.header-container:has(.header-account:not([hidden])) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.5rem 1.25rem;
}

.header-account {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.4rem;
  white-space: nowrap;
  font: 600 0.85rem/1.3 var(--font-ui);
}

.header-account,
#account-dialog button {
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #fff;
  color: var(--text-main);
  cursor: pointer;
}

.header-account:hover,
#account-dialog button:hover:not(:disabled) {
  background: #f3f4f6;
  color: var(--text-main);
}

.header-account:focus-visible,
#account-dialog :is(button, input):focus-visible {
  outline: 2px solid var(--text-main);
  outline-offset: 2px;
}

.header-account[hidden],
#account-dialog [hidden] {
  display: none;
}

#account-dialog {
  inset: 0;
  width: min(26rem, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 1.25rem;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-main);
}

#account-dialog::backdrop {
  background: rgb(17 24 39 / 45%);
}

.account-dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

#account-dialog h2 {
  font-size: 1.25rem;
}

#close-account {
  min-width: 44px;
  font-size: 1.25rem;
}

#sign-in-form:not([hidden]) {
  display: grid;
  gap: 0.5rem;
  justify-items: start;
}

#account-email {
  width: 100%;
  min-height: 44px;
  padding: 0.5rem;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  font: inherit;
}

#account-dialog p:not(:empty) {
  margin: 0.75rem 0;
}

@media (max-width: 599px) {
  .header-container:has(.header-account:not([hidden])) {
    grid-template-columns: 1fr auto;
  }

  .header-container:has(.header-account:not([hidden])) .main-nav {
    grid-area: 2 / 1 / 3 / -1;
    gap: 0.5rem 1rem;
  }

  .header-account {
    grid-area: 1 / 2;
  }
}