/* Shared marketing header and account settings dialog. */
:root {
  --header-container-width: 77.5rem;
  --header-container-compact-width: calc(var(--header-container-width) * 0.85);
  --header-modal-width: 53.75rem;
  --header-modal-height-gap: 2.25rem;
  --header-control-radius: 0.375rem;
  --header-panel-radius: 0.5rem;
  --header-modal-radius: 0.875rem;
  --header-line-width: 0.125rem;
  --header-menu-offset: 0.375rem;
  --header-settings-nav-width: 12.5rem;
  --header-mobile-nav-height: 3.5rem;
  --header-pill-radius: 9999px;
  --header-modal-z-index: 1100;
  /* Dark-anchored scrim so the dialog reads as elevated above a dimmed page in
     both light and dark themes (a text-based mix would invert to a light veil
     in dark mode). Paired with a subtle blur on the backdrop below. */
  --header-scrim: rgba(10, 10, 12, 0.68);
  --header-scrim-blur: 2px;
  --header-overlay: color-mix(in srgb, var(--color-text) 24%, transparent);
}

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

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--header-z-index);
  border-block-end: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.site-header__container {
  width: 100%;
  max-width: var(--header-container-width);
  min-height: var(--header-height);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-7);
}

.site-header__brand {
  min-height: var(--header-touch-target);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
}

.site-header__logo {
  width: var(--header-logo-size);
  height: var(--header-logo-size);
  object-fit: contain;
}

.site-header__brand-text {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.site-header__nav,
.site-header__right,
.site-header__guest-actions {
  display: flex;
  align-items: center;
}

.site-header__nav {
  justify-self: center;
  gap: var(--space-1);
}

.site-header__right,
.site-header__guest-actions {
  gap: var(--space-2);
}

.site-header__nav-link,
.site-header__mobile-link {
  min-height: var(--header-touch-target);
  padding-inline: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  border: 1px solid transparent;
  border-radius: var(--header-control-radius);
  background: transparent;
  color: var(--color-text-soft);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.site-header__nav-link:hover,
.site-header__mobile-link:hover,
.site-header__nav-link.is-active,
.site-header__mobile-link.is-active,
.site-header__resources-trigger[aria-expanded="true"],
.site-header__mobile-resources-trigger[aria-expanded="true"] {
  color: var(--color-text);
  background: var(--color-surface-soft);
}

.site-header__nav-link:active,
.site-header__mobile-link:active,
.site-header__auth-btn:active,
.site-header__menu-toggle:active,
.site-header__mobile-close:active,
.site-header__settings-btn:active,
.site-header__resource-link:active {
  transform: translateY(var(--header-press-offset));
}

.site-header button:disabled,
.site-header [aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.site-header button[aria-busy="true"],
.site-header a[aria-busy="true"] {
  opacity: 0.6;
  cursor: progress;
  pointer-events: none;
}

.site-header__resources {
  position: relative;
}

.site-header__resources-trigger svg,
.site-header__mobile-resources-trigger svg {
  width: var(--space-4);
  height: var(--space-4);
  transition: transform var(--duration-normal) var(--ease-out);
}

.site-header__resources-trigger[aria-expanded="true"] svg,
.site-header__mobile-resources-trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.site-header__resources-panel {
  position: absolute;
  inset-block-start: calc(100% + var(--space-2));
  inset-inline-start: 0;
  z-index: var(--header-dropdown-z-index);
  width: var(--header-dropdown-width);

  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--header-panel-radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  transform-origin: top left;
  animation: header-panel-in var(--duration-normal) var(--ease-out);
}

.site-header__resources-list,
.site-header__mobile-resources-panel {
  display: grid;
  gap: var(--space-1);
}

.site-header__resource-link {
  min-height: calc(var(--header-resource-icon-size) + var(--space-4));
  padding: var(--space-2);
  display: grid;
  grid-template-columns: var(--header-resource-icon-size) minmax(0, 1fr) var(--space-5);
  align-items: center;
  gap: var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--header-control-radius);
  color: var(--color-text);
  text-decoration: none;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.site-header__resource-link:hover {
  border-color: var(--color-border-soft);
  background: var(--color-surface-soft);
}

.site-header__resource-icon {
  width: var(--header-resource-icon-size);
  height: var(--header-resource-icon-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--header-control-radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.site-header__resource-icon svg {
  width: var(--space-6);
  height: var(--space-6);
}

.site-header__resource-copy {
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.site-header__resource-copy strong {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.3;
}

