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

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: var(--space-24);
  background:
    radial-gradient(circle at top, rgba(199, 168, 106, 0.12), transparent 35%),
    linear-gradient(180deg, rgba(11, 18, 32, 0.98), rgba(18, 32, 51, 0.98));
  color: var(--color-text-inverse);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-14);
  padding: var(--space-12) var(--space-10) var(--space-24);
}

.sidebar__brand-mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(230, 204, 147, 0.26), rgba(199, 168, 106, 0.08));
  color: #f4e4be;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 12px 24px rgba(0, 0, 0, 0.22);
}

.sidebar__brand-title {
  font-size: calc(var(--text-20) * var(--font-scale));
  font-weight: var(--weight-semibold);
  line-height: 1.2;
}

.sidebar__brand-copy {
  margin-top: var(--space-4);
  color: var(--color-text-inverse-secondary);
  font-size: calc(var(--text-13) * var(--font-scale));
}

.sidebar__section + .sidebar__section {
  margin-top: var(--space-20);
}

.sidebar__site-card,
.sidebar__support-card,
.sidebar__profile {
  padding: var(--space-18);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.sidebar__site-card .label,
.sidebar__support-card .label {
  display: block;
  margin-bottom: var(--space-8);
  color: var(--color-text-inverse-secondary);
  font-size: calc(var(--text-12) * var(--font-scale));
}

.sidebar__site-card strong,
.sidebar__support-card strong,
.sidebar__profile strong,
.sidebar__brand-title {
  color: var(--color-text-inverse);
}

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

.sidebar__nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  min-height: 3.375rem;
  padding: 0 var(--space-16);
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.97);
  transition: transform var(--motion-fast), background var(--motion-fast), color var(--motion-fast);
}

.sidebar__nav-link:hover,
.sidebar__nav-link:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: var(--color-text-inverse);
  transform: translateX(2px);
}

.sidebar__nav-link.is-active {
  color: #fff6dc;
  background: linear-gradient(135deg, rgba(199, 168, 106, 0.3), rgba(199, 168, 106, 0.12));
  box-shadow:
    inset 0 0 0 1px rgba(230, 204, 147, 0.22),
    0 14px 28px rgba(8, 12, 18, 0.14);
}

.sidebar__nav-main {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  min-width: 0;
}

.sidebar__nav-main span {
  flex: 1;
  min-width: 0;
  font-size: calc(var(--text-15) * var(--font-scale));
  font-weight: var(--weight-medium);
}

.sidebar__nav-badge {
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.14);
  color: var(--color-text-inverse-secondary);
  font-size: calc(var(--text-11) * var(--font-scale));
}

.sidebar .badge-neutral {
  color: rgba(255, 255, 255, 1);
  background: rgba(255, 255, 255, 0.26);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.sidebar__footer {
  margin-top: auto;
  display: grid;
  gap: var(--space-14);
}

.sidebar__profile {
  display: flex;
  align-items: center;
  gap: var(--space-14);
}

.sidebar__avatar {
  display: grid;
  place-items: center;
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(230, 204, 147, 0.8), rgba(199, 168, 106, 0.34));
  color: var(--color-navy-950);
  font-weight: var(--weight-bold);
}

.sidebar__profile-meta {
  flex: 1;
  min-width: 0;
}

.sidebar__profile-meta strong {
  display: block;
  font-size: calc(var(--text-15) * var(--font-scale));
}

.sidebar__profile-meta span {
  display: block;
  margin-top: var(--space-4);
  color: rgba(255, 255, 255, 0.98);
  font-size: calc(var(--text-12) * var(--font-scale));
}

.sidebar__site-badges {
  margin-top: var(--space-14);
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: var(--space-16);
  justify-content: space-between;
  min-height: var(--topbar-height);
  padding: var(--space-18) var(--space-32);
  border-bottom: 1px solid var(--color-border-soft);
  background: rgba(255, 252, 247, 0.82);
  box-shadow: 0 6px 24px rgba(18, 32, 51, 0.04);
}

.topbar__group {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  min-width: 0;
}

.topbar__title {
  display: grid;
  gap: var(--space-4);
}

.topbar__title strong {
  font-size: calc(var(--text-20) * var(--font-scale));
}

.topbar__title span {
  color: var(--color-text-secondary);
  font-size: calc(var(--text-13) * var(--font-scale));
}

.topbar__search-button {
  display: none;
}

.topbar__search {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  min-width: 18rem;
  min-height: 2.875rem;
  padding: 0 var(--space-14);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-inset);
  color: var(--color-text-secondary);
  text-align: left;
}

.topbar__search span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.topbar__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  padding: 0 var(--space-14);
  min-height: 2.875rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border-soft);
  color: var(--color-text-secondary);
}

