/* Tollan docs — dependency-free, no web fonts, no external requests.
   Shares the marketing brand tokens; adds a docs three-column shell. */
:root {
  --green: #009a44;
  --green-600: #00803a;
  --green-700: #1a6b3a;
  --ink: #0d1512;
  --body: #33403a;
  --bg: #ffffff;
  --surface: #f4f7f5;
  --surface-2: #eef3f0;
  --line: #e0e7e2;
  --code-bg: #0e1613;
  --code-fg: #d7e6dd;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --topbar-h: 56px;
  --sidebar-w: 250px;
  --toc-w: 210px;
  --maxw: 1400px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eaf3ee;
    --body: #aab8b1;
    --bg: #0c110f;
    --surface: #131a16;
    --surface-2: #17201b;
    --line: #223029;
    --code-bg: #070b09;
    --code-fg: #cbdcd3;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 1rem);
}
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--green-600);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.muted {
  opacity: 0.8;
}
.sr-only,
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 60;
  background: var(--green);
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

/* ---- internal banner ---- */
.banner {
  position: sticky;
  top: 0;
  z-index: 50;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #fff;
  background: #b5426a;
  padding: 0.3rem 1rem;
}
.banner + .topbar {
  top: 0;
}

/* ---- topbar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.1rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand {
  color: var(--ink);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand__mark {
  color: var(--green);
}
.brand__docs {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--green-600);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  vertical-align: middle;
}
.topbar__menu {
  display: none;
  background: none;
  border: 0;
  color: var(--ink);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.2rem 0.3rem;
}
.search {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}
.search input {
  width: 100%;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
}
.search input:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}
.topbar__links {
  display: flex;
  gap: 1.1rem;
}
.topbar__links a {
  color: var(--body);
  font-weight: 550;
  font-size: 0.92rem;
}
.topbar__links a:hover {
  color: var(--ink);
  text-decoration: none;
}

/* ---- shell ---- */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  align-items: start;
}

/* ---- sidebar ---- */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 1.5rem 0.75rem 3rem 1.1rem;
  border-right: 1px solid var(--line);
}
.side-sec {
  margin-bottom: 1.4rem;
}
.side-sec__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  color: var(--body);
  opacity: 0.75;
  margin: 0 0 0.5rem 0.6rem;
}
.side-link {
  display: block;
  padding: 0.32rem 0.6rem;
  margin: 0.1rem 0;
  border-radius: 7px;
  color: var(--body);
  font-size: 0.9rem;
  border-left: 2px solid transparent;
}
.side-link:hover {
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.side-link.is-active {
  color: var(--green-700);
  background: color-mix(in srgb, var(--green) 10%, transparent);
  border-left-color: var(--green);
  font-weight: 650;
}
@media (prefers-color-scheme: dark) {
  .side-link.is-active {
    color: #7fe0aa;
    color: color-mix(in srgb, var(--green) 55%, var(--ink));
  }
}
.side-hidden {
  display: none;
}

/* ---- main doc column ---- */
.doc {
  min-width: 0;
  padding: 1.5rem clamp(1.1rem, 3vw, 3rem) 4rem;
}
.breadcrumb {
  font-size: 0.82rem;
  color: var(--body);
  opacity: 0.85;
  margin-bottom: 0.5rem;
}
.breadcrumb a {
  color: var(--body);
}
.breadcrumb span {
  margin: 0 0.4rem;
  opacity: 0.5;
}

/* ---- prose ---- */
.prose {
  max-width: 46rem;
}
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
  scroll-margin-top: calc(var(--topbar-h) + 1rem);
}
.prose h1 {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 800;
  margin: 0 0 0.4em;
}
.prose h2 {
  font-size: 1.5rem;
  font-weight: 750;
  margin: 2.2rem 0 0.7rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
}
.prose h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin: 1.8rem 0 0.5rem;
}
.prose h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.4rem 0 0.4rem;
}
.prose p,
.prose li {
  font-size: 0.98rem;
}
.prose ul,
.prose ol {
  padding-left: 1.4rem;
}
.prose li {
  margin: 0.3rem 0;
}
.prose strong {
  color: var(--ink);
}
.anchor {
  margin-left: 0.4rem;
  color: var(--line);
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.12s;
}
.prose h2:hover .anchor,
.prose h3:hover .anchor {
  opacity: 1;
  color: var(--green);
  text-decoration: none;
}

