/* ============================================================
   datenblätter.css – Datenblätter-Panel, Kategorien, PDF
   ============================================================ */

.db-layout {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Kategorie-Sidebar */
.db-kategorien {
  width: 220px;
  background: var(--card);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  padding: 12px 0;
}
.db-kat-gruppe { margin-bottom: 4px; }
.db-kat-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 16px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-left: 3px solid transparent;
  transition: background 0.12s;
}
.db-kat-btn:hover  { background: #f9fafb; }
.db-kat-btn.active { background: var(--accent-dim); color: var(--accent); border-left-color: var(--accent); }

.db-kat-kinder { padding-left: 8px; }
.db-kat-kind-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.12s;
}
.db-kat-kind-btn:hover  { background: #f9fafb; color: var(--text); }
.db-kat-kind-btn.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

/* Dokumentenliste */
.db-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.db-liste {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.db-doc-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.db-doc-item:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(26,107,255,0.08);
}
.db-doc-item__icon { width: 28px; height: 28px; color: #dc2626; flex-shrink: 0; }
.db-doc-item__name { font-size: 13px; font-weight: 500; color: var(--text); }

/* PDF-Viewer */
.db-viewer {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.db-viewer__bar {
  height: 44px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  flex-shrink: 0;
}
.db-viewer__zurueck {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.db-viewer__zurueck:hover { color: var(--accent); }
.db-viewer__name { font-size: 12px; font-weight: 600; color: var(--text); }
.db-viewer__iframe {
  flex: 1;
  border: none;
  background: #525659;
}