.view {
  min-height: 100vh;
  display: flex;
}

/* ---- Sidebar shell ---- */
.app-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-primary-900);
  color: var(--color-neutral-100);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  overflow-y: auto;
  transition: transform var(--transition-base);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand .logo {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.sidebar-brand .name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-0);
  line-height: 1.1;
}

.sidebar-brand .tagline {
  font-size: var(--font-size-xs);
  color: var(--color-primary-200);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-section-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-300);
  padding: var(--space-4) var(--space-3) var(--space-2);
  font-weight: var(--font-weight-semibold);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-neutral-100);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: background var(--transition-fast), color var(--transition-fast);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: var(--color-neutral-0);
}

.nav-item.active {
  background: var(--color-primary-600);
  color: var(--color-neutral-0);
}

.nav-item .icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: var(--font-size-xs);
  color: var(--color-primary-200);
}

/* ---- Main content ---- */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-neutral-200);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  min-height: 60px;
}

.topbar .menu-toggle {
  display: none;
}

.topbar-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
}

.topbar-spacer { flex: 1; }

.content {
  padding: var(--space-6);
  flex: 1;
  max-width: 1100px;
  width: 100%;
}

.content-wide { max-width: 1400px; }

.page-header {
  margin-bottom: var(--space-6);
}

.page-header h1 {
  margin-bottom: var(--space-2);
}

.page-header .subtitle {
  color: var(--color-neutral-500);
  font-size: var(--font-size-sm);
}

/* ---- Auth shell (no sidebar) ---- */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-aside {
  background: var(--color-primary-800);
  color: var(--color-neutral-100);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-9);
}

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

/* ---- Mobile sidebar overlay ---- */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,24,27,0.45);
  z-index: 45;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.open { display: block; }
  .main { margin-left: 0; }
  .topbar .menu-toggle {
    display: inline-flex;
  }
  .content { padding: var(--space-5); }
}

@media (max-width: 640px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}