:root {
  --platform-header-h: 64px;
  --platform-header-side-pad: 40px;
  --platform-header-max: 100%;
  --results-mobile-topbar-h: 64px;
}

.topbar.platform-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 1200 !important;
  min-height: var(--platform-header-h) !important;
  height: var(--platform-header-h) !important;
  background: #030b1f !important;
  border-bottom: 1px solid rgba(129, 140, 248, 0.2) !important;
  backdrop-filter: blur(14px) !important;
  box-shadow: none !important;
}

.results-page .topbar.platform-header,
.results-page .topbar.platform-header.is-scroll-hidden {
  transform: none !important;
  opacity: 1 !important;
  transition: none !important;
}

.topbar.platform-header .platform-header-inner {
  width: min(var(--platform-header-max), calc(100% - 2 * var(--platform-header-side-pad))) !important;
  max-width: none !important;
  margin: 0 auto !important;
  min-height: var(--platform-header-h) !important;
  height: var(--platform-header-h) !important;
  padding: 0 !important;
  display: grid !important;
  grid-template-columns: 1fr auto 1fr !important;
  align-items: center !important;
  gap: 0 !important;
}

.topbar.platform-header .brand-link {
  justify-self: start !important;
  display: inline-flex !important;
  align-items: center !important;
  text-decoration: none !important;
  text-transform: uppercase !important;
  letter-spacing: 0.055em !important;
  font-family: var(--font-display, "Space Grotesk", "Inter", sans-serif) !important;
  font-size: 1.2rem !important;
  line-height: 1 !important;
  font-weight: 700 !important;
  color: transparent !important;
  background: linear-gradient(to right, #f2f5fc 0 46%, #7d8cff 46% 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

.topbar.platform-header .site-nav {
  justify-self: center !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 14px !important;
  margin: 0 !important;
}

.topbar.platform-header .site-nav-link {
  position: relative !important;
  border: 0 !important;
  border-radius: 8px !important;
  background: transparent !important;
  color: rgba(227, 235, 255, 0.68) !important;
  font-family: var(--font-ui, "Inter", sans-serif) !important;
  font-size: 1.08rem !important;
  line-height: 1 !important;
  font-weight: 500 !important;
  padding: 10px 8px !important;
  text-decoration: none !important;
}

.topbar.platform-header .site-nav-link:hover {
  color: rgba(238, 243, 255, 0.9) !important;
  background: transparent !important;
}

.topbar.platform-header .site-nav-link.site-nav-active {
  color: #7d8cff !important;
}

.topbar.platform-header .site-nav-link.site-nav-active::after {
  content: "" !important;
  position: absolute !important;
  left: 8px !important;
  right: 8px !important;
  bottom: -8px !important;
  height: 2px !important;
  border-radius: 2px !important;
  background: #7d8cff !important;
}

.topbar.platform-header .site-nav-explore {
  cursor: default !important;
}

.topbar.platform-header .site-nav-explore svg {
  opacity: 0.55 !important;
}

.topbar.platform-header .topbar-utility {
  justify-self: end !important;
  margin-left: 0 !important;
}

.topbar.platform-header .topbar-links {
  margin-left: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.topbar.platform-header .hdr-nav {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
}

.topbar.platform-header .theme-toggle-slot {
  display: inline-flex !important;
  align-items: center !important;
}

/* Icon buttons + theme switch: uniform 36×36 transparent squares */
.topbar.platform-header .hdr-icon-btn,
.topbar.platform-header .theme-switch {
  position: static !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: rgba(227, 235, 255, 0.62) !important;
  cursor: pointer !important;
}

.topbar.platform-header summary.hdr-account-btn.portal-menu-trigger {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  padding: 0 !important;
  border-radius: 10px !important;
}

.topbar.platform-header .hdr-icon-btn svg {
  display: block !important;
  width: 15px !important;
  height: 15px !important;
  flex-shrink: 0 !important;
}

.topbar.platform-header .hdr-icon-btn:hover,
.topbar.platform-header .theme-switch:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: rgba(240, 245, 255, 0.96) !important;
}

/* Strip the pill track/thumb completely — just show the icon */
.topbar.platform-header .theme-switch-track {
  all: unset !important;
  display: contents !important;
}

.topbar.platform-header .theme-switch-thumb {
  display: none !important;
}

/* Icon container: static, centered */
.topbar.platform-header .theme-switch-icons {
  position: static !important;
  inset: auto !important;
  width: auto !important;
  height: auto !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  pointer-events: none !important;
}

