/**
 * NFC platform UI — forms, dashboard, progress, redirect interstitial.
 * Uses design-system tokens only. No marketing redesign.
 */

.site-shell--platform .site-header {
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-shell--platform .site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.platform-page {
  padding-block: var(--space-10) var(--space-16);
}

.platform-page__inner {
  max-width: 36rem;
  margin-inline: auto;
}

.platform-page__inner--wide {
  max-width: 48rem;
}

.platform-eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.platform-page h1 {
  margin: 0 0 var(--space-3);
}

.platform-lede {
  margin: 0 0 var(--space-8);
  color: var(--color-text-secondary);
}

.platform-alert {
  margin: 0 0 var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-default);
  background: var(--color-secondary);
  color: var(--color-text-primary);
}

.platform-alert--error {
  border-color: color-mix(in srgb, #b42318 35%, var(--color-border-default));
  background: color-mix(in srgb, #b42318 8%, var(--color-secondary));
}

.platform-alert--success {
  border-color: color-mix(in srgb, #067647 35%, var(--color-border-default));
  background: color-mix(in srgb, #067647 8%, var(--color-secondary));
}

.platform-alert__title {
  margin: 0 0 var(--space-1);
  font-weight: var(--font-weight-semibold);
}

.platform-alert p {
  margin: 0;
  color: var(--color-text-secondary);
}

.platform-progress {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0 0 var(--space-8);
  padding: 0;
  list-style: none;
  counter-reset: platform-step;
}

.platform-progress__step {
  position: relative;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-white, #fff);
  color: var(--color-text-tertiary);
  text-align: center;
  font-size: var(--text-caption);
  counter-increment: platform-step;
}

.platform-progress__step::before {
  content: counter(platform-step);
  display: block;
  margin-bottom: var(--space-1);
  font-weight: var(--font-weight-semibold);
  color: inherit;
}

.platform-progress__step.is-active,
.platform-progress__step.is-complete {
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
  background: var(--color-secondary);
}

.platform-progress__label {
  display: block;
}

.platform-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  background: var(--color-white, #fff);
}

.platform-card + .platform-card {
  margin-top: var(--space-5);
}

.platform-card__title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
}

.platform-form {
  display: grid;
  gap: var(--space-5);
}

.platform-field {
  display: grid;
  gap: var(--space-2);
}

.platform-field label {
  font-size: var(--text-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.platform-field input,
.platform-field select,
.platform-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-white, #fff);
  color: var(--color-text-primary);
  font: inherit;
  box-sizing: border-box;
}

.platform-field input:focus,
.platform-field select:focus,
.platform-field textarea:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.platform-field input[readonly] {
  background: var(--color-secondary);
  color: var(--color-text-secondary);
}

.platform-field__hint {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: var(--text-caption);
}

.platform-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.platform-form__actions .btn {
  width: 100%;
}

@media (min-width: 480px) {
  .platform-form__actions .btn {
    width: auto;
  }
}

.platform-meta {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
}

.platform-meta__row {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
}

@media (min-width: 640px) {
  .platform-meta__row {
    grid-template-columns: 10rem 1fr;
    align-items: baseline;
    gap: var(--space-4);
  }
}

.platform-meta__label {
  color: var(--color-text-tertiary);
  font-size: var(--text-caption);
  letter-spacing: 0.02em;
}

.platform-meta__value {
  margin: 0;
  word-break: break-word;
  font-weight: var(--font-weight-medium);
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-secondary);
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-semibold);
}

.platform-badge--success {
  background: color-mix(in srgb, #067647 12%, var(--color-secondary));
  color: #067647;
}

.platform-dashboard {
  display: grid;
  gap: var(--space-5);
}

.platform-stats {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .platform-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.platform-stat {
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-secondary);
}

.platform-stat__label {
  margin: 0 0 var(--space-2);
  color: var(--color-text-tertiary);
  font-size: var(--text-caption);
}

.platform-stat__value {
  margin: 0;
  font-size: var(--text-body-lg, 1.125rem);
  font-weight: var(--font-weight-semibold);
}

.platform-placeholder {
  padding: var(--space-5);
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-lg);
  color: var(--color-text-tertiary);
}

.platform-placeholder h2 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
}

.platform-page #edit-destination {
  scroll-margin-top: var(--space-16);
}

.platform-howto {
  margin: 0 0 var(--space-5);
  padding-left: 1.25rem;
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-secondary);
}

.platform-success {
  text-align: center;
}

.platform-success__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: var(--space-5);
  border-radius: 999px;
  background: color-mix(in srgb, #067647 12%, var(--color-secondary));
  color: #067647;
  font-size: 1.5rem;
  line-height: 1;
}

.platform-success__list {
  margin: var(--space-8) 0;
  padding: 0;
  list-style: none;
  text-align: left;
  display: grid;
  gap: var(--space-4);
}

.platform-success__list li {
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-secondary);
}

.platform-success__list strong {
  display: block;
  margin-bottom: var(--space-1);
}

.platform-success__list p {
  margin: 0;
  color: var(--color-text-secondary);
}

.platform-redirect {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-10) var(--space-4);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.platform-redirect.is-visible {
  opacity: 1;
}

.platform-redirect__brand {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display, var(--font-body));
  font-size: var(--text-body-lg, 1.125rem);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
}

.platform-redirect__spinner {
  width: 2rem;
  height: 2rem;
  margin: var(--space-5) auto 0;
  border: 2px solid var(--color-border-default);
  border-top-color: var(--color-text-primary);
  border-radius: 999px;
  animation: platform-spin 0.8s linear infinite;
}

@keyframes platform-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-redirect__spinner {
    animation: none;
    border-top-color: var(--color-border-default);
    opacity: 0.7;
  }

  .platform-redirect {
    transition: none;
  }
}