body.auth-surface,
body.account-surface {
  min-block-size: 100dvh;
  overflow: auto;
  background: var(--color-cream);
}

.flash-region {
  display: grid;
  gap: .5rem;
  position: fixed;
  inset-block-start: 1rem;
  inset-inline: 50% auto;
  z-index: 100;
  inline-size: min(30rem, calc(100% - 2rem));
  max-block-size: calc(100dvh - 2rem);
  margin: 0;
  padding: 0;
  overflow-y: auto;
  border: 0;
  background: transparent;
  color: inherit;
  pointer-events: none;
  transform: translateX(-50%);
}

@supports selector(:popover-open) {
  .flash-region {
    opacity: 0;
    transition: display 180ms, opacity 180ms ease;
    transition-behavior: allow-discrete;
  }

  .flash-region:popover-open {
    opacity: 1;
  }

  @starting-style {
    .flash-region:popover-open {
      opacity: 0;
    }
  }
}

.flash-message {
  display: flex;
  align-items: start;
  gap: .75rem;
  margin: 0;
  padding: .8rem 1rem;
  border: .0625rem solid var(--color-line);
  border-inline-start: .25rem solid var(--color-coral);
  border-radius: .7rem;
  background: rgb(255 255 255 / 98%);
  box-shadow: var(--shadow-float);
  color: var(--color-navy);
  font-size: .8rem;
  pointer-events: auto;
  animation: flash-enter 220ms ease-out both;
}

.flash-message p {
  flex: 1;
  min-inline-size: 0;
  margin: 0;
}

.flash-dismiss {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  margin: -.35rem -.5rem -.35rem 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-navy-soft);
  font-size: 1.15rem;
  line-height: 1;
}

.flash-dismiss:hover {
  background: var(--color-panel-soft);
}

.flash-dismiss:focus-visible {
  outline: .18rem solid var(--color-coral);
  outline-offset: .08rem;
}

.flash-message.is-alert {
  border-inline-start-color: #b42318;
}

.auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-block-size: 4.5rem;
  padding-inline: max(1.25rem, env(safe-area-inset-left)) max(1.25rem, env(safe-area-inset-right));
  border-block-end: .0625rem solid var(--color-line);
  background: rgb(255 255 255 / 82%);
  backdrop-filter: blur(.8rem);
}

.auth-brand img {
  display: block;
  inline-size: 6.5rem;
  block-size: auto;
}

.quiet-link,
.back-link {
  color: var(--color-navy-soft);
  font-size: .78rem;
  font-weight: 720;
  text-decoration-thickness: .08rem;
  text-underline-offset: .22rem;
}

.auth-main {
  display: grid;
  place-items: start center;
  min-block-size: calc(100dvh - 4.5rem);
  padding: clamp(2.5rem, 8vh, 6rem) 1.25rem 4rem;
  background:
    linear-gradient(90deg, transparent 49.9%, rgb(16 38 83 / 4%) 50%, transparent 50.1%),
    var(--color-cream);
  background-size: 5rem 100%;
}

.auth-panel {
  inline-size: min(100%, 27rem);
  animation: surface-enter 300ms ease-out both;
}

.auth-panel h1,
.account-heading h1,
.account-section h1 {
  margin-block: .45rem 0;
  color: var(--color-navy);
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1;
  letter-spacing: -.055em;
  text-wrap: balance;
}

.auth-intro,
.account-heading p,
.section-intro {
  max-inline-size: 42rem;
  margin-block-start: .85rem;
  color: var(--color-muted);
  font-size: .88rem;
  line-height: 1.6;
  text-wrap: pretty;
}

.auth-form {
  display: grid;
  gap: 1.15rem;
  margin-block-start: 2rem;
}

.form-field {
  display: grid;
  gap: .4rem;
}

.form-field label,
.field-label,
.field-heading {
  color: var(--color-navy-soft);
  font-size: .75rem;
  font-weight: 760;
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.field-heading a {
  color: var(--color-navy-soft);
  font-weight: 650;
}

.form-field input:not([type="submit"]),
.role-form input:not([type="submit"]) {
  inline-size: 100%;
  min-block-size: 3.25rem;
  padding-inline: .85rem;
  border: .0625rem solid #9ca8ba;
  border-radius: var(--radius-control);
  background: var(--color-white);
  color: var(--color-navy);
  font-size: 1rem;
}

.form-field input:user-invalid {
  border-color: #b42318;
}

.form-field input:focus-visible,
.password-toggle:focus-visible,
.primary-action:focus-visible,
.secondary-action:focus-visible,
.quiet-button:focus-visible {
  border-color: var(--color-coral);
  outline: .18rem solid var(--color-coral);
  outline-offset: .12rem;
}