.site-header__resource-copy > span {
  color: var(--color-text-soft);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.site-header__resource-arrow {
  width: var(--space-4);
  height: var(--space-4);
  color: var(--color-muted);
  opacity: 0;
  transform: translateX(calc(var(--space-1) * -1));
  transition:
    opacity var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.site-header__resource-link:hover .site-header__resource-arrow,
.site-header__resource-link:focus-visible .site-header__resource-arrow {
  opacity: 1;
  transform: translateX(0);
}

.site-header__auth-btn,
.site-header__settings-btn,
.site-header__menu-toggle,
.site-header__mobile-close {
  min-width: var(--header-touch-target);
  min-height: var(--header-touch-target);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--header-control-radius);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;

  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.site-header__auth-btn {
  padding-inline: var(--space-5);
  /* High-radius pill buttons for clean, minimalistic UI matching modern design trends */
  border-radius: var(--header-pill-radius);
}

.site-header__auth-btn--ghost {
  border: none;
  background: transparent;
  color: var(--color-text);
}

.site-header__auth-btn--ghost:hover {
  background: transparent;
  color: var(--color-text-soft);
  opacity: 0.8;
}

.site-header__settings-btn,
.site-header__menu-toggle,
.site-header__mobile-close {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.site-header__settings-btn:hover,
.site-header__menu-toggle:hover,
.site-header__mobile-close:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-soft);
}

.site-header__auth-btn--primary,
.site-header__profile-btn {
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.site-header__auth-btn--primary:hover,
.site-header__profile-btn:hover {
  border-color: color-mix(in srgb, var(--color-accent) 86%, var(--color-bg));
  background: color-mix(in srgb, var(--color-accent) 86%, var(--color-bg));
}

.site-header__settings-btn svg,
.site-header__mobile-close svg {
  width: var(--space-5);
  height: var(--space-5);
}

.site-header__menu-toggle {
  display: none;
  padding: var(--space-3);
  gap: var(--space-1);
  flex-direction: column;
}

.site-header__menu-toggle span {
  width: var(--space-5);
  height: var(--header-line-width);
  border-radius: var(--header-control-radius);
  background: currentColor;
  transform-origin: center;
  transition:
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.site-header[data-menu-open="true"] .site-header__menu-toggle span:nth-child(1) {
  transform: translateY(var(--header-menu-offset)) rotate(45deg);
}

.site-header[data-menu-open="true"] .site-header__menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header[data-menu-open="true"] .site-header__menu-toggle span:nth-child(3) {
  transform: translateY(calc(var(--header-menu-offset) * -1)) rotate(-45deg);
}

.site-header__mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--header-overlay-z-index);
  background: var(--header-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.site-header__mobile-sidebar {
  position: fixed;
  inset-block: 0;
  inset-inline: auto 0;
  z-index: var(--header-drawer-z-index);
  width: min(100%, var(--header-drawer-width));
  height: 100vh;
  height: 100dvh;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  border-inline-start: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  overflow-y: auto;
}

.site-header[data-menu-open="true"] .site-header__mobile-overlay {
  opacity: 1;
  pointer-events: auto;
}

.site-header[data-menu-open="true"] .site-header__mobile-sidebar {
  transform: translateX(0);
}

.site-header__mobile-head {
  min-height: var(--header-touch-target);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-header__mobile-close {
  padding: 0;
}

.site-header__mobile-nav,
.site-header__mobile-auth,
.site-header__mobile-guest-actions {
  display: grid;
  gap: var(--space-2);
}

.site-header__mobile-link {
  width: 100%;
  padding-inline: var(--space-3);
  justify-content: space-between;
  border-color: var(--color-border);
  background: var(--color-surface);
}

.site-header__mobile-resources-panel {
  padding-block-start: var(--space-2);
}

.site-header__mobile-resources-panel .site-header__resource-link {
  background: var(--color-bg);
}

.site-header__mobile-resources-panel .site-header__resource-link:hover {
  background: var(--color-surface-soft);
}

.site-header__mobile-auth {
  margin-block-start: auto;
}

.site-header__mobile-auth .site-header__auth-btn,
.site-header__mobile-account {
  width: 100%;
}

.site-header__mobile-account {
  padding-inline: var(--space-4);
  justify-content: flex-start;
  gap: var(--space-2);
}

.site-header a:focus-visible,
.site-header button:focus-visible,
.global-settings-modal a:focus-visible,
.global-settings-modal button:focus-visible,
.global-settings-modal__dialog:focus-visible {
  outline: var(--header-line-width) solid var(--color-focus);
  outline-offset: var(--header-line-width);
  box-shadow: 0 0 0 var(--space-1) var(--color-surface);
}

body.is-scroll-locked {
  overflow: hidden;
}

.global-settings-modal,
.global-settings-modal *,
.global-settings-modal *::before,
.global-settings-modal *::after {
  box-sizing: border-box;
}

