/* Selector de Apariencia — popover en el topbar */

.appearance {
  position: relative;
}

.appearance__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.appearance__btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.appearance__pop {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  min-width: 260px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  padding: 14px;
  display: none;
  font-family: var(--font-sans);
}
.appearance__pop.is-open { display: block; }

.appearance__section + .appearance__section { margin-top: 14px; }

.appearance__label {
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

/* Theme row: 3 buttons equally */
.appearance__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 3px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.appearance__row button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 6px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 11.5px;
  font-family: inherit;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.appearance__row button:hover {
  color: var(--color-text);
  background: var(--color-surface);
}
.appearance__row button.is-active {
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 500;
  box-shadow: var(--shadow-1);
}

/* Accent swatches */
.appearance__swatches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.appearance__swatches button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.appearance__swatches button:hover {
  background: var(--color-surface-alt);
}
.appearance__swatches button.is-active {
  border-color: var(--color-text);
}
.appearance__swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--s);
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}
.appearance__swatches button.is-active .appearance__swatch-dot::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-on-accent);
  left: 14px;
  top: 14px;
  transform: translate(-50%, -50%);
}