:root {
  color-scheme: dark;
  /* Fondo y superficies (jerarquía tipo campus / LMS) */
  --bg: #090c11;
  --bg-subtle: #0c1018;
  --bg-elev: #121926;
  --bg-card: #161f30;
  --bg-card-hover: #1a2436;
  --line: rgba(255, 255, 255, 0.055);
  --line-strong: rgba(255, 255, 255, 0.11);
  --text: #eef2f8;
  --text-secondary: #c4ccd8;
  --muted: #8a94a8;
  --accent: #e4a82a;
  --accent-hover: #f0bc4d;
  --accent-dim: #b88924;
  --accent-muted: rgba(228, 168, 42, 0.14);
  --ok: #2eb87a;
  --bad: #e07076;
  --focus: #6ba3f5;
  --link: #93b8ff;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.38);
  --shadow: var(--shadow-md);
  --surface-inset: inset 0 1px 0 rgba(255, 255, 255, 0.045);
  --ease-out: cubic-bezier(0.2, 0.85, 0.2, 1);
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --body-line-height: 1.56;
  --content-max: 72rem;
  /* Ritmo layout / campus (responsive) */
  --page-pad-x: clamp(1rem, 3.5vw + 0.35rem, 1.65rem);
  --page-pad-y-top: clamp(1.75rem, 4vw, 3rem);
  --page-pad-y-bottom: max(4rem, calc(1.75rem + env(safe-area-inset-bottom, 0px)));
  --touch-target: 2.75rem;
  --radius-xl: 20px;
  --ease-spring: cubic-bezier(0.34, 1.15, 0.64, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: max(4.75rem, calc(env(safe-area-inset-top, 0px) + 3.25rem));
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-padding-top: max(4rem, calc(env(safe-area-inset-top, 0px) + 2.75rem));
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.08rem);
  line-height: var(--body-line-height, 1.56);
  color: var(--text);
  background:
    radial-gradient(ellipse 110% 55% at 50% -18%, rgba(107, 163, 245, 0.11), transparent 50%),
    radial-gradient(ellipse 50% 40% at 100% 8%, rgba(228, 168, 42, 0.045), transparent 48%),
    radial-gradient(ellipse 55% 35% at 0% 55%, rgba(107, 163, 245, 0.04), transparent 45%),
    linear-gradient(180deg, var(--bg-subtle) 0%, var(--bg) 38%, #080a0e 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #111;
  font-weight: 600;
  border-radius: 8px;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-error {
  margin: 0.75rem clamp(0.75rem, 3vw, 1.25rem);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: #2a1518;
  color: #ffd4d4;
  border: 1px solid rgba(240, 113, 120, 0.45);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.18s var(--ease-out);
}

a:hover {
  color: var(--accent-hover);
}

code,
kbd {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.12em 0.38em;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

kbd {
  border-color: var(--line);
  box-shadow: var(--surface-inset);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(160%);
  background: rgba(9, 12, 17, 0.82);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
}

.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.55rem var(--page-pad-x) 0.55rem var(--page-pad-x);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.025em;
  border-radius: var(--radius-sm);
  transition: opacity 0.15s var(--ease-out), transform 0.2s var(--ease-spring);
}

.logo:active {
  opacity: 0.88;
  transform: scale(0.98);
}

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(228, 168, 42, 0.22), rgba(228, 168, 42, 0.06));
  border: 1px solid rgba(228, 168, 42, 0.28);
  color: var(--accent-hover);
  font-size: 1rem;
  line-height: 1;
}

.nav-toggle {
  margin-left: auto;
  display: none;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  min-height: var(--touch-target);
  min-width: var(--touch-target);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), transform 0.15s var(--ease-out);
}

.nav-toggle:active {
  transform: scale(0.97);
}

.nav-toggle:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

@media (min-width: 721px) {
  .site-nav {
    flex: 1 1 auto;
    justify-content: flex-end;
  }
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.48rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out),
    transform 0.15s var(--ease-out);
}

.site-nav a:active {
  transform: scale(0.98);
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-hover);
  background: var(--accent-muted);
  border-color: rgba(228, 168, 42, 0.22);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 0.35rem 0 0.75rem;
    gap: 0.4rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  @keyframes site-nav-reveal {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .site-nav.is-open {
      animation: site-nav-reveal 0.26s var(--ease-out) both;
    }
  }

