/* ==================================================================================================
   App shell & layouts — owner: design-system agent
   Markup: templates/layouts/app.html, partials/{sidebar,topbar,tabbar,user_menu,workspace_switcher}.html

   .app                    grid: sidebar | main. Modifiers: .is-rail (desktop icon rail, cookie
                           `sidebar=collapsed`), .is-drawer-open (< 1024px off-canvas sidebar open),
                           .has-tabbar (< 768px iOS-style floating tab bar is shown)
   .sidebar …              .sidebar__header / __nav / __footer, .nav-item, .nav-section, .ws-tile
   .topbar                 sticky glass header (.is-scrolled once content scrolls under it)
   .page                   main content area (padding; view-transition-name: page).
                           Modifiers via {% block page_class %}: page--flush (no padding),
                           page--full (fills the viewport height, e.g. boards)
   .tabbar                 mobile floating tab bar
   .view-tabs/.view-tab    project view tabs (animated indicator)
   .settings-layout        settings with side nav (.settings-nav / .settings-nav__item)
   .auth / .auth-card      sign-in pages · .mkt (marketing) · .status-page (errors)
   ================================================================================================== */

/* -- Skip link ------------------------------------------------------------------------------------ */
.skip-link {
  position: fixed;
  z-index: calc(var(--z-progress) + 1);
  top: calc(var(--safe-top) + 8px);
  left: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--text-on-accent);
  font-weight: var(--fw-semibold);
  transform: translateY(-160%);
  transition: transform var(--dur-2) var(--ease-out);
}
.skip-link:focus-visible {
  transform: none;
}

/* -- Top progress bar (htmx requests & page loads) ----------------------------------------------- */
.progress-bar {
  position: fixed;
  z-index: var(--z-progress);
  top: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  pointer-events: none;
  opacity: 0;
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--c-cyan)));
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 60%, transparent);
  transition:
    transform 240ms var(--ease-out),
    opacity 300ms ease 120ms;
}
.progress-bar.is-active {
  opacity: 1;
  transition:
    transform 240ms var(--ease-out),
    opacity 120ms ease;
}

/* -- App grid ------------------------------------------------------------------------------------ */
.app {
  min-height: 100vh;
  min-height: 100dvh;
}
.app__main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

@media (min-width: 1024px) {
  .app {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  }
  .app.is-rail {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
  }
  .app.is-animating {
    transition: grid-template-columns var(--dur-3) var(--ease-out);
  }
}

/* -- Sidebar ------------------------------------------------------------------------------------- */
.sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg-sidebar);
  view-transition-name: sidebar;
}
.sidebar__header {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 60px;
  padding: 12px 10px 8px;
}
.sidebar__nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 4px 10px 16px;
  scrollbar-width: none;
}
.sidebar__nav:hover {
  scrollbar-width: thin;
}
.sidebar__footer {
  padding: 8px 10px 12px;
  border-top: 1px solid var(--line);
}
.sidebar__close {
  margin-left: auto;
}

@media (min-width: 1024px) {
  .sidebar {
    position: sticky;
    top: 0;
    z-index: var(--z-sidebar);
    height: 100vh;
    height: 100dvh;
    border-right: 1px solid var(--line);
  }
  .btn.sidebar__close,
  .sidebar-scrim {
    display: none;
  }
}

/* Off-canvas drawer below 1024px */
@media (max-width: 1023px) {
  .sidebar {
    position: fixed;
    z-index: calc(var(--z-tabbar) + 2);
    inset: 0 auto 0 0;
    width: min(312px, 86vw);
    height: 100dvh;
    padding-top: var(--safe-top);
    padding-bottom: var(--safe-bottom);
    padding-left: var(--safe-left);
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    box-shadow: var(--shadow-xl);
    transform: translateX(calc(-100% - 24px));
    visibility: hidden;
    transition:
      transform var(--dur-4) var(--ease-sheet),
      visibility 0s linear var(--dur-4);
  }
  .app.is-drawer-open .sidebar {
    transform: translateX(var(--drag-x, 0px));
    visibility: visible;
    transition: transform var(--dur-4) var(--ease-sheet);
  }
  .app.is-dragging .sidebar {
    transition: none;
  }
  .sidebar-scrim {
    position: fixed;
    z-index: calc(var(--z-tabbar) + 1);
    inset: 0;
    background: var(--scrim);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-3) var(--ease-out);
  }
  .app.is-drawer-open .sidebar-scrim {
    opacity: 1;
    pointer-events: auto;
  }
  :root:has(.app.is-drawer-open) {
    overflow: hidden;
  }
  .btn.sidebar__toggle {
    display: none;
  }
}

