/* Golden-ratio header layout variants (A–E) + classic production shell */

:root {
  --ao-phi: 1.618;
  --ao-phi-major: 61.8%;
  --ao-phi-minor: 38.2%;
  --ao-phi-complement: 19.1%;
  --ao-phi-unit: clamp(0.55rem, 1.2vw, 0.85rem);
  --ao-header-gap: calc(var(--ao-phi-unit) * var(--ao-phi));
  --ao-header-stars: url("/static/alyria/header-stars.svg");
}

/* --- Shared layout shell --- */

.ao-header-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ao-header-block {
  width: 100%;
}

.ao-header-layout .ao-gossip-highlights-root {
  background: #fffdf8;
}

.ao-header-layout .ao-gossip-highlights {
  border-top: 2px solid var(--ao-gold);
}

/* --- Layout A: Triptych Crown --- */

.ao-header-layout--a .ao-header-layout__triptych {
  display: grid;
  grid-template-columns: var(--ao-phi-complement) var(--ao-phi-major) var(--ao-phi-complement);
  align-items: center;
  gap: var(--ao-header-gap);
  background: var(--ao-header-surface, var(--ao-cream));
  border-bottom: 1px solid var(--ao-header-border, var(--ao-border-light));
  padding: calc(var(--ao-header-gap) * 0.5) var(--ao-header-gap);
  position: relative;
  overflow: hidden;
}

.ao-header-layout--a .ao-header-layout__triptych-center .ao-logo-row {
  border-bottom: none;
  background: transparent;
}

.ao-header-layout--a .ao-header-layout__triptych-wing {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 0;
}

.ao-header-layout--a .ao-header-layout__triptych-wing--left {
  justify-content: flex-end;
}

.ao-header-layout--a .ao-header-layout__triptych-wing--right {
  justify-content: flex-start;
}

.ao-header-layout--a .ao-moon-phases--single {
  padding: 0;
  background: transparent;
  border: none;
}

.ao-header-layout--a .ao-moon-phases--single .ao-moon-phase-link {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: calc(var(--ao-header-gap) * 0.35);
}

.ao-header-layout--a .ao-live-stats {
  display: grid;
  grid-template-columns: var(--ao-phi-major) var(--ao-phi-minor);
  gap: var(--ao-header-gap);
  align-items: center;
  max-width: none;
}

.ao-header-layout--a .ao-live-stat--gate {
  grid-column: 2;
  justify-self: end;
}

.ao-header-layout--a .ao-live-stat--players,
.ao-header-layout--a .ao-live-stat--time {
  grid-column: 1;
}

.ao-header-layout--a .ao-header-layout__crier-band {
  display: grid;
  grid-template-columns: var(--ao-phi-major) var(--ao-phi-minor);
  gap: 0;
  align-items: stretch;
  border-top: 2px solid var(--ao-gold);
}

.ao-header-layout--a .ao-header-block--gossip,
.ao-header-layout--a .ao-header-block--ticker {
  min-width: 0;
}

.ao-header-layout--a .ao-header-block--ticker .ao-ticker {
  height: 100%;
  border-top: none;
}

/* --- Layout B: Vertical Phi Stack --- */

.ao-header-layout--b .ao-header-layout__phi-stack {
  display: grid;
  grid-template-rows: 38.2fr 23.6fr 38.2fr;
  min-height: clamp(14rem, 28vw, 20rem);
}

.ao-header-layout--b .ao-header-layout__phi-hero,
.ao-header-layout--b .ao-header-layout__phi-nav,
.ao-header-layout--b .ao-header-layout__phi-intel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.ao-header-layout--b .ao-header-layout__phi-hero .ao-logo-row {
  flex: 1;
  border-bottom: none;
}

.ao-header-layout--b .ao-header-layout__phi-nav .ao-icon-nav {
  padding: calc(var(--ao-header-gap) * 0.75) var(--ao-header-gap);
  border-bottom: none;
}