  .site-nav.is-open a {
    width: 100%;
    justify-content: center;
    min-height: var(--touch-target);
    padding: 0.62rem 1rem;
    border-radius: var(--radius-sm);
  }
}

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--page-pad-y-top) var(--page-pad-x) var(--page-pad-y-bottom) var(--page-pad-x);
}

.view[hidden] {
  display: none !important;
}

.hero {
  padding: 0.25rem 0 clamp(2rem, 5vw, 2.75rem);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.06) 0%, rgba(18, 25, 38, 0.85) 100%);
  box-shadow: var(--surface-inset);
}

.hero h1 {
  font-size: clamp(1.85rem, 1.15rem + 2.4vw, 2.65rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0 0 1rem;
  text-wrap: balance;
}

/* Títulos de vista: el JS enfoca el h1 al cambiar de ruta; el aviso va por #route-announce — sin anillo (evita contorno azul del navegador o de :focus-visible). */
.view h1:focus,
.view h1:focus-visible {
  outline: none;
  box-shadow: none;
}

.hero__lead {
  max-width: min(58ch, 100%);
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  font-size: clamp(0.98rem, 0.95rem + 0.15vw, 1.05rem);
  line-height: 1.62;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

@media (max-width: 420px) {
  .hero__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

.hero__facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hero__facts li {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045) 0%, transparent 50%), var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-md), var(--surface-inset);
  font-size: 0.94rem;
  color: var(--text-secondary);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .hero__facts li:hover {
    border-color: rgba(147, 184, 255, 0.22);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(107, 163, 245, 0.08), var(--surface-inset);
    transform: translateY(-2px);
  }
}

html.a11y-reduce-motion .hero__facts li:hover {
  transform: none !important;
}

html.a11y-reduce-motion .block-list li:hover {
  transform: none !important;
}

html.a11y-reduce-motion .site-nav.is-open {
  animation: none !important;
}

html.a11y-reduce-motion .logo:active {
  transform: none;
}

html.a11y-reduce-motion .btn:active:not(:disabled),
html.a11y-reduce-motion .opt:active {
  transform: none;
}

/* ---------- Progreso del usuario (local) ---------- */
.user-stats {
  position: relative;
  max-width: var(--content-max);
  margin: 1.5rem auto 2.25rem;
  padding: clamp(1.1rem, 3vw, 1.4rem) clamp(1rem, 3vw, 1.45rem) clamp(1.1rem, 3vw, 1.4rem) clamp(1.15rem, 3vw, 1.5rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(155deg, rgba(107, 163, 245, 0.08) 0%, rgba(18, 25, 38, 0.92) 42%, var(--bg-elev) 100%);
  box-shadow: var(--shadow-md), var(--surface-inset), 0 0 0 1px rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.user-stats::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: linear-gradient(180deg, var(--focus), rgba(147, 184, 255, 0.35));
  opacity: 0.95;
}

.user-stats__title {
  margin: 0 0 0.4rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
}

.user-stats__note {
  margin: 0 0 1.2rem;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.55;
  max-width: 72ch;
}

.user-stats__grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
}

.user-stats__metric {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(22, 31, 48, 0.92) 100%);
  box-shadow: var(--shadow-sm), var(--surface-inset);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

@media (hover: hover) {
  .user-stats__metric:hover {
    border-color: rgba(147, 184, 255, 0.18);
    box-shadow: var(--shadow-sm), 0 0 0 1px rgba(107, 163, 245, 0.06), var(--surface-inset);
  }
}

.user-stats__metric-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.user-stats__metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-variant-numeric: tabular-nums;
}

.user-stats__metric-den {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.user-stats__metric-hint {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.4;
}

.user-stats__bar {
  margin-top: 0.5rem;
  height: 7px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.user-stats__bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5a8fd9, var(--link) 55%, rgba(147, 184, 255, 0.75));
  box-shadow: 0 0 12px rgba(107, 163, 245, 0.35);
  transition: width 0.45s var(--ease-out);
}

.user-stats__parts {
  margin-top: 1.15rem;
  padding-top: 1.05rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.65rem;
}

