.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  z-index: var(--z-sidebar);
  top: 0;
  display: flex;
  width: var(--sidebar-width);
  height: 100vh;
  min-height: 38rem;
  flex-direction: column;
  overflow-y: auto;
  border-right: 1px solid var(--color-border);
  background: var(--color-white);
}

.sidebar__header {
  display: flex;
  min-height: var(--topbar-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.sidebar__body {
  flex: 1;
  padding: var(--space-5) var(--space-4);
}

.sidebar__footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.sidebar__close {
  display: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  line-height: 1;
}

.brand__logo {
  display: block;
  width: 3.1rem;
  height: 2.45rem;
  object-fit: contain;
  object-position: left center;
}

.sidebar-overlay {
  display: none;
}

.app-stage {
  min-width: 0;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: grid;
  height: var(--topbar-height);
  align-items: center;
  gap: clamp(var(--space-3), 2vw, var(--space-6));
  padding: 0 clamp(var(--space-5), 3vw, var(--space-8));
  border-bottom: 1px solid rgb(225 230 237 / 90%);
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(14px);
  grid-template-columns: minmax(13rem, 0.9fr) minmax(14rem, 1.1fr) auto;
}

.topbar__start,
.topbar__end {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
}

.topbar__end {
  justify-content: flex-end;
}

.menu-toggle,
.topbar__mobile-brand {
  display: none;
}

.page-wrap {
  width: min(100%, var(--content-max));
  padding: clamp(var(--space-6), 4vw, var(--space-12)) clamp(var(--space-5), 3vw, var(--space-10));
  margin: 0 auto;
}

.page-stack {
  display: grid;
  gap: var(--space-6);
}

.page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
}

.page-heading__copy {
  max-width: 52rem;
}

.page-heading__copy p {
  max-width: 46rem;
  margin-bottom: 0;
  color: var(--color-ink-600);
  font-size: var(--text-lg);
}

.page-heading__actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
}

.metrics-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-grid {
  display: grid;
  align-items: start;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1.65fr) minmax(18rem, 0.75fr);
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.login-page {
  display: grid;
  min-height: 100vh;
  padding: clamp(var(--space-5), 4vw, var(--space-12));
  background:
    radial-gradient(circle at 8% 10%, rgb(43 112 247 / 10%), transparent 32rem),
    radial-gradient(circle at 92% 88%, rgb(10 149 135 / 9%), transparent 30rem),
    var(--color-canvas);
  grid-template-rows: auto 1fr auto;
}

.login-page__header,
.login-page__footer {
  display: flex;
  width: min(100%, 76rem);
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.login-page__header .brand__logo {
  width: 4.2rem;
  height: 3.3rem;
}

.login-page__main {
  display: grid;
  width: min(100%, 76rem);
  align-items: center;
  padding: var(--space-10) 0;
  margin: 0 auto;
  gap: clamp(var(--space-8), 7vw, var(--space-16));
  grid-template-columns: minmax(0, 1.1fr) minmax(22rem, 0.8fr);
}

.login-intro {
  max-width: 38rem;
}

.login-intro h1 {
  max-width: 34rem;
  font-size: clamp(2.45rem, 5vw, 4.6rem);
}

.login-intro > p {
  max-width: 34rem;
  color: var(--color-ink-600);
  font-size: var(--text-lg);
}

.login-page__footer {
  color: var(--color-ink-500);
  font-size: var(--text-xs);
}

.boot-screen {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--color-ink-600);
}

.boot-screen p {
  margin: 0;
}