/*
 * Componentes — cabecera, navegación, pie, ticker, tarjetas de profesor,
 * bloques de oposición.
 */

/* ---------- Cabecera ---------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.site-header .navbar-brand img {
  height: 44px;
  width: auto;
}

.site-header .nav-link {
  font-weight: 600;
  color: var(--color-text);
  padding-inline: 0.85rem;
  border-radius: var(--radius-sm);
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.site-header .nav-link.nav-link--cta {
  background: var(--color-accent);
  color: #0d2b0a;
}

.site-header .nav-link.nav-link--cta:hover {
  background: var(--ceta-green-600);
  color: #0d2b0a;
}

/* ---------- Ticker de aviso ---------- */
.announce-bar {
  background: var(--color-primary-dark);
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  font-size: var(--fs-sm);
}

.announce-bar__track {
  display: inline-block;
  padding-left: 100%;
  animation: announce-scroll 32s linear infinite;
}

.announce-bar a {
  color: #fff;
  text-decoration: underline;
}

@keyframes announce-scroll {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(-100%, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .announce-bar__track {
    animation: none;
    padding-left: 1rem;
  }
}

/* ---------- Pie ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #eaf3f2;
}

.site-footer a {
  color: #eaf3f2;
}

.site-footer a:hover {
  color: var(--color-warning);
}

.site-footer .site-footer__logo {
  height: 36px;
  width: auto;
}

.site-footer hr {
  border-color: rgba(255, 255, 255, 0.15);
}

/* ---------- Hero de página (sustituye a los GIF de título) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg) 70%);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  margin-bottom: 0.25rem;
}

.breadcrumb-hero {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.breadcrumb-hero a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb-hero a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.breadcrumb-hero__sep {
  margin: 0 0.5em;
  color: var(--color-border);
}

/* ---------- Tarjetas de profesor ---------- */
.professor-card {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: var(--space-3);
  height: 100%;
}

.professor-card__name {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  margin-bottom: 0.2rem;
}

.professor-card__icon {
  color: var(--color-accent-dark);
  flex: none;
  margin-top: 0.2rem;
}

/* ---------- Bloque de oposición ---------- */
.oposicion-bloque .badge-grupo {
  background: var(--color-accent);
  color: #0d2b0a;
}

.oposicion-bloque dt {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--fs-sm);
  margin-top: var(--space-4);
}

.oposicion-bloque dt:first-of-type {
  margin-top: var(--space-3);
}

.oposicion-bloque dd {
  margin-left: 0;
}

/* ---------- Menú móvil ---------- */
.nav-toggle {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
}

.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  margin: 4px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ---------- Acordeón nativo (details/summary) ---------- */
.accordion-native summary {
  cursor: pointer;
  list-style: none;
  color: var(--color-primary-dark);
  padding: 0.25rem 0;
}

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

.accordion-native summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--color-accent-dark);
  font-weight: 700;
}

.accordion-native details[open] summary::before {
  content: "\2212";
}

.accordion-native a {
  text-decoration: none;
}

.accordion-native a:hover {
  text-decoration: underline;
}

/* ---------- Honeypot anti-spam (invisible pero accesible a bots) ---------- */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Aviso de cookies ---------- */
.cookie-notice {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1040;
  background: var(--color-primary-dark);
  color: #eaf3f2;
  padding: var(--space-3) 0;
  box-shadow: 0 -4px 16px rgba(16, 34, 31, 0.15);
}

.cookie-notice a {
  color: #fff;
  text-decoration: underline;
}

/* ---------- Botón "volver arriba" ---------- */
.back-to-top {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 1030;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
}