.ao-header-layout--b .ao-header-layout__phi-nav .ao-icon-nav-list {
  gap: calc(var(--ao-header-gap) * var(--ao-phi)) calc(var(--ao-header-gap) * 0.5);
}

.ao-header-layout--b .ao-header-layout__phi-intel {
  gap: calc(var(--ao-header-gap) * 0.5);
}

.ao-header-layout--b .ao-header-layout__phi-intel .ao-live-bar {
  border-bottom: none;
}

.ao-header-layout--b .ao-header-layout__phi-intel .ao-moon-phases {
  border-bottom: 1px solid var(--ao-header-border, var(--ao-border-light));
}

/* --- Layout C: Horizon Deck --- */

.ao-header-layout--c .ao-header-layout__horizon-hero {
  display: grid;
  grid-template-columns: var(--ao-phi-minor) var(--ao-phi-major);
  background: var(--ao-header-surface, var(--ao-cream));
  border-bottom: 1px solid var(--ao-header-border, var(--ao-border-light));
  position: relative;
  overflow: hidden;
}

.ao-header-layout--c .ao-header-layout__horizon-hero .ao-header-block--logo {
  grid-column: 2;
}

.ao-header-layout--c .ao-header-layout__horizon-hero .ao-logo-row {
  justify-content: flex-start;
  border-bottom: none;
  background: transparent;
}

.ao-header-layout--c .ao-header-layout__horizon-hero .ao-logo-stage {
  justify-content: flex-start;
}

.ao-header-layout--c .ao-moon-phases-list {
  gap: calc(var(--ao-header-gap) * var(--ao-phi));
}

.ao-header-layout--c .ao-header-layout__crier-band--c {
  display: grid;
  grid-template-columns: var(--ao-phi-minor) var(--ao-phi-major);
  align-items: stretch;
  border-top: 2px solid var(--ao-gold);
}

.ao-header-layout--c .ao-header-block--ticker .ao-ticker {
  border-top: none;
  height: 100%;
}

/* --- Layout D: Observatory Column --- */

.ao-header-layout--d .ao-header-layout__observatory {
  display: grid;
  grid-template-columns: var(--ao-phi-minor) var(--ao-phi-major);
  gap: var(--ao-header-gap);
  align-items: start;
  padding: var(--ao-header-gap);
  background: var(--ao-header-surface-alt, var(--ao-cream));
  border-bottom: 1px solid var(--ao-header-border, var(--ao-border-light));
}

.ao-header-layout--d .ao-header-layout__observatory-left,
.ao-header-layout--d .ao-header-layout__observatory-right {
  display: flex;
  flex-direction: column;
  gap: calc(var(--ao-header-gap) * 0.75);
  min-width: 0;
}

.ao-header-layout--d .ao-header-layout__observatory-left .ao-live-bar,
.ao-header-layout--d .ao-header-layout__observatory-left .ao-moon-phases {
  border: none;
  background: transparent;
  padding-left: 0;
  padding-right: 0;
}

.ao-header-layout--d .ao-header-layout__observatory-left .ao-live-stat--gate {
  display: none;
}

.ao-header-layout--d .ao-header-block--live-gate .ao-live-bar {
  border: none;
  background: transparent;
  padding: 0;
}

.ao-header-layout--d .ao-header-block--live-gate .ao-live-stat:not(.ao-live-stat--gate) {
  display: none;
}

.ao-header-layout--d .ao-header-layout__observatory-right .ao-logo-row,
.ao-header-layout--d .ao-header-layout__observatory-right .ao-icon-nav {
  border: none;
  background: transparent;
  padding-left: 0;
  padding-right: 0;
}

.ao-header-layout--d .ao-header-layout__observatory-right .ao-icon-nav-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 360px;
}

.ao-header-layout--d .ao-moon-phases-list {
  flex-direction: column;
  align-items: flex-start;
  gap: calc(var(--ao-header-gap) * 0.75);
}

