body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--hero-glow);
  pointer-events: none;
  z-index: 0;
}

.shell,
.minimal-shell,
.admin-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
}

.shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
}

.header,
.minimal-header,
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: var(--border-width) solid var(--border);
}

.header-brand,
.minimal-brand,
.admin-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.header-brand h1,
.minimal-brand h1,
.admin-brand h1 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.brand-mark::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  box-shadow: 0 0 0 6px var(--accent-ring);
}

.header-subtitle,
.admin-subtitle,
.minimal-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.settings-bar {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-panel-muted);
  border-bottom: var(--border-width) solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.history-layer,
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
}

.history-layer {
  display: flex;
  flex-direction: column;
  background: var(--bg-app);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.history-layer.show {
  transform: translateX(0);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: var(--border-width) solid var(--border);
  background: var(--bg-panel);
}

.history-header-spacer {
  width: 38px;
}

.history-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm) var(--space-md) var(--space-xl);
}

.modal-overlay {
  display: none;
  align-items: flex-end;
  justify-content: center;
  background: var(--modal-backdrop);
}

.modal-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: -1;
}

.modal-overlay.show {
  display: flex;
}

.minimal-shell,
.admin-shell {
  background: var(--bg-app);
}

.minimal-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  height: 100dvh;
}

.admin-shell {
  display: grid;
  grid-template-rows: auto 1fr;
}

.admin-main {
  overflow-y: auto;
  padding: 18px 16px 32px;
}

.admin-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 980px) {
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}