/* Styles propres a La Frontiere. Reutilise les variables --paper, --ink,
   --muted, --teal, --teal-dark, --green, --amber, --line, --white
   definies dans ../styles.css (charge avant ce fichier). */

.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;
}

.frontiere-hero {
  padding: 3rem 4rem 2rem;
}

.frontiere-hero h1 {
  max-width: none;
  color: var(--heading);
  font-size: var(--fs-h1-frontiere);
  line-height: 1;
}

.frontiere-meta {
  margin-top: 1rem;
  color: var(--teal);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
  font-weight: 700;
}

.frontiere-methode {
  margin-top: 1.5rem;
  max-width: 46rem;
}

.frontiere-methode summary {
  cursor: pointer;
  color: var(--teal);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
  font-weight: 700;
}

.frontiere-methode p {
  margin-top: 0.75rem;
  font-size: var(--fs-sm, 0.95rem);
  line-height: 1.6;
}

.frontiere-liens {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.25rem;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
}

.frontiere-liens a {
  color: var(--heading);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.frontiere-signal {
  position: relative;
  margin: 0 4rem 2rem;
  padding: 1.5rem 1.75rem;
  overflow: hidden;
  background: var(--soft-bg);
  border: 1px solid var(--soft-border);
  border-radius: 6px;
}

.frontiere-signal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--frontier-line);
}

.frontiere-signal h2 {
  margin: 0;
  color: var(--soft-heading);
  font-size: var(--fs-title);
  line-height: 1.2;
}

.frontiere-signal a {
  color: var(--soft-heading);
}

.frontiere-signal-legende {
  margin: 0.5rem 0 0;
  color: var(--soft-heading);
  opacity: 0.75;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
}

.frontiere-stats {
  margin: 0 4rem 2rem;
}

.barres-themes {
  display: grid;
  gap: 0.6rem;
  margin-top: 1rem;
}

.barre-theme {
  display: grid;
  grid-template-columns: 11rem 1fr 2.5rem;
  align-items: center;
  gap: 0.75rem;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
}

.barre-theme-piste {
  height: 10px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.barre-theme-remplissage {
  height: 100%;
  background: var(--teal);
  border-radius: 999px;
}

.barre-theme-valeur {
  color: var(--muted);
  text-align: right;
}

.frontiere-controles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0 4rem 1.5rem;
}

.frontiere-recherche {
  min-width: 16rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: var(--fs-sm);
}

.frontiere-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-2xs);
  font-weight: 700;
  cursor: pointer;
}

.chip[aria-pressed="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.frontiere-flux {
  padding: 0 4rem 2rem;
}

.semaine-titre {
  margin: 1.75rem 0 0.75rem;
  color: var(--teal-dark);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.carte-entree {
  padding: 1.1rem 1.3rem;
  margin-bottom: 0.9rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.carte-entete {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-2xs);
  color: var(--teal);
}

.badge-type {
  padding: 0.15rem 0.5rem;
  background: var(--soft-bg);
  border: 1px solid var(--soft-border);
  border-radius: 4px;
  color: var(--soft-text);
  text-transform: uppercase;
  font-weight: 700;
}

.carte-entree h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-base);
  line-height: 1.25;
}

.carte-entree h3 a {
  color: var(--heading);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.carte-entree p {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.angle-eco {
  font-style: italic;
}

.note-llm {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: var(--fs-2xs);
  font-style: italic;
}

.carte-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  padding: 0.2rem 0.55rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-3xs);
}

.frontiere-vide {
  padding: 2rem 0;
  color: var(--muted);
  font-style: italic;
}

.frontiere-bibliotheque {
  padding: 3.5rem 4rem;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.frontiere-bibliotheque-intro {
  max-width: 42rem;
  color: var(--muted);
}

.accordeon {
  margin-bottom: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.accordeon summary {
  padding: 0.85rem 1.1rem;
  background: var(--paper);
  color: var(--heading);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.accordeon-contenu {
  padding: 0.5rem 1.1rem 1.1rem;
}

.item-bibliotheque {
  padding: 0.65rem 0;
  border-top: 1px solid var(--line);
}

.item-bibliotheque:first-child {
  border-top: none;
}

.item-bibliotheque a {
  color: var(--heading);
  font-weight: 700;
}

.item-bibliotheque p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.frontiere-archives {
  padding: 2.5rem 4rem 4rem;
}

.frontiere-archives-liste {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.frontiere-archives-liste button {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--heading);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  font-size: var(--fs-2xs);
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 980px) {
  .frontiere-hero,
  .frontiere-bibliotheque,
  .frontiere-archives {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .frontiere-hero h1 {
    font-size: var(--fs-h1-frontiere-sm);
  }

  .frontiere-signal,
  .frontiere-stats,
  .frontiere-controles,
  .frontiere-flux {
    margin-left: 1.25rem;
    margin-right: 1.25rem;
    padding-left: 0;
    padding-right: 0;
  }

  .barre-theme {
    grid-template-columns: 7rem 1fr 2rem;
  }
}