/* Platform build status tree */
:root {
  --pbs-primary: #0d4d8c;
  --pbs-accent: #1a8fd4;
  --pbs-muted: #5c6b7a;
  --pbs-border: #e2e8f0;
  --pbs-bg: #f4f8fc;
  --pbs-radius: 10px;
}

body.page-platform-status {
  font-family: Calibri, "Carlito", "Segoe UI", Arial, sans-serif;
  color: #1a1a1a;
  background: #fff;
  padding-bottom: 3rem;
}

.pbs-hero {
  background: linear-gradient(145deg, #0a2d4a 0%, var(--pbs-primary) 55%, #1565a8 100%);
  color: #fff;
  margin-top: var(--site-header-content-gap, 0.5cm);
  padding: 1.25rem 0 2rem;
}

.pbs-hero h1 {
  margin-bottom: 0.5rem;
}

.pbs-hero-lead {
  opacity: 0.92;
  max-width: 44rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.pbs-toolbar {
  padding: 1rem 0;
  border-bottom: 1px solid var(--pbs-border);
  background: var(--pbs-bg);
}

.pbs-toolbar-meta {
  max-width: 42rem;
}

.pbs-toolbar-note {
  font-size: 0.875rem;
  line-height: 1.5;
  color: #3d4f5f;
}

.pbs-toolbar .meta {
  font-size: 0.8125rem;
  color: var(--pbs-muted);
}

.pbs-refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--pbs-border);
  background: #fff;
  color: var(--pbs-primary);
  cursor: pointer;
}

.pbs-refresh-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.pbs-refresh-btn:hover {
  border-color: var(--pbs-accent);
}

/* Google Cloud infrastructure callout */
.pbs-gcp-section {
  padding: 1.25rem 0 0.5rem;
  background: linear-gradient(180deg, var(--pbs-bg) 0%, #fff 100%);
}

.pbs-gcp-card {
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  background: #fff;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 2px 12px rgba(13, 77, 140, 0.06);
}

.pbs-gcp-intro {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  align-items: flex-start;
  margin-bottom: 1.15rem;
}

.pbs-gcp-logo {
  flex-shrink: 0;
  height: 2rem;
  width: auto;
  max-width: min(100%, 220px);
}

.pbs-gcp-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pbs-accent);
  margin: 0 0 0.35rem;
}

.pbs-gcp-title {
  color: var(--pbs-primary);
  margin: 0 0 0.5rem;
}

.pbs-gcp-lead {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #3d4f5f;
  margin: 0;
  max-width: 52rem;
}

.pbs-gcp-services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

@media (min-width: 576px) {
  .pbs-gcp-services {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .pbs-gcp-services {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pbs-gcp-service {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--pbs-border);
  border-radius: 8px;
  background: #fafcfe;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--pbs-muted);
}

.pbs-gcp-service img {
  flex-shrink: 0;
}

.pbs-gcp-service strong {
  display: block;
  color: var(--pbs-primary);
  font-size: 0.84rem;
}

.pbs-gcp-service-desc {
  display: block;
  margin-top: 0.15rem;
}

.pbs-gcp-footnote {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--pbs-border);
  font-size: 0.8rem;
  color: var(--pbs-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.pbs-gcp-footnote .bi {
  color: var(--pbs-accent);
}

body.page-cloud-infrastructure {
  padding-bottom: 3rem;
}

.pbs-cloud-why {
  padding: 1.5rem 0 0.75rem;
  background: #fff;
}

.pbs-cloud-why-title {
  color: var(--pbs-primary);
  margin-bottom: 1rem;
}

.pbs-cloud-why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .pbs-cloud-why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pbs-cloud-why-card {
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  padding: 1rem 1.1rem;
  background: var(--pbs-bg);
}

.pbs-cloud-why-card .bi {
  font-size: 1.35rem;
  color: var(--pbs-accent);
  margin-bottom: 0.45rem;
  display: block;
}

