/* shadcn-inspired — zinc, sin sombras */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  --background: hsl(0 0% 100%);
  --foreground: hsl(240 10% 3.9%);
  --card: hsl(0 0% 100%);
  --muted: hsl(240 4.8% 95.9%);
  --muted-fg: hsl(240 3.8% 46.1%);
  --border: hsl(240 5.9% 90%);
  --primary: hsl(240 5.9% 10%);
  --primary-fg: hsl(0 0% 98%);
  --ring: hsl(240 5.9% 10%);
  --radius: 0.5rem;
  --font: 'Inter', ui-sans-serif, system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 16px 24px;
}

/* header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--muted);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.brand h1 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--muted);
  color: var(--muted-fg);
  white-space: nowrap;
}

.header-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: calc(var(--radius) - 2px);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}

.btn-default {
  background: var(--primary);
  color: var(--primary-fg);
}

.btn-default:hover {
  background: hsl(240 5.9% 20%);
  color: var(--primary-fg);
}

.btn-outline {
  background: var(--background);
  border-color: var(--border);
  color: var(--foreground);
}

.btn-outline:hover {
  background: var(--muted);
}

.btn-ghost {
  background: transparent;
  color: var(--muted-fg);
}

.btn-ghost:hover {
  background: var(--muted);
  color: var(--foreground);
}

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

.btn-icon {
  width: 28px;
  padding: 0;
}

/* layout grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--muted);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-fg);
}

.panel-head .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: hsl(142 76% 36%);
}

.service-list {
  list-style: none;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.service-item:last-child {
  border-bottom: none;
}

.service-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 13px;
  min-width: 0;
}

.service-icon {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 11px;
  color: var(--muted-fg);
  flex-shrink: 0;
}

.service-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hint {
  font-size: 11px;
  color: var(--muted-fg);
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  background: var(--background);
}

/* docs page */
.docs-shell {
  max-width: 1040px;
}

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 10px;
  align-items: start;
}

.docs-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.doc-list-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  background: var(--card);
}

.doc-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.doc-link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.12s, border-color 0.12s;
}

.doc-link:hover,
.doc-link.active {
  background: var(--muted);
  border-color: var(--border);
}

.doc-link-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--foreground);
}

.doc-link-sub {
  font-size: 11px;
  color: var(--muted-fg);
}

@media (max-width: 768px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
}

.toc {
  position: sticky;
  top: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}

.toc-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-fg);
  padding: 4px 6px 6px;
}

.toc a {
  display: block;
  padding: 4px 6px;
  font-size: 12px;
  color: var(--muted-fg);
  text-decoration: none;
  border-radius: 4px;
  line-height: 1.35;
}

.toc a:hover {
  background: var(--muted);
  color: var(--foreground);
}

.toc a.active {
  background: var(--muted);
  color: var(--foreground);
  font-weight: 500;
}

.prose-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-height: 200px;
}

.prose {
  font-size: 13px;
  line-height: 1.55;
  color: var(--foreground);
}

.prose h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.prose h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 18px 0 8px;
  padding-top: 4px;
}

.prose h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 14px 0 6px;
}

.prose p {
  margin: 0 0 8px;
  color: hsl(240 4% 26%);
}

.prose ul,
.prose ol {
  margin: 0 0 8px;
  padding-left: 1.25rem;
}

.prose li {
  margin: 2px 0;
}

.prose a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose code {
  font-size: 0.85em;
  background: var(--muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 4px;
}

.prose pre {
  margin: 8px 0;
  padding: 10px 12px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.45;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 8px 0;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
}

.prose th {
  background: var(--muted);
  font-weight: 500;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 14px 0;
}

.prose blockquote {
  border-left: 2px solid var(--border);
  padding-left: 10px;
  color: var(--muted-fg);
  margin: 8px 0;
}

#loading[hidden],
#error[hidden],
#doc-body[hidden] {
  display: none !important;
}

.loading:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  color: var(--muted-fg);
  font-size: 13px;
}

.error-box:not([hidden]) {
  display: block;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-box {
  padding: 12px;
  border: 1px solid hsl(0 72% 51% / 0.3);
  background: hsl(0 86% 97%);
  color: hsl(0 72% 35%);
  border-radius: var(--radius);
  font-size: 13px;
}

.hljs {
  background: var(--muted) !important;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
}

.site-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted-fg);
  text-align: center;
}