/* The app store pages (the home page and the page of each app), on top of site.css */
:root {
  --s-bg: #f5f4f0;
  --s-card: #ffffff;
  --s-soft: #ecebe6;
  --s-shadow: 0 1px 2px rgba(20, 20, 18, 0.06), 0 6px 20px rgba(20, 20, 18, 0.06);
  --s-shadow-hi: 0 2px 4px rgba(20, 20, 18, 0.08), 0 14px 34px rgba(20, 20, 18, 0.12);
  --s-hero: linear-gradient(135deg, #1f3f5e 0%, #2b5d8a 55%, #4f86b4 100%);
  --s-get: #1f6feb;
  --s-get-ink: #ffffff;
  --s-device: #2a2a28;
}
@media (prefers-color-scheme: dark) {
  :root {
    --s-bg: #121211;
    --s-card: #1c1c1b;
    --s-soft: #262624;
    --s-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 6px 20px rgba(0, 0, 0, 0.3);
    --s-shadow-hi: 0 2px 4px rgba(0, 0, 0, 0.5), 0 14px 34px rgba(0, 0, 0, 0.45);
    --s-hero: linear-gradient(135deg, #10202f 0%, #1b3b58 55%, #2b5d8a 100%);
    --s-get: #4c8dff;
    --s-device: #34342f;
  }
}

body.store { background: var(--s-bg); }
body.store .wrap { max-width: 1120px; }
body.store main { padding-top: 0; }
body.store header.site { position: sticky; top: 0; z-index: 10; background: var(--s-bg); border-bottom-color: transparent; }
body.store header.site .home { font-size: 1.05rem; letter-spacing: -0.01em; }
body.store footer.site { border-top: 0; }

/* buttons */
.get { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 700;
  font-size: 0.9rem; border: 0; border-radius: 999px; padding: 6px 16px; background: var(--s-soft); color: var(--s-get);
  text-decoration: none; cursor: pointer; white-space: nowrap; transition: filter 0.15s, transform 0.15s; }
.get:hover { filter: brightness(0.96); }
.get:active { transform: scale(0.97); }
.get.primary { background: var(--s-get); color: var(--s-get-ink); }
.get.big { font-size: 1rem; padding: 10px 24px; }
.get[hidden] { display: none; }
.get svg { width: 16px; height: 16px; }

/* the hero */
.hero { position: relative; margin: 16px 0 28px; border-radius: 28px; background: var(--s-hero); color: #fff;
  overflow: hidden; display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; min-height: 340px; }
.hero::after { content: ''; position: absolute; inset: auto -10% -60% 40%; height: 120%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.18), transparent); pointer-events: none; }
.hero-text { padding: 44px 0 44px 48px; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 14px; }
.hero p { font-size: 1.1rem; line-height: 1.5; margin: 0 0 22px; color: rgba(255, 255, 255, 0.86); max-width: 34em; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; }
.hero .facts li { background: rgba(255, 255, 255, 0.14); border-radius: 999px; padding: 4px 12px; font-size: 0.88rem; font-weight: 600; }
.hero .get { background: #fff; color: #1f3f5e; }
.hero .get.ghost { background: rgba(255, 255, 255, 0.14); color: #fff; }
.hero-device { justify-self: center; position: relative; z-index: 1; padding: 28px 0; }

/* an X4 Pro drawn in CSS around a 480x800 screenshot */
.device { width: 210px; padding: 14px 14px 34px; border-radius: 26px; background: var(--s-device);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35), inset 0 0 0 2px rgba(255, 255, 255, 0.06); position: relative; }
.device::after { content: ''; position: absolute; left: 50%; bottom: 11px; width: 28px; height: 10px; margin-left: -14px;
  border-radius: 6px; background: rgba(255, 255, 255, 0.12); }
.device .screen { position: relative; aspect-ratio: 480 / 800; border-radius: 6px; overflow: hidden; background: #f2f1ec; }
.device img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.9s; }
.device img.on { opacity: 1; }
.hero .device { transform: rotate(-4deg); }

/* the reader panel */
.reader-panel { display: flex; gap: 18px; align-items: center; background: var(--s-card); border-radius: 20px; padding: 18px 22px;
  box-shadow: var(--s-shadow); margin: 0 0 28px; }
.reader-panel .ico { flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: var(--s-soft); color: var(--s-get); }
.reader-panel .ico svg { width: 26px; height: 26px; }
.reader-panel .txt { flex: 1; min-width: 0; }
.reader-panel strong { display: block; font-size: 1.02rem; }
.reader-panel p { margin: 2px 0 0; color: var(--muted); font-size: 0.93rem; }
.reader-panel .acts { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.reader-panel .msg { margin: 6px 0 0; font-size: 0.93rem; }
.reader-panel .msg:empty { display: none; }
.reader-panel.on .ico { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }

