.theme-picker-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 399;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.theme-picker-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.theme-picker {
  position: fixed;
  z-index: 500;
  background: var(--color-bg-default);
  border: 1px solid var(--color-border-default);
  border-radius: 8px;
  padding: 1rem;
  max-height: 60vh;
  overflow-y: auto;
  width: min(24rem, 100vw - 2rem);
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}
.theme-picker.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
@media (min-width: 641px) {
  .theme-picker {
    bottom: 3.5rem;
    left: 50%;
    translate: -50% 0;
    transform: translateY(1rem);
    opacity: 0;
  }
  .theme-picker.open {
    transform: translateY(0);
    opacity: 1;
  }
}
@media (max-width: 640px) {
  .theme-picker {
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 70vh;
    border-radius: 12px 12px 0 0;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
    transform: translateY(100%);
  }
  .theme-picker.open {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .theme-picker,
  .theme-picker-backdrop {
    transition-duration: 0.01ms;
  }
}
.theme-picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.theme-picker-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--color-fg-default);
}

.theme-picker-close {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  color: var(--color-fg-muted);
  font-size: 1rem;
  padding: 0.25rem;
  line-height: 1;
}
.theme-picker-close:hover {
  color: var(--color-fg-default);
}

.theme-picker-group {
  margin-bottom: 0.75rem;
}

.theme-picker-label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--color-fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.theme-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.4rem;
}

.theme-swatch {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--color-border-muted);
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
  text-align: left;
  transition: border-color 0.15s ease;
}
.theme-swatch:hover {
  border-color: var(--color-fg-accent);
}
.theme-swatch[aria-pressed=true] {
  border-color: var(--color-fg-accent);
  background: var(--color-bg-neutral-muted);
}

.theme-swatch-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--color-fg-default);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.theme-picker-footer {
  margin-top: 0.5rem;
  text-align: center;
}

.theme-picker-reset {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  color: var(--color-fg-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}
.theme-picker-reset:hover {
  color: var(--color-fg-accent);
}

.theme-footer-trigger {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  color: var(--color-fg-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  text-decoration: none;
}
.theme-footer-trigger:hover {
  color: var(--color-fg-default);
}
@media (max-width: 640px) {
  .theme-footer-trigger {
    display: none;
  }
}