html, body {
  height: 100%;
}

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.app-sidebar {
  width: 240px;
  height: 100vh;
  background: var(--ask-primary);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s ease;
}

.app-sidebar.collapsed {
  width: 64px;
}

.app-sidebar.collapsed .sb-label,
.app-sidebar.collapsed .sb-group-label {
  display: none;
}

.app-sidebar.collapsed .sb-row {
  justify-content: center;
}

.app-main {
  flex: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.app-topbar {
  background: var(--ask-bg-content);
  border-bottom: 1px solid var(--ask-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-content {
  padding: 1.5rem;
  flex: 1;
  overflow-y: auto;
}

.sb-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sb-logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px;
}

.sb-logo-badge img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.sb-brand {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
}

.sb-espace-actif {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sb-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem 0.5rem;
}

.sb-group {
  margin-bottom: 0.85rem;
}

.sb-group-label {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.45);
  padding: 0 0.5rem 0.25rem;
  text-transform: uppercase;
}

.sb-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.5rem;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.85rem;
}

.sb-row i {
  font-size: 1rem;
  width: 1rem;
  flex-shrink: 0;
}

.sb-row:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.sb-row.active {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-left: 3px solid #fff;
  padding-left: calc(0.5rem - 3px);
}

.sb-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem;
}