@media (min-width: 560px) {
  .user-stats__parts {
    grid-template-columns: 1fr 1fr;
  }
}

.user-stats__part {
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
}

.user-stats__part-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.user-stats__part-val {
  font-size: 0.93rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.user-stats__actions {
  margin-top: 1.05rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
}

.quiz-progress-summary {
  box-sizing: border-box;
  width: fit-content;
  max-width: min(var(--content-max), calc(100% - 2.5rem));
  margin: 0 auto 1rem;
  padding: 0.65rem 1.2rem;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-secondary);
  text-align: center;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05) 0%, var(--bg-card) 100%);
  box-shadow: var(--shadow-sm), var(--surface-inset);
}

.section-head {
  margin-bottom: clamp(1.35rem, 4vw, 2rem);
  padding: 0.4rem 0 0.4rem 1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(228, 168, 42, 0.06), transparent 55%);
}

.section-head h1 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.45rem, 1.1rem + 1.1vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  text-wrap: balance;
}

.section-head__sub {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.btn {
  font: inherit;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.62rem 1.15rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  touch-action: manipulation;
  transition: filter 0.15s ease, border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
    transform 0.12s var(--ease-out);
}

.btn:active:not(:disabled) {
  transform: scale(0.985);
}

.btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--accent);
  color: #151008;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: var(--surface-inset), 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn--primary:hover {
  filter: brightness(1.06);
  border-color: rgba(0, 0, 0, 0.18);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.btn--danger {
  background: rgba(224, 112, 118, 0.12);
  color: #f0b4b8;
  border-color: rgba(224, 112, 118, 0.32);
}

.btn--danger:hover {
  background: rgba(224, 112, 118, 0.18);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.panel {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.035) 0%, transparent 42%), var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: clamp(1.1rem, 3vw, 1.45rem) clamp(1.05rem, 3vw, 1.45rem);
  margin-bottom: clamp(1.15rem, 3vw, 1.5rem);
  box-shadow: var(--shadow-md), var(--surface-inset);
}

.panel--inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 560px) {
  .panel--inline {
    flex-direction: column;
    align-items: stretch;
  }

  .panel--inline .btn {
    width: 100%;
    justify-content: center;
  }
}

.panel__row {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.panel__row:last-child {
  margin-bottom: 0;
}

.panel__row--actions {
  grid-template-columns: 1fr auto;
  align-items: center;
}

@media (max-width: 560px) {
  .panel__row--actions {
    grid-template-columns: 1fr;
  }
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

select,
textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.58rem 0.75rem;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

@media (hover: hover) {
  select:hover,
  textarea:hover {
    border-color: rgba(255, 255, 255, 0.16);
  }
}

select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: rgba(107, 163, 245, 0.45);
  box-shadow: 0 0 0 3px rgba(107, 163, 245, 0.18);
}

select {
  max-width: 100%;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
}

.check__hint {
  display: inline-flex;
  width: 1.1rem;
  height: 1.1rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.65rem;
  color: var(--accent);
}

.temario {
  display: grid;
  gap: 1.25rem;
}

.part-card {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.03) 0%, transparent 40%), var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: clamp(1.1rem, 3vw, 1.45rem) clamp(1.05rem, 3vw, 1.45rem);
  box-shadow: var(--shadow-md), var(--surface-inset);
}

.part-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.block-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.block-list li {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), transform 0.15s var(--ease-out);
}

.block-list li:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .block-list li:hover {
    transform: translateY(-1px);
  }
}

.block-list strong {
  display: block;
  margin-bottom: 0.2rem;
}

.block-list span {
  color: var(--muted);
  font-size: 0.92rem;
}

.method-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.method-card {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.03) 0%, transparent 40%), var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md), var(--surface-inset);
}

.method-card summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.method-card summary::-webkit-details-marker {
  display: none;
}

.method-card summary::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 0.35rem;
  border-radius: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

.method-card__body {
  padding: 0 1.15rem 1.1rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--line);
}

.method-card__body p:first-child {
  margin-top: 0.85rem;
}

.method-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.fine-print {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 75ch;
  margin-top: 2rem;
}

