/* App shell layout (main content area) */
.app {
  display: flex;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg-shell);
  padding: var(--shell-gap);
  gap: var(--shell-gap);
  box-sizing: border-box;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--shell-gap);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-radius: 0;
  transition: var(--motion-layout);
}

.spa-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  z-index: 400;
  pointer-events: none;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--accent);
}

.spa-progress.is-active {
  opacity: 1;
  animation: spaProgress 1.1s var(--ease) infinite;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: var(--space-2);
  min-height: var(--header-h);
  flex-shrink: 0;
  position: relative;
  z-index: 20;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--r-shell);
  transition: background var(--t-micro) var(--ease), box-shadow var(--t-base) var(--ease);
}

.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar__tools {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.topbar__tools .btn-icon {
  border-color: transparent;
  color: var(--text-muted);
}

.topbar__tools .btn-icon:hover,
.theme-customizer[open] > .theme-customizer__trigger,
.theme-customizer.is-open > .theme-customizer__trigger,
.notify-menu[open] > .topbar__notify,
.notify-menu.is-open > .topbar__notify {
  border-color: transparent;
  background: var(--hover);
  color: var(--text);
}

.topbar__notify {
  position: relative;
}

.topbar__notify-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--danger);
  border: 1.5px solid var(--bg-sidebar);
  pointer-events: none;
}

/* UI prefs — content layout */
:root[data-layout="full"] {
  --content-max: none;
}

:root[data-layout="compact"] {
  --content-max: 1200px;
}

/* UI prefs — scale */
:root[data-scale="sm"] {
  --control-h: 32px;
  --control-font: 13px;
  --header-h: 48px;
  font-size: 14px;
}

:root[data-scale="md"] {
  --control-h: 36px;
  --control-font: 14px;
  --header-h: 52px;
}

:root[data-scale="lg"] {
  --control-h: 40px;
  --control-font: 15px;
  --header-h: 56px;
  font-size: 16px;
  --space-4: 28px;
  --space-5: 36px;
}

/* UI prefs — sidebar variant */
:root[data-sidebar-variant="default"] {
  --shell-gap: 0px;
  --r-shell: 0px;
}

:root[data-sidebar-variant="default"] .app {
  background: var(--bg);
}

:root[data-sidebar-variant="default"] .sidebar,
:root[data-sidebar-variant="default"] .topbar,
:root[data-sidebar-variant="default"] .main-scroll {
  border-radius: 0;
}

:root[data-sidebar-variant="default"] .sidebar {
  border-top: 0;
  border-bottom: 0;
  border-left: 0;
}

:root[data-sidebar-variant="default"] .topbar {
  border-top: 0;
  border-right: 0;
  border-radius: 0;
}

:root[data-sidebar-variant="default"] .main-scroll {
  border-right: 0;
  border-bottom: 0;
  border-radius: 0;
}

:root[data-sidebar-variant="inset"] {
  --shell-gap: 12px;
}

/* UI prefs — sidebar mode width */
:root[data-sidebar-mode="full"] {
  --sidebar-w: 300px;
}

.breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
}

.breadcrumbs__link {
  color: var(--text-muted);
  padding: 0 var(--space-1);
  border-radius: var(--r-md);
  transition: var(--motion-interactive);
}

.breadcrumbs__link:hover {
  background: var(--hover);
  color: var(--text);
  transform: none;
}

.breadcrumbs__current {
  color: var(--text);
  font-weight: 600;
  padding: 0 var(--space-1);
}

.breadcrumbs__sep {
  color: var(--text-dim);
  opacity: 0.55;
  font-size: 16px;
  transition: transform var(--t-fast) var(--ease);
}

.main-scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-shell);
}

.page-content {
  max-width: var(--content-max);
  margin: 0 auto;
  width: 100%;
  padding: var(--space-4) var(--space-3);
  box-sizing: border-box;
  min-width: 0;
}