/* search and categories */
/* solid, so the tiles scrolling under it do not show through; the shadow reaches past the sides */
.toolbar { position: sticky; top: 50px; z-index: 5; padding: 10px 0 12px; margin-bottom: 4px; background: var(--s-bg);
  box-shadow: 0 0 0 100vmax var(--s-bg); clip-path: inset(-2px -100vmax 0 -100vmax); }
.search { position: relative; max-width: 520px; }
.search svg { position: absolute; left: 14px; top: 50%; width: 18px; height: 18px; margin-top: -9px; color: var(--muted); }
.search input { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--s-card); border: 0;
  border-radius: 999px; padding: 11px 16px 11px 42px; box-shadow: var(--s-shadow); outline: none; }
.search input:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--s-get) 35%, transparent), var(--s-shadow); }
.pills { display: flex; gap: 8px; overflow-x: auto; padding: 12px 2px 4px; scrollbar-width: none; }
.pills::-webkit-scrollbar { display: none; }
.pill { flex: none; font: inherit; font-weight: 600; font-size: 0.9rem; border: 0; border-radius: 999px; padding: 7px 14px;
  background: var(--s-card); color: var(--ink); box-shadow: var(--s-shadow); cursor: pointer; }
.pill[aria-pressed=true] { background: var(--ink); color: var(--s-bg); }

/* app tiles */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 30px 0 12px; }
.section-head h2 { margin: 0; font-size: 1.45rem; letter-spacing: -0.015em; }
.section-head span { color: var(--muted); font-size: 0.92rem; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.tile { position: relative; display: grid; grid-template-columns: 64px 1fr; grid-template-rows: auto 1fr auto; gap: 4px 14px;
  background: var(--s-card); border-radius: 20px; padding: 16px; box-shadow: var(--s-shadow); transition: box-shadow 0.2s, transform 0.2s; }
.tile:hover { box-shadow: var(--s-shadow-hi); transform: translateY(-2px); }
.tile .appicon { grid-row: 1 / 3; }
.tile h3 { margin: 2px 0 0; font-size: 1.05rem; line-height: 1.25; }
.tile h3 a { color: var(--ink); text-decoration: none; }
.tile h3 a::after { content: ''; position: absolute; inset: 0; border-radius: 20px; }   /* the whole tile opens the app */
.tile .sum { color: var(--muted); font-size: 0.9rem; line-height: 1.4; margin: 0; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden; }
.tile .sum a { pointer-events: none; color: inherit; text-decoration: none; }
.tile .foot { grid-column: 1 / 3; display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.tile .meta { flex: 1; min-width: 0; font-size: 0.82rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile .get { position: relative; z-index: 1; }
.tile .status { position: relative; z-index: 1; }

.appicon { width: 64px; height: 64px; border-radius: 16px; background: #fff; display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08); overflow: hidden; }
.appicon img { width: 76%; height: 76%; image-rendering: pixelated; }
.appicon.big { width: 120px; height: 120px; border-radius: 28px; }

.tag { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em; border-radius: 999px; padding: 1px 8px;
  background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); vertical-align: 1px; }
.status { font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.status:empty { display: none; }
.status.update { color: var(--warn); }
.status.current { color: var(--ok); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* steps */
.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 14px 0 8px;
  counter-reset: step; padding: 0; list-style: none; }
.how li { background: var(--s-card); border-radius: 20px; padding: 20px; box-shadow: var(--s-shadow); counter-increment: step; }
.how li::before { content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--s-soft); color: var(--s-get); font-weight: 800; margin-bottom: 10px; }
.how strong { display: block; margin-bottom: 4px; }
.how p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.fine { color: var(--muted); font-size: 0.9rem; margin: 16px 0 36px; }