.global-settings-modal {
  position: fixed;
  inset: 0;
  z-index: var(--header-modal-z-index);
  display: none;
}

.global-settings-modal.open {
  display: block;
}

.global-settings-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--header-scrim);
  -webkit-backdrop-filter: blur(var(--header-scrim-blur));
  backdrop-filter: blur(var(--header-scrim-blur));
}

.global-settings-modal__dialog {
  position: relative;
  width: min(var(--header-modal-width), calc(100vw - var(--space-6)));
  max-height: calc(100vh - var(--header-modal-height-gap));
  max-height: calc(100dvh - var(--header-modal-height-gap));
  margin: var(--space-8) auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--header-modal-radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.global-settings-modal__header {
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.global-settings-modal__eyebrow,
.global-settings-modal__title,
.global-settings-modal__section-title,
.global-settings-modal__section-desc {
  margin: 0;
}

.global-settings-modal__eyebrow {
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.global-settings-modal__title {
  margin-block-start: var(--space-1);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.global-settings-modal__close {
  width: var(--header-touch-target);
  height: var(--header-touch-target);
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--header-control-radius);
  background: var(--color-surface-soft);
  color: var(--color-text);
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.global-settings-modal__close:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

.global-settings-modal__close:active {
  transform: translateY(var(--header-press-offset));
}

.global-settings-modal__body {
  min-height: 0;
  padding: var(--space-5);
  display: grid;
  grid-template-columns: var(--header-settings-nav-width) minmax(0, 1fr);
  gap: var(--space-5);
}

.global-settings-modal__nav {
  display: grid;
  align-content: start;
  gap: var(--space-2);
}

.global-settings-modal__nav-item {
  min-height: var(--header-touch-target);
  padding-inline: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--header-control-radius);
  background: transparent;
  color: var(--color-text-soft);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: start;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.global-settings-modal__nav-item svg {
  width: var(--text-lg);
  height: var(--text-lg);
  flex-shrink: 0;
  opacity: 0.75;
}

.global-settings-modal__nav-item:hover {
  background: var(--color-surface-soft);
  color: var(--color-text);
}

.global-settings-modal__nav-item.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.global-settings-modal__nav-item:active {
  transform: translateY(var(--header-press-offset));
}

.global-settings-modal__nav-item:disabled,
.gsm-btn:disabled,
.theme-switch:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.global-settings-modal__panels {
  min-width: 0;
  min-height: 0;
  overflow: auto;
}

.global-settings-modal__section {
  display: none;
}

.global-settings-modal__section.is-active {
  display: block;
  animation: settings-section-in var(--duration-normal) var(--ease-out);
}

.global-settings-modal__section-title {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.global-settings-modal__section-desc {
  margin-block-start: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.global-settings-modal__profile-card,
.gsm-plan-card,
.gsm-option-row {
  margin-block-start: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--header-panel-radius);
  background: var(--color-surface-soft);
}

.global-settings-modal__profile-card {
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.global-settings-modal__avatar {
  width: var(--header-touch-target);
  height: var(--header-touch-target);
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
}

.global-settings-modal__profile-info {
  min-width: 0;
}

.global-settings-modal__email {
  overflow: hidden;
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.global-settings-modal__meta,
.gsm-option-desc {
  margin-block-start: var(--space-1);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.global-settings-modal__chips,
.global-settings-modal__actions,
.gsm-plan-actions {
  margin-block-start: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.global-settings-modal__chips span {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--header-control-radius);
  background: var(--color-surface-soft);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
}

.gsm-btn,
.theme-switch {
  min-height: var(--header-touch-target);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--header-control-radius);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.gsm-btn {
  padding-inline: var(--space-4);
  border: 1px solid transparent;
  white-space: nowrap;
}

.gsm-btn:active,
.theme-switch:active {
  transform: translateY(var(--header-press-offset));
}

.gsm-btn[aria-busy="true"] {
  opacity: 0.6;
  cursor: progress;
}

.gsm-btn--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.gsm-btn--primary:hover {
  border-color: color-mix(in srgb, var(--color-accent) 86%, var(--color-bg));
  background: color-mix(in srgb, var(--color-accent) 86%, var(--color-bg));
}

.gsm-btn--ghost {
  border-color: var(--color-border);
  background: var(--color-surface-soft);
  color: var(--color-text);
}

