.stack-page {
  width: min(100%, var(--public-page-max-width));
  min-height: 760px;
  margin: 0 auto;
  padding: var(--public-page-space-start) var(--public-page-gutter) var(--public-page-space-end);
}

.stack-hero__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-top: 20px;
}

.stack-hero h1 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-editorial);
  font-size: 50px;
  font-weight: var(--font-weight-regular);
  letter-spacing: -0.025em;
  line-height: 56px;
  overflow-wrap: anywhere;
}

.stack-hero__count {
  margin: 10px 0 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.stack-hero__actions {
  display: flex;
  gap: 10px;
}

.stack-local-note {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 28px;
  padding: 17px 22px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-signal);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  font-size: 13px;
}

.stack-local-note svg {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--color-signal);
}

.stack-local-note p,
.stack-message p {
  margin: 0;
}

.stack-share {
  margin-top: 18px;
  padding: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.stack-share[hidden] {
  display: none;
}

.stack-share__intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.stack-share__intro h2,
.stack-share__success h2 {
  margin: 7px 0 0;
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 29px;
  font-weight: 500;
  line-height: 35px;
}

.stack-share__intro p:not(.public-eyebrow),
.stack-share__success > p:not(.public-eyebrow),
.shared-stack-manage__hero > p,
.shared-stack-manage__panel p {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 20px;
}

.stack-share__close {
  display: grid;
  flex: none;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 22px;
}

.stack-share__form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.45fr) auto;
  align-items: end;
  gap: 18px;
  margin-top: 22px;
}

.stack-share__form .public-validation {
  grid-column: 1 / -1;
}

.stack-share__submit {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 7px;
}

.stack-share__submit p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 11px;
}

.public-validation:empty {
  display: none;
}

.public-validation {
  padding: 12px 14px;
  border-left: 3px solid var(--color-error);
  background: var(--color-error-muted);
  color: var(--color-error);
  font-size: 13px;
}

.public-validation ul {
  margin: 0;
  padding-left: 18px;
}

.stack-share__success {
  padding: 2px 0;
}

.stack-share__link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px 10px;
  margin-top: 20px;
}

.stack-share__link-row label {
  grid-column: 1 / -1;
}

.stack-share__link-row input {
  font-family: var(--font-metadata);
  font-size: 12px;
}

.stack-share__success-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.stack-share__status,
.stack-share__warning {
  min-height: 18px;
  margin: 10px 0 0;
  font-size: 12px;
}

.stack-share__status {
  color: var(--color-success);
}

.stack-share__warning {
  color: var(--color-warning);
}

.stack-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 13px;
}

.stack-message strong {
  color: var(--color-text);
}

.stack-message div p {
  margin-top: 3px;
  color: var(--color-text-secondary);
}

.stack-message--error {
  border-color: var(--color-error);
  background: var(--color-error-muted);
  color: var(--color-error);
}

.stack-empty {
  display: flex;
  min-height: 420px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  margin-top: 28px;
  padding: 56px 24px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
}

.stack-empty__mark {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 20px;
  place-items: center;
  border: 1px solid var(--color-signal);
  border-radius: 0;
  background: var(--color-signal-muted);
  color: var(--color-signal);
  font-family: var(--font-ui);
  font-size: 34px;
  line-height: 1;
}

.stack-empty h2 {
  margin: 10px 0 0;
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 34px;
  font-weight: 500;
  line-height: 40px;
}

.stack-empty > p:not(.public-eyebrow) {
  max-width: 480px;
  margin: 12px 0 24px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 22px;
}

.stack-sources {
  margin-top: 28px;
}

.stack-sources__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  margin-bottom: 12px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-metadata);
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stack-sources__header h2 {
  margin: 0;
  font: inherit;
}

.stack-source-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stack-source {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition: border-color 140ms ease, background-color 140ms ease;
}

.stack-source:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-raised);
}

.stack-source .source-card {
  min-height: 168px;
  grid-template-columns: 56px minmax(210px, 0.9fr) minmax(250px, 1.1fr) auto;
  grid-template-rows: auto auto;
  align-items: start;
  column-gap: 28px;
  row-gap: 20px;
  padding: 24px;
  border: 0;
  border-radius: inherit;
  background: transparent;
  transition: none;
}