.ao-header-layout--d .ao-moon-phases-sep {
  display: none;
}

.ao-header-layout--d .ao-moon-phase-icon {
  width: 52px;
  height: 52px;
}

@media (max-width: 991.98px) {
  .ao-header-layout--d .ao-header-layout__observatory {
    grid-template-columns: 1fr;
  }

  .ao-header-layout--d .ao-header-layout__observatory-right .ao-icon-nav-list {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    max-width: 630px;
  }
}

.ao-header-layout--d .ao-header-layout__crier-band {
  display: grid;
  grid-template-columns: var(--ao-phi-major) var(--ao-phi-minor);
  border-top: 2px solid var(--ao-gold);
}

@media (max-width: 991.98px) {
  .ao-header-layout--d .ao-header-layout__crier-band {
    grid-template-columns: 1fr;
  }
}

/* --- Layout E: Towne Crier Spiral --- */

.ao-header-layout--e .ao-header-block--logo .ao-logo-row {
  position: relative;
}

.ao-header-layout--e .ao-header-block--logo .ao-logo-link {
  max-width: min(361px, 92vw);
}

.ao-header-layout--e .ao-header-layout__crier-strip {
  display: grid;
  grid-template-columns: var(--ao-phi-minor) 1fr;
  align-items: stretch;
  border-top: 2px solid var(--ao-gold);
  border-bottom: 1px solid var(--ao-border-light);
  background: linear-gradient(180deg, var(--ao-blue-mid) 0%, var(--ao-blue) 100%);
}

.ao-header-layout--e .ao-header-block--ticker .ao-ticker {
  border-top: none;
  background: transparent;
  height: 100%;
}

.ao-header-layout--e .ao-header-layout__crier-chips .ao-gossip-highlights-root {
  background: transparent;
}

.ao-header-layout--e .ao-header-layout__crier-chips .ao-gossip-highlights {
  background: rgba(255, 253, 248, 0.94);
  border: none;
  min-height: 100%;
}

.ao-header-layout--e .ao-header-layout__e-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: calc(var(--ao-header-gap) * var(--ao-phi));
  padding: 0 var(--ao-header-gap);
}

.ao-header-layout--e .ao-header-layout__e-footer .ao-live-bar,
.ao-header-layout--e .ao-header-layout__e-footer .ao-moon-phases {
  border: none;
  background: transparent;
}

.ao-header-layout--e .ao-moon-phases-list {
  gap: calc(var(--ao-header-gap) * var(--ao-phi));
}

/* --- Clarity layouts: polished, two-band, minimal --- */

.ao-header-layout--polished .ao-header-block--logo .ao-logo-row {
  border-bottom: 2px solid var(--ao-gold-dark);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.65);
}

.ao-header-layout--polished .ao-header-block--nav .ao-icon-nav {
  border-bottom: 2px solid var(--ao-gold);
  padding-bottom: 16px;
}

.ao-header-layout--polished .ao-header-block--live .ao-live-bar {
  border-bottom: 1px solid var(--ao-header-live-border, var(--ao-gold-dark));
}

.ao-header-layout--polished .ao-header-block--moons .ao-moon-phases {
  border-top: 1px solid rgba(201, 168, 76, 0.35);
  border-bottom: 2px solid var(--ao-gold-dark);
  padding-top: 10px;
  padding-bottom: 12px;
}

.ao-header-layout--two-band .ao-header-layout__identity-band {
  background: var(--ao-header-surface, var(--ao-cream));
  border-bottom: 1px solid var(--ao-header-border, var(--ao-border-light));
}

.ao-header-layout--two-band .ao-header-layout__identity-band .ao-logo-row {
  border-bottom: none;
}

.ao-header-layout--two-band .ao-header-layout__identity-band .ao-icon-nav {
  border-bottom: none;
  padding-top: 4px;
}

.ao-header-layout--two-band .ao-header-layout__world-band {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 0.75rem 1.75rem;
  padding: 0 14px;
  background: linear-gradient(180deg, #faf6ee 0%, #f3ead8 100%);
  border-bottom: 3px solid var(--ao-gold);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.ao-header-layout--two-band .ao-header-layout__world-band::before {
  content: "World status";
  flex: 0 0 100%;
  text-align: center;
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ao-gold-dark);
  margin-bottom: -0.15rem;
}

