-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 40px);
  margin-top: clamp(40px, 6vw, 80px);
}
.app-highlights > div { display: grid; gap: 12px; align-content: start; padding-top: 16px; border-top: 1px solid var(--g-line); }
.app-highlights strong {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
}
.app-highlights span,
.app-steps li > span:last-child,
.app-features li > span:last-child { max-width: 44ch; font-size: 0.98rem; line-height: 1.5; color: var(--g-muted); }

/* a closer look: a picture and its text side by side, swapping sides down the
   page; a click on the picture opens it full screen */
.app-spots { display: grid; gap: clamp(56px, 9vw, 130px); }
.app-spots figure {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: center;
}
.app-spots figure:nth-child(even) { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); }
.app-spots figure:nth-child(even) img { order: 2; }
.app-spots img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: clamp(8px, 1vw, 14px);
  background: var(--g-well);
  box-shadow: var(--float);
  cursor: zoom-in;
}
.app-spots figcaption { display: grid; gap: 12px; align-content: start; }
.app-spots figcaption i {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--g-muted);
}
.app-spots strong {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.app-spots figcaption > span:last-child { max-width: 40ch; font-size: clamp(1rem, 1.2vw, 1.1rem); line-height: 1.55; color: var(--g-muted); }

/* how it works: numbered columns on a hairline */
.app-steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 40px); }
.app-steps > li { display: grid; gap: 10px; align-content: start; padding-top: 16px; border-top: 1px solid var(--g-line); }
.app-steps strong { font-size: clamp(1.2rem, 1.8vw, 1.5rem); font-weight: 500; letter-spacing: -0.02em; }
.app-step-no { font-size: 12px; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; color: var(--g-muted); }

/* features: a two-column list under group headings. Each row is a small
   line icon, the feature's name, and a line about it, on a hairline. */
.app-group {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: clamp(56px, 7vw, 96px) 0 clamp(18px, 2vw, 26px);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--g-ink);
}
.app-row > .app-group:first-child { margin-top: 0; }
.app-group i { font-style: normal; font-size: 12px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--g-muted); }
.app-features { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 5vw, 80px); }
.app-features > li {
  display: grid;
  grid-template-columns: 22px minmax(0, 5fr) minmax(0, 7fr);
  gap: 6px clamp(14px, 1.6vw, 22px);
  align-items: start;
  padding: clamp(20px, 2.2vw, 28px) 0 clamp(22px, 2.4vw, 30px);
  border-top: 1px solid var(--g-line);
}
.app-features strong { font-size: 1rem; font-weight: 500; line-height: 1.4; letter-spacing: -0.01em; }
.app-features li > span:last-child { line-height: 1.55; }
.app-feature-icon { display: block; width: 22px; height: 22px; margin-top: 1px; color: var(--g-muted); transition: color 0.3s ease; }
.app-features > li:hover .app-feature-icon { color: var(--g-ink); }
.app-feature-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* how to start: label + command, monospaced */
.app-commands { margin-top: 22px; border-top: 1px solid var(--g-line); }
.app-commands > div {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) 3fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--g-line);
}
.app-commands dt { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--g-muted); }
.app-commands dd { font-family: var(--font-mono); font-size: 0.9rem; overflow-wrap: anywhere; }

/* changelog: version on the left, what changed on the right */
.app-log { list-style: none; }
.app-log > li {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 4fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--g-line);
}
.app-log > li:first-child { padding-top: 0; }
.app-log-head { display: flex; flex-wrap: wrap; align-items: baseline; align-content: start; gap: 6px 10px; }
.app-log-head strong { font-size: 1.05rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.app-log-head em {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--g-ink);
  color: var(--g-bg);
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.app-log-head span { flex-basis: 100%; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--g-muted); }
.app-log-body p { max-width: 68ch; font-size: 0.98rem; line-height: 1.55; color: var(--g-text); }
.app-log-body ul { list-style: none; display: grid; gap: 10px; margin-top: 16px; }
.app-log-body li { display: grid; grid-template-columns: 76px 1fr; gap: 12px; align-items: baseline; font-size: 0.92rem; line-height: 1.5; color: var(--g-muted); }
.app-log-body b {
  justify-self: start;
  padding: 2px 8px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px currentColor;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-ink);
}
.app-log-body b.is-new { color: #5fd3a0; }
.app-log-body b.is-fix { color: #f58a9c; }
.app-log-body b.is-polish { color: #c79bf7; }
.app-log-body b.is-refactor { color: #86b3f8; }

