/* Mossnote documentation. One small stylesheet, no frameworks, no web fonts, nothing fetched. */

:root {
  --bg: #f7f5f0;
  --surface: #efebe2;
  --raised: #ffffff;
  --ink: #1f2421;
  --ink-2: #3a423d;
  --muted: #545c56;
  --line: #d8d2c4;
  --accent: #1d5a4e;
  --accent-soft: #dcebe5;
  --mark: #b93f00; /* the orange used in annotated pictures */
  --warn-bg: #fbeee9;
  --warn-line: #9a2c22;
  --focus: #1d5a4e;
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, 'Times New Roman', serif;
  --sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, 'Helvetica Neue', Arial,
    sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161a18;
    --surface: #1f2422;
    --raised: #232927;
    --ink: #e9ece7;
    --ink-2: #cfd5d0;
    --muted: #aab3ad;
    --line: #38403c;
    --accent: #84cdb8;
    --accent-soft: #223a33;
    --mark: #ff9a5c;
    --warn-bg: #3a2320;
    --warn-line: #e5887c;
    --focus: #84cdb8;
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}
a:hover {
  text-decoration-thickness: 2px;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 6px;
}
.skip:focus {
  top: 0.75rem;
}

/* ---------- Header ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.6rem 1rem;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font: 600 1.25rem/1 var(--serif);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand-docs {
  font: italic 500 1.25rem/1 var(--serif);
  color: var(--accent);
}
.mark {
  width: 1.6rem;
  height: 1.6rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect width='512' height='512' rx='112' fill='%231f5f56'/%3E%3Cg fill='none' stroke='%23f7f5f0' stroke-width='46' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M132 350V268a62 62 0 0 1 124 0V350'/%3E%3Cpath d='M256 268a62 62 0 0 1 124 0V308'/%3E%3C/g%3E%3Ccircle cx='380' cy='382' r='27' fill='%23f4c25b'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

.find {
  position: relative;
  flex: 1;
  max-width: 28rem;
  margin-left: auto;
}
.find[hidden] {
  display: none;
}
.find input {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--raised);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}
.find ul {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 70vh;
  overflow: auto;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.18);
}
.find li a {
  display: block;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
}
.find li a:hover,
.find li a:focus-visible,
.find li a[aria-selected='true'] {
  background: var(--accent-soft);
}
.find li small {
  display: block;
  color: var(--muted);
  line-height: 1.4;
}
.find li.none {
  padding: 0.6rem 0.7rem;
  color: var(--muted);
}

.open-app {
  margin-left: auto;
  white-space: nowrap;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}
.find:not([hidden]) ~ .open-app {
  margin-left: 0;
}
@media (max-width: 40rem) {
  .find {
    order: 3;
    flex: 1 0 100%;
    max-width: none;
    margin-left: 0;
  }
}

/* ---------- Page shell ---------- */

.shell {
  display: block;
  max-width: 88rem;
  margin: 0 auto;
}

.menu {
  margin: 0.75rem 1rem 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--raised);
}
.menu summary {
  cursor: pointer;
  padding: 0.7rem 1rem;
  font-weight: 600;
  min-height: 2.75rem;
}
.menu .side {
  padding: 0 1rem 1rem;
  max-height: 70vh;
  overflow: auto;
}

.side h2 {
  margin: 1.25rem 0 0.35rem;
  padding: 0;
  border: 0;
  font: 600 0.8rem/1.2 var(--sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.side ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.side a {
  display: block;
  padding: 0.28rem 0.6rem;
  margin-left: -0.6rem;
  border-radius: 6px;
  color: var(--ink-2);
  text-decoration: none;
  line-height: 1.4;
}
.side a:hover {
  background: var(--surface);
  color: var(--ink);
}
.side a[aria-current='page'] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
  box-shadow: inset 3px 0 0 var(--accent);
  padding-left: 0.75rem;
  margin-left: -0.75rem;
}

.side-wide {
  display: none;
}

main {
  min-width: 0;
  padding: 1.25rem 1rem 4rem;
  outline: none;
}
article {
  max-width: 47rem;
  margin: 0 auto;
}

.toc {
  display: none;
}
.toc-inline {
  display: block;
  margin: 0 0 2rem;
  padding: 0.9rem 1.1rem;
  background: var(--surface);
  border-radius: 10px;
  font-size: 0.97rem;
}
.toc h2 {
  margin: 0 0 0.4rem;
  padding: 0;
  border: 0;
  font: 600 0.8rem/1.2 var(--sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
.toc li {
  margin: 0.15rem 0;
}
.toc li.l3 {
  padding-left: 1rem;
}
.toc a {
  color: var(--ink-2);
  text-decoration: none;
}
.toc a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.toc a[aria-current='true'] {
  color: var(--accent);
  font-weight: 650;
}

@media (min-width: 62rem) {
  .menu {
    display: none;
  }
  .shell {
    display: grid;
    grid-template-columns: 16.5rem minmax(0, 1fr);
    gap: 0 2rem;
    padding: 0 1.5rem;
  }
  .side-wide {
    display: block;
    position: sticky;
    top: 4rem;
    align-self: start;
    max-height: calc(100vh - 4.5rem);
    overflow: auto;
    padding: 0.5rem 0 2rem;
  }
  main {
    padding: 2rem 0 5rem;
  }
}