.ao-header-layout--two-band .ao-header-layout__world-band .ao-live-bar,
.ao-header-layout--two-band .ao-header-layout__world-band .ao-moon-phases {
  border: none;
  background: transparent;
}

.ao-header-layout--two-band .ao-live-stats,
.ao-header-layout--two-band .ao-moon-phases-list {
  justify-content: center;
}

.ao-header-layout--minimal .ao-logo-row {
  padding-bottom: 4px;
}

.ao-header-layout--minimal .ao-icon-nav {
  padding: 8px 14px 10px;
  border-bottom: 2px solid var(--ao-gold);
}

.ao-header-layout--minimal .ao-header-layout__status-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 0.5rem 1.25rem;
  padding: 0 12px;
  background: #ebe4d4;
  border-bottom: 1px solid #c9b888;
  color: var(--ao-text-secondary);
}

.ao-header-layout--minimal .ao-header-layout__status-strip .ao-live-bar,
.ao-header-layout--minimal .ao-header-layout__status-strip .ao-moon-phases {
  border: none;
  background: transparent;
}

.ao-header-layout--minimal .ao-live-stats {
  gap: 0.65rem 1rem;
}

.ao-header-layout--minimal .ao-live-stat-value {
  font-size: var(--ao-fs-ui-sm);
}

.ao-header-layout--minimal .ao-live-stat-label,
.ao-header-layout--minimal .ao-moon-phase-name {
  font-size: 0.68rem;
}

.ao-header-layout--minimal .ao-moon-phase-icon {
  width: 36px;
  height: 36px;
}

.ao-header-layout--minimal .ao-moon-phases-list {
  gap: 0.75rem 1rem;
}

.ao-header-layout--minimal .ao-moon-phases-sep {
  min-height: 1.75rem;
}

.ao-site-header.ao-time-phase-night.ao-header-layout--two-band .ao-header-layout__world-band {
  background: linear-gradient(180deg, #182e50 0%, #142848 100%);
  border-bottom-color: #6a8098;
  color: #dce8f8;
}

.ao-site-header.ao-time-phase-night.ao-header-layout--two-band .ao-header-layout__world-band::before {
  color: #c8daf0;
}

.ao-site-header.ao-time-phase-night.ao-header-layout--minimal .ao-header-layout__status-strip {
  background: #142848;
  border-bottom-color: #3a5080;
  color: #b8cce4;
}

/* --- Layout-scoped night: star field on hero / identity zones --- */

/* Stars in sky JPEG — skip duplicate identity star field. */

.ao-header-ambient.ao-time-phase-night .ao-header-layout--classic .ao-header-identity::before,
.ao-site-header.ao-header-layout--classic.ao-time-phase-night .ao-header-identity::before {
  content: none;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--classic .ao-header-identity > *,
.ao-site-header.ao-header-layout--classic.ao-time-phase-night .ao-header-identity > * {
  position: relative;
  z-index: 1;
}