/* Brand (sidebar without workspace, auth & marketing headers) */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-snug);
  color: var(--text);
}
.brand__mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.sidebar .brand {
  flex: 1;
  padding: 0 6px;
}

/* Workspace tile & switcher */
.ws-tile {
  --size: 32px;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: var(--size);
  height: var(--size);
  overflow: hidden;
  border-radius: calc(var(--size) * 0.28);
  background: linear-gradient(145deg, color-mix(in oklab, var(--tone-solid) 82%, white), var(--tone-solid) 55%, color-mix(in oklab, var(--tone-solid) 82%, black));
  color: var(--tone-on);
  font-size: calc(var(--size) * 0.4);
  font-weight: var(--fw-bold);
  letter-spacing: 0;
  line-height: 1;
  box-shadow: inset 0 0 0 0.5px rgb(0 0 0 / 0.08), inset 0 1px 0 rgb(255 255 255 / 0.22);
}
.ws-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ws-tile--sm {
  --size: 22px;
}
.ws-tile--lg {
  --size: 44px;
}
.ws-switcher {
  flex: 1 1 auto;
  min-width: 0;
}
.ws-switcher__button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 8px 0 6px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  text-align: left;
  transition: background-color var(--dur-1) ease;
}
.ws-switcher__button:hover,
.ws-switcher__button[aria-expanded="true"] {
  background: var(--fill-1);
}
.ws-switcher__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}
.ws-switcher__name {
  overflow: hidden;
  font-weight: var(--fw-semibold);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-switcher__meta {
  overflow: hidden;
  color: var(--text-2);
  font-size: var(--fs-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-switcher__chevron {
  color: var(--text-3);
}

/* Navigation items */
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  height: var(--row-h);
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  text-align: left;
  white-space: nowrap;
  transition:
    background-color var(--dur-1) ease,
    color var(--dur-1) ease;
}
.nav-item > .icon {
  color: var(--text-2);
  transition: color var(--dur-1) ease;
}
.nav-item:hover {
  background: var(--fill-1);
}
.nav-item:active {
  background: var(--fill-2);
}
.nav-item.is-active {
  background: var(--fill-2);
}
.nav-item.is-active > .icon {
  color: var(--accent);
}
.nav-item__label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--dur-2) ease;
}
.nav-item__trail {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  color: var(--text-3);
  font-size: var(--fs-xs);
}
.nav-item .icon-tile {
  --size: 20px;
}
.nav-badge:not(:has(.badge)) {
  display: none;
}

.nav-section {
  margin-top: var(--space-5);
}
.nav-section__header {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  margin-bottom: 2px;
  padding: 0 4px 0 10px;
}
.nav-section__title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: var(--text-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-section__toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  padding: 2px 4px;
  margin-left: -4px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--text-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}
.nav-section__toggle:hover {
  color: var(--text-2);
}
.nav-section__toggle .icon {
  opacity: 0;
  transition:
    transform var(--dur-2) var(--ease-out),
    opacity var(--dur-1) ease;
}
.nav-section:hover .nav-section__toggle .icon,
.nav-section__toggle:focus-visible .icon {
  opacity: 1;
}
.nav-section__toggle[aria-expanded="false"] .icon {
  transform: rotate(-90deg);
}
.nav-section__action {
  opacity: 0;
  transition: opacity var(--dur-1) ease;
}
.nav-section:hover .nav-section__action,
.nav-section__action:focus-visible {
  opacity: 1;
}
@media (hover: none) {
  .nav-section__toggle .icon,
  .nav-section__action {
    opacity: 1;
  }
}
.nav-section__empty {
  padding: 4px 10px 6px;
  color: var(--text-3);
  font-size: var(--fs-sm);
}
.nav-section__body[hidden] {
  display: none;
}
.nav-divider {
  height: 1px;
  margin: var(--space-4) 10px;
  background: var(--line);
}

/* User menu button (sidebar footer) */
.user-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 8px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  text-align: left;
  transition: background-color var(--dur-1) ease;
}
.user-button:hover,
.user-button[aria-expanded="true"] {
  background: var(--fill-1);
}
.user-button__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}
.user-button__name {
  overflow: hidden;
  font-weight: var(--fw-semibold);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-button__email {
  overflow: hidden;
  color: var(--text-2);
  font-size: var(--fs-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-button > .icon {
  color: var(--text-3);
}

