.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  background: rgb(239 240 241 / 94%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.nav {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  min-height: var(--header-height);
  align-items: stretch;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  width: fit-content;
  color: var(--ink-900);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink-900);
}

.brand img {
  width: 34px;
  height: 34px;
}

.brand__suffix {
  color: var(--ink-600);
  font-weight: 400;
}

.nav__links,
.language-switch {
  display: flex;
  align-items: stretch;
}

.nav__link,
.language-switch button,
.nav__menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 7.5rem;
  padding-inline: 1.2rem;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--border);
  color: var(--ink-700);
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition);
}

.nav__link:hover,
.nav__link[aria-current="page"],
.language-switch button:hover,
.language-switch button[aria-pressed="true"] {
  background: var(--paper-150);
  color: var(--ink-950);
}

.language-switch button {
  min-width: 3.6rem;
  padding-inline: 0.9rem;
  text-transform: uppercase;
}

.nav__menu-button {
  display: none;
  min-width: 4.25rem;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.8rem 1.25rem;
  background: var(--action);
  border: 1px solid var(--action);
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 600;
  line-height: 1.1;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.button:hover {
  background: var(--action-hover);
  border-color: var(--action-hover);
  color: white;
}

.button:active {
  transform: translateY(1px);
}

.button:disabled,
.button[aria-disabled="true"] {
  background: var(--paper-300);
  border-color: var(--paper-300);
  color: var(--ink-500);
  cursor: not-allowed;
  transform: none;
}

.button--secondary {
  background: transparent;
  border-color: var(--ink-500);
  color: var(--ink-900);
}

.button--secondary:hover {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: white;
}

.button--inverse {
  background: transparent;
  border-color: var(--ink-600);
  color: var(--paper-100);
}

.button--inverse:hover {
  background: var(--paper-100);
  border-color: var(--paper-100);
  color: var(--ink-900);
}

.button--small {
  min-height: 40px;
  padding: 0.65rem 0.95rem;
  font-size: 0.875rem;
}

.button__icon {
  width: 1rem;
  height: 1rem;
}

.field {
  display: grid;
  gap: 0.55rem;
}

.field label,
.fieldset__legend {
  font-size: 0.88rem;
  font-weight: 600;
}

.field__hint {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.input,
.select {
  width: 100%;
  min-height: 52px;
  padding: 0.8rem 0.95rem;
  background: var(--paper-50);
  border: 1px solid var(--paper-300);
  border-radius: var(--radius-sm);
  color: var(--ink-900);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:hover,
.select:hover {
  border-color: var(--ink-500);
}

.input:focus,
.select:focus {
  border-color: var(--brick-500);
  box-shadow: 0 0 0 3px var(--brick-100);
  outline: 0;
}

.input[aria-invalid="true"] {
  border-color: var(--red-700);
}

.field__error {
  color: var(--red-700);
  font-size: 0.82rem;
}

.checkbox {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.7rem;
  align-items: start;
  color: var(--ink-700);
  font-size: 0.875rem;
  line-height: 1.4;
}

.checkbox input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.08rem 0 0;
  accent-color: var(--brick-500);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  padding: 1rem;
  background: var(--blue-50);
  border-left: 3px solid var(--blue-700);
  color: var(--blue-700);
  font-size: 0.88rem;
}

.notice--error {
  background: var(--red-50);
  border-color: var(--red-700);
  color: var(--red-700);
}

.notice--success {
  background: var(--green-50);
  border-color: var(--green-700);
  color: var(--green-700);
}

.notice__icon {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.05rem;
}

.card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
}

.card__head,
.card__body,
.card__foot {
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.card__head,
.card__foot {
  border-bottom: 1px solid var(--border);
}

.card__foot {
  border-top: 1px solid var(--border);
  border-bottom: 0;
}

.badge {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.48rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--critical,
.badge--high,
.badge--fail {
  background: var(--red-50);
  color: var(--red-700);
}

.badge--medium,
.badge--warning {
  background: var(--amber-50);
  color: var(--amber-700);
}

.badge--low,
.badge--info,
.badge--not-checked {
  background: var(--blue-50);
  color: var(--blue-700);
}

.badge--pass,
.badge--success {
  background: var(--green-50);
  color: var(--green-700);
}

.badge--neutral,
.badge--not-applicable {
  background: var(--paper-150);
  color: var(--ink-600);
}

.progress-block {
  display: grid;
  gap: 0.8rem;
}

.progress-block__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

progress,
meter {
  width: 100%;
  height: 8px;
  overflow: hidden;
  background: var(--paper-200);
  border: 0;
  border-radius: 0;
  accent-color: var(--brick-500);
}

progress::-webkit-progress-bar,
meter::-webkit-meter-bar {
  background: var(--paper-200);
  border: 0;
}

progress::-webkit-progress-value,
meter::-webkit-meter-optimum-value,
meter::-webkit-meter-suboptimum-value,
meter::-webkit-meter-even-less-good-value {
  background: var(--brick-500);
}

progress::-moz-progress-bar {
  background: var(--brick-500);
}

.connection-state {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.connection-state::before {
  width: 7px;
  height: 7px;
  background: var(--green-700);
  border-radius: 50%;
  content: "";
}

.connection-state[data-state="polling"]::before {
  background: var(--amber-700);
}

.connection-state[data-state="offline"]::before {
  background: var(--red-700);
}

.stage-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stage-list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
  min-height: 46px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.86rem;
}

.stage-list li:first-child {
  border-top: 0;
}

.stage-list__index {
  font-variant-numeric: tabular-nums;
}

.stage-list li[data-state="active"] {
  color: var(--ink-900);
  font-weight: 600;
}

.stage-list li[data-state="complete"] .stage-list__index {
  color: var(--green-700);
}

.stage-list li[data-state="active"] .stage-list__index {
  color: var(--brick-500);
}

.stage-list__status {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skeleton {
  position: relative;
  overflow: hidden;
  min-height: 1rem;
  background: var(--paper-200);
}

.skeleton::after {
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 70%), transparent);
  content: "";
  animation: skeleton 1.4s infinite;
}

@keyframes skeleton {
  to { transform: translateX(100%); }
}

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

.site-footer {
  background: var(--ink-900);
  color: var(--paper-100);
}

.site-footer .muted {
  color: var(--paper-300);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  border-inline: 1px solid var(--border-dark);
}

.footer__column {
  min-height: 230px;
  padding: clamp(1.5rem, 3vw, 3rem);
  border-right: 1px solid var(--border-dark);
}

.footer__column:last-child {
  border-right: 0;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.1rem;
}

.footer__brand img {
  width: 38px;
}

.footer__title {
  margin-bottom: 1.2rem;
  color: var(--paper-300);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer__links {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__links a {
  color: var(--paper-100);
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--brick-100);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.5rem, 3vw, 3rem);
  border: 1px solid var(--border-dark);
  color: var(--paper-300);
  font-size: 0.75rem;
}