/*
 * Public documentation (SSR) — visual replica of the Manager SPA.
 *
 * Tokens are copied from frontend/src/index.css (layers 1 and 3). They are
 * declared inside @layer base so the unlayered :root rules coming from
 * /api/branding.css (accent white-label) keep priority, exactly like in the
 * SPA. Dark mode is driven by a `.dark` class on <html>, toggled by
 * docs.js using the same localStorage hint as the SPA (gcp.theme.hint).
 */

@layer base {
  :root {
    color-scheme: light;
    --gcp-bg: #fafaf9;
    --gcp-bg-elevated: #ffffff;
    --gcp-bg-hover: #f4f4f5;
    --gcp-bg-active: rgba(var(--gcp-accent-rgb), 0.1);
    --gcp-field-bg: var(--gcp-bg);
    --gcp-fg: #18181b;
    --gcp-fg-muted: #71717a;
    --gcp-fg-subtle: #a1a1aa;
    --gcp-border: #e4e4e7;
    --gcp-border-strong: #d4d4d8;

    --gcp-accent: #2563eb;
    --gcp-accent-rgb: 37, 99, 235;
    --gcp-accent-hover: #1d4ed8;
    --gcp-accent-fg: #ffffff;

    --gcp-success-bg: #ecfdf5;
    --gcp-success-fg: #047857;
    --gcp-success-dot: #10b981;
    --gcp-warning-bg: #fffbeb;
    --gcp-warning-fg: #b45309;
    --gcp-warning-dot: #f59e0b;
    --gcp-danger-bg: #fef2f2;
    --gcp-danger-fg: #b91c1c;
    --gcp-danger-dot: #ef4444;
    --gcp-info-bg: #f5f3ff;
    --gcp-info-fg: #6d28d9;
    --gcp-info-dot: #8b5cf6;
    --gcp-neutral-bg: #f4f4f5;
    --gcp-neutral-fg: #52525b;

    --radius-sm: 4px;
    --radius: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
  }

  .dark {
    color-scheme: dark;
    --gcp-bg: #131316;
    --gcp-bg-elevated: #1e1e22;
    --gcp-bg-hover: #2a2a2e;
    --gcp-bg-active: rgba(var(--gcp-accent-rgb), 0.18);
    --gcp-fg: #fafafa;
    --gcp-fg-muted: #a1a1aa;
    --gcp-fg-subtle: #71717a;
    --gcp-border: #2c2c31;
    --gcp-border-strong: #45454c;

    --gcp-success-bg: rgba(16, 185, 129, 0.14);
    --gcp-success-fg: #6ee7b7;
    --gcp-warning-bg: rgba(245, 158, 11, 0.14);
    --gcp-warning-fg: #fcd34d;
    --gcp-danger-bg: rgba(239, 68, 68, 0.14);
    --gcp-danger-fg: #fca5a5;
    --gcp-info-bg: rgba(139, 92, 246, 0.14);
    --gcp-info-fg: #c4b5fd;
    --gcp-neutral-bg: rgba(161, 161, 170, 0.14);
    --gcp-neutral-fg: #d4d4d8;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--gcp-bg);
  color: var(--gcp-fg);
  font-family:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a[href],
button:not(:disabled),
summary {
  cursor: pointer;
}

.docs-icon {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

.docs-skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--gcp-fg);
  color: var(--gcp-bg-elevated);
  font-size: 0.875rem;
  transform: translateY(-300%);
}

.docs-skip-link:focus {
  transform: translateY(0);
}

/* ============================================================
 * Topbar — replica of AppTopbar (h-12, elevated, border-b)
 * ============================================================ */

.docs-topbar {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  height: 3rem;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--gcp-border);
  background: var(--gcp-bg-elevated);
  padding-inline: 0.75rem;
}

.docs-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
}

.docs-brand__mark {
  display: flex;
  height: 1.5rem;
  width: 1.5rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--gcp-accent);
  color: var(--gcp-accent-fg);
  font-size: 11px;
  font-weight: 500;
}

.docs-brand__text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  line-height: 1.25;
}

.docs-brand__name {
  overflow: hidden;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--gcp-fg);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-brand__product {
  overflow: hidden;
  font-size: 11px;
  color: var(--gcp-fg-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-topbar__spacer {
  flex: 1;
}

/* ============================================================
 * Dropdown menus (language / theme) — replica of the shadcn
 * DropdownMenu look used in the SPA topbar.
 * ============================================================ */

.docs-menu {
  position: relative;
}

.docs-menu > summary {
  display: flex;
  height: 2rem;
  width: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--gcp-fg-muted);
  list-style: none;
  transition: background-color 120ms ease, color 120ms ease;
}

.docs-menu > summary::-webkit-details-marker {
  display: none;
}

.docs-menu > summary:hover,
.docs-menu[open] > summary {
  background: var(--gcp-bg-hover);
  color: var(--gcp-fg);
}

.docs-menu > summary:focus-visible {
  outline: 2px solid rgba(var(--gcp-accent-rgb), 0.4);
  outline-offset: 1px;
}

/* Theme trigger shows the icon of the resolved theme, like the SPA. */
.docs-theme-icon--moon {
  display: none;
}