/* Rail mode (desktop only) — icons only, labels become tooltips. */
@media (min-width: 1024px) {
  .app.is-rail .sidebar__header {
    flex-direction: column;
    gap: 6px;
    padding-inline: 0;
  }
  .app.is-rail .sidebar__nav,
  .app.is-rail .sidebar__footer {
    padding-inline: 12px;
  }
  .app.is-rail .ws-switcher__button,
  .app.is-rail .user-button {
    justify-content: center;
    width: 44px;
    margin-inline: auto;
    padding: 0;
  }
  .app.is-rail .ws-switcher__text,
  .app.is-rail .ws-switcher__chevron,
  .app.is-rail .user-button__text,
  .app.is-rail .user-button > .icon,
  .app.is-rail .brand__text,
  .app.is-rail .nav-section__header,
  .app.is-rail .nav-section__empty,
  .app.is-rail .nav-item__trail:not(.nav-badge),
  .app.is-rail .nav-item__label {
    display: none;
  }
  .app.is-rail .nav-item {
    justify-content: center;
    padding: 0;
  }
  .app.is-rail .nav-section {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--line);
  }
  .app.is-rail .nav-section__body[hidden] {
    display: block;
  }
  .app.is-rail .nav-divider {
    margin-inline: 4px;
  }
  .app.is-rail .nav-badge {
    position: absolute;
    top: 3px;
    right: 6px;
  }
  .app.is-rail .nav-badge .badge {
    min-width: 8px;
    width: 8px;
    height: 8px;
    padding: 0;
    font-size: 0;
    box-shadow: 0 0 0 2px var(--bg-sidebar);
  }
  .app.is-rail .sidebar__toggle .icon {
    transform: scaleX(-1);
  }
  /* Rail tooltips: CSS-only, to the right of the item. The nav must not clip them. */
  .app.is-rail .sidebar,
  .app.is-rail .sidebar__nav {
    overflow: visible;
  }
  .app.is-rail [data-rail-tooltip]::after {
    content: attr(data-rail-tooltip);
    position: absolute;
    z-index: var(--z-tooltip);
    top: 50%;
    left: calc(100% + 10px);
    padding: 5px 9px;
    border-radius: 7px;
    background: var(--tooltip-bg);
    color: var(--tooltip-fg);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    line-height: 1.3;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    translate: -4px -50%;
    transition:
      opacity var(--dur-1) ease,
      translate var(--dur-1) ease;
  }
  .app.is-rail [data-rail-tooltip]:hover::after,
  .app.is-rail [data-rail-tooltip]:focus-visible::after {
    opacity: 1;
    translate: 0 -50%;
    transition-delay: 150ms;
  }
}
@media (min-width: 1024px) and (max-height: 640px) {
  .app.is-rail .sidebar__nav {
    overflow-y: auto;
  }
}

/* -- Topbar -------------------------------------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  padding-top: var(--safe-top);
  isolation: isolate;
}
.topbar::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  border-bottom: 1px solid var(--glass-line);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  opacity: 0;
  transition: opacity var(--dur-2) ease;
}
.topbar.is-scrolled::before,
.topbar--solid::before {
  opacity: 1;
}
.topbar__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: var(--topbar-h);
  padding-inline: max(var(--page-pad-x), var(--safe-left)) max(var(--page-pad-x), var(--safe-right));
}
.topbar__menu {
  margin-left: -6px;
}
.topbar__heading {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.topbar__titles {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.topbar__title {
  min-width: 0;
  overflow: hidden;
  font-family: var(--font-sans);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar__title:empty {
  display: none;
}
.topbar__actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--space-2);
}
.topbar__new .btn__label {
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .btn.topbar__menu {
    display: none;
  }
}
@media (max-width: 767px) {
  .app.has-tabbar .topbar__menu,
  .app.has-tabbar .topbar__new {
    display: none;
  }
  .topbar__title {
    font-size: var(--fs-xl);
  }
}

