c.stupid.cat/css/shared/theme-switcher.css

/* ============================================================
   theme-switcher.css — top-right theme switcher button + the
   secret cat-mode picker modal it can open.
   Shared across all pages.
   ============================================================ */

/* ============================================================
   7. THEME SWITCHER  (shared, icon button top-right)
   ============================================================ */
.beta-bar {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* cat-collection button icon: the classic oneko idle frame, scaled down
   from the 256x128 sprite sheet (idle frame lives at -96px,-96px) */
.beta-cat-icon {
  width: 22px;
  height: 22px;
  display: block;
  background-image: url('/assets/oneko/classics/classic.png');
  background-repeat: no-repeat;
  background-size: 176px 88px;
  background-position: -66px -66px;
  image-rendering: pixelated;
}

.beta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: 999px;
  background: var(--surface-0);
  border: 1px solid var(--surface-1);
  cursor: url('../assets/cursor/pointer_0.png'), pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.beta-btn:hover {
  border-color: var(--pink);
  transform: translateY(2px);
}

.beta-icon {
  width: 22px;
  height: 22px;
  display: block;
}


/* ============================================================
   10. SECRET CAT MODES  (toast + picker modal)
   ============================================================ */
.cat-toast {
  position: fixed;
  left: 50%;
  bottom: 4.5rem;
  transform: translateX(-50%) translateY(8px);
  z-index: 2147483647;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--crust);
  border: 1px solid var(--pink);
  color: var(--text);
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cat-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.cat-picker {
  position: fixed;
  inset: 0;
  z-index: 2147483646;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(17, 17, 27, 0.65);
  backdrop-filter: blur(2px);
}

.cat-picker[hidden] {
  display: none;
}

.cat-picker-panel {
  width: min(94vw, 430px);
  max-height: 82vh;
  overflow-y: auto;
  background: var(--base);
  border: 1px solid var(--surface-1);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}

.cat-picker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-weight: 700;
  color: var(--pink);
}

.cat-picker-close {
  background: none;
  border: none;
  color: var(--subtext-0);
  font-size: 1.35rem;
  line-height: 1;
  cursor: url('../assets/cursor/pointer_0.png'), pointer;
  padding: 0 0.25rem;
}

.cat-picker-close:hover {
  color: var(--text);
}

.cat-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cat-section-title {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mauve);
  border-bottom: 1px solid var(--surface-1);
  padding-bottom: 0.3rem;
}

.cat-section-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.cat-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.75rem 0.4rem 0.6rem;
  border-radius: 12px;
  background: var(--surface-0);
  border: 1px solid var(--surface-1);
  color: var(--text);
  font-family: inherit;
  font-size: 0.74rem;
  text-align: center;
  cursor: url('../assets/cursor/pointer_0.png'), pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.cat-option:hover:not(.locked) {
  transform: translateY(-2px);
  border-color: var(--pink);
}

.cat-option.current {
  border-color: var(--pink);
  box-shadow: inset 0 0 0 1px var(--pink);
}

.cat-option.locked {
  cursor: url('../assets/cursor/default_0.png'), default;
  opacity: 0.75;
}

.cat-preview {
  /* 30px window + the -97px,-97px position = the idle frame inset 1px on
     every side, so no preview can catch pixels from neighbouring frames */
  width: 30px;
  height: 30px;
  margin: 7px 1px 11px;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  transform: scale(1.7);
  transform-origin: center;
}

.cat-name {
  font-weight: 500;
}

.cat-hint {
  margin: 0.85rem 0 0;
  font-size: 0.68rem;
  color: var(--subtext-0);
  text-align: center;
}