Source

/* OpenApps free apps: one look across the store and every app.
   Same tokens as openapps.xyz: warm paper, Newsreader headlines, Archivo for everything else,
   one solid ink button, cobalt for links and focus. */
@font-face {
  font-family: "Archivo Variable";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(/fonts/ArchivoVariable-var.woff2) format("woff2-variations");
}
@font-face {
  font-family: "Newsreader Variable";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url(/fonts/NewsreaderVariable-var.woff2) format("woff2-variations");
}

:root {
  --ink: #15171b;
  --ink-solid: #0b0b0c;
  --muted: #5d6169;
  --faint: #8a8e96;
  --line: #e3e6ea;
  --line-strong: #cfd5dd;
  --paper: #fdfdfc;
  --paper-warm: #f8f3ea;
  --paper-deep: #f1e9da;
  --panel: #f0f3f8;
  --panel-line: #dfe5ee;
  --cobalt: #2e5ec4;
  --cobalt-ink: #1f4597;
  --cobalt-wash: #e9effa;
  --sage: #4f7a5c;
  --sage-wash: #e8f1ea;
  --brick: #a8442c;
  --brick-wash: #f8e9e4;
  --gold: #b8892c;
  --serif: "Newsreader Variable", Georgia, "Times New Roman", serif;
  --sans: "Archivo Variable", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 1px 2px #1a1d2410, 0 8px 24px -12px #1a1d2426;
  --shadow-pop: 0 18px 50px -14px #1a1d2459;
  --page: min(1180px, calc(100% - 48px));
  /* Type roles: one weight and size per role. Use as `font: var(--type-control)`. */
  --type-control: 600 14.5px/1 var(--sans);   /* buttons, nav links, menu items, tabs */
  --type-label: 600 13.5px/1.2 var(--sans);   /* field labels */
  --type-caps: 650 11.5px/1.3 var(--sans);    /* eyebrows, table and footer heads, in uppercase */
  --type-input: 400 16px/1.35 var(--sans);    /* 16px, so iOS does not zoom on focus */
  --type-title: 380 26px/1.2 var(--serif);    /* dialog titles and empty-state titles, with -.02em */
  /* Motion: quick, ease-out on the way in, ease-in on the way out. */
  --motion-fast: 150ms;
  --motion: 200ms;
  --motion-slow: 250ms;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --ease-in: cubic-bezier(.4, 0, 1, 1);
  /* Safe areas: non-zero on notched phones when the viewport meta has viewport-fit=cover. */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word; /* a long word or link breaks instead of pushing the page sideways */
}
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: var(--cobalt); text-decoration: none; }
a:hover { color: var(--cobalt-ink); }
:is(a, button, input, select, textarea, summary):focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }
:where([tabindex]:not([tabindex="-1"])):focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: #cddcf6; }

.wrap { width: var(--page); margin-inline: auto; }
.serif { font-family: var(--serif); }
.muted { color: var(--muted); }
.eyebrow { font: var(--type-caps); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.display { font: 330 clamp(40px, 5.6vw, 72px)/1.04 var(--serif); letter-spacing: -.035em; text-wrap: balance; }
.h1 { font: 350 clamp(34px, 4.2vw, 54px)/1.06 var(--serif); letter-spacing: -.03em; text-wrap: balance; }
.h2 { font: 360 clamp(28px, 3vw, 40px)/1.1 var(--serif); letter-spacing: -.028em; text-wrap: balance; }
.h3 { font: 600 19px/1.3 var(--sans); letter-spacing: -.012em; }
.lede { font-size: clamp(17px, 1.5vw, 19.5px); line-height: 1.6; color: #4a4e56; max-width: 60ch; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 20; padding-top: var(--safe-top); background: #fdfdfcee; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid #0000; transition: border-color var(--motion) var(--ease-out); }
.site-head.scrolled { border-bottom-color: var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 22px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-solid); font: 650 16px/1 var(--sans); letter-spacing: -.02em; }
.brand:hover { color: var(--ink-solid); }
.brand img { width: 26px; height: 26px; }
.brand .brand-app { color: var(--muted); font-weight: 500; }
.brand .brand-sep { color: var(--line-strong); font-weight: 300; }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border-radius: 8px; color: #33363c; font: var(--type-control); transition: background-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out); }
@media (hover: hover) { .site-nav a:hover { color: var(--ink-solid); background: #0000000a; } }
.site-nav a[aria-current="page"] { color: var(--ink-solid); }
@media (max-width: 720px) {
  .site-nav .nav-optional { display: none; }
  .site-head .wrap { gap: 10px; }
}