.ao-header-layout--a .ao-header-layout__triptych::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--a .ao-header-layout__triptych::before,
.ao-site-header.ao-time-phase-night.ao-header-layout--a .ao-header-layout__triptych::before {
  opacity: 0.78;
  background-image: var(--ao-header-stars);
  background-size: 420px 210px;
  background-repeat: repeat;
  background-position: center top;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 38.2%, transparent 72%);
  mask-image: linear-gradient(180deg, #000 0%, #000 38.2%, transparent 72%);
  animation: ao-stars-twinkle 7s ease-in-out infinite;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--a .ao-header-layout__triptych-center,
.ao-site-header.ao-time-phase-night.ao-header-layout--a .ao-header-layout__triptych-center {
  position: relative;
  z-index: 1;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--b .ao-header-layout__phi-hero,
.ao-site-header.ao-time-phase-night.ao-header-layout--b .ao-header-layout__phi-hero {
  position: relative;
  overflow: hidden;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--b .ao-header-layout__phi-hero::before,
.ao-site-header.ao-time-phase-night.ao-header-layout--b .ao-header-layout__phi-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: var(--ao-header-stars);
  background-size: 420px 210px;
  background-repeat: repeat;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 85%);
  mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 85%);
  opacity: 0.78;
  animation: ao-stars-twinkle 7s ease-in-out infinite;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--b .ao-header-layout__phi-hero .ao-logo-row,
.ao-site-header.ao-time-phase-night.ao-header-layout--b .ao-header-layout__phi-hero .ao-logo-row {
  position: relative;
  z-index: 1;
  background: transparent;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--c .ao-header-layout__horizon-hero::before,
.ao-site-header.ao-time-phase-night.ao-header-layout--c .ao-header-layout__horizon-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: var(--ao-header-stars);
  background-size: 420px 210px;
  background-repeat: repeat;
  background-position: center top;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 28%, transparent 55%);
  mask-image: linear-gradient(180deg, #000 0%, #000 28%, transparent 55%);
  opacity: 0.78;
  animation: ao-stars-twinkle 7s ease-in-out infinite;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--c .ao-header-layout__horizon-hero .ao-logo-row,
.ao-site-header.ao-time-phase-night.ao-header-layout--c .ao-header-layout__horizon-hero .ao-logo-row {
  position: relative;
  z-index: 1;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--d .ao-header-layout__observatory-right .ao-logo-row,
.ao-site-header.ao-time-phase-night.ao-header-layout--d .ao-header-layout__observatory-right .ao-logo-row {
  position: relative;
  overflow: hidden;
}

.ao-header-ambient.ao-time-phase-night .ao-header-layout--e .ao-header-block--logo .ao-logo-row,
.ao-site-header.ao-time-phase-night.ao-header-layout--e .ao-header-block--logo .ao-logo-row {
  position: relative;
  overflow: hidden;
}

/* --- Design preview page --- */

body.ao-body.ao-design-lab {
  background: #e8edf4;
  color: #1a3058;
}

body.ao-body.ao-design-lab .ao-layout {
  background: transparent;
  border-color: #c8d0dc;
}

body.ao-design-lab .ao-body-grid {
  display: block;
}

body.ao-design-lab .ao-main {
  max-width: none;
  width: 100%;
  padding-left: 1rem;
  padding-right: 1rem;
}

body.ao-design-lab .ao-footer {
  margin-top: 2rem;
}

.ao-header-design-page {
  padding: 0 0 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ao-header-design-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: #fffdf8;
  border: 1px solid var(--ao-gold-dark);
  border-radius: 4px;
}

.ao-header-design-mode {
  display: inline-flex;
  gap: 0.35rem;
}

.ao-header-design-mode-btn,
.ao-header-design-nav-btn {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-sm);
  font-weight: 700;
  color: var(--ao-blue-deep);
  background: #fff;
  border: 1px solid var(--ao-gold-dark);
  border-radius: 3px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
}

.ao-header-design-mode-btn.is-active {
  background: var(--ao-gold-light);
  border-color: var(--ao-gold);
}

.ao-header-design-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.ao-header-design-picker-label {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-sm);
  font-weight: 700;
  margin: 0;
}

.ao-header-design-select {
  min-width: 14rem;
  font-size: var(--ao-fs-ui-sm);
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--ao-gold-dark);
  border-radius: 3px;
}

.ao-header-design-group {
  margin-bottom: 2.5rem;
}

.ao-header-design-group__title {
  font-family: var(--ao-font-serif);
  font-size: 1.5rem;
  color: var(--ao-blue-deep);
  margin: 0 0 0.35rem;
}

.ao-header-design-group__lede {
  color: var(--ao-text-secondary);
  margin-bottom: 1.25rem;
  max-width: 52rem;
}