/* Breadcrumbs: write plain links/spans inside {% block breadcrumbs %}; separators are automatic. */
.breadcrumbs {
  display: flex;
  align-items: center;
  min-width: 0;
  color: var(--text-2);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  white-space: nowrap;
}
.breadcrumbs:not(:has(*)) {
  display: none;
}
.breadcrumbs > * {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.breadcrumbs > a {
  border-radius: 6px;
  transition: color var(--dur-1) ease;
}
.breadcrumbs > a:hover {
  color: var(--text);
}
.breadcrumbs > * + *::before,
.topbar__titles > .breadcrumbs:has(*)::after {
  content: "";
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-inline: 4px;
  background: var(--text-3);
  -webkit-mask: var(--chevron-mask) center / contain no-repeat;
  mask: var(--chevron-mask) center / contain no-repeat;
}
/* Mobile: breadcrumbs collapse into an iOS-style back chevron (last crumb = parent page). */
@media (max-width: 767px) {
  .breadcrumbs > :not(:last-child) {
    display: none;
  }
  .topbar__titles > .breadcrumbs:has(*)::after {
    display: none;
  }
  .breadcrumbs > :last-child {
    width: 36px;
    height: 36px;
    margin-left: -10px;
    justify-content: center;
    font-size: 0;
    color: var(--accent);
  }
  .breadcrumbs > :last-child::before {
    content: "";
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin: 0;
    background: currentColor;
    -webkit-mask: var(--chevron-left-mask) center / contain no-repeat;
    mask: var(--chevron-left-mask) center / contain no-repeat;
  }
}

/* Search trigger (looks like a search field, opens the command palette) */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: clamp(180px, 22vw, 280px);
  height: var(--control-h);
  padding: 0 6px 0 12px;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--fill-1);
  color: var(--text-3);
  font-size: var(--fs-md);
  transition: background-color var(--dur-1) ease;
}
.search-trigger:hover {
  background: var(--fill-2);
}
.search-trigger__label {
  flex: 1;
  overflow: hidden;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 1279px) {
  .search-trigger {
    width: var(--control-h);
    padding: 0;
    justify-content: center;
    background: transparent;
    color: var(--text-2);
  }
  .search-trigger:hover {
    background: var(--fill-1);
  }
  .search-trigger__label,
  .search-trigger .kbd {
    display: none;
  }
}

/* -- Page ---------------------------------------------------------------------------------------- */
.page {
  flex: 1 0 auto;
  min-width: 0;
  padding: var(--page-pad-y) max(var(--page-pad-x), var(--safe-right)) calc(var(--page-pad-y) + var(--safe-bottom) + 24px) max(var(--page-pad-x), var(--safe-left));
  view-transition-name: page;
}
.page:focus {
  outline: none;
}
.page--flush {
  padding: 0;
}
.page--full {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
@media (max-width: 767px) {
  .app.has-tabbar .page {
    padding-bottom: calc(var(--tabbar-h) + max(var(--safe-bottom), 10px) + 32px);
  }
}

/* Page header inside content (optional large title) */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
}
.page-header__text {
  flex: 1 1 280px;
  min-width: 0;
}
.page-header__title {
  font-family: var(--font-display);
  font-size: var(--fs-title-1);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
}
.page-header__subtitle {
  margin-top: var(--space-1);
  color: var(--text-2);
  font-size: var(--fs-lg);
}
.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.section-header__title {
  flex: 1;
  min-width: 0;
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-snug);
}

/* -- Mobile tab bar (floating glass capsule, iOS 26 style) ---------------------------------------- */
.tabbar {
  display: none;
}
@media (max-width: 767px) {
  .tabbar.tabbar--no-create {
    grid-template-columns: repeat(4, minmax(0, 1fr)); /* people who can't create tasks */
  }
  .tabbar {
    position: fixed;
    z-index: var(--z-tabbar);
    right: max(12px, var(--safe-right));
    bottom: max(10px, calc(var(--safe-bottom) - 6px));
    left: max(12px, var(--safe-left));
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: center;
    height: var(--tabbar-h);
    padding: 0 6px;
    border: 1px solid var(--glass-line);
    border-radius: var(--radius-full);
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: var(--glass-filter);
    backdrop-filter: var(--glass-filter);
    box-shadow: var(--shadow-lg);
    view-transition-name: tabbar;
  }
}
.tabbar__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  min-width: 0;
  height: 44px;
  padding: 0 2px;
  border: 0;
  border-radius: var(--radius-full);
  background: none;
  color: var(--text-2);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  transition:
    color var(--dur-1) ease,
    background-color var(--dur-1) ease,
    transform var(--dur-1) ease;
}
.tabbar__item > span:last-child {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tabbar__item:active {
  transform: scale(0.94);
}
.tabbar__item.is-active {
  color: var(--accent);
}
.tabbar__create {
  justify-self: center;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 40%, transparent);
  transition: transform var(--dur-2) var(--ease-spring);
}
.tabbar__create:active {
  transform: scale(0.92);
}
.tabbar__badge {
  position: absolute;
  top: 1px;
  left: calc(50% + 6px);
}
.tabbar__badge .badge {
  box-shadow: 0 0 0 2px var(--surface);
}