.dark .docs-theme-icon--sun {
  display: none;
}

.dark .docs-theme-icon--moon {
  display: block;
}

.docs-menu__content {
  position: absolute;
  z-index: 50;
  top: calc(100% + 0.25rem);
  right: 0;
  min-width: 10rem;
  padding: 0.25rem;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  background: var(--gcp-bg-elevated);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.docs-menu__label {
  margin: 0;
  padding: 0.375rem 0.5rem;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
}

.docs-menu__separator {
  height: 1px;
  margin: 0.25rem -0.25rem;
  background: var(--gcp-border);
}

.docs-menu__item {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--gcp-fg);
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
  text-decoration: none;
}

.docs-menu__item:hover {
  background: var(--gcp-bg-hover);
  color: var(--gcp-fg);
}

.docs-menu__item .docs-menu__mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--gcp-fg-muted);
}

.docs-menu__check {
  margin-left: auto;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
}

/* ============================================================
 * Page header — replica of PageHeader (border-b, elevated band)
 * ============================================================ */

.docs-page-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1px solid var(--gcp-border);
  background: var(--gcp-bg-elevated);
  padding: 0.75rem 1rem;
}

.docs-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--gcp-fg-muted);
  font-size: 11px;
}

.docs-breadcrumbs a {
  color: var(--gcp-fg-muted);
  text-decoration: none;
  transition: color 120ms ease;
}

.docs-breadcrumbs a:hover {
  color: var(--gcp-fg);
}

.docs-breadcrumbs .docs-breadcrumbs__sep {
  width: 0.75rem;
  height: 0.75rem;
  color: var(--gcp-fg-subtle);
}

.docs-breadcrumbs [aria-current="page"] {
  color: var(--gcp-fg);
}

.docs-page-header__row {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.5rem;
}

.docs-back {
  display: flex;
  height: 2rem;
  width: 2rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--gcp-fg-muted);
  transition: background-color 120ms ease, color 120ms ease;
}

.docs-back:hover {
  background: var(--gcp-bg-hover);
  color: var(--gcp-fg);
}

.docs-page-header h1 {
  overflow: hidden;
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--gcp-fg);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-page-header__description {
  margin: 0.125rem 0 0;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
}

.docs-page-header__description a {
  color: var(--gcp-fg-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.docs-page-header__description a:hover {
  color: var(--gcp-fg);
}

/* ============================================================
 * Main content
 * ============================================================ */

.docs-main {
  flex: 1;
  width: 100%;
  max-width: 64rem;
  margin-inline: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Search — replica of the SPA Input with the leading Search icon. */
.docs-search {
  position: relative;
  max-width: 28rem;
}

.docs-search .docs-search__icon {
  /* Anchored to the input's height (2.25rem), not the form, because the
     optional "clear search" line below would offset a 50% translate. */
  position: absolute;
  top: 0.625rem;
  left: 0.625rem;
  width: 1rem;
  height: 1rem;
  color: var(--gcp-fg-subtle);
  pointer-events: none;
}

.docs-search input {
  width: 100%;
  height: 2.25rem;
  padding: 0.25rem 0.75rem 0.25rem 2rem;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  background: var(--gcp-field-bg);
  color: var(--gcp-fg);
  font: inherit;
  font-size: 0.875rem;
}

.docs-search input::placeholder {
  color: var(--gcp-fg-subtle);
}

.docs-search input:focus-visible {
  outline: 2px solid rgba(var(--gcp-accent-rgb), 0.4);
  outline-offset: 0;
  border-color: var(--gcp-accent);
}

.docs-search__clear {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.docs-search__clear a {
  color: var(--gcp-fg-muted);
}

/* ============================================================
 * Section cards — replica of SectionCard (+ inset article list)
 * ============================================================ */

.docs-card {
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius-lg);
  background: var(--gcp-bg-elevated);
}

.docs-card__header {
  padding: 0.75rem 1rem;
}

.docs-card__header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gcp-fg);
}

.docs-card__header p {
  margin: 0.25rem 0 0;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
}

.docs-article-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.docs-article-list li + li {
  border-top: 1px solid var(--gcp-border);
}

.docs-article-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: inherit;
  text-decoration: none;
  transition: background-color 120ms ease;
}

.docs-article-list a:hover {
  background: var(--gcp-bg-hover);
}

.docs-article-list li:last-child a {
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.docs-article-list .docs-article-list__text {
  display: block;
  min-width: 0;
  flex: 1;
}

.docs-article-list .docs-article-list__title {
  display: block;
  overflow: hidden;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gcp-fg);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docs-article-list .docs-article-list__excerpt {
  display: -webkit-box;
  overflow: hidden;
  margin: 0.125rem 0 0;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.docs-article-list .docs-article-list__chevron {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--gcp-fg-subtle);
}

.docs-empty {
  padding: 2.5rem 1rem;
  color: var(--gcp-fg-muted);
  font-size: 0.875rem;
  text-align: center;
}

.docs-empty p {
  margin: 0 0 0.5rem;
}

.docs-empty a {
  color: var(--gcp-accent);
}

/* ============================================================
 * Article body — replica of MarkdownContent (docs-prose)
 * ============================================================ */