.quiz__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.quiz__stats {
  flex: 1 1 auto;
  text-align: center;
  font-size: 0.88rem;
}

.quiz__timer {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent-hover);
}

.quiz__timer--warn {
  color: var(--bad);
}

.quiz__score {
  color: var(--accent-hover);
  font-weight: 700;
}

.exam-hint {
  max-width: var(--content-max);
  margin: 0 auto 1.25rem;
  padding: 0 var(--page-pad-x);
}

.exam-hint summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--link);
  padding: 0.4rem 0;
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-sm);
  transition: color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.exam-hint summary:hover {
  color: var(--accent-hover);
  background: rgba(255, 255, 255, 0.03);
}

.exam-hint__body {
  margin-top: 0.75rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.55;
}

.exam-hint__body p {
  margin: 0;
}

.q-card__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.q-card__toolbar label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
  cursor: pointer;
}

.q-card__toolbar input {
  accent-color: var(--accent);
}

.q-card__figure {
  margin: 0 0 1rem;
  text-align: center;
}

.q-card__figure-img {
  display: block;
  width: auto;
  max-width: min(100%, 720px);
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.q-card {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045) 0%, transparent 42%), var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: clamp(1.15rem, 3vw, 1.5rem) clamp(1.1rem, 3vw, 1.5rem);
  min-height: 180px;
  box-shadow: var(--shadow-md), var(--surface-inset), 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.q-card h2 {
  margin: 0 0 1rem;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -0.02em;
  color: var(--text);
}

.opts {
  display: grid;
  gap: 0.65rem;
}

@media (max-width: 540px) {
  .opts {
    gap: 0.75rem;
  }
}

.opt {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.72rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
    transform 0.12s var(--ease-out);
}

.opt:active {
  transform: scale(0.995);
}

.opt:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.opt input {
  margin-top: 0.2rem;
}

.opt--correct {
  border-color: rgba(46, 184, 122, 0.5);
  background: rgba(46, 184, 122, 0.09);
}

.opt--wrong {
  border-color: rgba(224, 112, 118, 0.5);
  background: rgba(224, 112, 118, 0.09);
}

.quiz__nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
}

.feedback {
  margin-top: 1.1rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(107, 163, 245, 0.22);
  background: linear-gradient(165deg, rgba(107, 163, 245, 0.1) 0%, rgba(18, 25, 38, 0.92) 55%);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

.feedback:empty {
  display: none;
}

.quiz-fb-lead {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.quiz-fb-correct {
  margin: 0 0 0.65rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(46, 184, 122, 0.4);
  background: rgba(46, 184, 122, 0.1);
  color: #b8ebd4;
  font-size: 0.98rem;
}

.quiz-fb-explain {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
}

.quiz-deepen {
  margin-top: 1rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(107, 163, 245, 0.22);
  background: linear-gradient(165deg, rgba(107, 163, 245, 0.06) 0%, rgba(18, 25, 38, 0.75) 100%);
}

.quiz-deepen__title {
  margin: 0 0 0.5rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--link);
}

.quiz-deepen__note {
  margin: 0 0 0.65rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.quiz-deepen__source {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--accent-muted);
  border: 1px solid rgba(228, 168, 42, 0.28);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.quiz-deepen__exact {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-left: 4px solid rgba(107, 163, 245, 0.55);
  background: rgba(0, 0, 0, 0.22);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
}

.quiz-deepen__exact p {
  margin: 0;
}

.quiz-deepen__links {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

.quiz-deepen__links a {
  color: var(--link);
}

.conf-prompt {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
}

.confidence-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
}

.conf-btn {
  min-width: 5.5rem;
  touch-action: manipulation;
  transition: transform 0.12s var(--ease-out), filter 0.15s ease;
}

.conf-btn:active {
  transform: scale(0.98);
}

html.a11y-reduce-motion .conf-btn:active {
  transform: none;
}

.conf-cal {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
}

.conf-cal--ok {
  color: rgba(160, 220, 190, 0.95);
}

.conf-cal--warn {
  color: rgba(255, 190, 170, 0.95);
}

.conf-summary {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  line-height: 1.45;
}

.result-verdict {
  display: inline-block;
  margin: 0.5rem 0 0.25rem;
  padding: 0.4rem 0.85rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
}

