*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.app-layout {
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--surface-page);
  color: var(--text-primary);
}

.app-layout--flat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
}

.app-menu-link {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.app-menu-link:hover {
  background: var(--surface-menu);
}

.app-menu-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.app-topbar {
  display: flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-page);
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .app-topbar {
    padding: 0 1.5rem;
  }
}

.app-topbar__start,
.app-topbar__end {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.5rem;
}

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

.app-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.app-main {
  padding: 1rem;
}

@media (min-width: 768px) {
  .app-main {
    padding: 1.5rem;
  }
}

.app-account-control {
  position: relative;
}

.app-account-link,
.app-account-button {
  display: inline-flex;
  min-height: 2.5rem;
  max-width: 100%;
  align-items: center;
  gap: 0.5rem;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  padding: 0.5rem 0.625rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.app-account-link:hover,
.app-account-button:hover {
  background: var(--surface-menu);
}

.app-account-link:focus-visible,
.app-account-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.app-account-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
  color: var(--text-muted);
}

.app-account-label {
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 639px) {
  .app-account-label--responsive {
    display: none;
  }
}

.app-account-chevron {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  color: var(--text-muted);
}

.app-account-menu[hidden],
.app-account-menu-error[hidden] {
  display: none;
}

.app-account-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  z-index: 50;
  display: grid;
  gap: 0.25rem;
  min-width: 11rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  padding: 0.25rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.app-account-menu-item {
  display: flex;
  min-height: 2.5rem;
  align-items: center;
  gap: 0.5rem;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.app-account-menu-item:hover {
  background: var(--surface-accent);
}

.app-account-menu-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.app-account-menu-item:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.app-account-menu-icon {
  width: 1rem;
  height: 1rem;
  color: var(--text-muted);
}

.app-account-menu-error {
  margin: 0;
  padding: 0 0.75rem 0.5rem;
  color: var(--state-error-text);
  font-size: 0.875rem;
}