.ao-header-design-phi-archive {
  margin-top: 2rem;
  border: 1px dashed #aaa;
  border-radius: 4px;
  padding: 0.75rem 1rem 1rem;
  background: #f8f8f8;
}

.ao-header-design-phi-archive__summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ao-blue-deep);
  margin-bottom: 0.75rem;
}

.ao-header-design-badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.45rem;
  font-family: var(--ao-font-sans);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  vertical-align: middle;
  color: var(--ao-blue-deep);
  background: var(--ao-gold-light);
  border: 1px solid var(--ao-gold);
  border-radius: 3px;
}

.ao-header-design-badge--muted {
  color: var(--ao-text-secondary);
  background: #f0f0ea;
  border-color: #ccc;
}
  flex: 0 0 100%;
  font-family: var(--ao-font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ao-text-secondary);
  margin-top: 0.35rem;
}

.ao-header-design-toc-heading:first-child {
  margin-top: 0;
}

.ao-gossip-highlights-root--preview {
  position: relative;
  z-index: 1;
}

.ao-header-design-intro {
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background: #f4f4f4;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.ao-header-design-toc {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--ao-header-gap) * 0.5);
  padding: calc(var(--ao-header-gap) * 0.75) var(--ao-header-gap);
  margin-bottom: calc(var(--ao-header-gap) * var(--ao-phi));
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 2px solid var(--ao-gold);
  box-shadow: 0 2px 8px rgba(15, 45, 92, 0.08);
}

.ao-header-design-toc a {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-sm);
  font-weight: 700;
  color: var(--ao-blue-deep);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--ao-gold-dark);
  border-radius: 3px;
  background: #fffdf8;
}

.ao-header-design-toc a:hover,
.ao-header-design-toc a:focus-visible {
  background: var(--ao-gold-light);
  color: var(--ao-blue-deep);
}

.ao-header-design-variant {
  margin-bottom: calc(var(--ao-header-gap) * var(--ao-phi) * 2);
  scroll-margin-top: 4rem;
}

.ao-header-design-variant__label {
  font-family: var(--ao-font-serif);
  font-size: 1.35rem;
  color: var(--ao-blue-deep);
  margin: 0 0 calc(var(--ao-header-gap) * 0.75);
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--ao-gold);
}

.ao-header-design-frame {
  border: 2px solid var(--ao-blue-deep);
  border-radius: 4px;
  padding: calc(var(--ao-header-gap) * var(--ao-phi));
  background: #e8ecf2;
  overflow: hidden;
}

.ao-header-design-frame .ao-header-ambient {
  box-shadow: 0 4px 16px rgba(15, 45, 92, 0.15);
}

/* --- Moon phase design lab --- */

.ao-moon-phase-design-page .ao-moon-design-phase {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #ccc;
}

.ao-moon-phase-design-page .ao-moon-design-phase:last-child {
  border-bottom: none;
}

.ao-moon-design-phase__api {
  margin-top: -0.35rem;
  margin-bottom: 1rem;
}

.ao-moon-design-subhead {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-sm);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ao-text-secondary);
  margin: 0 0 0.65rem;
}

.ao-moon-sample-compare {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ao-moon-sample-compare--header {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 42rem;
}

.ao-moon-sample-compare__heading {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-xs);
  font-weight: 700;
  color: var(--ao-text-secondary);
  margin: 0 0 0.35rem;
}

.ao-moon-sample__stage {
  border: 1px solid #bbb;
  border-radius: 4px;
  overflow: hidden;
}

.ao-moon-sample__stage--day {
  background: linear-gradient(180deg, #f8f4ec 0%, #ece6da 100%);
}

.ao-moon-sample__stage--night {
  background: linear-gradient(180deg, #162e52 0%, #142848 100%);
}

.ao-moon-sample__chrome {
  display: block;
}

.ao-moon-sample__slot {
  display: flex;
  justify-content: center;
  padding: 0.65rem 0.75rem;
}

.ao-moon-sample__stage--night .ao-moon-phases {
  background: linear-gradient(180deg, #162e52 0%, #142848 100%);
  border-bottom-color: #3a5080;
  color: #dce8f8;
}