.stack-source .source-card:hover {
  background: transparent;
}

.stack-source .source-card__metadata {
  grid-column: 2 / 4;
  grid-row: 2;
}

.stack-page .stack-source .source-card__save {
  display: none;
}

.stack-source__controls {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, 42px);
  align-content: start;
  gap: 8px;
  padding: 24px 24px 24px 0;
}

.stack-source__controls button {
  display: grid;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  place-items: center;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
}

.stack-source__controls button:hover:not(:disabled) {
  border-color: var(--color-border-strong);
  background: var(--color-background);
}

.stack-source__controls button:disabled {
  color: var(--color-text-secondary);
  cursor: not-allowed;
  opacity: 0.45;
}

.stack-source__controls .stack-source__remove {
  min-height: 42px;
  grid-column: 1 / -1;
  color: var(--color-error);
  font-size: var(--font-size-label);
}

.stack-source__controls .stack-source__remove:hover:not(:disabled) {
  border-color: var(--color-error);
  background: var(--color-error-muted);
}

.shared-stack-source {
  display: block;
}

.shared-stack-source--snapshot .source-card {
  grid-template-columns: 56px minmax(210px, 0.9fr) minmax(250px, 1.1fr) 132px;
}

.shared-stack-source--snapshot .source-card__description {
  grid-column: 3;
  grid-row: 1;
}

.shared-stack-source--snapshot .source-card__metadata {
  grid-column: 2 / 5;
  grid-row: 2;
}

.stack-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 22px 24px;
  background: var(--color-footer-background);
  color: var(--color-footer-heading);
}

.stack-callout p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 23px;
  font-weight: 500;
}

.stack-callout a {
  font-size: 13px;
  font-weight: 600;
}

.stack-callout a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.shared-stack-page {
  width: min(100%, var(--public-page-max-width));
  min-height: 720px;
  margin: 0 auto;
  padding: var(--public-page-space-start) var(--public-page-gutter) var(--public-page-space-end);
}

.shared-stack-hero__heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-top: 20px;
}

.shared-stack-hero h1,
.shared-stack-manage__hero h1,
.shared-stack-state h1 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-editorial);
  font-size: 50px;
  font-weight: var(--font-weight-regular);
  letter-spacing: -0.025em;
  line-height: 56px;
  overflow-wrap: anywhere;
}

.shared-stack-hero__heading > div > p {
  margin: 10px 0 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.shared-stack-groups .stack-sources:first-child {
  margin-top: 28px;
}

.shared-stack-source__snapshot {
  position: absolute;
  z-index: 2;
  top: 24px;
  right: 24px;
  padding: 5px 9px;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-pill);
  background: var(--color-background);
  color: var(--color-text-secondary);
  font-family: var(--font-metadata);
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shared-stack-state {
  display: flex;
  min-height: 520px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 64px 24px;
  text-align: center;
}

.shared-stack-state h1 {
  max-width: 700px;
  margin-top: 16px;
}

.shared-stack-state > p:not(.public-eyebrow) {
  max-width: 560px;
  margin: 15px 0 24px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 22px;
}

.shared-stack-manage {
  max-width: 920px;
}

.shared-stack-manage__hero {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.shared-stack-manage__hero h1 {
  margin-top: 17px;
}

.shared-stack-manage__panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.shared-stack-manage__panel h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 28px;
  font-weight: 500;
  line-height: 34px;
}

.shared-stack-manage__panel form {
  flex: none;
  text-align: right;
}

.public-button--danger {
  border-color: var(--color-error);
  background: var(--color-error);
  color: var(--color-text-inverse);
}

.public-button--danger:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.shared-stack-manage__key-status {
  max-width: 310px;
  margin: 9px 0 0;
  color: var(--color-text-secondary);
  font-size: 11px;
  line-height: 16px;
}

.shared-stack-manage__back {
  display: inline-block;
  margin-top: 24px;
  color: var(--color-signal);
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 1080px) {
  .stack-page,
  .shared-stack-page {
    padding-right: var(--public-page-gutter);
    padding-left: var(--public-page-gutter);
  }

  .stack-source .source-card {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    grid-template-rows: auto auto auto;
    column-gap: 22px;
  }

  .stack-source .source-card__description {
    grid-column: 2 / 4;
    grid-row: 2;
    padding: 18px 0 0;
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .stack-source .source-card__metadata {
    grid-column: 2 / 4;
    grid-row: 3;
  }

  .shared-stack-source--snapshot .source-card {
    grid-template-columns: 48px minmax(0, 1fr) 124px;
  }

  .shared-stack-source--snapshot .source-card__metadata {
    grid-column: 2 / 4;
  }

  .shared-stack-source .source-card__save {
    grid-column: 3;
    grid-row: 1;
  }

  .stack-share__form {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.5fr);
  }

  .stack-share__submit {
    grid-column: 1 / -1;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (max-width: 700px) {
  .stack-page,
  .shared-stack-page {
    min-height: 580px;
    padding: 30px var(--public-page-gutter) var(--public-page-space-end-mobile);
  }

  .stack-hero__heading {
    display: block;
    margin-top: 14px;
  }

  .stack-hero__actions {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 20px;
  }

  .stack-hero__actions .public-button,
  .stack-hero__heading .stack-hero__actions .public-button {
    margin-top: 0;
  }

  .stack-hero h1 {
    max-width: 330px;
    font-size: 39px;
    line-height: 44px;
  }

  .stack-hero__heading .public-button {
    margin-top: 20px;
  }

  .stack-local-note {
    align-items: flex-start;
    margin-top: 22px;
    padding: 14px;
    line-height: 19px;
  }

  .stack-share {
    padding: 18px;
  }

  .stack-share__form,
  .stack-share__link-row {
    grid-template-columns: 1fr;
  }

  .stack-share__submit {
    align-items: stretch;
    flex-direction: column;
  }

  .stack-share__submit .public-button,
  .stack-share__link-row .public-button {
    width: 100%;
  }

  .stack-share__success-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .stack-message {
    align-items: flex-start;
    flex-direction: column;
  }

  .stack-empty {
    min-height: 340px;
    padding: 42px 20px;
  }

  .stack-empty h2 {
    font-size: 30px;
    line-height: 36px;
  }

  .stack-sources {
    margin-top: 22px;
  }

  .stack-source {
    display: block;
  }

  .stack-source .source-card {
    min-height: 0;
    grid-template-columns: 46px minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    column-gap: 14px;
    row-gap: 16px;
    padding: 18px;
  }

  .stack-source .source-card__avatar {
    width: 46px;
    height: 46px;
  }

  .stack-source .source-card__description {
    display: block;
    grid-column: 1 / -1;
    grid-row: 2;
    padding: 16px 0 0;
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .stack-source .source-card__metadata {
    grid-column: 1 / -1;
    grid-row: 3;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stack-source__controls {
    display: flex;
    justify-content: flex-start;
    padding: 12px 18px 18px;
    border-top: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
    background: var(--color-background);
  }

  .stack-page .stack-source .source-card {
    border-radius: var(--radius-card) var(--radius-card) 0 0;
  }

  .shared-stack-source .source-card {
    grid-template-rows: auto auto auto auto;
  }

  .shared-stack-source .source-card__save {
    width: auto;
    min-width: 88px;
    min-height: 44px;
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }

  .shared-stack-source .source-card__description {
    grid-row: 3;
  }

  .shared-stack-source .source-card__metadata {
    grid-row: 4;
  }

  .shared-stack-source--snapshot .source-card {
    grid-template-rows: auto auto auto;
  }

  .shared-stack-source--snapshot .source-card__description {
    grid-row: 2;
  }

  .shared-stack-source--snapshot .source-card__metadata {
    grid-row: 3;
  }

  .stack-source__controls .stack-source__remove {
    margin-left: auto;
  }

  .stack-callout {
    align-items: flex-start;
    flex-direction: column;
  }

  .shared-stack-hero__heading {
    display: block;
    margin-top: 14px;
  }

  .shared-stack-hero h1,
  .shared-stack-manage__hero h1,
  .shared-stack-state h1 {
    font-size: 39px;
    line-height: 44px;
  }

  .shared-stack-hero__heading .public-button {
    margin-top: 20px;
  }

  .shared-stack-source__snapshot {
    position: static;
    display: inline-flex;
    margin: 0 18px 18px;
  }

  .shared-stack-state {
    min-height: 430px;
    padding-right: 0;
    padding-left: 0;
  }

  .shared-stack-manage__panel {
    align-items: stretch;
    flex-direction: column;
  }

  .shared-stack-manage__panel form {
    text-align: left;
  }
}