.app-layout {
  display: flex;
  
  min-height: calc(100vh - var(--nav-height));
}

.app-content {
  flex: 1;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  width: 100%;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.sidebar-hint {
  color: var(--text-faint);
  font-size:14px;
  padding: 0 16px;
  line-height: 1.5;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size:15px;
  font-weight: 500;
  white-space: nowrap;
}
.sidebar-link:hover { background: var(--bg-raised); color: var(--text-primary); }
.sidebar-link.active {
  background: rgba(145, 70, 255, 0.12);
  color: var(--text-primary);
  font-weight: 700;
  border-right: 3px solid var(--accent);
}
.sidebar-link .sidebar-icon { font-size:17px; width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-label { overflow: hidden; text-overflow: ellipsis; }

.sidebar-section-label {
  padding: 14px 16px 6px 16px;
  color: var(--text-faint);
  font-size:13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-section-label:first-of-type { padding-top: 0; }

@media (max-width: 900px) and (hover: hover) and (pointer: fine) {
  /* Sidebar bleibt durchgehend position:absolute (nicht erst bei :hover), sonst Reflow-Wobbeln beim Content */
  .app-layout {
    position: relative;
    padding-left: 64px;
  }
  .sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 64px;
    transition: width 0.15s ease;
    z-index: 50;
  }
  .sidebar .sidebar-label,
  .sidebar .sidebar-section-label {
    opacity: 0;
    width: 0;
  }
  .sidebar .sidebar-link { justify-content: center; padding: 8px 0; }

  .sidebar:hover {
    width: 240px;
    box-shadow: 8px 0 24px rgba(0,0,0,0.5);
  }
  .sidebar:hover .sidebar-label,
  .sidebar:hover .sidebar-section-label {
    opacity: 1;
    width: auto;
  }
  .sidebar:hover .sidebar-link { justify-content: flex-start; padding: 8px 16px; }
}

@media (max-width: 900px) and (not (hover: hover)) {
  .app-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .app-content {
    min-width: 0;
    width: 100%;
    padding: 20px 16px;
  }
}