/* inline + block code */
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.08em 0.36em;
  color: var(--ink);
}
.code {
  position: relative;
  margin: 1.1rem 0;
  border-radius: 10px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  overflow: hidden;
}
.code__lang {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #8aa79a;
  background: color-mix(in srgb, var(--code-bg) 60%, #000);
  padding: 0.2rem 0.6rem;
  border-bottom-left-radius: 8px;
}
.code pre {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}
.code pre code {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.6;
  background: none;
  border: 0;
  padding: 0;
  color: var(--code-fg);
}

/* callouts */
.callout {
  margin: 1.2rem 0;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  background: color-mix(in srgb, var(--green) 6%, transparent);
}
.callout p {
  margin: 0.2rem 0;
}
.callout__label {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--green-700);
}
.callout--tip {
  border-left-color: #1a9ad1;
  background: color-mix(in srgb, #1a9ad1 7%, transparent);
}
.callout--tip .callout__label {
  color: #1a7fa8;
}
.callout--warn {
  border-left-color: #d9962a;
  background: color-mix(in srgb, #d9962a 8%, transparent);
}
.callout--warn .callout__label {
  color: #b5771a;
}
.callout--important {
  border-left-color: #b5426a;
  background: color-mix(in srgb, #b5426a 7%, transparent);
}
.callout--important .callout__label {
  color: #a3355c;
}

/* blockquote */
.prose blockquote {
  margin: 1.1rem 0;
  padding: 0.2rem 1rem;
  border-left: 3px solid var(--line);
  color: var(--body);
}

/* tables */
.table-scroll {
  overflow-x: auto;
  margin: 1.2rem 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.prose thead th {
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
}
.prose td code {
  white-space: nowrap;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}
.prose img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

/* pager */
.pager {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
}
.pager a {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  color: var(--ink);
}
.pager a:hover {
  border-color: var(--green);
  text-decoration: none;
}
.pager .pager__dir {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--body);
  opacity: 0.8;
}
.pager .pager__title {
  font-weight: 650;
  color: var(--green-700);
}
.pager__next {
  text-align: right;
}

.doc__foot {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

/* ---- on-this-page TOC ---- */
.toc {
  position: sticky;
  top: var(--topbar-h);
  max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 1.7rem 1rem 3rem;
  font-size: 0.84rem;
}
.toc__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  opacity: 0.75;
  margin-bottom: 0.6rem;
}
.toc a {
  display: block;
  padding: 0.2rem 0;
  color: var(--body);
  border-left: 2px solid var(--line);
  padding-left: 0.7rem;
}
.toc a:hover {
  color: var(--ink);
  text-decoration: none;
}
.toc a.lvl-3 {
  padding-left: 1.4rem;
  font-size: 0.8rem;
}
.toc a.is-active {
  color: var(--green-700);
  border-left-color: var(--green);
  font-weight: 600;
}
@media (prefers-color-scheme: dark) {
  .toc a.is-active {
    color: color-mix(in srgb, var(--green) 55%, var(--ink));
  }
}

/* landing cards (used on the docs home) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.4rem 0;
}
.doc-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  background: var(--bg);
  color: var(--body);
}
.doc-card:hover {
  border-color: var(--green);
  text-decoration: none;
}
.doc-card h3 {
  margin: 0 0 0.3rem;
  color: var(--ink);
  font-size: 1.02rem;
}
.doc-card p {
  margin: 0;
  font-size: 0.9rem;
}

/* ---- responsive ---- */
@media (max-width: 1100px) {
  .shell {
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
}
@media (max-width: 860px) {
  .topbar__menu {
    display: block;
  }
  .topbar__links {
    display: none;
  }
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: min(84vw, 320px);
    height: calc(100vh - var(--topbar-h));
    background: var(--bg);
    border-right: 1px solid var(--line);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 45;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  }
  .sidebar.is-open {
    transform: translateX(0);
  }
  .scrim {
    position: fixed;
    inset: var(--topbar-h) 0 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 44;
  }
}
@media (max-width: 520px) {
  .search {
    max-width: none;
  }
}