/* ============================================================================
   SONORAMA RIBERA 2026 · ACCESIBILIDAD, INFO ÚTIL Y PIE
   Preferencias de usuario (tamaño de texto, contraste alto, paleta apta
   para daltonismo, menos animaciones), panel de opciones con declaración
   WCAG 2.2 AA, acordeones de información útil y footer con el sello.
   ============================================================================ */

/* ── Tamaño del texto (todo el layout está en rem: escala completa) ── */
:root[data-fs="1"] { font-size: 112.5%; }
:root[data-fs="2"] { font-size: 127%; }

/* ── Menos animaciones (equivale a prefers-reduced-motion) ── */
:root.a11y-rm *, :root.a11y-rm *::before, :root.a11y-rm *::after {
  animation-duration: .01ms !important;
  transition-duration: .01ms !important;
  scroll-behavior: auto !important;
}

/* ── Contraste alto ── */
:root.a11y-hc {
  --ink: #000000;
  --ink-soft: rgba(0, 0, 0, .84);
  --ink-faint: rgba(0, 0, 0, .34);
  --title-on-bg: #000000;
  --title-shadow: none;
  --cream: #FFFDF6;
  --surface: #FFFFFF;
}
:root.a11y-hc[data-theme="dark"] {
  --ink: #FFFFFF;
  --ink-soft: rgba(255, 255, 255, .92);
  --ink-faint: rgba(255, 255, 255, .34);
  --title-on-bg: #FFFFFF;
  --blue: #0A141D;
  --cream: #101820;
  --cream-soft: #16222D;
  --surface: #1B2836;
}
:root.a11y-hc .stage-banner,
:root.a11y-hc .sheet-hero { filter: none; }

/* ── Cabecera: fila de herramientas ── */
.header-tools { display: flex; gap: .35rem; }

/* ── Panel de opciones ── */
.a11y-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(12, 30, 42, .55);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.a11y-backdrop.is-open { opacity: 1; pointer-events: auto; }
.a11y-panel {
  position: fixed; z-index: 95;
  left: 0; right: 0; bottom: 0;
  margin: 0 auto; max-width: 40rem;
  max-height: 88vh; max-height: 88dvh;
  overflow-y: auto; overscroll-behavior: contain;
  background: var(--cream);
  border: 2.5px solid var(--ink); border-bottom: 0;
  border-radius: 1.4rem 1.4rem 0 0;
  transform: translateY(103%);
  transition: transform .3s cubic-bezier(.32, .72, 0, 1);
  padding-bottom: calc(var(--sab) + 1.2rem);
}
.a11y-panel.is-open { transform: translateY(0); }
.a11y-head {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--cream);
  padding: 1rem 1.1rem .6rem;
  border-bottom: 2px solid var(--ink-faint);
}
.a11y-head h2 { font-family: var(--font-display); font-size: 1.2rem; }
.a11y-body { padding: .4rem 1.1rem 0; }
.a11y-sub {
  font-family: var(--font-display); font-size: .74rem;
  letter-spacing: .08em; text-transform: uppercase;
  margin: 1rem 0 .5rem;
}
.fs-row { display: flex; gap: .45rem; }
.fs-row button {
  flex: 1;
  background: var(--surface); border: 2px solid var(--ink);
  border-radius: .8rem;
  font-weight: 800; font-size: .8rem;
  padding: .6rem .3rem;
  transition: transform .12s ease;
}
.fs-row button:active { transform: scale(.95); }
.fs-row button[aria-pressed="true"] {
  background: var(--ink); color: var(--cream);
  box-shadow: var(--shadow-hard-s);
}
.fs-row button[data-fsopt="1"] { font-size: .95rem; }
.fs-row button[data-fsopt="2"] { font-size: 1.1rem; }
.a11y-switch {
  width: 100%;
  display: flex; align-items: center; gap: .7rem;
  background: var(--surface); border: 2px solid var(--ink);
  border-radius: .9rem;
  padding: .65rem .75rem;
  margin-bottom: .5rem;
  text-align: left;
}
.a11y-switch .sw-copy { flex: 1; min-width: 0; }
.a11y-switch b { display: block; font-size: .88rem; }
.a11y-switch small { display: block; font-size: .68rem; color: var(--ink-soft); margin-top: .1rem; }
.a11y-switch .knob {
  flex: 0 0 auto;
  width: 2.7rem; height: 1.5rem;
  border: 2px solid var(--ink); border-radius: 999px;
  position: relative;
  background: var(--cream-soft);
  transition: background .18s ease;
}
.a11y-switch .knob::after {
  content: '';
  position: absolute; top: .1rem; left: .12rem;
  width: 1rem; height: 1rem; border-radius: 50%;
  background: var(--ink);
  transition: transform .18s ease;
}
.a11y-switch[aria-checked="true"] .knob { background: var(--green); }
.a11y-switch[aria-checked="true"] .knob::after { transform: translateX(1.15rem); }
.a11y-statement { margin: 1rem 0 .4rem; }
.a11y-statement summary {
  font-weight: 900; font-size: .84rem;
  padding: .6rem .2rem; cursor: pointer;
}
.a11y-statement div { padding: .2rem .2rem .6rem; }
.a11y-statement p { font-size: .8rem; line-height: 1.55; color: var(--ink-soft); margin-bottom: .6rem; }
.a11y-statement p b { color: var(--ink); }