/* Buttons. One size of text for every button; size classes change height and padding only. */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 1px solid var(--ink-solid); border-radius: var(--radius); background: var(--ink-solid); color: #fff; font: var(--type-control); cursor: pointer; transition: background-color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out); white-space: nowrap; text-decoration: none; }
.btn:active { transform: translateY(1px) scale(.985); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
.btn-line { background: transparent; color: var(--ink-solid); border-color: var(--line-strong); }
.btn-quiet { background: transparent; color: var(--ink); border-color: transparent; }
.btn-sm { min-height: 36px; padding: 0 14px; border-radius: 8px; }
.btn-lg { min-height: 54px; padding: 0 26px; }
.btn-danger { color: var(--brick); }
.btn-block { width: 100%; }
.btn-icon { width: 46px; padding: 0; }
.btn-icon.btn-sm { width: 36px; }
.btn-icon.btn-lg { width: 54px; }
/* Hover only where a pointer hovers, so taps on phones do not leave buttons tinted. */
@media (hover: hover) {
  .btn:hover { background: #2a2c31; color: #fff; }
  .btn-line:hover { background: #00000008; color: var(--ink-solid); border-color: #b5bdc8; }
  .btn-quiet:hover { background: #0000000a; color: var(--ink-solid); }
  :where(.btn-line, .btn-quiet).btn-danger:hover { color: var(--brick); }
  /* A disabled button does not react to hover. Kept at the hover rules' weight so app variants still win. */
  :where(.btn):is(:disabled, [aria-disabled="true"]):hover { background: var(--ink-solid); }
  :where(.btn-line, .btn-quiet):is(:disabled, [aria-disabled="true"]):hover { background: transparent; }
  :where(.btn-line):is(:disabled, [aria-disabled="true"]):hover { border-color: var(--line-strong); }
}
:where(.btn):is(:disabled, [aria-disabled="true"]):active { transform: none; }
/* Loading: set aria-busy="true" on the button. The label stays in place (no width change) and a spinner covers it. */
:where(.btn[aria-busy="true"]) { position: relative; } /* zero weight, so a fixed or sticky button keeps its place */
.btn[aria-busy="true"] { -webkit-text-fill-color: transparent; pointer-events: none; }
.btn[aria-busy="true"] > * { visibility: hidden; }
.btn[aria-busy="true"]::after { content: ""; position: absolute; inset: 0; width: 18px; height: 18px; margin: auto; border: 2px solid color-mix(in srgb, currentColor 28%, transparent); border-top-color: currentColor; border-radius: 50%; animation: spin .7s linear infinite; }

/* Fields */
.field { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 7px; }
.field > span, .label { font: var(--type-label); color: #33363c; }
.field small, .hint { font-size: 13px; color: var(--muted); }
.input, .select, .textarea { width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--ink); font: var(--type-input); transition: border-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out); }
.textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
@media (hover: hover) { .input:hover, .select:hover, .textarea:hover { border-color: #b5bdc8; } }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px #2e5ec41f; }
.input::placeholder, .textarea::placeholder { color: #9a9ea6; }
/* The value stays readable: apps lock a checked answer with disabled, and faint text looked like an empty placeholder. */
.input:disabled, .select:disabled, .textarea:disabled { border-color: var(--line); background: #f5f6f8; color: var(--muted); cursor: not-allowed; }
/* Invalid: set aria-invalid="true" on the input and put the reason in .field-error under it. */
:is(.input, .select, .textarea)[aria-invalid="true"] { border-color: var(--brick); }
:is(.input, .select, .textarea)[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px #a8442c24; }
.field-error, .field .field-error { font: 500 13px/1.45 var(--sans); color: var(--brick); overflow-wrap: anywhere; }
.check { display: inline-flex; align-items: center; gap: 9px; font-size: 15px; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--ink-solid); }
.check:has(input:disabled) { opacity: .55; cursor: not-allowed; }

/* Touch targets: on touch screens, small controls get an invisible 44px hit area without changing their size. */
@media (pointer: coarse) {
  .btn-sm, label.check, :is(a, button).chip { position: relative; }
  .btn-sm::before, label.check::before, :is(a, button).chip::before { content: ""; position: absolute; inset: min(0px, (100% - 44px) / 2); }
}

