/* Shell do app: sidebar fixa em telas largas, barra no topo em telas
   estreitas (<900px). */

#login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

#app-shell {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}

#sidebar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
  overflow-x: auto;
}

#sidebar .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  white-space: nowrap;
}

#sidebar .nav {
  display: flex;
  flex-direction: row;
  gap: 4px;
  flex: 1;
}

#sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 600;
}

#sidebar .nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

#sidebar .nav-link.active {
  color: var(--text);
  background: rgba(124, 58, 237, 0.18);
}

#sidebar .nav-link svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

#view {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 24px 16px 64px;
}

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

@media (min-width: 900px) {
  #app-shell {
    grid-template-columns: var(--sidebar-w) 1fr;
  }

  #sidebar {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    height: 100vh;
    border-bottom: none;
    border-right: 1px solid var(--border);
    padding: 20px 14px;
    gap: 24px;
    overflow-x: visible;
  }

  #sidebar .nav {
    flex-direction: column;
    flex: 1;
  }

  .sidebar-footer {
    flex-direction: column;
    align-items: stretch;
  }
}