/* Ajustes de la cabecera (js/ui/settings-menu.js): engranaje + panel con tema, tamaño del texto y reiniciar. */
.settings {
  position: relative;
}

.settings__button {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background-color 0.15s;
}

.settings__button:hover,
.settings__button[aria-expanded='true'] {
  color: var(--text);
  border-color: var(--accent);
}

.settings__button[aria-expanded='true'] {
  background: var(--accent-soft);
}

.settings__button:focus-visible,
.settings__seg:focus-visible,
.settings__step:focus-visible,
.settings__reset:focus-visible,
.settings__row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.settings__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 50;
  display: grid;
  gap: var(--space-3);
  /* Ancho mínimo en px (con el texto al 75 % los rem se quedan cortos) y creciendo con el texto. */
  width: min(max(20rem, 340px), calc(100vw - 24px));
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow);
}

/* Cerrado: fuera de la vista y sin recibir clics; abre y cierra con un fundido corto (no «salta»). */
.settings__panel {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top right;
  transition: opacity 0.14s ease, transform 0.14s ease, visibility 0s linear 0.14s;
}

.settings__panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity 0.14s ease, transform 0.14s ease, visibility 0s;
}

@media (prefers-reduced-motion: reduce) {
  .settings__panel,
  .settings__panel.is-open {
    transition: none;
  }
}

.settings__section {
  display: grid;
  gap: var(--space-2);
}

.settings__section + .settings__section {
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.settings__title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Tema: control segmentado (un grupo de opciones, una sola elegida). */
.settings__segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.settings__seg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 var(--space-2);
  border: 0;
  border-radius: calc(var(--radius) - 3px);
  background: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.settings__seg:hover {
  color: var(--text);
}

.settings__seg[aria-checked='true'] {
  background: var(--panel);
  color: var(--accent);
  font-weight: 650;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.18);
}

/* Tamaño del texto: control unido A− · valor · A+ y, aparte, «Restablecer». */
.settings__size {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.settings__stepper {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel-2);
  overflow: hidden;
}

.settings__step {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 1px;
  min-width: 44px;
  min-height: 38px;
  padding: 0 var(--space-2);
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.settings__step:hover:not(:disabled) {
  background: var(--accent-soft);
}

.settings__step:disabled {
  color: var(--text-dim);
  cursor: not-allowed;
  opacity: 0.45;
}

.settings__a {
  align-self: center;
  font-weight: 650;
  line-height: 1;
}

.settings__a--small {
  font-size: 0.8rem;
}

.settings__a--big {
  font-size: 1.15rem;
}

.settings__size-value {
  display: grid;
  place-items: center;
  min-width: 3.6rem;
  border-inline: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.settings__reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: none;
  color: var(--accent);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.settings__reset:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.settings__reset:disabled {
  color: var(--text-dim);
  border-color: var(--border);
  cursor: default;
  opacity: 0.6;
}

/* Fila de acción: icono en un círculo, título con su explicación y una flecha (abre un diálogo). */
.settings__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}

.settings__row:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.settings__row-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-size: 1.05rem;
  line-height: 1;
}

.settings__row-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.settings__row-label {
  font-size: 0.9rem;
  font-weight: 650;
}

.settings__row-hint {
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--text-muted);
}

.settings__row-go {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--text-dim);
}

.settings__row:hover .settings__row-go {
  color: var(--accent);
}

/* Variante de dos opciones del control segmentado (arranque automático / paso a paso). */
.settings__segmented--two {
  grid-template-columns: 1fr 1fr;
}

.settings__note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-muted);
}