:root {
  --bg: #ffffff;
  --text: #1f2937;
  --heading: #111827;
  --muted: #6b7280;
  --subtle: #9ca3af;
  --line: #e5e7eb;
  --soft: #f9fafb;
  --accent: #ff2d20;
  --accent-soft: #fff5f4;
  --code-bg: #16181d;
  --code-text: #f3f4f6;
  --header-height: 64px;
  --sidebar-width: 284px;
  --toc-width: 232px;
  --content-width: 790px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

button, input { font: inherit; }

code, pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* Header */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.brand {
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.top-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
}

.top-links > a {
  color: #4b5563;
  text-decoration: none;
}

.top-links > a:hover { color: var(--heading); }

.version {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: #374151;
  font-size: 13px;
  font-weight: 600;
}

.docs-search-trigger {
  width: min(360px, 32vw);
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 10px 0 13px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: var(--soft);
  color: #6b7280;
  cursor: pointer;
  font-size: 14px;
  font-weight: 400;
  text-align: left;
}

.docs-search-trigger:hover {
  border-color: #c4c8cf;
  background: #fff;
}

.docs-search-trigger kbd {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid #d1d5db;
  border-radius: 5px;
  background: #fff;
  color: #9ca3af;
  font-size: 11px;
  line-height: 1.35;
}

.mobile-menu-button {
  display: none;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #374151;
  cursor: pointer;
}

.mobile-menu-button svg { width: 20px; height: 20px; }

/* Three-column Laravel-like docs layout */
.shell {
  width: 100%;
  max-width: 1510px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--toc-width);
  min-height: calc(100vh - var(--header-height));
}

.sidebar {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 34px 30px 72px 28px;
  border-right: 1px solid var(--line);
  background: #fff;
  scrollbar-width: thin;
}

.nav-group { margin: 0 0 28px; }

.nav-title {
  margin: 0 0 9px;
  color: var(--heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.nav-link {
  position: relative;
  display: block;
  padding: 4px 0 4px 14px;
  color: #6b7280;
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: transparent;
}

.nav-link:hover {
  color: var(--heading);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent);
  font-weight: 600;
}

.nav-link.active::before { background: var(--accent); }

.content { min-width: 0; }

.article {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: 50px 34px 100px;
}

.eyebrow { display: none; }

h1, h2, h3, h4 {
  color: var(--heading);
  line-height: 1.25;
  letter-spacing: -.025em;
  scroll-margin-top: calc(var(--header-height) + 30px);
}

h1 {
  margin: 0 0 28px;
  font-size: 40px;
  font-weight: 700;
}

h2 {
  margin: 56px 0 18px;
  padding-top: 2px;
  font-size: 28px;
  font-weight: 700;
}

h3 {
  margin: 38px 0 14px;
  font-size: 21px;
  font-weight: 700;
}

h4 {
  margin: 28px 0 10px;
  font-size: 17px;
  font-weight: 700;
}

.lead {
  max-width: 720px;
  margin: -10px 0 30px;
  color: #4b5563;
  font-size: 18px;
  line-height: 1.8;
}

p { margin: 0 0 19px; }

p, li { font-size: 16px; }

.article ul,
.article ol {
  margin: 0 0 22px;
  padding-left: 24px;
}

.article li { margin: 6px 0; }

.article strong { color: var(--heading); }

.article hr {
  margin: 46px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.article h2 > a,
.article h3 > a { color: inherit; }

/* Code and inline code */
pre {
  margin: 22px 0;
  padding: 20px 22px;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 13.5px;
  line-height: 1.75;
  tab-size: 4;
}

p code,
li code,
td code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #f3f4f6;
  color: #e11d14;
  font-size: .9em;
}

.code-block {
  position: relative;
  margin: 22px 0;
}

.code-block pre {
  margin: 0;
  padding-top: 46px;
}

.copy-code {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 8px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 5px;
  background: rgba(255,255,255,.06);
  color: #9ca3af;
  font-size: 11px;
  cursor: pointer;
}

.copy-code:hover {
  background: rgba(255,255,255,.11);
  color: #fff;
}

/* Notes / tables */
.callout {
  margin: 26px 0;
  padding: 15px 18px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: #4b5563;
}

.callout strong { color: var(--heading); }

.callout.note {
  border-left-color: #9ca3af;
  background: #f9fafb;
}

table {
  width: 100%;
  margin: 24px 0 30px;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--heading);
  font-weight: 600;
  background: #fafafa;
}

/* Old cards are intentionally flattened to read like docs */
.grid {
  display: block;
  margin: 26px 0;
}

.card {
  display: block;
  padding: 15px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: inherit;
}

.card:first-child { border-top: 1px solid var(--line); }

.card:hover {
  text-decoration: none;
}

.card h3 {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Right-side page outline */
.toc-panel {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 38px 26px 70px 24px;
}

.toc-title {
  margin: 0 0 12px;
  color: var(--heading);
  font-size: 12px;
  font-weight: 700;
}

.toc-link {
  position: relative;
  display: block;
  padding: 4px 0 4px 13px;
  color: #9ca3af;
  font-size: 12.5px;
  line-height: 1.5;
  text-decoration: none;
}

