.ds-app-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.ds-sidebar {
  background: var(--vapy-dark);
  color: #fff;
  width: 260px;
  min-height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-3);
}

.ds-sidebar-item {
  padding: 10px 12px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: var(--transition-fast);
}

.ds-sidebar-item:hover {
  background: rgba(242, 232, 42, 0.2);
  color: #fff;
}

.ds-sidebar-item.is-active {
  background: var(--vapy-yellow);
  color: var(--vapy-dark);
}

.ds-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-3) var(--space-4);
}

.ds-content {
  width: 100%;
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: var(--layout-padding);
}

.ds-grid {
  display: grid;
  gap: var(--grid-gap);
}

.ds-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ds-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ds-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1200px) {
  .ds-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .ds-app-layout { grid-template-columns: 1fr; }
  .ds-sidebar {
    position: fixed;
    left: -280px;
    z-index: 70;
    transition: left .2s ease;
  }
  .ds-sidebar.is-open { left: 0; }
  .ds-content { padding: var(--space-3); }
}

@media (max-width: 680px) {
  .ds-grid-2,
  .ds-grid-3,
  .ds-grid-4 {
    grid-template-columns: 1fr;
  }
}