/* pictures: a row you scroll sideways, bleeding to the right edge on phones */
.app-shots {
  display: flex;
  gap: clamp(12px, 1.6vw, 20px);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  /* a sideways scroller clips what sticks out of it; this room (taken back
     by the margins) is where the pictures' shadows fall */
  padding: 16px 24px 64px;
  margin: -16px -24px -44px;
}
.app-shots::-webkit-scrollbar { display: none; }
.app-shots img { box-shadow: var(--float-small); }
/* with a mouse the strip is dragged (app-page.js); snapping is for touch
   only, since it would yank a dragged strip back when the mouse lets go */
@media (hover: hover) and (pointer: fine) {
  .app-shots { cursor: grab; user-select: none; -webkit-user-select: none; scroll-snap-type: none; }
  .app-shots.is-held { cursor: grabbing; }
}
.app-shots figure { flex: none; width: clamp(180px, 24vw, 260px); scroll-snap-align: start; }
.app-shots img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  background: var(--g-well);
  cursor: zoom-in;
}
/* screenshots: wide, most of the column each */
.app-shots.is-wide figure { width: min(78%, 980px); }
.app-shots.is-wide img { aspect-ratio: 16 / 10; border-radius: clamp(8px, 1vw, 14px); }
/* phone screenshots: tall, with a phone's rounded corners */
.app-shots.is-phone figure { width: clamp(190px, 21vw, 270px); }
.app-shots.is-phone img { aspect-ratio: 390 / 844; border-radius: clamp(22px, 2.4vw, 32px); }
.app-shots figcaption {
  margin-top: 12px;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-muted);
}

/* ---- page dots (app-page.js: dots): one per picture, under a strip.
   Indicators only ---- */
.app-dots { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.app-dots[hidden] { display: none; }
.app-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--g-ink) 22%, transparent);
  transition: background-color 0.3s ease;
}
.app-dots i.is-active { background: var(--g-ink); }

.app-info > div {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 3fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--g-line);
}
.app-info > div:first-child { padding-top: 0; }
.app-info dd { font-size: 0.98rem; line-height: 1.5; }

@media (max-width: 900px) {
  .app-hero-row { grid-template-columns: minmax(0, 1fr); gap: clamp(32px, 7vw, 48px); }
  /* no room for a margin column: each label sits above its section, unpinned */
  .app-body { display: block; }
  .app-body > .app-label { position: static; margin: var(--pad) 0 0; padding-top: 18px; border-top: 1px solid var(--g-line); }
  .app-body > .app-row { margin-top: 14px; padding-top: 0; border-top: 0; }
  .app-features { grid-template-columns: minmax(0, 1fr); }
  .app-spots figure,
  .app-spots figure:nth-child(even) { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .app-spots figure:nth-child(even) img { order: 0; }
}
@media (max-width: 768px) {
  .app-steps,
  .app-highlights { grid-template-columns: 1fr; }
  .app-log > li { grid-template-columns: 1fr; gap: 10px; }
  .app-log-body li { grid-template-columns: 1fr; gap: 4px; }
  .app-commands > div { grid-template-columns: 1fr; gap: 4px; }
  .app-shots.is-wide figure { width: 88%; }
  .app-shots { margin-right: calc(var(--g-gutter) * -1); padding-right: var(--g-gutter); margin-left: -16px; padding-left: 16px; }
  .app-info > div { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 520px) {
  /* icon beside the name, the line underneath */
  .app-features > li { grid-template-columns: 22px minmax(0, 1fr); }
  .app-features li > span:last-child { grid-column: 2; }
}