.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 160ms ease;
}

body.sidebar-collapsed {
  --sidebar-width: 82px;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 1px 0 0 rgba(15, 23, 42, 0.02);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  box-shadow: 0 8px 18px rgba(91, 77, 245, 0.22);
}

.brand-logo svg {
  width: 18px;
  height: 18px;
}

.brand-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.brand {
  margin: 0;
  font-size: 16px;
  line-height: 1.05;
  letter-spacing: 0;
}

.brand-subtitle {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
}

.sidebar-header .sidebar-toggle {
  display: inline-flex;
  flex: 0 0 auto;
}

.nav {
  display: grid;
  flex: 1;
  align-content: start;
  gap: 22px;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px 10px 18px;
}

.nav-section {
  display: grid;
  gap: 4px;
}

.nav-title {
  padding: 10px 8px 5px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.nav-link {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 10px;
  align-items: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 7px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  transition: background 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.nav-link:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.nav-link.is-active {
  background: linear-gradient(135deg, #5b4df5, #6549ef);
  color: #fff;
  box-shadow: 0 9px 18px rgba(91, 77, 245, 0.24);
}

.nav-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.nav-icon svg {
  width: 17px;
  height: 17px;
  stroke-width: 2;
}

.nav-badge {
  min-width: 22px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 10px;
  font-weight: 800;
  line-height: 18px;
  text-align: center;
}

.nav-link.is-active .nav-badge {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.sidebar-alert {
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  background: transparent;
}

.sidebar-alert-link {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 7px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  transition: background 140ms ease, color 140ms ease;
}

.sidebar-alert-link:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.sidebar-alert-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--danger);
}

.sidebar-alert-icon svg {
  width: 17px;
  height: 17px;
  stroke-width: 2;
}

.sidebar-alert-link > span:nth-child(2) {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-alert-title {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: currentColor;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-alert-subtitle {
  display: inline-flex;
  flex: 0 0 auto;
  height: 18px;
  align-items: center;
  padding: 0 6px;
  border-radius: 999px;
  background: #fef2f2;
  color: var(--danger);
  font-size: 10px;
  font-weight: 800;
  line-height: 18px;
}

.sidebar-alert-link .muted {
  color: var(--text-soft);
  font-weight: 900;
}

.sidebar-user {
  flex: 0 0 auto;
  margin: 0 10px 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.sidebar-user-card {
  display: grid;
  grid-template-columns: minmax(0, 70%) minmax(34px, 15%) minmax(34px, 15%);
  gap: 0;
  align-items: center;
}

.sidebar-user-profile {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-width: 0;
  overflow: hidden;
}

.avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #5b4df5, #7c3aed);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.sidebar-user-name {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-user-email {
  display: block;
  min-width: 0;
  color: var(--text-muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-user-text {
  min-width: 0;
  overflow: hidden;
}

.sidebar-theme,
.sidebar-logout {
  justify-self: end;
  width: 34px;
  min-height: 34px;
}

body.sidebar-collapsed .sidebar-header {
  position: relative;
  display: block;
  min-height: 112px;
  padding: 0;
}

body.sidebar-collapsed .brand-lockup {
  position: absolute;
  top: 12px;
  left: 50%;
  display: block;
  width: 42px;
  transform: translateX(-50%);
}

body.sidebar-collapsed .brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

body.sidebar-collapsed .brand-logo svg {
  width: 20px;
  height: 20px;
}

body.sidebar-collapsed .sidebar-header .sidebar-toggle {
  position: absolute;
  top: 65px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  min-height: 34px;
  border-color: transparent;
  color: var(--text-soft);
}

body.sidebar-collapsed .sidebar-header .sidebar-toggle:hover {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--text);
}

body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-title,
body.sidebar-collapsed .nav-link > span:nth-child(2),
body.sidebar-collapsed .sidebar-alert-title,
body.sidebar-collapsed .sidebar-alert-subtitle,
body.sidebar-collapsed .sidebar-alert-link > span:nth-child(2),
body.sidebar-collapsed .sidebar-user-text {
  display: none;
}

body.sidebar-collapsed .nav {
  gap: 10px;
  padding: 14px 10px 18px;
}

body.sidebar-collapsed .nav-section {
  gap: 8px;
}

body.sidebar-collapsed .nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  min-height: 44px;
  margin-inline: auto;
  padding: 0;
  border-radius: 10px;
}

body.sidebar-collapsed .nav-icon {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
}

body.sidebar-collapsed .nav-link > span:not(.nav-icon):not(.nav-badge) {
  display: none;
}

body.sidebar-collapsed .nav-badge {
  position: absolute;
  top: 4px;
  right: -5px;
  transform: none;
  min-width: 21px;
  height: 18px;
  padding: 0 5px;
}