/* an app's page */
.app-top { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: center; margin: 26px 0 8px; }
.app-top h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.02em; margin: 0 0 4px; }
.app-top .sub { color: var(--muted); margin: 0 0 14px; font-size: 1.02rem; }
.app-top .acts { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.facts-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); margin: 22px 0; background: var(--s-card);
  border-radius: 20px; box-shadow: var(--s-shadow); padding: 14px 4px; }
.facts-row div { text-align: center; padding: 2px 10px; border-left: 1px solid var(--line); }
.facts-row div:first-child { border-left: 0; }
.facts-row small { display: block; color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }
.facts-row b { display: block; font-size: 1.05rem; margin-top: 2px; }
.notice { display: flex; gap: 12px; align-items: flex-start; background: color-mix(in srgb, var(--warn) 12%, var(--s-card));
  color: var(--ink); border-radius: 16px; padding: 14px 16px; margin: 0 0 18px; font-size: 0.95rem; }
.notice svg { flex: none; width: 20px; height: 20px; color: var(--warn); margin-top: 1px; }
.gallery { display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 10px 4px 26px; margin: 0 -4px; }
.gallery .device { flex: none; width: 230px; scroll-snap-align: start; box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22); }
.gallery .device img { opacity: 1; position: static; display: block; height: auto; }
.prose { background: var(--s-card); border-radius: 20px; box-shadow: var(--s-shadow); padding: 6px 24px; font-size: 1rem; }
.prose ul { padding-left: 1.2em; }
.more { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.more a { display: block; height: 100%; background: var(--s-card); border-radius: 18px; box-shadow: var(--s-shadow); padding: 16px 18px;
  color: var(--ink); text-decoration: none; transition: box-shadow 0.2s, transform 0.2s; }
.more a:hover { box-shadow: var(--s-shadow-hi); transform: translateY(-2px); }
.more b { display: block; margin-bottom: 2px; color: var(--s-get); }
.more span { color: var(--muted); font-size: 0.92rem; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; border-radius: 22px; min-height: 0; }
  .hero-text { padding: 30px 24px 8px; }
  .hero-device { display: none; }
  .reader-panel { display: grid; grid-template-columns: 48px 1fr; padding: 16px; gap: 12px 14px; align-items: start; }
  .reader-panel .acts { grid-column: 1 / -1; justify-content: flex-start; }
  .toolbar { top: 48px; }
  .tiles { grid-template-columns: 1fr; }
  .app-top { grid-template-columns: 84px 1fr; gap: 16px; }
  .appicon.big { width: 84px; height: 84px; border-radius: 20px; }
  .gallery .device { width: 200px; }
  .facts-row div { border-left: 0; padding: 6px; }
}
.gallery img.photo { flex: none; width: 230px; height: auto; border-radius: 18px; scroll-snap-align: start;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22); }
.get:disabled { opacity: 1; cursor: default; color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }

/* the device filter, and the community apps */
.filter-row { display: flex; align-items: center; gap: 12px; }
.pill-scroll { position: relative; flex: 1; min-width: 0; }
.pill-scroll .pills { cursor: grab; }
.pill-scroll.more-right .pills { -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent);
  mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent); }
.pill-scroll.more-left .pills { -webkit-mask-image: linear-gradient(90deg, transparent, #000 56px);
  mask-image: linear-gradient(90deg, transparent, #000 56px); }
.pill-scroll.more-left.more-right .pills {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 56px, #000 calc(100% - 56px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 56px, #000 calc(100% - 56px), transparent); }
.scroll-btn { position: absolute; top: calc(50% + 4px); transform: translateY(-50%); z-index: 1; width: 32px; height: 32px;
  border: 0; border-radius: 50%; padding: 0; display: none; place-items: center; font: inherit; font-size: 1.4rem;
  line-height: 1; font-weight: 700; color: var(--ink); background: var(--s-card); box-shadow: var(--s-shadow-hi); cursor: pointer; }
.scroll-btn.left { left: -2px; }
.scroll-btn.right { right: -2px; }
.pill-scroll.more-left .scroll-btn.left, .pill-scroll.more-right .scroll-btn.right { display: grid; }
@media (hover: none) { .pill-scroll .scroll-btn { display: none !important; } }
.seg { flex: none; display: inline-flex; background: var(--s-card); border-radius: 999px; padding: 3px; box-shadow: var(--s-shadow);
  margin-top: 8px; }
.seg button { font: inherit; font-size: 0.85rem; font-weight: 600; border: 0; border-radius: 999px; padding: 5px 12px;
  background: transparent; color: var(--muted); cursor: pointer; }
.seg button[aria-pressed=true] { background: var(--s-soft); color: var(--ink); }
.community { margin-top: 44px; padding-top: 8px; border-top: 1px solid var(--line); }
.community .contribute { font-weight: 700; text-decoration: none; color: var(--s-get); }
.community-note { color: var(--muted); font-size: 0.93rem; margin: -4px 0 14px; max-width: 46em; }
.community .empty { text-align: left; padding: 10px 0 0; }
.appicon .letter { font-size: 1.8rem; font-weight: 800; color: #1d1d1b; }
@media (max-width: 760px) {
  .filter-row { flex-direction: column; align-items: stretch; gap: 0; }
  .seg { align-self: flex-start; }
}
.appicon > * { grid-area: 1 / 1; }
.appicon img { background: #fff; }

/* folded README sections (optional or technical set-up): a tap opens them */
.prose details.fold { border: 1px solid rgba(127, 127, 127, .35); border-radius: 14px; margin: 14px 0; }
.prose details.fold > summary { cursor: pointer; padding: 12px 16px; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 12px; }
.prose details.fold > summary::-webkit-details-marker { display: none; }
.prose details.fold > summary::before { content: ''; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform .15s; flex: none; }
.prose details.fold[open] > summary::before { transform: rotate(45deg); }
.prose details.fold > .fold-body { padding: 0 16px 6px; }
.prose details.fold details.fold { margin: 10px 0; }
.prose ol { padding-left: 1.4em; }