:root,
:root[data-theme="light"] {
  color-scheme: light;
  --portrait-scale: 1.015;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --portrait-scale: 1.035;
}

.language-selector {
  position: relative;
  z-index: 8;
  flex: 0 0 auto;
}

.language-selector summary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 4.25rem;
  min-block-size: 2.75rem;
  padding-inline: 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper-deep);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  list-style: none;
  gap: 0.4rem;
}

.language-selector summary::-webkit-details-marker {
  display: none;
}

.language-selector summary:hover {
  border-color: var(--ink-soft);
  background: var(--action-hover);
}

.language-selector summary:focus-visible {
  outline: 0.1875rem solid var(--focus-ring);
  outline-offset: 0.1875rem;
}

.language-selector__globe {
  inline-size: 1rem;
  block-size: 1rem;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.language-selector__chevron {
  inline-size: 0.625rem;
  block-size: 0.4375rem;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 180ms ease;
}

.language-selector[open] .language-selector__chevron {
  transform: rotate(180deg);
}

.language-selector ul {
  position: absolute;
  z-index: 10;
  inset-block-start: calc(100% + 0.55rem);
  inset-inline-end: 0;
  display: grid;
  inline-size: max-content;
  min-inline-size: 11rem;
  margin: 0;
  padding: 0.35rem;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--surface-shadow);
  list-style: none;
}

.language-selector:not([open]) ul {
  display: none;
}

.language-selector li + li {
  border-block-start: 1px solid var(--line);
}

.language-selector a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-block-size: 2.75rem;
  padding-inline: 0.8rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.language-selector a:hover {
  background: var(--action-hover);
  color: var(--ink);
}

.language-selector a[aria-current="page"] {
  background: var(--action-primary);
  color: var(--action-on-primary);
}

.language-selector a[aria-current="page"]::after {
  content: "✓";
  margin-inline-start: 1rem;
}

.theme-selector {
  flex: 0 0 auto;
}

.theme-selector[hidden] {
  display: none;
}

.theme-toggle {
  position: relative;
  display: grid;
  place-items: center;
  min-inline-size: 4.75rem;
  min-block-size: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.theme-toggle__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  inline-size: 4.25rem;
  block-size: 2.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper-deep);
  box-shadow: inset 0 1px 0 rgb(244 242 237 / 8%);
}

.theme-toggle__thumb {
  position: absolute;
  z-index: 1;
  inset-block-start: 0.25rem;
  inset-inline-start: 0.25rem;
  inline-size: 1.875rem;
  block-size: 1.875rem;
  border-radius: 50%;
  background: var(--action-primary);
  box-shadow: 0 0.3rem 0.8rem rgb(13 27 42 / 18%);
  transform: translateX(0);
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-toggle__icon {
  position: relative;
  z-index: 2;
  justify-self: center;
  inline-size: 1rem;
  block-size: 1rem;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: color 220ms ease, opacity 220ms ease;
}

.theme-toggle__icon--sun {
  color: var(--action-on-primary);
}

.theme-toggle__icon--moon {
  color: var(--ink-soft);
  opacity: 0.7;
}

:root[data-theme="dark"] .theme-toggle__thumb {
  transform: translateX(1.625rem);
}

:root[data-theme="dark"] .theme-toggle__icon--sun {
  color: var(--ink-soft);
  opacity: 0.7;
}

:root[data-theme="dark"] .theme-toggle__icon--moon {
  color: var(--action-on-primary);
  opacity: 1;
}

.theme-toggle:hover .theme-toggle__track {
  border-color: var(--ink-soft);
}

.theme-toggle:focus-visible {
  outline: 0.1875rem solid var(--focus-ring);
  outline-offset: 0.1875rem;
}

:root[data-theme="light"] .portrait-frame__image {
  filter: brightness(0.98) contrast(1.04) saturate(0.82);
}

:root[data-theme="dark"] .portrait-frame__image {
  filter: brightness(0.7) contrast(1.12) saturate(0.72) sepia(0.06);
}