body.sidebar-collapsed .sidebar-alert {
  display: none;
}

body.sidebar-collapsed .sidebar-user-card {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "profile profile"
    "theme logout";
  justify-items: center;
  row-gap: 12px;
  column-gap: 6px;
}

body.sidebar-collapsed .sidebar-user-profile {
  grid-area: profile;
  grid-template-columns: 1fr;
  justify-items: center;
}

body.sidebar-collapsed .avatar {
  width: 44px;
  height: 44px;
  font-size: 13px;
}

body.sidebar-collapsed .sidebar-theme {
  grid-area: theme;
}

body.sidebar-collapsed .sidebar-logout {
  grid-area: logout;
}

body.sidebar-collapsed .sidebar-theme,
body.sidebar-collapsed .sidebar-logout {
  justify-self: center;
  width: 34px;
  min-height: 34px;
}

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

.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar-title {
  font-size: 18px;
  font-weight: 800;
}

.page-content {
  width: min(1540px, calc(100% - 40px));
  margin: 0 auto;
  padding: 16px 0 42px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 50px;
  margin-bottom: 22px;
}

.welcome-date {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.welcome-title {
  margin: 2px 0 0;
  font-size: 20px;
  line-height: 1.2;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  width: min(360px, 36vw);
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text-soft);
}

.search-box svg {
  width: 15px;
  height: 15px;
}

.search-input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 13px;
}

.search-input::placeholder {
  color: var(--text-soft);
}

:root[data-theme="dark"] .sidebar-alert-subtitle {
  background: rgba(248, 113, 113, 0.14);
}

:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .sidebar,
:root[data-theme="dark"] .sidebar-user {
  box-shadow: none;
}

:root[data-theme="dark"] .search-box {
  background: var(--surface);
}

@media (max-width: 860px) {
  body.sidebar-collapsed {
    --sidebar-width: 256px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    z-index: 20;
    inset: 0 auto 0 0;
    width: min(86vw, var(--sidebar-width));
    transform: translateX(-100%);
    transition: transform 160ms ease;
  }

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

  .topbar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .sidebar-toggle {
    display: inline-flex;
  }

  body.sidebar-collapsed .brand-text,
  body.sidebar-collapsed .nav-title,
  body.sidebar-collapsed .nav-link > span:nth-child(2),
  body.sidebar-collapsed .sidebar-alert-title,
  body.sidebar-collapsed .sidebar-alert-subtitle,
  body.sidebar-collapsed .sidebar-alert-link > span:nth-child(2),
  body.sidebar-collapsed .sidebar-user-text {
    display: revert;
  }

  body.sidebar-collapsed .sidebar-header {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    min-height: 62px;
    padding: 0 14px;
    justify-content: space-between;
  }

  body.sidebar-collapsed .brand-lockup {
    position: static;
    width: auto;
    display: flex;
    transform: none;
    justify-content: flex-start;
  }

  body.sidebar-collapsed .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 9px;
  }

  body.sidebar-collapsed .brand-logo svg {
    width: 18px;
    height: 18px;
  }

  body.sidebar-collapsed .sidebar-header .sidebar-toggle {
    position: static;
    transform: none;
    width: 36px;
    min-height: 36px;
  }

  body.sidebar-collapsed .nav {
    gap: 22px;
    padding: 14px 10px 18px;
  }

  body.sidebar-collapsed .nav-link {
    display: grid;
    grid-template-columns: 22px 1fr auto;
    justify-items: stretch;
    width: auto;
    padding: 0 10px;
  }

  body.sidebar-collapsed .nav-icon {
    position: static;
    transform: none;
  }

  body.sidebar-collapsed .nav-badge {
    position: static;
    transform: none;
  }

  body.sidebar-collapsed .sidebar-alert-link {
    grid-template-columns: 28px 1fr auto;
    justify-items: stretch;
  }

  body.sidebar-collapsed .sidebar-alert {
    display: block;
  }

  body.sidebar-collapsed .sidebar-user-card {
    grid-template-columns: minmax(0, 70%) minmax(34px, 15%) minmax(34px, 15%);
    grid-template-areas: "profile theme logout";
    justify-items: stretch;
    row-gap: 0;
    column-gap: 0;
  }

  body.sidebar-collapsed .sidebar-user-profile {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    justify-items: stretch;
  }

  body.sidebar-collapsed .avatar {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  body.sidebar-collapsed .sidebar-theme,
  body.sidebar-collapsed .sidebar-logout {
    justify-self: end;
  }

  .page-content {
    width: min(100% - 28px, 1180px);
    padding-top: 22px;
  }

  .page-header {
    display: grid;
  }

  .dashboard-header {
    display: grid;
  }

  .header-actions {
    width: 100%;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }
}