.pbs-cloud-why-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pbs-primary);
  margin: 0 0 0.4rem;
}

.pbs-cloud-why-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: #3d4f5f;
  margin: 0;
}

.pbs-cloud-why-card a {
  color: var(--pbs-accent);
  font-weight: 600;
}

.pbs-cloud-why-card--wide {
  grid-column: 1 / -1;
}

.pbs-cloud-why-list {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: #3d4f5f;
}

.pbs-cloud-why-list li + li {
  margin-top: 0.45rem;
}

.pbs-hero-link {
  margin-top: 0.75rem;
}

.pbs-hero-link a {
  color: #b8e0ff;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.pbs-hero-link a:hover {
  color: #fff;
  text-decoration: underline;
}

.pbs-hero-link .bi {
  margin-right: 0.35rem;
}

.pbs-hero-code {
  background: rgba(255, 255, 255, 0.12);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.88em;
}

.pbs-api-section {
  padding: 1.75rem 0;
  background: #fff;
}

.pbs-api-section-alt {
  background: var(--pbs-bg);
}

.pbs-api-section-title {
  color: var(--pbs-primary);
  margin-bottom: 0.5rem;
}

.pbs-api-section-lead {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #3d4f5f;
  max-width: 52rem;
  margin-bottom: 1.25rem;
}

.pbs-api-section-lead code,
.pbs-api-split-card code,
.pbs-api-flow code,
.pbs-api-table code {
  font-size: 0.85em;
  background: #eef4fa;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

.pbs-api-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .pbs-api-split {
    grid-template-columns: 1fr 1fr;
  }
}

.pbs-api-split-card {
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  padding: 1rem 1.1rem;
  background: var(--pbs-bg);
}

.pbs-api-split-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pbs-primary);
  margin: 0 0 0.45rem;
}

.pbs-api-split-card h3 .bi {
  margin-right: 0.35rem;
  color: var(--pbs-accent);
}

.pbs-api-split-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: #3d4f5f;
  margin: 0;
}

.pbs-api-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--pbs-border);
  margin-left: 1.1rem;
}

.pbs-api-flow-step {
  display: flex;
  gap: 1rem;
  padding: 0 0 1.25rem 1.25rem;
  position: relative;
}

.pbs-api-flow-step:last-child {
  padding-bottom: 0;
}

.pbs-api-flow-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  margin-left: -2.35rem;
  border-radius: 50%;
  background: var(--pbs-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--pbs-border);
}

.pbs-api-flow-step strong {
  display: block;
  color: var(--pbs-primary);
  font-size: 0.92rem;
  margin-bottom: 0.25rem;
}

.pbs-api-flow-step p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: #3d4f5f;
  margin: 0;
}

.pbs-api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: #fff;
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  overflow: hidden;
}

.pbs-api-table th,
.pbs-api-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--pbs-border);
  vertical-align: top;
  text-align: left;
}

.pbs-api-table th {
  background: var(--pbs-bg);
  font-weight: 700;
  color: var(--pbs-primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pbs-api-table tbody tr:last-child td {
  border-bottom: none;
}

.pbs-api-table a {
  color: var(--pbs-accent);
  font-weight: 600;
}

.pbs-api-method {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.pbs-api-method.get {
  background: #e8f4fd;
  color: #0d4d8c;
}

.pbs-api-method.post {
  background: #e6f6ee;
  color: #1a6b3c;
}

.pbs-api-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .pbs-api-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .pbs-api-detail-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pbs-api-detail-card {
  border: 1px solid var(--pbs-border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  background: #fff;
}

.pbs-api-detail-card h3 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--pbs-primary);
  margin: 0 0 0.35rem;
}

.pbs-api-detail-card p {
  font-size: 0.82rem;
  line-height: 1.5;
  color: #3d4f5f;
  margin: 0;
}

