html, body { height: 100%; }
body { background: #f6f7fb; }

.sidebar-col { background: #fff; }
.sidebar-shell { height: calc(100vh - 56px); }
.offcanvas-lg.sidebar-shell { position: sticky; top: 56px; }

.menu-card { border: 0; margin-bottom: .5rem; border-radius: 1rem; overflow: hidden; background: #fff; }
.accordion-button {
  font-weight: 700;
  border-radius: 1rem;
}
.accordion-button:focus { box-shadow: none; }

.menu-links .list-group-item {
  border: 0;
  border-radius: .75rem;
  margin: .15rem .35rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}
.menu-links .list-group-item.active {
  font-weight: 800;
}

.img-thumb { width: 120px; height: 90px; object-fit: cover; border-radius: .5rem; }
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;

  height: 28px;
  background: #111827;        /* dunkler Akzent */
  color: #e5e7eb;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 12px;
  z-index: 1030;              /* über Content, unter Modals */
}

.app-footer a {
  color: #60a5fa;             /* dezentes Blau */
  text-decoration: none;
  font-weight: 600;
  margin-left: 4px;
}

.app-footer a:hover {
  text-decoration: underline;
}
main {
  padding-bottom: 40px; /* Platz für Footer */
}