/* ==========================================================================
   Design de la page des tags (/{slug}-tag et /tag/{slug})
   Conforme a la charte visuelle de production : pur CSS, sans CDN externe,
   compatible Dark/Light theme, boutons d'action rouge (< 250 lignes)
   ========================================================================== */

/* Banniere d'en-tete du tag */
.tag-banner {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.tag-banner::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--ac);
}
.tag-banner-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.tag-banner-title {
  display: flex;
  align-items: center;
  gap: .85rem;
}
.tag-banner-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: var(--ac);
  color: #ffffff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--ac-soft);
}
.tag-banner-icon svg { width: 1.4rem; height: 1.4rem; }
.tag-banner-title h1 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--tx);
  text-transform: capitalize;
}
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  background: var(--ac-soft);
  color: var(--ac-tx);
  border: 1px solid var(--line);
}
.tag-desc {
  padding-top: .75rem;
  border-top: 1px solid var(--line);
  color: var(--mu);
  font-size: .925rem;
  line-height: 1.55;
  max-width: 55rem;
}

/* Barre de filtres et tri */
.tag-toolbar {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: .75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.25rem;
}
.tag-filters-group { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.tag-select-wrapper { display: inline-flex; align-items: center; gap: .5rem; }
.tag-select-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--tx);
  text-transform: uppercase;
  letter-spacing: .03em;
}
.tag-select {
  background: var(--bg);
  color: var(--tx);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .35rem .75rem;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.tag-select:focus {
  border-color: var(--ac);
  box-shadow: 0 0 0 3px var(--ac-soft);
  outline: none;
}
.tag-reset-link {
  font-size: .825rem;
  font-weight: 700;
  color: var(--ac);
  transition: opacity .15s;
}
.tag-reset-link:hover { text-decoration: underline; opacity: .85; }

/* Volet lateral des tags */
.tag-sidebar {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.25rem;
  position: sticky;
  top: calc(var(--hh) + 1.5rem);
}
.tag-sidebar-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
}
.tag-sidebar-header h2 {
  font-size: .95rem;
  font-weight: 800;
  color: var(--tx);
  letter-spacing: -.01em;
}
.tag-sidebar-header svg { width: 1.1rem; height: 1.1rem; color: var(--ac); }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  max-height: 38rem;
  overflow-y: auto;
  padding-right: .25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.tag-cloud-item {
  display: inline-flex;
  align-items: center;
  padding: .35rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  background: var(--s2);
  color: var(--tx);
  border: 1px solid var(--line);
  transition: background .15s, color .15s, border-color .15s;
}
.tag-cloud-item:hover {
  background: var(--ac-soft);
  border-color: var(--ac);
  color: var(--ac-tx);
}
.tag-cloud-item.is-active {
  background: var(--ac);
  color: #ffffff;
  border-color: var(--ac);
  font-weight: 700;
  box-shadow: 0 2px 8px var(--ac-soft);
}

/* Etat vide (aucun enregistrement) */
.tag-empty {
  background: var(--s1);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 3rem 1.5rem;
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
}
.tag-empty-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--ac-soft);
  color: var(--ac);
  display: grid;
  place-items: center;
}
.tag-empty-icon svg { width: 1.8rem; height: 1.8rem; }
.tag-empty h2 { font-size: 1.3rem; font-weight: 800; color: var(--tx); }
.tag-empty p { color: var(--mu); font-size: .9rem; max-width: 28rem; margin: 0 auto; }
.tag-empty-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.4rem;
  border-radius: 999px;
  background: var(--ac);
  color: #ffffff;
  font-size: .85rem;
  font-weight: 700;
  transition: filter .15s, transform .15s;
}
.tag-empty-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }