.l-stack {
  display: flex;
  flex-direction: column;
}

.l-stack--2 {
  gap: var(--space-2);
}

.l-stack--3 {
  gap: var(--space-3);
}

.l-stack--4 {
  gap: var(--space-4);
}

.l-stack--5 {
  gap: var(--space-5);
}

.l-stack--6 {
  gap: var(--space-6);
}

.l-stack--8 {
  gap: var(--space-8);
}

.l-row {
  display: flex;
  align-items: center;
}

.l-row--between {
  justify-content: space-between;
}

.l-row--end {
  justify-content: flex-end;
}

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

.l-auth-panel {
  width: var(--auth-panel-width);
  background: var(--color-surface);
  border-radius: var(--radius-panel);
  padding: var(--space-auth-pad);
  box-shadow: none;
  border: 0;
}

.l-cabinet-shell {
  min-height: 100vh;
  padding: var(--space-7) var(--space-4);
}

.l-cabinet {
  width: var(--cabinet-max);
  margin: 0 auto;
}

.l-cabinet--with-nav {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  column-gap: var(--space-6);
  align-items: start;
}

.l-cabinet__rail {
  position: sticky;
  top: var(--space-7);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-self: start;
  width: var(--sidebar-width);
}

.l-cabinet__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.l-cabinet__header {
  grid-area: header;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  column-gap: var(--space-6);
  row-gap: var(--space-2);
  align-items: start;
}

.l-cabinet--full {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "intro"
    "toolbar"
    "main";
  row-gap: var(--space-6);
}

.l-cabinet__intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.l-cabinet--with-nav .l-cabinet__intro,
.l-cabinet--with-nav .l-cabinet__toolbar {
  display: grid;
  grid-template-rows:
    var(--control-h)
    calc(var(--fs-xl) * var(--lh-tight))
    calc(var(--fs-sm) * var(--lh-body));
  row-gap: var(--space-2);
  align-items: center;
}

.l-cabinet--full .l-cabinet__intro {
  grid-area: intro;
}

.l-cabinet__toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.l-cabinet--full .l-cabinet__toolbar {
  grid-area: toolbar;
  justify-content: space-between;
  align-items: stretch;
  gap: var(--space-2);
}

.l-cabinet__toolbar-top {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  min-height: 0;
}

.l-cabinet__toolbar-mid {
  display: flex;
  align-items: center;
  height: 100%;
  min-height: 0;
}

.l-cabinet__toolbar-meta {
  display: flex;
  align-items: center;
  height: 100%;
  min-height: 0;
}

.l-cabinet--with-nav .l-cabinet__intro .l-brand,
.l-cabinet--with-nav .l-cabinet__intro .p-cab__title,
.l-cabinet--with-nav .l-cabinet__intro .p-cab__meta {
  display: flex;
  align-items: center;
  height: 100%;
  margin: 0;
  min-height: 0;
}

.l-cabinet__status {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 1.25rem;
  width: 100%;
}

.l-cabinet__status > .l-cabinet__busy,
.l-cabinet__status > .l-cabinet__page-actions {
  grid-area: 1 / 1;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.l-cabinet__logout {
  align-self: center;
}

.l-cabinet__page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.l-cabinet__busy {
  align-self: center;
  margin: 0;
}

.l-cabinet__status.is-busy > .l-cabinet__page-actions {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.l-cabinet__status:not(.is-busy) > .l-cabinet__busy {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.l-cabinet__status.is-busy > .l-cabinet__busy {
  opacity: 1;
  visibility: visible;
}

.l-sidebar {
  width: 100%;
  z-index: 30;
}

.l-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-surface);
  border-radius: var(--radius-panel);
  padding: var(--space-4) var(--space-3);
  min-height: 18rem;
}

.l-sidebar__link {
  display: block;
  padding: 0.7rem var(--space-4);
  border-radius: var(--radius-control);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--fs-sm);
  line-height: 1.35;
  border-left: 3px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.l-sidebar__link:hover {
  color: var(--color-text);
  background: var(--color-page-bg);
}

.l-sidebar__link.is-active {
  color: var(--color-text);
  font-weight: 600;
  background: var(--color-page-bg);
  border-left-color: var(--color-accent);
}

.l-cabinet__main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.l-cabinet__main--full {
  width: 100%;
}

.l-brand {
  font-family: var(--font-display);
  font-size: var(--fs-brand);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: var(--lh-tight);
}

.l-fields-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.l-fields-row--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.l-fields-row--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.l-phone-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  grid-column: span 2;
}

.l-phone-group--one {
  grid-column: auto;
}

.l-phone-group__label {
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.l-phone-group__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(5rem, 7rem);
  gap: var(--space-2);
  align-items: center;
}

.l-phone-group__sep {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.l-field-narrow {
  max-width: var(--field-email-max);
}

@media (max-width: 720px) {
  .l-cabinet--with-nav {
    grid-template-columns: 1fr;
  }

  .l-cabinet__rail {
    position: static;
    width: 100%;
  }

  .l-cabinet__header {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .l-cabinet__intro,
  .l-cabinet__toolbar {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .l-cabinet__toolbar-top {
    order: -1;
  }

  .l-sidebar {
    width: 100%;
  }

  .l-sidebar__nav {
    min-height: 0;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-1);
    padding: var(--space-3);
  }

  .l-sidebar__link {
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .l-sidebar__link.is-active {
    border-bottom-color: var(--color-accent);
  }

  .l-fields-row {
    grid-template-columns: 1fr;
  }

  .l-fields-row--2,
  .l-fields-row--3 {
    grid-template-columns: 1fr;
  }

  .l-phone-group {
    grid-column: auto;
  }

  .l-phone-group__row {
    grid-template-columns: 1fr;
  }

  .l-field-narrow {
    max-width: none;
  }
}