/* ── Nav Extras: Recent dropdown ── */
.recent-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 260px;
  max-width: 380px;
  background: var(--bg-el);
  border: 1px solid var(--border-h);
  border-radius: var(--r-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 200;
  overflow: hidden;
  font-size: 0.82rem;
}
.recent-dropdown.hidden { display: none; }
.recent-dropdown-header {
  padding: 7px 12px 5px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
}
.recent-dropdown a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  color: var(--text-2);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background var(--t), color var(--t);
}
.recent-dropdown a:hover { background: var(--border); color: var(--text-1); }
.recent-dropdown a svg { flex-shrink: 0; color: var(--yellow); }
.recent-dropdown-empty {
  padding: 10px 12px;
  color: var(--text-3);
  font-size: 0.8rem;
}

/* Recent button */
#recent-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  color: var(--text-3);
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--t);
  white-space: nowrap;
  flex-shrink: 0;
}
#recent-btn:hover { color: var(--text-1); border-color: var(--border-h); }
#recent-btn.active { color: var(--accent); border-color: var(--accent); }

/* Breadcrumb copy cursor hint */
.crumb-copy {
  cursor: pointer;
}
.crumb-copy:hover::after {
  content: ' 📋';
  font-size: 0.7em;
  opacity: 0.6;
}

/* ── Bookmarks ── */
.card-star {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: rgba(0,0,0,0.5);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t), background var(--t);
  z-index: 2;
  border: none;
  color: var(--text-3);
  font-size: 0.7rem;
  line-height: 1;
  backdrop-filter: blur(4px);
}
.card:hover .card-star { opacity: 1; }
.card-star.starred { opacity: 1; color: var(--yellow); }
.card-star:hover { background: rgba(0,0,0,0.7); color: var(--yellow); }

/* Sidebar bookmark + recent panels */
.nav-sidebar-section {
  padding: 8px 0 4px;
  border-bottom: 1px solid var(--border);
}
.nav-sidebar-section-title {
  padding: 4px 12px 6px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-sidebar-section-title button {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 0.68rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: color var(--t);
}
.nav-sidebar-section-title button:hover { color: var(--accent); }
.nav-sidebar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background var(--t), color var(--t);
  border-radius: 0;
}
.nav-sidebar-item:hover { background: var(--border); color: var(--text-1); }
.nav-sidebar-item svg { flex-shrink: 0; }
.nav-sidebar-empty {
  padding: 5px 12px;
  color: var(--text-3);
  font-size: 0.76rem;
}

/* ── Back / Forward navigation buttons ── */
.nav-hist-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  color: var(--text-2);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.nav-hist-btn:hover:not(:disabled) {
  background: var(--bg-el);
  border-color: var(--border);
  color: var(--text-1);
}
.nav-hist-btn:disabled { opacity: 0.3; cursor: not-allowed; }