/**
 * Hub landing layout — typography-explorer–inspired columns, glass panels, section kickers.
 * Uses tokens from hub-palettes.css (--bg-elevated, --border, --text, --accent, etc.).
 */

#hub-get-started,
#hub-what-you-get,
#hub-flow-gallery,
#hub-developers,
#purpose-overview,
#purpose-architecture,
#purpose-pipeline,
#purpose-ai,
#purpose-clients,
#purpose-privacy,
#browser-overview,
#browser-extension-ui,
#browser-install,
#browser-capture,
#figma-overview,
#figma-oauth,
#figma-plugin,
#figma-auth-details,
#browser-zones,
#figma-variables,
#docs-overview,
#account-overview,
#account-keys,
#profile-account-card,
#account-spaces,
#account-activity,
#api-overview,
#api-routes,
#api-examples {
  scroll-margin-top: 5rem;
}

.landing-header-lede {
  margin: 0.35rem 0 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.landing-header-lede a {
  color: var(--link);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1.5px;
  text-decoration-color: color-mix(in srgb, var(--link) 42%, transparent);
}

.landing-header-lede a:hover {
  color: var(--link-hover);
  text-decoration-color: color-mix(in srgb, var(--link-hover) 55%, transparent);
}

.landing-extension-shot {
  margin: 1rem 0 0;
  max-width: 20rem;
}

.landing-extension-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--border) 80%, var(--accent));
  box-shadow:
    0 2px 4px color-mix(in srgb, var(--text) 4%, transparent),
    0 14px 36px color-mix(in srgb, var(--accent) 14%, transparent);
  background: var(--bg-card);
}

.landing-extension-shot__caption {
  display: block;
  margin-top: 0.55rem;
  max-width: 36ch;
  line-height: 1.45;
}

.hub-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 900px) {
  .hub-columns {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  }
}

.hub-main-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hub-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

@media (min-width: 900px) {
  .hub-sidebar {
    position: sticky;
    top: 4.25rem;
    max-height: calc(100vh - 4.75rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

.hub-glass-panel {
  --hub-glass-bg: color-mix(in srgb, var(--bg-elevated) 76%, transparent);
  --hub-glass-border: color-mix(in srgb, var(--border) 88%, transparent);
  --hub-glass-rim: color-mix(in srgb, var(--text) 8%, transparent);
  background: var(--hub-glass-bg);
  backdrop-filter: blur(20px) saturate(1.18);
  -webkit-backdrop-filter: blur(20px) saturate(1.18);
  border: 1px solid var(--hub-glass-border);
  border-radius: var(--radius-lg);
  box-shadow:
    inset 0 1px 0 var(--hub-glass-rim),
    0 4px 6px color-mix(in srgb, var(--text) 3%, transparent),
    0 16px 40px color-mix(in srgb, var(--text) 5%, transparent);
  padding: 1.05rem 1.2rem 1.3rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hub-glass-panel {
    transition: border-color 0.22s ease, box-shadow 0.22s ease;
  }
}

.hub-glass-panel--accent-left {
  border-left: 4px solid var(--accent);
}

@media (prefers-reduced-transparency: reduce) {
  .hub-glass-panel {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-elevated);
    box-shadow: 0 2px 12px color-mix(in srgb, var(--text) 6%, transparent);
  }
}

.hub-section-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.hub-sidebar-nav__list,
.hub-sidebar-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hub-sidebar-nav__list li,
.hub-sidebar-toc__list li {
  margin: 0.15rem 0;
}

.hub-sidebar-nav__link {
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  color: var(--nav-link);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.hub-sidebar-nav__link:hover {
  background: var(--bg-card);
  color: var(--link-hover);
}

.hub-sidebar-nav__link.active {
  color: var(--nav-link-active);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-card));
}

.hub-sidebar-toc__link {
  display: block;
  padding: 0.4rem 0.65rem;
  border-radius: 10px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  border: 1px solid transparent;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.hub-sidebar-toc__link:hover {
  color: var(--link);
  background: color-mix(in srgb, var(--bg-card) 85%, var(--accent));
  border-color: color-mix(in srgb, var(--accent) 15%, transparent);
}

.hub-sidebar-toc__link:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .hub-sidebar-toc__link {
    transition: none;
  }
}

/* Flatten nested onboarding card when inside glass wrapper (single chrome ring). */
.hub-glass-panel > .onboarding-card {
  margin-bottom: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.hub-glass-panel--accent-left > .onboarding-card {
  border-left: none;
}

/* Hub main: “what you get” + status use glass (override solid card from inline landing styles). */
#page-hub .hub-main-col .what-you-get.hub-glass-panel {
  margin-bottom: 0;
  background: var(--hub-glass-bg, color-mix(in srgb, var(--bg-elevated) 72%, transparent));
  backdrop-filter: blur(18px) saturate(1.12);
  -webkit-backdrop-filter: blur(18px) saturate(1.12);
  border: 1px solid var(--hub-glass-border, color-mix(in srgb, var(--border) 92%, transparent));
  box-shadow:
    inset 0 1px 0 var(--hub-glass-rim, color-mix(in srgb, var(--text) 7%, transparent)),
    0 8px 32px color-mix(in srgb, var(--text) 4%, transparent);
}

