/* ──────────────────────────────────────────────────────────────────
   Theme picker — popover styles
   Loaded after palettes.css so the swatch previews can reference
   the same oklch() values used by each palette.
   ────────────────────────────────────────────────────────────────── */

[data-theme-picker] {
  position: relative;
  display: inline-flex;
}

[data-theme-picker] .tp-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 100;
  min-width: 240px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  transform-origin: top right;
  pointer-events: none;
  transition: opacity 140ms var(--ease-standard, cubic-bezier(0.2, 0, 0, 1)),
              transform 140ms var(--ease-standard, cubic-bezier(0.2, 0, 0, 1));
}

[data-theme-picker].is-open .tp-popover {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.tp-section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 4px 4px;
}

/* Palette swatches — vertical list of 4 options */
.tp-palettes {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tp-palette {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 8px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 100ms var(--ease-standard, cubic-bezier(0.2, 0, 0, 1));
}

.tp-palette:hover { background: var(--fg-soft); }

.tp-palette.is-active {
  background: var(--fg-soft);
  box-shadow: inset 0 0 0 1px var(--accent-soft);
}

.tp-palette .tp-swatches {
  display: inline-flex;
  gap: 0;
  width: 32px;
  height: 18px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
}

.tp-palette .tp-swatches span {
  flex: 1;
  height: 100%;
  display: block;
}

.tp-palette .tp-name {
  display: block;
  line-height: 1.2;
}

.tp-palette .tp-desc {
  display: block;
  font-size: var(--fs-xs);
  color: var(--muted);
  font-weight: 400;
  line-height: 1.2;
  margin-top: 2px;
}

.tp-palette .tp-check {
  width: 14px;
  height: 14px;
  color: var(--accent);
  opacity: 0;
  transition: opacity 100ms var(--ease-standard, cubic-bezier(0.2, 0, 0, 1));
}

.tp-palette.is-active .tp-check { opacity: 1; }

/* Backdrop — invisible click-catcher to close the popover on outside click */
.tp-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
}

[data-theme-picker].is-open .tp-backdrop { display: block; }