/* -- Project layout: identity in the topbar + view tabs ------------------------------------------- */
.project-ident {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.project-ident__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.topbar--project .topbar__row {
  height: 56px;
}
.topbar--project .topbar__title {
  font-size: var(--fs-xl);
}

.view-tabs {
  display: flex;
  align-items: stretch;
  gap: 2px;
  height: 40px;
  padding-inline: max(calc(var(--page-pad-x) - 10px), var(--safe-left));
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.view-tabs::-webkit-scrollbar {
  display: none;
}
.view-tab {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 7px;
  padding: 0 10px;
  color: var(--text-2);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  transition: color var(--dur-1) ease;
}
.view-tab:hover {
  color: var(--text);
}
.view-tab.is-active {
  color: var(--text);
}
.view-tab.is-active .icon {
  color: var(--accent);
}
.view-tab__indicator {
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--accent);
  view-transition-name: view-tab-indicator;
}
@media (max-width: 767px) {
  .view-tabs {
    gap: 6px;
    height: auto;
    padding: 2px max(16px, var(--safe-left)) 10px;
    scroll-padding-inline: 16px;
    scroll-snap-type: x proximity;
  }
  .view-tab {
    height: 32px;
    padding: 0 14px;
    border-radius: var(--radius-full);
    background: var(--fill-1);
    scroll-snap-align: start;
  }
  .view-tab.is-active {
    background: var(--surface-inverse);
    color: var(--text-inverse);
  }
  .view-tab.is-active .icon {
    color: inherit;
  }
  .view-tab__indicator {
    display: none;
  }
}
.project-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.project-toolbar:not(:has(*)) {
  display: none;
}

/* -- Settings layout ----------------------------------------------------------------------------- */
.settings-layout {
  display: grid;
  gap: var(--space-5);
  max-width: 1080px;
  margin-inline: auto;
}
.settings-nav {
  display: flex;
  gap: 2px;
}
.settings-nav__label {
  padding: 6px 10px 4px;
  color: var(--text-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}
.settings-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  height: var(--row-h);
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  transition: background-color var(--dur-1) ease;
}
.settings-nav__item .icon {
  color: var(--text-2);
}
.settings-nav__item:hover {
  background: var(--fill-1);
}
.settings-nav__item.is-active {
  background: var(--fill-2);
}
.settings-nav__item.is-active .icon {
  color: var(--accent);
}
.settings-content {
  min-width: 0;
  max-width: 760px;
}
@media (min-width: 1024px) {
  .settings-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-10);
  }
  .settings-nav {
    position: sticky;
    top: calc(var(--topbar-h) + var(--safe-top) + 16px);
    flex-direction: column;
  }
}
@media (max-width: 1023px) {
  .settings-nav {
    margin-inline: calc(var(--page-pad-x) * -1);
    padding: 0 var(--page-pad-x) 4px;
    overflow-x: auto;
    gap: 6px;
    scrollbar-width: none;
  }
  .settings-nav__label {
    display: none;
  }
  .settings-nav__item {
    flex-shrink: 0;
    height: 34px;
    padding: 0 14px;
    border-radius: var(--radius-full);
    background: var(--fill-1);
  }
  .settings-nav__item.is-active {
    background: var(--surface-inverse);
    color: var(--text-inverse);
  }
  .settings-nav__item.is-active .icon {
    color: inherit;
  }
}