@media (prefers-reduced-transparency: reduce) {
  #page-hub .hub-main-col .what-you-get.hub-glass-panel {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-elevated);
    box-shadow: 0 2px 12px color-mix(in srgb, var(--text) 6%, transparent);
  }
}

#page-purpose .hub-main-col .diagram-wrap {
  margin-bottom: 0;
}

#page-hub .hub-main-col .hub-flow-shots.hub-glass-panel {
  margin: 0;
  padding: 1rem 1.15rem 1.25rem;
}

.hub-flow-shot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  align-items: start;
}

.hub-flow-shots .hub-flow-shot-grid img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

#page-hub .hub-main-col details.dev-parts-details.hub-glass-panel {
  margin-bottom: 0;
  padding: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-elevated) 72%, transparent);
  backdrop-filter: blur(18px) saturate(1.12);
  -webkit-backdrop-filter: blur(18px) saturate(1.12);
  border: 1px solid color-mix(in srgb, var(--border) 92%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--text) 7%, transparent),
    0 8px 32px color-mix(in srgb, var(--text) 4%, transparent);
}

@media (prefers-reduced-transparency: reduce) {
  #page-hub .hub-main-col details.dev-parts-details.hub-glass-panel {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-elevated);
    box-shadow: 0 2px 12px color-mix(in srgb, var(--text) 6%, transparent);
  }
}

#page-hub .hub-main-col details.dev-parts-details.hub-glass-panel > summary {
  padding: 0.85rem 1.1rem;
}

#page-hub .hub-main-col details.dev-parts-details.hub-glass-panel .page-home-section {
  padding-bottom: 1rem;
}

/* Slim glass bar under nav */
.hub-dashboard-ribbon {
  position: relative;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
  background: color-mix(in srgb, var(--bg-elevated) 55%, transparent);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  margin-bottom: 0;
}

.hub-dashboard-ribbon::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--accent) 45%, transparent) 22%,
    color-mix(in srgb, var(--accent) 22%, transparent) 78%,
    transparent 100%
  );
  opacity: 0.85;
  pointer-events: none;
}

.hub-dashboard-ribbon .container {
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

@media (prefers-reduced-transparency: reduce) {
  .hub-dashboard-ribbon {
    background: var(--bg-elevated);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

.hub-dashboard-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hub-dashboard-bar__gwen {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.2rem 0.65rem 0.2rem 0.2rem;
  margin: -0.2rem 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 12%, transparent);
}

.hub-dashboard-bar__chat-btn.btn {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.42rem 1.05rem;
  line-height: 1.25;
  border-radius: 999px;
}

.hub-dashboard-bar__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.5rem;
  min-width: 0;
  flex: 1 1 auto;
}

.hub-dashboard-bar__oauth {
  flex: 0 0 auto;
}

.hub-dashboard-bar__rule {
  width: 1px;
  height: 1.5rem;
  background: linear-gradient(
    180deg,
    transparent,
    color-mix(in srgb, var(--border) 95%, var(--accent)) 45%,
    transparent
  );
  flex-shrink: 0;
  opacity: 0.9;
}

.hub-dashboard-bar__counts {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0.2rem 0.5rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg-card) 65%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.hub-dashboard-bar__counts .status-metric-num {
  color: var(--text);
  font-weight: 700;
}

.hub-dashboard-bar__counts-label {
  font-weight: 600;
  font-size: 0.68rem;
  opacity: 0.85;
  margin-left: 0.05rem;
}

.hub-dashboard-bar__counts-sep {
  margin: 0 0.2rem;
  opacity: 0.45;
}

.hub-dashboard-bar__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hub-dashboard-mini-btn {
  padding: 0.22rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 92%, var(--accent));
  background: color-mix(in srgb, var(--bg-card) 40%, transparent);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  line-height: 1.2;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.hub-dashboard-mini-btn:hover {
  color: var(--accent-dim);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-card));
}

.instance-picker--bar {
  max-width: min(11rem, 38vw);
  min-width: 6.5rem;
  font-size: 0.7rem;
  padding: 0.28rem 0.45rem;
  border-radius: 8px;
  border-color: color-mix(in srgb, var(--border) 85%, var(--accent));
  background: color-mix(in srgb, var(--bg) 55%, var(--bg-card));
}

.status-pill--compact {
  padding: 0.22rem 0.5rem;
  font-size: 0.68rem;
  gap: 0.3rem;
  border-radius: 999px;
  font-weight: 600;
}

@media (max-width: 640px) {
  .hub-dashboard-bar__rule {
    display: none;
  }

  .hub-dashboard-bar__oauth {
    width: 100%;
  }

  .hub-dashboard-bar__gwen {
    width: 100%;
    justify-content: flex-start;
  }
}