.toc-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #d1d5db;
}

.toc-link:hover,
.toc-link.active {
  color: #374151;
  text-decoration: none;
}

.toc-link.active {
  color: var(--accent);
  font-weight: 600;
}

.toc-link.active::before { background: var(--accent); }

.toc-h3 { padding-left: 24px; }

.toc-h3::before { left: 11px; }

/* Previous / next */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 68px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-nav-item {
  display: grid;
  gap: 2px;
  color: var(--heading);
  text-decoration: none;
}

.page-nav-item:hover { text-decoration: none; }

.page-nav-item span {
  color: #9ca3af;
  font-size: 12px;
}

.page-nav-item strong {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.page-nav-item.next { text-align: right; }

.footer {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #9ca3af;
  font-size: 12px;
}

/* Search */
.docs-search-dialog[hidden] { display: none; }

.docs-search-dialog {
  position: fixed;
  inset: 0;
  z-index: 100;
}

.docs-search-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, .46);
  backdrop-filter: blur(2px);
}

.docs-search-panel {
  position: relative;
  width: min(680px, calc(100vw - 28px));
  max-height: min(620px, calc(100vh - 90px));
  margin: 74px auto 0;
  overflow: hidden;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}

.docs-search-input-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 11px;
  align-items: center;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
}

.docs-search-input-row input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--heading);
  font-size: 16px;
}

.docs-search-input-row button {
  border: 0;
  background: transparent;
  color: #9ca3af;
  font-size: 12px;
  cursor: pointer;
}

.docs-search-results {
  max-height: 430px;
  overflow-y: auto;
  padding: 6px;
}

.docs-search-result {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 7px;
  color: #4b5563;
  text-decoration: none;
}

.docs-search-result:hover {
  background: #f9fafb;
  text-decoration: none;
}

.docs-search-result strong {
  color: var(--heading);
  font-size: 14px;
}

.docs-search-result > span:last-child {
  color: #6b7280;
  font-size: 12px;
}

.docs-search-result-section {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.docs-search-empty {
  padding: 30px 14px;
  color: #6b7280;
  text-align: center;
}

.docs-search-help {
  padding: 9px 14px;
  border-top: 1px solid var(--line);
  color: #9ca3af;
  font-size: 11px;
}

.search-open,
.nav-open { overflow: hidden; }

/* Existing mobile-nav placeholder must never dump the sidebar inline */
.mobile-nav { display: none !important; }

/* Mobile drawer */
.mobile-drawer[hidden] { display: none; }

.mobile-drawer {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 45;
}

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, .35);
}

.mobile-drawer-panel {
  position: relative;
  width: min(330px, 88vw);
  height: 100%;
  overflow-y: auto;
  padding: 26px 24px 60px;
  background: #fff;
  box-shadow: 14px 0 36px rgba(0,0,0,.12);
}

.mobile-drawer .nav-group { margin-bottom: 26px; }
.mobile-drawer .nav-title { font-size: 14px; }
.mobile-drawer .nav-link { padding-top: 6px; padding-bottom: 6px; font-size: 15px; }

/* Breakpoints */
@media (max-width: 1240px) {
  .shell { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
  .toc-panel { display: none; }
}

@media (max-width: 960px) {
  .topbar {
    gap: 12px;
    padding: 0 16px;
  }

  .brand {
    min-width: 0;
    margin-right: auto;
    font-size: 17px;
  }

  .shell { display: block; }

  .sidebar { display: none; }

  .article {
    width: min(100%, 760px);
    padding: 38px 24px 80px;
  }

  h1 { font-size: 34px; }
  h2 { margin-top: 48px; font-size: 26px; }

  .docs-search-trigger {
    width: 38px;
    min-width: 38px;
    padding: 0;
    justify-content: center;
    border-color: var(--line);
    background: #fff;
  }

  .docs-search-trigger span { display: none; }

  .docs-search-trigger::before {
    content: "⌕";
    color: #374151;
    font-size: 20px;
  }

  .docs-search-trigger kbd { display: none; }

  .mobile-menu-button { display: grid; }

  .top-links {
    flex: 0 0 auto;
    gap: 9px;
  }

  .top-links .hide-mobile { display: none; }

  .top-links > a { display: none; }

  .version { min-height: 36px; }
}

@media (max-width: 600px) {
  :root { --header-height: 58px; }

  .topbar { height: var(--header-height); }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .article {
    padding: 32px 20px 70px;
  }

  h1 {
    margin-bottom: 22px;
    font-size: 31px;
    line-height: 1.2;
  }

  h2 {
    margin-top: 44px;
    font-size: 24px;
  }

  h3 { font-size: 20px; }

  .lead {
    font-size: 17px;
    line-height: 1.7;
  }

  p, li { font-size: 15.5px; }

  pre {
    margin-left: -4px;
    margin-right: -4px;
    padding: 18px 16px;
    border-radius: 7px;
    font-size: 12.5px;
  }

  .code-block { margin-left: -4px; margin-right: -4px; }
  .code-block pre { margin: 0; }

  table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }

  .page-nav {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-nav-item.next { text-align: left; }

  .docs-search-panel { margin-top: 64px; }
}