.docs-article-card {
  padding: 1rem 1.25rem;
}

.docs-prose {
  max-width: 48rem;
  margin-inline: auto;
  color: var(--gcp-fg);
}

.docs-prose > :first-child {
  margin-top: 0;
}

.docs-prose > :last-child {
  margin-bottom: 0;
}

.docs-prose h1 {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.docs-prose h2 {
  margin: 1.5rem 0 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--gcp-border);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.docs-prose h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.docs-prose h4 {
  margin: 1rem 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.docs-prose h2,
.docs-prose h3,
.docs-prose h4 {
  scroll-margin-top: 4rem;
}

.docs-prose p {
  margin: 0.75rem 0;
  font-size: 0.875rem;
  line-height: 1.625;
}

.docs-prose a {
  color: var(--gcp-accent);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.docs-prose a:hover {
  color: var(--gcp-accent-hover);
}

.docs-prose ul,
.docs-prose ol {
  margin: 0.75rem 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.625;
}

.docs-prose li {
  padding-left: 0.25rem;
}

.docs-prose li + li {
  margin-top: 0.375rem;
}

.docs-prose blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--gcp-border-strong);
  color: var(--gcp-fg-muted);
  font-size: 0.875rem;
  font-style: italic;
}

.docs-prose hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid var(--gcp-border);
}

.docs-prose strong {
  font-weight: 600;
}

.docs-prose code {
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius-sm);
  background: var(--gcp-bg-hover);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.docs-prose pre {
  margin: 1rem 0;
  padding: 0.75rem;
  overflow-x: auto;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  background: var(--gcp-bg-hover);
  font-size: 13px;
  line-height: 1.625;
}

.docs-prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.docs-prose img,
.docs-prose video {
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
}

.docs-prose table {
  display: block;
  width: 100%;
  margin: 1rem 0;
  overflow-x: auto;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  border-collapse: collapse;
  font-size: 0.875rem;
}

.docs-prose thead {
  background: var(--gcp-bg-hover);
}

.docs-prose th {
  padding: 0.5rem 0.75rem;
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  text-align: left;
  text-transform: uppercase;
}

.docs-prose td {
  padding: 0.5rem 0.75rem;
  vertical-align: top;
}

.docs-prose tbody tr {
  border-top: 1px solid var(--gcp-border);
}

/* Callouts — replica of MarkdownContent's Callout (icon + body). */
.docs-callout {
  display: flex;
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius);
  background: var(--gcp-info-bg);
  color: var(--gcp-info-fg);
}

.docs-callout__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.docs-callout__body {
  min-width: 0;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.625;
}

.docs-callout__body > :first-child {
  margin-top: 0;
}

.docs-callout__body > :last-child {
  margin-bottom: 0;
}

.docs-callout__body p,
.docs-callout__body ul,
.docs-callout__body ol {
  margin: 0.5rem 0;
}

.docs-callout--tip {
  border-color: rgba(var(--gcp-accent-rgb), 0.3);
  background: var(--gcp-bg-active);
  color: var(--gcp-fg);
}

.docs-callout--success {
  border-color: rgba(16, 185, 129, 0.3);
  background: var(--gcp-success-bg);
  color: var(--gcp-success-fg);
}

.docs-callout--warning {
  border-color: rgba(245, 158, 11, 0.3);
  background: var(--gcp-warning-bg);
  color: var(--gcp-warning-fg);
}

.docs-callout--danger {
  border-color: rgba(239, 68, 68, 0.3);
  background: var(--gcp-danger-bg);
  color: var(--gcp-danger-fg);
}

/* Media embeds (YouTube / Vimeo / uploaded video). */
.docs-media {
  margin: 1rem 0;
}

.docs-media--embed {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  background: var(--gcp-bg);
}

.docs-media--embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.docs-media video {
  display: block;
  width: 100%;
  margin: 0;
  border: 1px solid var(--gcp-border);
  border-radius: var(--radius);
  background: var(--gcp-bg);
}

/* ============================================================
 * Footer
 * ============================================================ */

.docs-footer {
  border-top: 1px solid var(--gcp-border);
  background: var(--gcp-bg-elevated);
  color: var(--gcp-fg-muted);
  font-size: 0.75rem;
}

.docs-footer__inner {
  display: flex;
  max-width: 64rem;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

.docs-footer a {
  color: var(--gcp-fg-muted);
}

.docs-footer a:hover {
  color: var(--gcp-fg);
}

/* ============================================================
 * Responsive + motion
 * ============================================================ */

@media (min-width: 640px) {
  .docs-page-header {
    padding-inline: 1.5rem;
  }

  .docs-main {
    padding-inline: 1.5rem;
  }

  .docs-card__header,
  .docs-article-list a {
    padding-inline: 1.25rem;
  }

  .docs-article-card {
    padding: 1.25rem 1.5rem;
  }

  .docs-footer__inner {
    padding-inline: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .docs-menu > summary,
  .docs-article-list a,
  .docs-back,
  .docs-breadcrumbs a {
    transition: none;
  }
}