/* Surfaces */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.panel { background: var(--panel); border: 1px solid var(--panel-line); border-radius: var(--radius-lg); }
.paper { background: var(--paper-warm); border: 1px solid #ece2cf; border-radius: var(--radius-lg); }
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 26px; padding: 0 10px; border-radius: 999px; background: var(--panel); border: 1px solid var(--panel-line); color: #3c4048; font: 600 12.5px/1 var(--sans); white-space: nowrap; }
.chip-free { background: var(--sage-wash); border-color: #cfe2d4; color: #2f5a3c; }
.chip-cobalt { background: var(--cobalt-wash); border-color: #d1ddf5; color: var(--cobalt-ink); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.notice { padding: 12px 14px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--panel-line); font-size: 14.5px; color: #3a3e46; overflow-wrap: anywhere; }
.notice-error { background: var(--brick-wash); border-color: #efcfc5; color: #7c2f1d; }
.notice-ok { background: var(--sage-wash); border-color: #cfe2d4; color: #2f5a3c; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { font: var(--type-caps); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.table td.yes { color: #2f5a3c; font-weight: 600; }
.table td.no { color: #8b4a3a; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.table-wrap .table tr:last-child td { border-bottom: 0; }

/* Prose (blog, docs) */
.prose { font-size: 18px; line-height: 1.72; color: #24272d; max-width: 68ch; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2em; font: 380 30px/1.18 var(--serif); letter-spacing: -.022em; color: var(--ink-solid); }
.prose h3 { margin-top: 1.7em; font: 650 19px/1.35 var(--sans); letter-spacing: -.01em; }
.prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: #2e5ec466; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose code { font: 500 .86em/1 var(--mono); padding: .15em .38em; border-radius: 5px; background: var(--panel); border: 1px solid var(--panel-line); }
.prose pre { overflow-x: auto; padding: 16px 18px; border-radius: 12px; background: #16181d; color: #e8eaee; font: 13.5px/1.6 var(--mono); }
.prose pre code { padding: 0; background: none; border: 0; color: inherit; font-size: inherit; }
.prose blockquote { padding-left: 18px; border-left: 3px solid var(--cobalt); color: #3e424a; font-style: italic; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.prose th, .prose td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.prose th { font-weight: 650; }
.prose strong { font-weight: 650; color: var(--ink-solid); }

/* Code block outside prose */
.code { position: relative; overflow-x: auto; padding: 16px 18px; border-radius: 12px; background: #16181d; color: #e8eaee; font: 13px/1.65 var(--mono); white-space: pre; }
.code .c { color: #8b93a3; }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; }
.faq summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 58px; font: 600 16.5px/1.35 var(--sans); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 300 24px/1 var(--sans); color: var(--muted); transition: transform var(--motion) var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 18px; color: #3d4148; line-height: 1.65; }
.faq details[open] > div { animation: oa-enter var(--motion) var(--ease-out); }

/* Footer */
.site-foot { margin-top: 96px; padding: 56px 0 40px; border-top: 1px solid var(--line); background: var(--paper); font-size: 14.5px; color: var(--muted); }
.site-foot .foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.site-foot h4 { margin-bottom: 12px; font: var(--type-caps); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); }
.site-foot ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.site-foot a { color: #4a4e56; }
.site-foot a:hover { color: var(--ink-solid); }
.site-foot .foot-note { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13.5px; }
@media (max-width: 760px) { .site-foot .foot-grid { grid-template-columns: 1fr 1fr; } }

/* Utilities */
/* Grids hold one minmax(0, 1fr) column, so a long word or a wide input never pushes past the screen. */
.stack { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: var(--gap, 16px); }
.row { display: flex; align-items: center; gap: var(--gap, 12px); flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.section { padding-block: clamp(56px, 8vw, 96px); }
.section-tight { padding-block: clamp(36px, 5vw, 56px); }
.art { mix-blend-mode: multiply; }
.spinner { width: 18px; height: 18px; border: 2px solid #0000001f; border-top-color: currentColor; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast: rises in when it mounts. Add .leaving, then remove it on animationend. */
.toast { position: fixed; left: 50%; bottom: calc(24px + var(--safe-bottom)); z-index: 50; width: max-content; max-width: calc(100% - 32px - var(--safe-left) - var(--safe-right)); transform: translateX(-50%); padding: 12px 18px; border-radius: 10px; background: var(--ink-solid); color: #fff; font: 600 14px/1.3 var(--sans); box-shadow: 0 10px 30px #0004; overflow-wrap: anywhere; animation: oa-toast-in var(--motion) var(--ease-out); }
.toast.leaving { animation: oa-toast-out var(--motion-fast) var(--ease-in) forwards; }
@keyframes oa-toast-in { from { opacity: 0; transform: translate(-50%, 10px) scale(.98); } }
@keyframes oa-toast-out { to { opacity: 0; transform: translate(-50%, 10px) scale(.98); } }