.page-content--wide { max-width: none; }

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-head__copy {
  min-width: 0;
  flex: 1;
}

.page-head__title {
  font-size: var(--text-h1);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--text-h1-lh);
}

.page-head__subtitle {
  margin-top: var(--space-2);
  font-size: var(--text-body-sm);
  font-weight: 400;
  line-height: var(--text-body-sm-lh);
  color: var(--text-muted);
  letter-spacing: var(--tracking-normal);
}

.page-head__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  padding-bottom: 2px;
}

.page-head__hero {
  font-size: var(--text-hero);
  font-weight: 600;
  line-height: var(--text-hero-lh);
  letter-spacing: var(--tracking-tight);
}

@media (max-width: 640px) {
  .page-head {
    flex-direction: column;
    align-items: stretch;
  }

  .page-head__actions {
    padding-bottom: 0;
  }

  .page-head__actions .btn {
    width: 100%;
  }
}

.backdrop {
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop-bg);
  -webkit-backdrop-filter: var(--modal-backdrop-filter);
  backdrop-filter: var(--modal-backdrop-filter);
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: opacity var(--modal-backdrop-t) var(--modal-backdrop-ease);
  will-change: opacity;
  cursor: pointer;
}

@media (max-width: 768px) {
  .topbar { padding: var(--space-2); }
}

@media (min-width: 769px) {
  #openSidebarBtn { display: none; }
}

/* Mobile-only sticky bottom bar */
.mobile-bottombar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 29; /* below sidebar (z-index: 30) */
  background: var(--bg-sidebar);
  border-top: 1px solid var(--border);
  padding: var(--space-2);
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom));
  gap: var(--space-2);
  justify-content: space-between;
  align-items: center;
}

.mobile-bottombar__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px;
  border-radius: var(--r-md);
  transition: var(--motion-interactive);
}

.mobile-bottombar__link:hover,
.mobile-bottombar__link.is-active {
  background: var(--hover);
  color: var(--text);
}

.mobile-bottombar__menu {
  cursor: pointer;
}

.app:has(#app-modal.is-open) .mobile-bottombar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-bottombar { display: flex; }

  /* Prevent content from being covered by the fixed bar */
  .page-content {
    padding-bottom: calc(var(--space-7) + var(--space-8));
  }

  .app {
    padding: 0;
    gap: 0;
  }

  :root[data-sidebar-variant="inset"] .app {
    padding: 0;
    gap: 0;
  }

  .main {
    gap: 0;
  }

  .topbar,
  .main-scroll {
    border-radius: 0;
  }
}

/* Standalone auth pages (login) */
.standalone-page {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: var(--bg-shell);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  line-height: var(--text-body-sm-lh);
  letter-spacing: var(--tracking-normal);
  -webkit-font-smoothing: antialiased;
}

.standalone-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
}

.login-card__brand {
  text-align: center;
  margin-bottom: var(--space-4);
}

.login-card__logo {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	width: fit-content;
	height: auto;
	margin: 0 auto;
	border-radius: 0;
	background: transparent;
	color: var(--accent);
	margin-bottom: var(--space-3);
}

.login-card__logo img,
.login-card__wordmark {
  display: block;
  height: 46px;
  width: auto;
  /* max-width: 260px; */
  object-fit: contain;
}

.login-card__glyph {
  display: block;
  height: 48px;
  width: auto;
  object-fit: contain;
}

:root[data-theme="dark"] .login-card__logo img,
:root[data-theme="dark"] .login-card__wordmark,
:root[data-theme="dark"] .login-card__glyph {
  filter: brightness(0) invert(1);
}

.login-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.login-card__subtitle {
  margin: var(--space-1) 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.login-card__footer {
  margin: var(--space-4) 0 0;
  text-align: center;
  font-size: 13px;
}

.login-card__footer a {
  color: var(--accent);
  text-decoration: none;
}

.login-card__footer a:hover {
  text-decoration: underline;
}