:root {
  --bg: #170222;
  --panel: #241031;
  --panel-soft: #321947;
  --panel-dark: #0b0011;
  --text: #ffffff;
  --muted: #e7dff0;
  --quiet: #baa4c9;
  --line: rgba(236, 222, 246, 0.18);
  --gold: #ffd84d;
  --rose: #d7b6e8;
  --violet-soft: #eadff1;
  --content-bg: #f4eef8;
  --content-panel: #ffffff;
  --content-panel-soft: #fbf7fd;
  --content-text: #1c0c28;
  --content-muted: #4f3d5e;
  --content-line: rgba(43, 13, 59, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, rgba(3, 0, 6, 0.92), rgba(23, 2, 34, 0.98)),
    url("../images/hero-sdk-agents.png") top right / 980px auto no-repeat,
    linear-gradient(145deg, #030006 0%, #170222 50%, #2a0a3c 100%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.docs-shell {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(9, 0, 13, 0.86);
  overflow-y: auto;
}

.brand {
  display: block;
  margin-bottom: 28px;
}

.brand img {
  width: 178px;
  height: auto;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 216, 77, 0.34);
  border-radius: 8px;
  background: rgba(63, 37, 81, 0.72);
  color: #ffffff;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 850;
  cursor: pointer;
}

.hamburger {
  position: relative;
  width: 22px;
  height: 16px;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: transform 0.18s ease, opacity 0.18s ease, top 0.18s ease;
}

.hamburger span:nth-child(1) {
  top: 0;
}

.hamburger span:nth-child(2) {
  top: 7px;
}

.hamburger span:nth-child(3) {
  top: 14px;
}

.sidebar[data-open="true"] .hamburger span:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}

.sidebar[data-open="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}

.sidebar[data-open="true"] .hamburger span:nth-child(3) {
  top: 7px;
  transform: rotate(-45deg);
}

.nav-group {
  display: grid;
  gap: 11px;
  margin: 22px 0;
  scrollbar-width: none;
}

.nav-group::-webkit-scrollbar {
  display: none;
}

.nav-label {
  margin-bottom: 4px;
  color: var(--quiet);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.nav-section {
  display: grid;
  gap: 5px;
}

.nav-link {
  display: block;
  padding: 10px 10px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
}

.nav-title {
  display: block;
}

.nav-title {
  color: inherit;
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.25;
}

.nav-subitems {
  display: grid;
  gap: 3px;
  padding-left: 10px;
}

.nav-subitems a {
  display: block;
  padding: 3px 8px;
  border-left: 1px solid rgba(236, 222, 246, 0.2);
  color: var(--quiet);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.28;
}

.nav-subitems a:hover {
  border-left-color: rgba(255, 216, 77, 0.58);
  color: #ffffff;
}

.nav-link:hover,
.nav-link.active {
  border-color: rgba(255, 216, 77, 0.4);
  background: rgba(63, 37, 81, 0.72);
  color: #ffffff;
}

.main {
  min-width: 0;
  background: linear-gradient(180deg, var(--content-bg), #ffffff 44rem);
  color: var(--content-text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 42px;
  border-bottom: 1px solid var(--content-line);
  background: rgba(255, 255, 255, 0.84);
}

.topbar a {
  color: var(--content-muted);
  font-weight: 800;
}

.topbar a:hover {
  color: var(--gold);
}

.content {
  width: min(920px, calc(100% - 56px));
  margin: 0 auto;
  padding: 56px 0 76px;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 18px;
  padding: 7px 11px;
  border: 1px solid rgba(215, 182, 232, 0.32);
  border-radius: 7px;
  background: rgba(123, 44, 191, 0.09);
  color: #5d287d;
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  margin-bottom: 18px;
  font-size: clamp(2.35rem, 4.8vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-top: 58px;
  margin-bottom: 15px;
  padding-top: 22px;
  border-top: 1px solid rgba(236, 222, 246, 0.12);
  font-size: clamp(1.5rem, 2.4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-top: 26px;
  margin-bottom: 10px;
  font-size: 1.16rem;
  line-height: 1.25;
}

p,
li {
  color: var(--content-muted);
}

p + p {
  margin-top: 12px;
}

ul,
ol {
  padding-left: 23px;
}

li + li {
  margin-top: 8px;
}

.lead {
  max-width: 760px;
  color: #382347;
  font-size: 1.12rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.card,
.callout,
.code-panel,
.table-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--content-panel);
  box-shadow: 0 18px 48px rgba(43, 13, 59, 0.08);
}

.card,
.callout {
  padding: 18px;
}

.card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--content-text);
}

.callout {
  margin: 22px 0;
  background: #efe3f6;
}

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

.code-panel {
  margin: 18px 0 26px;
  overflow: hidden;
  background: var(--panel-dark);
}

.code-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 15px;
  border-bottom: 1px solid rgba(236, 222, 246, 0.14);
  color: var(--rose);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

pre {
  overflow-x: auto;
  padding: 17px;
  color: #f6ecfb;
  font-size: 0.88rem;
  line-height: 1.62;
  white-space: pre;
}

.comment {
  color: var(--quiet);
}

p code,
li code,
td code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #eadff1;
  color: #210a2f;
  font-size: 0.9em;
}

.table-wrap {
  margin: 18px 0 26px;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th,
td {
  padding: 14px;
  border-bottom: 1px solid rgba(236, 222, 246, 0.14);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--content-text);
  background: #eadff1;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.pager a {
  display: inline-flex;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--content-panel);
  color: var(--content-text);
  font-weight: 850;
}

.pager a:hover {
  border-color: rgba(255, 216, 77, 0.48);
  color: var(--gold);
}

@media (max-width: 920px) {
  .docs-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    padding: 24px 20px;
    overflow: visible;
  }

  .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 0;
  }

  .brand {
    margin-bottom: 0;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    max-width: 160px;
  }

  .nav-group {
    position: absolute;
    z-index: 20;
    top: calc(100% - 10px);
    left: 20px;
    right: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    padding: 16px;
    border: 1px solid rgba(255, 216, 77, 0.22);
    border-radius: 8px;
    background: #0b0011;
    box-shadow: 0 24px 54px rgba(12, 0, 18, 0.42);
    max-height: min(72vh, 560px);
    overflow-y: auto;
  }

  .nav-label {
    grid-column: 1 / -1;
  }

  .sidebar[data-menu-ready="true"]:not([data-open="true"]) .nav-group {
    display: none;
  }

  .topbar {
    padding: 18px 24px;
  }

  .content {
    width: min(100% - 32px, 920px);
    padding-top: 42px;
  }
}

@media (max-width: 620px) {
  .nav-group,
  .cards {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .sidebar-header {
    align-items: center;
    flex-direction: row;
  }

  .mobile-nav-toggle {
    max-width: 154px;
  }

  h2 {
    margin-top: 44px;
  }

  pre {
    font-size: 0.8rem;
  }
}