/* Enter and leave: add .enter to an element as it mounts (set --i to its index to stagger a list);
   add .leaving to fade it out, then remove it on animationend. .press gives custom tappable things a press. */
.enter { animation: oa-enter var(--motion) var(--ease-out) backwards; animation-delay: calc(min(var(--i, 0), 12) * 30ms); }
.leaving { animation: oa-leave var(--motion-fast) var(--ease-in) forwards; pointer-events: none; }
.press { transition: transform var(--motion-fast) var(--ease-out); }
.press:active { transform: scale(.98); }
@keyframes oa-enter { from { opacity: 0; transform: translateY(6px); } }
@keyframes oa-leave { to { opacity: 0; transform: scale(.98); } }
@keyframes oa-fade-in { from { opacity: 0; } }
@keyframes oa-fade-out { to { opacity: 0; } }

/* Dialog: a centered card on wide screens, a bottom sheet on phones.
   .dialog-backdrop > .dialog > .dialog-head (.dialog-title + close .btn-icon), .dialog-body, .dialog-foot.
   To close, add .leaving to .dialog-backdrop and remove it on animationend. */
.dialog-backdrop { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; background: #15171b66; animation: oa-fade-in var(--motion) var(--ease-out); }
.dialog { display: flex; flex-direction: column; width: min(560px, 100%); max-height: min(88vh, 900px); max-height: min(88dvh, 900px); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 30px 80px -20px #0006; animation: oa-dialog-in var(--motion) var(--ease-out); }
.dialog:focus { outline: none; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 12px 2px 20px; }
.dialog-title { font: var(--type-title); letter-spacing: -.02em; color: var(--ink-solid); }
.dialog-body { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 16px; padding: 10px 20px 20px; overflow-y: auto; overscroll-behavior: contain; }
.dialog-foot { display: flex; align-items: center; justify-content: flex-end; gap: 10px; padding: 12px 20px; border-top: 1px solid var(--line); }
.dialog-backdrop.leaving { animation: oa-fade-out var(--motion-fast) var(--ease-in) forwards; }
.dialog-backdrop.leaving .dialog { animation: oa-dialog-out var(--motion-fast) var(--ease-in) forwards; }
@keyframes oa-dialog-in { from { opacity: 0; transform: translateY(8px) scale(.98); } }
@keyframes oa-dialog-out { to { opacity: 0; transform: translateY(8px) scale(.98); } }
@keyframes oa-sheet-in { from { transform: translateY(100%); } }
@keyframes oa-sheet-out { to { transform: translateY(100%); } }
@media (max-width: 600px) {
  .dialog-backdrop { place-items: end stretch; padding: 0; }
  .dialog { width: 100%; max-height: 92vh; max-height: 92dvh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; animation-name: oa-sheet-in; animation-duration: var(--motion-slow); }
  .dialog-backdrop.leaving .dialog { animation-name: oa-sheet-out; animation-duration: var(--motion); }
  .dialog-body:last-child { padding-bottom: calc(20px + var(--safe-bottom)); }
  .dialog-foot { padding-bottom: calc(12px + var(--safe-bottom)); }
  .dialog-foot > .btn { flex: 1 1 0; }
}

/* Dropdown: a menu under its button. .dropdown (a div, or a <details> with the button as <summary>) > .dropdown-menu.
   Items are the menu's links and buttons; <hr> separates groups; .danger marks a destructive item; .dropdown-menu-end aligns right. */
.dropdown { position: relative; display: inline-block; }
.dropdown > summary { list-style: none; }
.dropdown > summary::-webkit-details-marker { display: none; }
.dropdown-menu { position: absolute; top: calc(100% + 6px); left: 0; z-index: 40; display: grid; width: max-content; min-width: 200px; max-width: calc(100vw - 32px); padding: 6px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow-pop); transform-origin: top left; animation: oa-pop-in var(--motion-fast) var(--ease-out); }
.dropdown-menu-end { left: auto; right: 0; transform-origin: top right; }
.dropdown-menu :where(a, button) { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 40px; padding: 8px 12px; border: 0; border-radius: 8px; background: none; color: var(--ink); font: var(--type-control); line-height: 1.3; text-align: left; cursor: pointer; transition: background-color var(--motion-fast) var(--ease-out); }
.dropdown-menu :where(a, button):hover { background: #0000000a; }
.dropdown-menu :where(a, button):focus-visible { outline-offset: -2px; }
.dropdown-menu :where(a, button):disabled { color: var(--faint); cursor: not-allowed; background: none; }
.dropdown-menu :where(.danger) { color: var(--brick); }
.dropdown-menu :where(hr) { height: 1px; margin: 6px 4px; border: 0; background: var(--line); }
.dropdown-menu.leaving { animation: oa-pop-out var(--motion-fast) var(--ease-in) forwards; }
@media (pointer: coarse) { .dropdown-menu :where(a, button) { min-height: 44px; } }
@keyframes oa-pop-in { from { opacity: 0; transform: translateY(-4px) scale(.97); } }
@keyframes oa-pop-out { to { opacity: 0; transform: translateY(-4px) scale(.97); } }