/* -- Auth layout --------------------------------------------------------------------------------- */
.auth {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: max(16px, var(--safe-top)) max(16px, var(--safe-right)) max(16px, var(--safe-bottom)) max(16px, var(--safe-left));
  overflow: hidden;
  isolation: isolate;
}
.auth__bg {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  background: var(--bg);
}
.auth__bg::before,
.auth__bg::after {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(38% 42% at 22% 28%, color-mix(in srgb, var(--c-blue) 34%, transparent), transparent 70%),
    radial-gradient(34% 38% at 78% 22%, color-mix(in srgb, var(--c-purple) 26%, transparent), transparent 70%),
    radial-gradient(40% 44% at 70% 78%, color-mix(in srgb, var(--c-mint) 24%, transparent), transparent 70%),
    radial-gradient(30% 34% at 26% 82%, color-mix(in srgb, var(--c-pink) 18%, transparent), transparent 70%);
  filter: saturate(1.15);
}
.auth__bg::after {
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 0%, transparent 40%, var(--bg) 100%),
    linear-gradient(to bottom, transparent, color-mix(in srgb, var(--bg) 40%, transparent));
  filter: none;
}
@media (prefers-reduced-motion: no-preference) {
  .auth__bg::before {
    animation: mesh-drift 26s var(--ease-in-out) infinite alternate;
  }
}
@keyframes mesh-drift {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
  }
  50% {
    transform: translate3d(3%, -2%, 0) rotate(8deg) scale(1.05);
  }
  100% {
    transform: translate3d(-3%, 3%, 0) rotate(-6deg) scale(1.02);
  }
}
.auth__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  max-width: 1120px;
  width: 100%;
  margin-inline: auto;
  min-height: 44px;
}
.auth__main {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  padding-block: var(--space-8);
}
.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 32px 28px 28px;
  border: 1px solid light-dark(rgb(255 255 255 / 0.7), rgb(255 255 255 / 0.08));
  border-radius: var(--radius-2xl);
  background: light-dark(rgb(255 255 255 / 0.72), rgb(28 28 30 / 0.66));
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  backdrop-filter: saturate(180%) blur(28px);
  box-shadow: var(--shadow-xl);
}
@media (prefers-reduced-motion: no-preference) {
  .auth-card {
    animation: card-in 600ms var(--ease-out) both;
  }
}
@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
}
@media (max-width: 479px) {
  .auth-card {
    padding: 28px 20px 22px;
    border-radius: var(--radius-xl);
  }
}
.auth-card__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  text-align: center;
}
.auth-card__logo {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-2);
  filter: drop-shadow(0 8px 18px color-mix(in srgb, var(--c-indigo) 35%, transparent));
}
.auth-card__title {
  font-size: var(--fs-title-2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
}
.auth-card__subtitle {
  color: var(--text-2);
  font-size: var(--fs-lg);
}
.auth-card__subtitle:empty {
  display: none;
}
.auth__footer {
  color: var(--text-2);
  font-size: var(--fs-md);
  text-align: center;
}
.auth__footer:not(:has(*)):empty {
  display: none;
}
.auth__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
  color: var(--text-3);
  font-size: var(--fs-xs);
}

/* Language switcher pills (auth/marketing) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-full);
  background: var(--fill-1);
}
.lang-switch__item {
  height: 26px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-full);
  background: none;
  color: var(--text-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  transition:
    background-color var(--dur-1) ease,
    color var(--dur-1) ease;
}
.lang-switch__item:hover {
  color: var(--text);
}
.lang-switch__item[aria-current="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* -- Marketing layout ---------------------------------------------------------------------------- */
.mkt {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}
.mkt-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  padding-top: var(--safe-top);
  border-bottom: 1px solid var(--glass-line);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
}
.mkt-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 1120px;
  height: 56px;
  margin-inline: auto;
  padding-inline: max(20px, var(--safe-left)) max(20px, var(--safe-right));
}
.mkt-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}
.mkt-main {
  flex: 1;
}
.mkt-footer {
  border-top: 1px solid var(--line);
  color: var(--text-2);
  font-size: var(--fs-sm);
}
.mkt-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: 1120px;
  margin-inline: auto;
  padding: var(--space-8) max(20px, var(--safe-right)) calc(var(--space-8) + var(--safe-bottom)) max(20px, var(--safe-left));
}
.mkt-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.mkt-footer__links a:hover {
  color: var(--text);
}

/* -- Status pages (errors, standalone) ----------------------------------------------------------- */
.status-page {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px max(20px, var(--safe-right)) calc(24px + var(--safe-bottom)) max(20px, var(--safe-left));
  text-align: center;
}
.status-page__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  max-width: 440px;
}
.status-page__code {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 3rem + 8vw, 7.5rem);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(160deg, var(--text) 30%, color-mix(in srgb, var(--text) 35%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.status-page__title {
  font-size: var(--fs-title-2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
}
.status-page__text {
  color: var(--text-2);
  font-size: var(--fs-lg);
}
.status-page__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* -- Placeholder (stub) page ---------------------------------------------------------------------- */
.stub {
  display: grid;
  gap: var(--space-6);
}
.stub__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-4) var(--space-8);
  text-align: center;
}
.stub__preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: var(--space-4);
}