/* Reset individual icon to static, auto-sized */
.topbar.platform-header .theme-switch-icon {
  position: static !important;
  width: auto !important;
  height: auto !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.topbar.platform-header .theme-switch-icon svg {
  display: block !important;
  width: 15px !important;
  height: 15px !important;
  flex-shrink: 0 !important;
}

/* Dark mode: show moon, hide sun */
.topbar.platform-header .theme-switch-icon--dark {
  opacity: 0.9 !important;
  display: inline-flex !important;
}

.topbar.platform-header .theme-switch-icon--light {
  display: none !important;
}

/* Light mode: show sun, hide moon */
html[data-theme="light"] .topbar.platform-header .theme-switch-icon--dark {
  display: none !important;
}

html[data-theme="light"] .topbar.platform-header .theme-switch-icon--light {
  display: inline-flex !important;
  opacity: 1 !important;
}

.topbar.platform-header .hdr-sep {
  display: inline-block !important;
  width: 1px !important;
  height: 18px !important;
  margin: 0 6px !important;
  background: rgba(227, 235, 255, 0.14) !important;
  flex-shrink: 0 !important;
  align-self: center !important;
}

.topbar.platform-header .hdr-signin-btn {
  height: 36px !important;
  padding: 0 8px !important;
  border: 0 !important;
  border-radius: 8px !important;
  background: transparent !important;
  color: rgba(227, 235, 255, 0.84) !important;
  font-family: var(--font-ui, "Inter", sans-serif) !important;
  font-size: 1.08rem !important;
  font-weight: 500 !important;
  line-height: 1 !important;
  text-decoration: none !important;
}

.topbar.platform-header .hdr-signup-btn {
  height: 40px !important;
  padding: 0 18px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: #4d46db !important;
  color: #f7f8ff !important;
  font-family: var(--font-ui, "Inter", sans-serif) !important;
  font-size: 1.02rem !important;
  font-weight: 600 !important;
  line-height: 1 !important;
  text-decoration: none !important;
  box-shadow: none !important;
}

.topbar.platform-header .hdr-signup-btn:hover {
  background: #5c53f0 !important;
  color: #ffffff !important;
}

.topbar.platform-header summary.hdr-account-btn.portal-menu-trigger {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border: 1px solid rgba(125, 140, 255, 0.24) !important;
  background: rgba(2, 10, 28, 0.9) !important;
  box-shadow: none !important;
  overflow: hidden !important;
  gap: 0 !important;
}

.topbar.platform-header .hdr-account-name,
.topbar.platform-header .hdr-chevron {
  display: none !important;
}

.topbar.platform-header summary.hdr-account-btn.portal-menu-trigger .hdr-avatar {
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  border-radius: 10px !important;
  border: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  line-height: 1 !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em !important;
  transform: none !important;
  background: linear-gradient(135deg, #6d64f8 0%, #5a4ee2 58%, #503cd4 100%) !important;
  color: #eef2ff !important;
}

html[data-theme="light"] .topbar.platform-header {
  background: #f7f9ff !important;
  border-bottom-color: rgba(15, 23, 42, 0.08) !important;
}

html[data-theme="light"] .topbar.platform-header .brand-link {
  background: linear-gradient(to right, #0f172a 0 46%, #4f46e5 46% 100%) !important;
  background-repeat: no-repeat !important;
  display: inline-block !important;
  color: transparent !important;
  -webkit-text-fill-color: transparent !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
}

html[data-theme="light"] .topbar.platform-header .site-nav-link {
  color: rgba(15, 23, 42, 0.64) !important;
}

html[data-theme="light"] .topbar.platform-header .site-nav-link:hover {
  color: rgba(15, 23, 42, 0.92) !important;
}

html[data-theme="light"] .topbar.platform-header .site-nav-link.site-nav-active {
  color: #4f46e5 !important;
}

html[data-theme="light"] .topbar.platform-header .hdr-icon-btn,
html[data-theme="light"] .topbar.platform-header .theme-switch {
  color: rgba(15, 23, 42, 0.58) !important;
}

html[data-theme="light"] .topbar.platform-header .hdr-icon-btn:hover,
html[data-theme="light"] .topbar.platform-header .theme-switch:hover {
  background: rgba(15, 23, 42, 0.07) !important;
  color: rgba(15, 23, 42, 0.92) !important;
}

html[data-theme="light"] .topbar.platform-header .hdr-sep {
  background: rgba(15, 23, 42, 0.16) !important;
}

html[data-theme="light"] .topbar.platform-header .hdr-signin-btn {
  color: rgba(15, 23, 42, 0.88) !important;
}

html[data-theme="light"] .topbar.platform-header summary.hdr-account-btn.portal-menu-trigger {
  border-color: rgba(79, 70, 229, 0.24) !important;
  background: rgba(255, 255, 255, 0.88) !important;
}