/* Skeleton: placeholder shapes while content loads. Size .skeleton with width and height; .skeleton-text is one line.
   Put aria-busy="true" on the region that is loading. */
.skeleton { display: block; border-radius: 8px; background: linear-gradient(90deg, #edf0f4 40%, #f7f8fa 50%, #edf0f4 60%) 0 0 / 300% 100%; animation: oa-shimmer 1.6s linear infinite; }
.skeleton-text { height: .75em; margin-block: .45em; border-radius: 6px; }
.skeleton-text:last-child:not(:first-child) { width: 64%; }
@keyframes oa-shimmer { from { background-position: 100% 0; } to { background-position: 0 0; } }

/* Empty and error states: optional art, a short title (h2 or h3), one sentence, then the next step as a button. */
.empty-state, .error-state { display: grid; grid-template-columns: minmax(0, 1fr); align-content: center; justify-items: center; gap: 8px; padding: 40px 24px; border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); text-align: center; overflow-wrap: anywhere; }
.error-state { border-style: solid; border-color: #efcfc5; background: var(--brick-wash); }
:where(.empty-state, .error-state) > img { width: min(180px, 60%); height: auto; margin-bottom: 4px; }
:where(.empty-state, .error-state) > :is(h2, h3) { font: var(--type-title); letter-spacing: -.02em; color: var(--ink-solid); text-wrap: balance; }
:where(.empty-state, .error-state) > p { max-width: 46ch; color: var(--muted); text-wrap: pretty; }
:where(.error-state) > :is(h2, h3) { color: #7c2f1d; }
:where(.error-state) > p { color: #8b4a3a; }
:where(.empty-state, .error-state) > :is(.btn, .row) { margin-top: 10px; }

/* Action bar: the screen's main buttons. Pinned to the bottom on phones (above the home bar), inline on wider screens. */
.action-bar { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
@media (max-width: 720px) {
  .action-bar { position: sticky; bottom: 0; z-index: 30; padding: 12px 0 calc(12px + var(--safe-bottom)); background: #fdfdfcf2; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-top: 1px solid var(--line); }
  .action-bar > .btn { flex: 1 1 0; }
  body:has(.action-bar) .toast { bottom: calc(88px + var(--safe-bottom)); }
}
/* On touch phones the bar runs edge to edge (their scrollbars take no width, so 100vw is the screen). */
@media (max-width: 720px) and (pointer: coarse) {
  .action-bar { margin-inline: calc(50% - 50vw); padding-inline: max(16px, var(--safe-left)) max(16px, var(--safe-right)); }
}

/* Safe-area padding for edge-to-edge bars and full-screen views (put on a wrapper; it replaces that side's padding). */
.safe-top { padding-top: var(--safe-top); }
.safe-bottom { padding-bottom: var(--safe-bottom); }
.safe-x { padding-left: var(--safe-left); padding-right: var(--safe-right); }

/* Reduced motion: transitions and animations finish at once. Spinners keep turning slowly, since they mean "working". */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .enter { animation-delay: 0s !important; }
  .spinner, .btn[aria-busy="true"]::after { animation-duration: 1.6s !important; animation-iteration-count: infinite !important; }
}

/* The OpenApps free apps network, in every app's footer. */
.oa-network { display: grid; gap: 16px; padding-bottom: 28px; margin-bottom: 4px; border-bottom: 1px solid var(--line); }
.oa-network-title { display: grid; gap: 4px; }
.oa-network-title a { color: var(--ink-solid); font: 400 22px/1.2 var(--serif); letter-spacing: -.015em; }
.oa-network-title span { font-size: 14px; color: var(--muted); }
.oa-network ul { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px 18px; }
.oa-network li { display: grid; gap: 1px; }
.oa-network li a { color: var(--ink); font: 600 14.5px/1.3 var(--sans); }
.oa-network li a:hover { color: var(--cobalt); }
.oa-network li a[aria-current="page"] { color: var(--muted); }
.oa-network li span { font-size: 13px; color: var(--faint); }
.oa-network-more { font-size: 13.5px; color: var(--faint); }
.oa-network-more a { color: #4a4e56; }