.result-verdict--ok {
  background: rgba(62, 207, 142, 0.15);
  color: var(--ok);
  border: 1px solid rgba(62, 207, 142, 0.35);
}

.result-verdict--fail {
  background: rgba(240, 113, 120, 0.12);
  color: var(--bad);
  border: 1px solid rgba(240, 113, 120, 0.35);
}

.pretest {
  margin-bottom: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(228, 168, 42, 0.38);
  background: var(--accent-muted);
}

.pretest__label {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.flashcard-wrap {
  margin-top: 1.5rem;
}

.flashcard {
  perspective: 1200px;
  max-width: 560px;
  margin: 0 auto 1.25rem;
  outline: none;
}

.flashcard__inner {
  position: relative;
  min-height: 220px;
  border-radius: var(--radius-lg);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.2, 0.9, 0.2, 1), border-color 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out);
  cursor: pointer;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md), var(--surface-inset);
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .flashcard:hover .flashcard__inner {
    border-color: rgba(147, 184, 255, 0.22);
    box-shadow: var(--shadow-md), var(--surface-inset), 0 0 24px rgba(107, 163, 245, 0.08);
  }
}

.flashcard.is-flipped .flashcard__inner {
  transform: rotateY(180deg);
}

.flashcard__face {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--bg-card);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Evita planos coplanares en algunas GPU (reverso invisible). */
.flashcard__face--front {
  transform: translateZ(1px);
}

.flashcard__face--back {
  transform: rotateY(180deg) translateZ(1px);
  background: #141a28;
  color: #dbe4f4;
}

/* Modos de presentación (Tarjetas del banco) */
.flashcard-wrap.fc-mode--front-only .flashcard__inner,
.flashcard-wrap.fc-mode--both .flashcard__inner {
  transform: none !important;
  transition: none;
  cursor: default;
  min-height: auto;
}

.flashcard-wrap.fc-mode--front-only .flashcard.is-flipped .flashcard__inner,
.flashcard-wrap.fc-mode--both .flashcard.is-flipped .flashcard__inner {
  transform: none !important;
}

.flashcard-wrap.fc-mode--both .flashcard__inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flashcard-wrap.fc-mode--both .flashcard__face {
  position: relative;
  inset: auto;
  transform: none !important;
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  min-height: 8rem;
}

.flashcard-wrap.fc-mode--both .flashcard__face--back {
  border-top: 1px dashed var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
}

.flashcard-wrap.fc-mode--both .flashcard__face--front {
  border-radius: var(--radius) var(--radius) 0 0;
}

.flashcard-wrap.fc-mode--front-only .flashcard__face--back {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.fc-topic-line {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  line-height: 1.35;
  width: 100%;
}

.fc-topic-id {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.78em;
  opacity: 0.9;
}

.fc-stem {
  font-size: 1rem;
  line-height: 1.45;
}

.fc-schedule-detail {
  margin: 0.35rem 0 0;
  max-width: 42rem;
  font-size: 0.86rem;
  line-height: 1.45;
}

.panel__row--recovery {
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.quiz-kbd-hint {
  margin-top: 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.12);
  padding: 0 0.85rem;
}

.quiz-kbd-hint summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.45rem 0;
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
  color: var(--muted);
  list-style: none;
  border-radius: var(--radius-sm);
  transition: color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.quiz-kbd-hint summary:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

.quiz-kbd-hint summary::-webkit-details-marker {
  display: none;
}

.quiz-kbd-hint__body {
  margin: 0 0 0.65rem;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.45;
}

.quiz-kbd-hint__body kbd {
  font-size: 0.85em;
}

.quiz-fb-hint {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.quiz-fb-hint a {
  color: var(--accent);
}

.fc-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.fc-flip-hint {
  margin: 0 auto 0.85rem;
  max-width: 560px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--muted);
}

.route-panel {
  margin-top: 2.25rem;
  padding: clamp(1.1rem, 3vw, 1.45rem) clamp(1.05rem, 3vw, 1.45rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.035) 0%, transparent 45%), var(--bg-elev);
  box-shadow: var(--shadow-md), var(--surface-inset);
}