@media (min-width: 82rem) {
  .shell {
    grid-template-columns: 16.5rem minmax(0, 1fr) 14rem;
  }
  .toc-inline {
    display: none;
  }
  .toc:not(.toc-inline) {
    display: block;
    position: sticky;
    top: 4rem;
    align-self: start;
    max-height: calc(100vh - 4.5rem);
    overflow: auto;
    padding: 2rem 0;
    font-size: 0.92rem;
  }
}

/* ---------- Article ---------- */

.eyebrow {
  margin: 0 0 0.4rem;
  font: 600 0.82rem/1.2 var(--sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(2rem, 5vw, 2.7rem);
}
h2 {
  margin: 2.6rem 0 0.7rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: 1.65rem;
}
h3 {
  margin: 1.9rem 0 0.5rem;
  font-size: 1.25rem;
}
h4 {
  margin: 1.4rem 0 0.3rem;
  font-size: 1.05rem;
}

.anchor {
  margin-left: 0.4rem;
  font: 400 0.9em var(--sans);
  color: var(--muted);
  text-decoration: none;
  opacity: 0;
}
h2:hover .anchor,
h3:hover .anchor,
.anchor:focus-visible {
  opacity: 1;
}

.lede {
  margin: 0 0 1.5rem;
  font: 1.2rem/1.5 var(--serif);
  color: var(--ink-2);
}

p,
ul,
ol,
dl,
table,
pre {
  margin: 0 0 1.05rem;
}
ul,
ol {
  padding-left: 1.4rem;
}
li {
  margin: 0.3rem 0;
}
li > ul,
li > ol {
  margin: 0.3rem 0 0.2rem;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}
.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.6rem;
  margin: 0.8rem 0;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font: 700 0.95rem/1.85rem var(--sans);
  text-align: center;
}

code,
kbd {
  font-family: var(--mono);
  font-size: 0.9em;
}
code {
  padding: 0.1em 0.35em;
  border-radius: 5px;
  background: var(--surface);
}
kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 0.05em 0.45em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--raised);
  text-align: center;
  white-space: nowrap;
}
pre {
  overflow: auto;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  background: var(--surface);
  line-height: 1.5;
}
pre code {
  padding: 0;
  background: none;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.2rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.97rem;
}
th,
td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
th {
  font-weight: 650;
  background: var(--surface);
  white-space: nowrap;
}
caption {
  caption-side: top;
  padding: 0 0 0.4rem;
  text-align: left;
  color: var(--muted);
  font-size: 0.92rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

dt {
  font-weight: 650;
  margin-top: 0.8rem;
}
dd {
  margin: 0.15rem 0 0 0;
  color: var(--ink-2);
}

/* ---------- Figures ---------- */

figure {
  margin: 1.6rem 0;
}
figure img,
figure video {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--raised);
}
figure a {
  display: block;
}
figcaption {
  margin-top: 0.5rem;
  font-size: 0.93rem;
  line-height: 1.5;
  color: var(--muted);
}
figcaption strong {
  color: var(--ink-2);
}

/* ---------- Status badges and callouts ---------- */

.status {
  display: inline-block;
  padding: 0.05rem 0.55rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font: 600 0.78rem/1.6 var(--sans);
  white-space: nowrap;
  vertical-align: 0.1em;
}
.status::before {
  margin-right: 0.35em;
  font-weight: 700;
}
.status-implemented {
  color: var(--accent);
}
.status-implemented::before {
  content: '✓';
}
.status-partial {
  color: #8a5a00;
}
.status-partial::before {
  content: '◐';
}
.status-limitation {
  color: var(--warn-line);
}
.status-limitation::before {
  content: '!';
}
.status-unverified {
  color: var(--muted);
}
.status-unverified::before {
  content: '?';
}
.status-idea {
  color: #4b4f9a;
}
.status-idea::before {
  content: '+';
}
@media (prefers-color-scheme: dark) {
  .status-partial {
    color: #e8b45a;
  }
  .status-idea {
    color: #aab2ff;
  }
}

.callout {
  margin: 1.4rem 0;
  padding: 0.8rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--accent-soft);
}
.callout > :last-child {
  margin-bottom: 0;
}
.callout-title {
  margin: 0 0 0.25rem;
  font: 700 0.85rem/1.4 var(--sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.callout-warning,
.callout-limit {
  border-left-color: var(--warn-line);
  background: var(--warn-bg);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  list-style: none;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  padding: 0;
  list-style: none;
}
.cards li {
  margin: 0;
}
.cards a {
  display: block;
  height: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--raised);
  color: var(--ink);
  text-decoration: none;
}
.cards a:hover {
  border-color: var(--accent);
}
.cards strong {
  display: block;
  font: 600 1.1rem/1.3 var(--serif);
  color: var(--accent);
}
.cards span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-2);
}

/* ---------- Previous / next, footer ---------- */

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 47rem;
  margin: 3rem auto 0;
}
.pager a {
  flex: 1;
  max-width: 50%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--raised);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}
.pager a:hover {
  border-color: var(--accent);
}
.pager a span {
  display: block;
  font: 500 0.8rem/1.4 var(--sans);
  color: var(--muted);
}
.pager .next {
  text-align: right;
  margin-left: auto;
}

.foot {
  max-width: 47rem;
  margin: 2rem auto 0;
  font-size: 0.92rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (forced-colors: active) {
  .status,
  .callout,
  kbd {
    border: 1px solid CanvasText;
  }
}

@media print {
  .top,
  .menu,
  .side-wide,
  .toc,
  .pager,
  .skip {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .shell {
    display: block;
  }
  a {
    color: #000;
  }
  figure {
    break-inside: avoid;
  }
}