.pbs-api-bullets {
  margin: 0;
  padding-left: 1.2rem;
  max-width: 52rem;
}

.pbs-api-bullets li {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #3d4f5f;
  margin-bottom: 0.5rem;
}

.pbs-api-section-lead a {
  color: var(--pbs-accent);
  font-weight: 600;
}

/* Architecture diagram (high level) */
.pbs-architecture-section {
  padding: 1.75rem 0 2rem;
  border-top: 1px solid var(--pbs-border);
  background: #fafcfe;
}

.pbs-architecture-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 992px) {
  .pbs-architecture-layout {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  }
}

.pbs-architecture-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pbs-accent);
  margin-bottom: 0.35rem;
}

.pbs-architecture-title {
  color: var(--pbs-primary);
  margin-bottom: 0.5rem;
}

.pbs-architecture-lead {
  color: var(--pbs-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 52rem;
  margin-bottom: 1rem;
}

.pbs-architecture-mount {
  overflow-x: auto;
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  background: #fff;
  padding: 0.75rem;
  min-height: 120px;
}

.pbs-architecture-diagram-root {
  min-width: 720px;
}

.pbs-architecture-aside {
  position: sticky;
  top: 5rem;
}

.pbs-architecture-note {
  background: #fff;
  border: 1px solid var(--pbs-border);
  border-left: 4px solid var(--pbs-primary);
  border-radius: var(--pbs-radius);
  padding: 1rem 1.1rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: #3d4f5f;
}

.pbs-architecture-note-title {
  font-weight: 700;
  color: var(--pbs-primary);
  margin: 0 0 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.pbs-architecture-note p {
  margin: 0 0 0.65rem;
}

.pbs-architecture-note p:last-child {
  margin-bottom: 0;
}

.pbs-architecture-note a {
  color: var(--pbs-accent);
  font-weight: 600;
}

.pbs-tree {
  padding: 1.5rem 0 2rem;
}

.pbs-domain {
  border: 1px solid var(--pbs-border);
  border-radius: var(--pbs-radius);
  margin-bottom: 1rem;
  overflow: hidden;
  background: #fff;
}

.pbs-domain-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--pbs-bg);
  cursor: pointer;
  user-select: none;
}

.pbs-domain-header:hover {
  background: #e8f2fa;
}

.pbs-domain-title {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pbs-primary);
  margin: 0;
}

.pbs-domain-stats {
  font-size: 0.75rem;
  color: var(--pbs-muted);
  white-space: nowrap;
}

.pbs-domain-body {
  padding: 0.25rem 0;
}

.pbs-domain.collapsed .pbs-domain-body {
  display: none;
}

.pbs-domain-header .chevron {
  transition: transform 0.2s ease;
  color: var(--pbs-muted);
}

.pbs-domain.collapsed .pbs-domain-header .chevron {
  transform: rotate(-90deg);
}

.pbs-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem 1rem;
  align-items: start;
  padding: 0.65rem 1rem 0.65rem 1.75rem;
  border-top: 1px solid var(--pbs-border);
}

.pbs-item:first-child {
  border-top: none;
}

.pbs-item-title {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
}

.pbs-item-detail {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: var(--pbs-muted);
  margin: -0.25rem 0 0;
}

.pbs-status {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  white-space: nowrap;
}

.pbs-status.not_started { background: #eef1f4; color: #4a5568; }
.pbs-status.in_progress { background: #e8f4fd; color: #0d4d8c; }
.pbs-status.in_review { background: #fff8e6; color: #8a6d00; }
.pbs-status.complete { background: #e6f6ee; color: #1a6b3c; }
.pbs-status.blocked { background: #fdecea; color: #9b1c1c; }
.pbs-status.deferred { background: #f3eef8; color: #5b3d8a; }

.pbs-loading,
.pbs-error {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--pbs-muted);
}

.pbs-error code {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: #9b1c1c;
}

.pbs-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.75rem;
  color: var(--pbs-muted);
  margin-top: 0.5rem;
}

.pbs-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pbs-legend .dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}