.route-panel__title {
  margin: 0 0 0.85rem;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.route-steps {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.route-steps a {
  font-weight: 600;
}

.normativa-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.pill {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out), background 0.2s var(--ease-out),
    box-shadow 0.2s var(--ease-out), transform 0.12s var(--ease-out);
}

.pill:active {
  transform: scale(0.98);
}

html.a11y-reduce-motion .pill:active {
  transform: none;
}

.pill:hover {
  border-color: rgba(147, 184, 255, 0.35);
  color: var(--link);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-sm);
}

.part-card--hero {
  border-color: rgba(228, 168, 42, 0.28);
}

.part-card__lead {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.normativa-stack {
  display: grid;
  gap: 1.25rem;
}

.normativa-stack__title {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.muted {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem var(--page-pad-x) max(3rem, calc(1.25rem + env(safe-area-inset-bottom))) var(--page-pad-x);
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(9, 12, 17, 0.35) 0%, transparent 100%);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-footer p {
  margin: 0;
  max-width: 75ch;
}

.footer-note {
  max-width: 42rem;
  margin-inline: auto;
  text-align: center;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.5;
}

.footer-host {
  margin: 0 0 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.footer-host a {
  color: var(--accent-hover);
  text-decoration: none;
}

.footer-host a:hover {
  text-decoration: underline;
}

.footer-sources-drawer {
  margin-top: 0.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.03) 0%, transparent 45%), var(--bg-elev);
  box-shadow: var(--shadow-sm), var(--surface-inset);
  overflow: hidden;
}

.footer-sources-drawer__summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--link);
  transition: color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.footer-sources-drawer__summary::-webkit-details-marker {
  display: none;
}

.footer-sources-drawer__summary:hover {
  color: var(--accent-hover);
  background: rgba(255, 255, 255, 0.04);
}

.footer-sources-drawer__summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.footer-sources-drawer[open] .footer-sources-drawer__summary {
  border-bottom: 1px solid var(--line);
  color: var(--text-secondary);
}

.footer-sources-drawer__body {
  padding: 0.85rem 1rem 1rem;
}

.footer-sources-drawer__intro {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.55;
  max-width: 72ch;
}

.footer-sources-drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.footer-sources-drawer__list li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}

.footer-sources-drawer__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.footer-sources-drawer__list a {
  font-weight: 600;
}

/* ---------- Accesibilidad (clases en <html>) ---------- */
html.a11y-large-text {
  font-size: 112.5%;
}

html.a11y-wide-lines {
  --body-line-height: 1.8;
}

html.a11y-high-contrast {
  --line: rgba(255, 255, 255, 0.24);
  --line-strong: rgba(255, 255, 255, 0.32);
  --text: #f6f8fd;
  --muted: #c8d0e2;
}

html.a11y-reduce-motion {
  scroll-behavior: auto;
}

html.a11y-reduce-motion .flashcard__inner {
  transition-duration: 0.01ms !important;
}

@media (prefers-reduced-motion: reduce) {
  .flashcard__inner {
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Panel accesibilidad (cabecera) ---------- */
.a11y-toolbar {
  flex: 1 1 100%;
  margin: 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 721px) {
  .a11y-toolbar {
    flex: 0 0 auto;
    max-width: min(100%, 340px);
    margin-left: auto;
    padding-top: 0;
    border-top: none;
  }
}

.a11y-toolbar__summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--focus);
  list-style: none;
}

.a11y-toolbar__summary::-webkit-details-marker {
  display: none;
}

.a11y-toolbar__body {
  margin-top: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.a11y-toolbar__intro {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.a11y-toolbar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.a11y-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}

.a11y-check input {
  margin-top: 0.2rem;
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
  accent-color: var(--focus);
}

.a11y-toolbar__summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- Responsive: toques y móvil ---------- */
@media (max-width: 768px) {
  .btn,
  .nav-toggle,
  .pill,
  .conf-btn {
    min-height: 2.75rem;
  }

  .btn {
    padding: 0.75rem 1.15rem;
  }

  .nav-toggle {
    padding: 0.5rem 0.95rem;
  }

  select,
  textarea {
    min-height: 2.75rem;
  }

  .opt {
    padding: 0.85rem 0.95rem;
    min-height: 2.75rem;
    align-items: center;
  }