.gsm-btn--ghost:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

.gsm-btn--danger {
  border-color: color-mix(in srgb, var(--color-danger) 30%, transparent);
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.gsm-btn--danger:hover {
  background: color-mix(in srgb, var(--color-danger) 16%, transparent);
}

.gsm-plan-card {
  padding: var(--space-5);
}

.gsm-plan-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.gsm-plan-badge {
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.gsm-plan-name {
  margin-block-start: var(--space-1);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gsm-plan-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  color: var(--color-text);
  font-feature-settings: "tnum";
}

.gsm-plan-amount {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gsm-plan-period {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.gsm-plan-features {
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  list-style: none;
}

.gsm-plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-soft);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.gsm-plan-features svg {
  flex-shrink: 0;
  color: var(--color-text);
}

.gsm-billing-note {
  margin-block-start: var(--space-3);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.6;
}

.gsm-option-row {
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.gsm-option-title {
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
}

.theme-switch {
  padding-inline: var(--space-3);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.theme-switch:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-soft);
}

.theme-switch .ts-track {
  position: relative;
  width: var(--space-8);
  height: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--header-pill-radius);
  background: var(--color-surface-soft);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.theme-switch .ts-thumb {
  position: absolute;
  inset-block-start: var(--space-1);
  inset-inline-start: var(--space-1);
  width: var(--space-3);
  height: var(--space-3);
  border-radius: 50%;
  background: var(--color-text);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.theme-switch[aria-pressed="true"] .ts-track {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.theme-switch[aria-pressed="true"] .ts-thumb {
  background: var(--color-on-accent);
  transform: translateX(var(--space-5));
}

.theme-switch .ts-label {
  color: var(--color-text-soft);
  font-size: var(--text-xs);
}

@keyframes header-panel-in {
  from { opacity: 0; transform: translateY(calc(var(--space-1) * -1)); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes settings-section-in {
  from { opacity: 0; transform: translateY(var(--space-1)); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 960px) {
  .site-header__nav,
  .site-header__right .site-header__guest-actions,
  .site-header__right .site-header__profile-btn {
    display: none;
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__container {
    grid-template-columns: 1fr auto;
    gap: var(--space-3);
  }
}

@media (min-width: 961px) {
  .site-header {
    transition:
      background-color var(--duration-normal) var(--ease-out),
      border-color var(--duration-normal) var(--ease-out);
  }

  .site-header__container {
    position: relative;
    transition:
      max-width var(--duration-slow) var(--ease-out),
      padding-inline var(--duration-normal) var(--ease-out),
      background-color var(--duration-normal) var(--ease-out),
      border-color var(--duration-normal) var(--ease-out);
  }

  .site-header__container > .site-header__brand,
  .site-header__container > .site-header__nav,
  .site-header__container > .site-header__right {
    position: relative;
    z-index: 1;
  }

  .site-header[data-compact="true"] {
    border-color: transparent;
    background-color: transparent;
  }

  .site-header[data-compact="true"] .site-header__container {
    max-width: var(--header-container-compact-width);
    padding-inline: clamp(var(--space-3), 2vw, var(--space-5));
    border-block-end: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .site-header__mobile-sidebar,
  .site-header__mobile-overlay {
    display: none;
  }
}

@media (max-width: 720px) {
  .global-settings-modal__dialog {
    width: calc(100vw - var(--space-4));
    max-height: calc(100dvh - var(--space-4));
    margin: var(--space-2) auto;
  }

  .global-settings-modal__header,
  .global-settings-modal__body {
    padding: var(--space-4);
  }

  .global-settings-modal__body {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    overflow: auto;
  }

  .global-settings-modal__nav {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: var(--space-1);
  }

  .global-settings-modal__nav-item {
    min-height: var(--header-mobile-nav-height);
    padding: var(--space-2) var(--space-1);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header__container {
    padding-inline: var(--space-3);
  }

  .site-header__mobile-sidebar {
    width: 100%;
    padding: var(--space-3);
  }

  .site-header__resource-link {
    grid-template-columns: var(--header-resource-icon-size) minmax(0, 1fr);
  }

  .site-header__resource-arrow {
    display: none;
  }

  .global-settings-modal__title {
    font-size: var(--text-lg);
  }

  .gsm-plan-head {
    flex-direction: column;
  }

  .gsm-plan-actions .gsm-btn {
    flex: 1 1 auto;
  }

  .gsm-option-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header *,
  .site-header *::before,
  .site-header *::after,
  .global-settings-modal,
  .global-settings-modal *,
  .global-settings-modal *::before,
  .global-settings-modal *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
    scroll-behavior: auto;
  }
}

.site-header [hidden],
.global-settings-modal [hidden] {
  display: none;
}