.password-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
}

.password-control input {
  grid-area: 1 / 1 / 2 / 3;
  padding-inline-end: 4.5rem !important;
}

.password-toggle {
  grid-area: 1 / 2;
  z-index: 1;
  min-inline-size: 4rem;
  margin: .3rem;
  border-radius: .45rem;
  background: var(--color-panel-soft);
  color: var(--color-navy-soft);
  font-size: .7rem;
  font-weight: 760;
}

.field-hint {
  margin: 0;
  color: var(--color-muted);
  font-size: .68rem;
  line-height: 1.5;
}

.primary-action,
.secondary-action,
.quiet-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 3rem;
  padding-inline: 1rem;
  border-radius: var(--radius-control);
  font: inherit;
  font-size: .78rem;
  font-weight: 780;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.primary-action {
  border: .0625rem solid var(--color-navy);
  background: var(--color-navy);
  color: var(--color-white);
  cursor: pointer;
}

.primary-action:hover {
  background: var(--color-navy-soft);
  transform: translateY(-.0625rem);
}

.secondary-action,
.quiet-button {
  border: .0625rem solid #aeb7c7;
  background: var(--color-white);
  color: var(--color-navy);
}

.quiet-button {
  cursor: pointer;
}

.secondary-action:hover,
.quiet-button:hover {
  border-color: var(--color-coral);
  background: var(--color-coral-soft);
}

.auth-switch {
  margin-block-start: 1.5rem;
  color: var(--color-muted);
  font-size: .78rem;
}

.auth-switch a {
  color: var(--color-navy);
  font-weight: 760;
  text-underline-offset: .2rem;
}

.form-errors {
  margin-block-start: 1.25rem;
  padding: .85rem 1rem;
  border-inline-start: .22rem solid #b42318;
  background: #fff4f2;
  color: #7a271a;
}

.form-errors h2 {
  font-size: .8rem;
}

.form-errors ul {
  margin: .4rem 0 0;
  padding-inline-start: 1.1rem;
  font-size: .72rem;
}

.account-main {
  inline-size: min(70rem, calc(100% - 2.5rem));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 7vw, 5.5rem) 5rem;
}

.account-main.is-narrow {
  inline-size: min(38rem, calc(100% - 2.5rem));
}

.account-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding-block-end: 2.5rem;
  border-block-end: .0625rem solid var(--color-line);
  animation: surface-enter 280ms ease-out both;
}

.account-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.account-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(16rem, .8fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding-block-start: 3rem;
}

.account-section h2,
.account-security h2 {
  margin-block: .35rem 0;
  font-size: 1.35rem;
  letter-spacing: -.03em;
}

.section-kicker {
  color: var(--color-muted);
  font-family: var(--font-meta);
  font-size: .64rem;
  font-weight: 650;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.readonly-value {
  margin: 0;
  color: var(--color-navy);
  font-size: .95rem;
}

.account-security {
  align-self: start;
  padding-inline-start: 1.5rem;
  border-inline-start: .0625rem solid var(--color-line);
}

.account-security p {
  margin-block: .75rem 1.25rem;
  color: var(--color-muted);
  font-size: .78rem;
  line-height: 1.6;
}

.back-link {
  display: inline-block;
  margin-block-end: 2rem;
}

.account-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 2.5rem;
  padding-inline: .65rem;
  border: .0625rem solid var(--color-line);
  border-radius: var(--radius-control);
  background: rgb(255 255 255 / 82%);
  color: var(--color-navy);
  font-size: .7rem;
  font-weight: 760;
  text-decoration: none;
}

.account-link:hover {
  border-color: var(--color-coral);
}

@keyframes surface-enter {
  from { opacity: 0; transform: translateY(.4rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes flash-enter {
  from { opacity: 0; transform: translateY(-.4rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 42rem) {
  .account-heading,
  .account-layout {
    grid-template-columns: 1fr;
  }

  .account-heading {
    display: grid;
    align-items: start;
  }

  .account-actions {
    flex-wrap: wrap;
  }

  .account-layout {
    gap: 2.5rem;
  }

  .account-security {
    padding: 1.5rem 0 0;
    border-inline-start: 0;
    border-block-start: .0625rem solid var(--color-line);
  }
}

@media (pointer: coarse) {
  :where(.password-toggle, .primary-action, .secondary-action, .quiet-button, .account-link) {
    min-block-size: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  :where(.auth-panel, .account-heading, .flash-message) {
    animation: none;
  }

  :where(.primary-action, .secondary-action, .quiet-button) {
    transition: none;
  }

  .flash-region {
    transition: none;
  }
}