  .opt input {
    margin-top: 0;
  }

  .quiz__nav {
    flex-direction: column-reverse;
    gap: 0.65rem;
  }

  .quiz__nav .btn {
    width: 100%;
  }

  .quiz__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz__stats {
    text-align: left;
  }

  .fc-actions .btn {
    flex: 1 1 auto;
    min-width: min(100%, 12rem);
  }

  .method-card summary {
    min-height: var(--touch-target);
    align-items: center;
  }

  .a11y-toolbar__summary {
    min-height: var(--touch-target);
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.25rem;
    border-radius: var(--radius-sm);
  }
}

.pill:focus-visible,
.method-card summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.btn,
.nav-toggle,
.opt,
.pill,
.conf-btn {
  -webkit-tap-highlight-color: rgba(147, 184, 255, 0.14);
}

/* ---------- Temario ampliado (resúmenes + tarjetas) ---------- */
.temario-toolbar {
  margin-bottom: 1rem;
}

.temario-toolbar label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.temario-toolbar.panel {
  padding: 0.85rem 1rem;
}

.temario-toolbar__input {
  width: 100%;
  max-width: 28rem;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1rem;
}

@media (max-width: 721px) {
  .temario-toolbar__input {
    min-height: 2.75rem;
    max-width: none;
    font-size: 1.02rem;
  }
}

.block-list--temario {
  gap: 1rem;
}

.block-list--temario > li.temario-block {
  display: block;
  padding: 1rem 1.1rem;
}

.temario-block__head {
  margin-bottom: 0.65rem;
}

.temario-block__title {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
  color: var(--text);
}

.temario-block__hint {
  display: block;
  font-size: 0.92rem;
  color: var(--muted);
}

.temario-block__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 0.35rem 0 0.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.temario-block__count {
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: rgba(126, 182, 255, 0.1);
  border: 1px solid rgba(126, 182, 255, 0.25);
  color: #c8daf8;
}

.temario-block__progress {
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: rgba(62, 207, 142, 0.08);
  border: 1px solid rgba(62, 207, 142, 0.28);
  color: #b8ebd4;
}

.temario-study {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.temario-method-tip {
  margin: 0 0 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  background: rgba(126, 182, 255, 0.07);
  border: 1px solid rgba(126, 182, 255, 0.22);
  font-size: 0.88rem;
  line-height: 1.45;
  color: #dbe6ff;
}

.temario-details {
  margin-bottom: 0.6rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.12);
  padding: 0 0.75rem;
}

.temario-details summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 0;
  color: var(--accent);
  list-style: none;
}

.temario-details summary::-webkit-details-marker {
  display: none;
}

.temario-details summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.temario-details[open] summary {
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.5rem;
}

.temario-details .temario-list {
  margin: 0 0 0.65rem;
  padding-left: 1.15rem;
  color: #d0d8ea;
  font-size: 0.92rem;
  line-height: 1.5;
}

.temario-list--compact li {
  margin-bottom: 0.2rem;
}

.temario-fc-block {
  margin: 0.75rem 0;
}

.temario-fc-head {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.temario-fc-grid {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
}

.temario-flipcard {
  perspective: 900px;
  min-height: 130px;
  outline: none;
}

.temario-flipcard__inner {
  position: relative;
  min-height: 120px;
  border-radius: 12px;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.2, 0.9, 0.2, 1);
  cursor: pointer;
  border: 1px solid var(--line);
}

.temario-flipcard.is-flipped .temario-flipcard__inner {
  transform: rotateY(180deg);
}

.temario-flipcard__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 12px;
  padding: 1rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.88rem;
  line-height: 1.4;
  background: var(--bg-card);
}

.temario-flipcard__face--back {
  transform: rotateY(180deg);
  background: #141a28;
  color: #dbe4f4;
  font-weight: 600;
}

.temario-flipcard:focus-visible .temario-flipcard__inner {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.temario-sources {
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.temario-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  margin: 0.75rem 0 0;
}

.btn--sm {
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  .temario-flipcard__inner {
    transition: none !important;
  }
}

html.a11y-reduce-motion .temario-flipcard__inner {
  transition: none !important;
}