.topbar__menu-button,
.mobile-header__button {
  display: none;
}

.topbar__icon-button,
.mobile-header__button,
.sidebar__logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 0.9375rem;
  border: 1px solid var(--color-border-soft);
  background: rgba(255, 255, 255, 0.84);
  color: var(--color-text-secondary);
  transition: transform var(--motion-fast), background var(--motion-fast), color var(--motion-fast);
}

.topbar__icon-button:hover,
.mobile-header__button:hover,
.sidebar__logout:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-strong);
  transform: translateY(-1px);
}

.topbar__user {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-10));
  min-width: 13rem;
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-medium);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--motion-fast), transform var(--motion-fast);
}

.dropdown-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-menu button,
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  width: 100%;
  min-height: 2.75rem;
  padding: 0 var(--space-12);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
}

.dropdown-menu button:hover,
.dropdown-menu a:hover {
  background: rgba(18, 32, 51, 0.06);
  color: var(--color-text-primary);
}

.mobile-header {
  display: none;
}

.mobile-tabbar {
  display: none;
}

.layout-overlay {
  display: none;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-20);
}

.page-header__title {
  display: grid;
  gap: var(--space-8);
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-10);
}

.page-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-14);
  padding: var(--space-20) var(--space-22);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(245, 239, 229, 0.78)),
    radial-gradient(circle at top right, rgba(199, 168, 106, 0.14), transparent 40%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-medium);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -34% auto;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 168, 106, 0.12) 0%, transparent 68%);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
}

.page-hero__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-10);
}

.page-hero--compact .text-title-lg {
  font-size: calc(var(--text-28) * var(--font-scale));
}

.page-hero__meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-12);
}

@media (max-width: 1280px) {
  .topbar {
    padding: var(--space-18) var(--space-24);
  }
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    z-index: 70;
    inset: 0 auto 0 0;
    width: min(84vw, 20rem);
    transform: translateX(-100%);
    transition: transform var(--motion-base);
  }

  body.is-nav-open .sidebar {
    transform: translateX(0);
  }

  .layout-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: block;
    background: rgba(12, 21, 33, 0.46);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--motion-base);
  }

  body.is-nav-open .layout-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .topbar {
    padding: var(--space-16) var(--space-24);
  }

  .topbar__menu-button {
    display: inline-flex;
  }

  .topbar__search {
    min-width: 14rem;
  }

  .page-hero {
    padding: var(--space-24);
  }
}

@media (max-width: 767px) {
  .app-main__content {
    padding-top: var(--mobile-header-height);
    padding-bottom: calc(var(--mobile-tabbar-height) + var(--space-12));
  }

  .topbar {
    display: none;
  }

  .mobile-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--mobile-header-height);
    padding: 0 var(--space-16);
    background: rgba(255, 251, 246, 0.9);
    border-bottom: 1px solid var(--color-border-soft);
    box-shadow: 0 8px 30px rgba(18, 32, 51, 0.06);
  }

  .mobile-header__group {
    display: flex;
    align-items: center;
    gap: var(--space-12);
  }

  .mobile-header__button {
    display: inline-flex;
  }

  .mobile-header__brand {
    display: grid;
    gap: var(--space-4);
  }

  .mobile-header__brand strong {
    font-size: calc(var(--text-16) * var(--font-scale));
  }

  .mobile-header__brand span {
    color: var(--color-text-secondary);
    font-size: calc(var(--text-12) * var(--font-scale));
  }

  .page-header {
    flex-direction: column;
  }

  .page-header__actions {
    width: 100%;
    justify-content: stretch;
  }

  .page-header__actions > * {
    flex: 1 1 0;
  }

  .page-hero {
    padding: var(--space-20);
    border-radius: var(--radius-xl);
  }

  .mobile-tabbar {
    position: fixed;
    inset: auto 0 0;
    z-index: 45;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
    padding: var(--space-8) var(--space-8) max(var(--space-10), env(safe-area-inset-bottom));
    background: rgba(255, 252, 247, 0.92);
    border-top: 1px solid var(--color-border-soft);
    box-shadow: 0 -10px 24px rgba(18, 32, 51, 0.08);
  }

  .mobile-tabbar a,
  .mobile-tabbar button {
    display: grid;
    justify-items: center;
    gap: var(--space-4);
    min-height: 3.625rem;
    padding-top: var(--space-6);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
  }

  .mobile-tabbar a.is-active,
  .mobile-tabbar button.is-active {
    color: var(--color-navy-900);
    background: rgba(199, 168, 106, 0.14);
  }

  .mobile-tabbar span {
    font-size: calc(var(--text-11) * var(--font-scale));
  }
}