*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--c-base);
}

body {
  min-width: 0;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background: var(--c-base);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.45;
}

button,
input {
  font: inherit;
}

button {
  min-height: 44px;
  border-radius: 0;
}

button:not(:disabled),
label[for],
.check-control {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.suite-link {
  position: fixed;
  z-index: 2;
  top: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 var(--space-2);
  border: 1px solid var(--line);
  background: var(--c-base);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  min-height: 100dvh;
  overflow: clip;
}

.art-stage,
.auth-stage {
  min-width: 0;
}

.art-stage {
  display: grid;
  align-content: end;
  gap: var(--space-2);
  padding: var(--space-6);
  background: var(--c-rear);
  border-inline-end: 1px solid var(--line);
}

.brand-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.art-name,
.art-designation,
.art-lead,
.form-kicker,
.field label,
.field-help,
.field-error,
.text-action,
.check-control,
.suite-link,
.form-status {
  font-family: var(--font-mono);
  letter-spacing: 0.07em;
}

.art-name,
.art-designation,
.form-kicker {
  margin: 0;
  color: var(--c-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.art-lead {
  max-width: 28ch;
  margin: 0;
  color: var(--c-muted);
  font-size: 0.75rem;
}

.art-slot {
  min-width: 0;
}

.auth-stage {
  display: grid;
  align-content: center;
  justify-items: stretch;
  padding: var(--space-6);
  background: var(--c-base);
}

.auth-form,
.recovery-form,
.success-view {
  width: min(100%, 34rem);
  margin-inline: auto;
}

.auth-form,
.recovery-form {
  display: grid;
  gap: var(--space-4);
}

.auth-form h1,
.recovery-form h2,
.success-view h2 {
  max-width: 12ch;
  margin: 0;
  color: var(--c-text);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.field {
  display: grid;
  gap: var(--space-1);
}

.field-heading,
.form-options,
.recovery-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.field label,
.check-control {
  color: var(--c-text);
  font-size: 0.6875rem;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: 0;
  background: var(--c-plane);
  color: var(--c-text);
  padding: 0 var(--space-3);
}

.field input::placeholder {
  color: var(--c-muted);
}

input:focus-visible,
button:focus-visible,
.suite-link:focus-visible,
.gallery a:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: 2px;
}

.field input[aria-invalid="true"] {
  border-color: var(--c-signal);
}

.field-help,
.field-error,
.form-status {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.6875rem;
  line-height: 1.5;
}

.field-error:not([hidden]) {
  display: flex;
  gap: var(--space-1);
  align-items: flex-start;
  border-inline-start: 2px solid var(--c-signal);
  color: var(--c-text);
  padding-inline-start: var(--space-2);
}

.field-error:not([hidden])::before {
  content: "ERROR:";
  color: var(--c-signal);
  font-weight: 700;
}

.text-action {
  border: 0;
  background: transparent;
  color: var(--c-text);
  padding: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  text-align: start;
  text-decoration-line: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.22em;
}

.text-action:hover {
  color: var(--c-signal);
  text-decoration-color: currentcolor;
}

.check-control {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-1);
}

.check-control input {
  appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--c-plane);
}

.check-control input:checked {
  border-color: var(--c-signal);
  background: var(--c-signal);
  box-shadow: inset 0 0 0 4px var(--c-base);
}

.submit-action {
  width: 100%;
  border: 1px solid var(--c-signal);
  border-radius: 0;
  background: var(--c-text);
  color: var(--c-base);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.submit-action:hover:not(:disabled) {
  background: var(--c-muted);
  border-color: var(--c-muted);
}

.submit-action:active:not(:disabled),
.text-action:active,
.suite-link:active {
  transform: translateY(1px);
}

.busy-line {
  display: block;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--c-signal);
  opacity: 0;
  transition: transform 160ms ease, opacity 160ms ease;
}

html[data-auth-state="busy"] .busy-line {
  transform: scaleX(1);
  opacity: 1;
}

.success-view {
  display: grid;
  gap: var(--space-4);
}

.form-status:not(:empty) {
  width: min(100%, 34rem);
  margin: var(--space-3) auto 0;
  border-inline-start: 2px solid var(--line-strong);
  padding-inline-start: var(--space-2);
}

.form-status[data-status-level="error"]:not(:empty) {
  display: flex;
  gap: var(--space-1);
  align-items: flex-start;
  border-inline-start: 2px solid var(--c-signal);
  color: var(--c-text);
}

.form-status[data-status-level="error"]:not(:empty)::before {
  content: "ERROR:";
  color: var(--c-signal);
  font-weight: 700;
}

@media (max-width: 767px) {
  .login-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .art-stage {
    min-height: 11rem;
    padding: calc(var(--space-6) + 2rem) var(--space-3) var(--space-3);
    border-inline-end: 0;
    border-block-end: 1px solid var(--line);
  }

  .auth-stage {
    align-content: start;
    padding: var(--space-4) var(--space-3);
  }

  .form-options,
  .recovery-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .form-options .text-action,
  .recovery-actions .text-action {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}