.ao-moon-sample__label {
  margin: 0.35rem 0 0;
  font-size: var(--ao-fs-ui-xs);
  color: var(--ao-text-secondary);
}

.ao-moon-sample__code {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.72rem;
}

@media (max-width: 991.98px) {
  .ao-moon-sample-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .ao-moon-sample-compare,
  .ao-moon-sample-compare--header {
    grid-template-columns: 1fr;
  }
}

/* --- Alyrian time period design lab --- */

.ao-time-period-design-page .ao-time-period-matrix {
  max-width: 36rem;
  margin: 1rem 0 0;
  font-size: var(--ao-fs-ui-sm);
}

.ao-time-period-section {
  margin-bottom: 2.5rem;
}

.ao-time-period-section__lede {
  margin-bottom: 1rem;
}

.ao-time-period-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.ao-time-period-grid--boundaries {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ao-time-period-grid--combos {
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.ao-time-period-combo__label {
  font-family: var(--ao-font-sans);
  font-size: var(--ao-fs-ui-sm);
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--ao-blue-deep);
}

.ao-time-period-sample__stage {
  border: 1px solid #bbb;
  border-radius: 4px;
  overflow: hidden;
}

.ao-time-period-sample__stage--day {
  background: linear-gradient(180deg, #fffef9 0%, #faf6ec 100%);
}

.ao-time-period-sample__stage--dusk {
  background: linear-gradient(180deg, #fffef9 0%, #faf6ec 100%);
}

.ao-time-period-sample__stage--night {
  background: linear-gradient(180deg, #162e52 0%, #142848 100%);
}

.ao-time-period-sample__slot {
  padding: 0.35rem 0.5rem;
}

.ao-time-period-sample__stage--night .ao-live-stat-value,
.ao-time-period-sample__stage--night .ao-live-phase-hint {
  color: #dce8f8;
}

.ao-time-period-sample__meta {
  display: grid;
  gap: 0.35rem;
  margin: 0.5rem 0 0;
  font-size: var(--ao-fs-ui-xs);
}

.ao-time-period-sample__meta dt {
  font-weight: 700;
  color: var(--ao-text-secondary);
  margin: 0;
}

.ao-time-period-sample__meta dd {
  margin: 0 0 0.15rem;
}

@media (max-width: 991.98px) {
  .ao-time-period-grid--boundaries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .ao-time-period-grid,
  .ao-time-period-grid--boundaries {
    grid-template-columns: 1fr;
  }
}

/* --- Dawn / dusk twilight variant lab (full-width frames, like time phases) --- */

.ao-twilight-design-page .ao-header-twilight-variant {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #c8d0dc;
}

.ao-twilight-design-page .ao-header-twilight-variant:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.ao-dawn-background-design-page .ao-header-dawn-bg-variant {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #c8d0dc;
}

.ao-dawn-background-design-page .ao-header-dawn-bg-variant:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

@media (max-width: 767.98px) {
  .ao-header-layout--a .ao-header-layout__triptych {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .ao-header-layout--a .ao-header-layout__triptych-wing--left,
  .ao-header-layout--a .ao-header-layout__triptych-wing--right {
    justify-content: center;
  }

  .ao-header-layout--a .ao-live-stats,
  .ao-header-layout--a .ao-header-layout__crier-band,
  .ao-header-layout--c .ao-header-layout__horizon-hero,
  .ao-header-layout--c .ao-header-layout__crier-band--c,
  .ao-header-layout--e .ao-header-layout__crier-strip {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ao-header-ambient.ao-time-phase-night .ao-header-layout .ao-logo-row::before,
  .ao-header-ambient.ao-time-phase-night [class*="__triptych"]::before,
  .ao-header-ambient.ao-time-phase-night [class*="__phi-hero"]::before,
  .ao-header-ambient.ao-time-phase-night [class*="__horizon-hero"]::before {
    animation: none;
    opacity: 0.62;
  }
}