@media (max-width: 1180px) {
  :root {
    --platform-header-side-pad: 18px;
  }

  .topbar.platform-header .brand-link {
    font-size: 1.07rem !important;
  }

  .topbar.platform-header .site-nav-link {
    font-size: 0.95rem !important;
    padding: 9px 6px !important;
  }
}

@media (max-width: 920px) {
  :root {
    --platform-header-h: 58px;
    --platform-header-side-pad: 14px;
    --results-mobile-topbar-h: 58px;
  }

  .topbar.platform-header .platform-header-inner {
    grid-template-columns: 1fr auto !important;
  }

  .topbar.platform-header .site-nav {
    display: none !important;
  }

  .topbar.platform-header .brand-link {
    font-size: 1rem !important;
  }

  .topbar.platform-header .hdr-signin-btn,
  .topbar.platform-header .hdr-signup-btn {
    display: none !important;
  }

  .topbar.platform-header .hdr-sep {
    display: none !important;
  }
}

/* =============================================================================
   MOBILE REFINEMENTS  ·  Added for sub-920px viewports
   ============================================================================= */

/* ── 920px: re-expose a compact Sign-in so logged-out users can reach auth ── */
@media (max-width: 920px) {
  .topbar.platform-header .hdr-signin-btn {
    display: inline-flex !important;
    align-items: center !important;
    height: 34px !important;
    padding: 0 14px !important;
    border: 1px solid rgba(227, 235, 255, 0.18) !important;
    border-radius: 9px !important;
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    color: rgba(227, 235, 255, 0.82) !important;
    background: transparent !important;
    white-space: nowrap !important;
  }

  html[data-theme="light"] .topbar.platform-header .hdr-signin-btn {
    border-color: rgba(15, 23, 42, 0.18) !important;
    color: rgba(15, 23, 42, 0.82) !important;
  }
}

/* ── 640px: tighten everything on large phones ── */
@media (max-width: 640px) {
  :root {
    --platform-header-h: 54px;
    --platform-header-side-pad: 12px;
    --results-mobile-topbar-h: 54px;
  }

  .topbar.platform-header .hdr-icon-btn,
  .topbar.platform-header .theme-switch {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    border-radius: 9px !important;
  }

  .topbar.platform-header .hdr-nav {
    gap: 6px !important;
  }

  .topbar.platform-header .hdr-signin-btn {
    height: 32px !important;
    padding: 0 11px !important;
    font-size: 0.82rem !important;
  }
}

@media (max-width: 760px) {
  .topbar.platform-header {
    background:
      linear-gradient(#030b1f, #030b1f) top / 100% env(safe-area-inset-top, 0px) no-repeat,
      #030b1f !important;
    padding-top: env(safe-area-inset-top, 0px) !important;
    min-height: calc(var(--platform-header-h) + env(safe-area-inset-top, 0px)) !important;
    height: calc(var(--platform-header-h) + env(safe-area-inset-top, 0px)) !important;
    box-sizing: content-box !important;
  }
}

/* ── 480px: standard phones ── */
@media (max-width: 480px) {
  :root {
    --platform-header-h: 52px;
    --platform-header-side-pad: 10px;
  }

  .topbar.platform-header .brand-link {
    font-size: 0.94rem !important;
  }

  .topbar.platform-header .hdr-icon-btn,
  .topbar.platform-header .theme-switch {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
  }

  .topbar.platform-header .hdr-signin-btn {
    height: 30px !important;
    padding: 0 10px !important;
    font-size: 0.78rem !important;
    border-radius: 8px !important;
  }

  .topbar.platform-header .hdr-nav {
    gap: 4px !important;
  }

  .topbar.platform-header .hdr-sep {
    display: none !important;
  }
}

/* ── 380px: very small phones (iPhone SE, Galaxy A series) ── */
@media (max-width: 380px) {
  :root {
    --platform-header-side-pad: 8px;
  }

  .topbar.platform-header .brand-link {
    font-size: 0.88rem !important;
    letter-spacing: 0.04em !important;
  }

  .topbar.platform-header .hdr-signin-btn {
    padding: 0 8px !important;
    font-size: 0.74rem !important;
  }

  /* Hide manage-booking icon on very small screens to save space */
  .topbar.platform-header .hdr-icon-btn {
    display: none !important;
  }
}