* { box-sizing: border-box; }

:root {
  --bg: #0b1020;
  --bg-soft: #101834;
  --bg-soft-2: #0f1732;
  --card: #111a35;
  --line: #1f2a44;
  --text: #e6ecff;
  --muted: #9ab0d6;
  --link: #c9d8f9;
  --btn: #53c1ff;
  --btn-text: #052038;
  --btn-alt: #1e2d51;
  --btn-alt-text: #ddedff;
  --ok-bg: #103320;
  --ok-line: #2d7d4e;
  --ok-text: #8be6af;
  --warn-bg: #3a1322;
  --warn-line: #8f2f49;
  --warn-text: #ff9bb1;
}

body[data-theme="light"] {
  --bg: #edf2fb;
  --bg-soft: #ffffff;
  --bg-soft-2: #f5f8ff;
  --card: #ffffff;
  --line: #d4deef;
  --text: #11213d;
  --muted: #4d638a;
  --link: #2b4571;
  --btn: #2087ff;
  --btn-text: #ffffff;
  --btn-alt: #e7eefc;
  --btn-alt-text: #1f3b68;
  --ok-bg: #e6f9ee;
  --ok-line: #7fcca0;
  --ok-text: #1f7a45;
  --warn-bg: #ffe8ef;
  --warn-line: #eba6ba;
  --warn-text: #8d2948;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; }

.site-shell {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 0;
  min-height: calc(100vh - 88px);
}

.sidebar {
  border-right: 1px solid var(--line);
  background: var(--bg-soft-2);
  padding: 18px 14px;
}

.sidebar-title {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0.3px;
}

.sidebar-nav {
  display: grid;
  gap: 6px;
}

.sidebar-nav a {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--link);
  font-size: 14px;
  background: var(--card);
}

.sidebar-nav a:hover {
  border-color: #5cb8ff;
}

.sidebar-nav a.active {
  border-color: #5cb8ff;
  box-shadow: inset 0 0 0 1px #5cb8ff;
}

.sidebar-note {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--card);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.site-main {
  min-width: 0;
}

.page-intro {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft-2);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--line);
}

h1 { margin: 0; font-size: 20px; }
p { margin: 4px 0 0; color: var(--muted); }

.main-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.main-nav a,
.theme-toggle {
  color: var(--link);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid var(--line);
  padding: 7px 10px;
  border-radius: 8px;
  background: transparent;
}

.main-nav a:hover,
.theme-toggle:hover {
  border-color: #5cb8ff;
}

.theme-toggle {
  cursor: pointer;
  font-weight: 600;
}

.status-pill {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-pill.ok {
  border-color: var(--ok-line);
  color: var(--ok-text);
  background: var(--ok-bg);
}

.status-pill.fail {
  border-color: var(--warn-line);
  color: var(--warn-text);
  background: var(--warn-bg);
}

.hero {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft-2);
}

.hero h2 {
  margin: 0;
  font-size: 26px;
}

.hero p { margin-top: 8px; }

.hero-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  color: var(--btn-text);
  background: var(--btn);
  border: 1px solid var(--btn);
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 600;
}

.btn.alt {
  color: var(--btn-alt-text);
  background: var(--btn-alt);
  border: 1px solid var(--line);
}

.layout {
  max-width: 1200px;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  padding: 18px;
}

.layout-single {
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 14px;
  min-height: 220px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 17px;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  color: var(--text);
  line-height: 1.55;
}

code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Mono", monospace;
}

.muted {
  color: var(--muted);
}

.sdk-search {
  width: 100%;
  margin-top: 10px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-soft-2);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
}

.sdk-module {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
  background: var(--bg-soft-2);
}

.sdk-module h3 {
  margin: 0;
  font-size: 16px;
}

.sdk-module-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  text-align: left;
  padding: 9px 10px;
  font-size: 14px;
  cursor: pointer;
}

.sdk-module-toggle:hover {
  border-color: #5cb8ff;
}

.sdk-module-meta {
  color: var(--muted);
  font-size: 12px;
}

.sdk-module-desc {
  margin-top: 8px;
  margin-bottom: 0;
  font-size: 13px;
}

.sdk-fn-list {
  margin-top: 10px;
}

.sdk-item {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.sdk-signature {
  display: block;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 13px;
}

.sdk-comment {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}