/* ── Info útil (acordeones del Programa) ── */
.info-card {
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-hard-s);
  margin-bottom: .55rem;
  overflow: hidden;
}
.info-card summary {
  list-style: none;
  display: flex; align-items: center; gap: .5rem;
  font-weight: 900; font-size: .86rem;
  padding: .75rem .9rem;
  cursor: pointer;
}
.info-card summary::-webkit-details-marker { display: none; }
.info-card summary::after {
  content: '▾'; margin-left: auto;
  transition: transform .2s ease;
}
.info-card[open] summary::after { transform: rotate(180deg); }
.info-card .info-body { padding: 0 .9rem .8rem; }
.info-card .info-body p {
  font-size: .8rem; line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: .45rem;
}
.info-card .info-body p.li { padding-left: 1rem; position: relative; }
.info-card .info-body p.li::before {
  content: ''; position: absolute; left: .1rem; top: .48em;
  width: .42rem; height: .42rem; border-radius: 50%;
  background: var(--red);
}

/* ── Pie con el sello de accesibilidad ── */
.app-footer {
  margin-top: 1.6rem;
  padding: 1.2rem 1rem 0;
  border-top: 2.5px dashed rgba(255, 255, 255, .35);
  text-align: center;
}
:root[data-theme="dark"] .app-footer { border-top-color: rgba(237, 230, 214, .2); }
.a11y-seal {
  font-size: .78rem; font-weight: 800;
  color: var(--title-on-bg);
  line-height: 1.5;
}
.a11y-seal b { display: inline-block; }
.a11y-seal span { display: block; font-size: .64rem; font-weight: 700; opacity: .85; }
.foot-link {
  margin: .6rem 0 .2rem;
  display: inline-block;
  background: var(--cream); border: 2px solid var(--ink);
  border-radius: 999px; box-shadow: var(--shadow-hard-s);
  font-size: .7rem; font-weight: 900; letter-spacing: .04em; text-transform: uppercase;
  padding: .5rem .95rem;
  color: var(--ink);
}
.foot-note {
  margin-top: .7rem;
  font-size: .62rem; font-weight: 700;
  color: var(--title-on-bg); opacity: .8;
}
.offline-note {
  max-width: 31rem; margin: .8rem auto .2rem;
  font-size: .72rem; line-height: 1.45; font-weight: 700;
  opacity: .82;
}

/* ── Menú de Ajustes (rueda de la cabecera) ── */
.settings-panel .a11y-body { padding-top: .8rem; }
.settings-body > button {
  width: 100%;
  display: flex; align-items: center; gap: .7rem;
  background: var(--surface);
  border: 2px solid var(--ink); border-radius: .9rem;
  box-shadow: none;
  padding: .85rem .9rem;
  margin: 0 0 .55rem;
  font-size: .88rem; font-weight: 800;
  letter-spacing: normal; text-transform: none; text-align: left;
  color: var(--ink);
  transition: transform .12s ease;
}
.settings-body > button:active { transform: scale(.98); }
.settings-body > button svg { flex: 0 0 auto; width: 1.15rem; height: 1.15rem; }
.settings-body .row-copy { flex: 1; min-width: 0; }
.settings-body .row-value {
  flex: 0 0 auto;
  font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase;
  background: var(--cream-soft);
  border: 1.5px solid var(--ink); border-radius: 999px;
  padding: .25rem .6rem;
}
.settings-body .offline-status { justify-content: flex-start; }
.settings-body .offline-status__dot { flex: 0 0 auto; }