/* Swiftener Platform — shared UI components */

.platform-topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--platform-topbar-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
  color: var(--platform-text);
  background: var(--platform-bg-elevated);
  border-bottom: 1px solid var(--platform-border);
  box-shadow: var(--platform-shadow-sm);
}

.platform-topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--platform-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.platform-topbar__mark {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 0.4rem;
  background: linear-gradient(135deg, var(--platform-accent), color-mix(in srgb, var(--platform-accent) 55%, #6366f1));
  flex-shrink: 0;
}

.platform-topbar__suite {
  color: var(--platform-text-muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.platform-topbar__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.platform-topbar__nav::-webkit-scrollbar {
  display: none;
}

.platform-topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--platform-radius-full);
  color: var(--platform-text-muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--platform-transition), color var(--platform-transition);
}

.platform-topbar__link:hover {
  color: var(--platform-text);
  background: var(--platform-surface-muted);
}

.platform-topbar__link.is-active {
  color: var(--platform-accent);
  background: var(--platform-accent-soft);
}

.platform-topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.platform-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--platform-radius);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--platform-transition), border-color var(--platform-transition), transform 0.12s ease;
}

.platform-btn:focus-visible {
  outline: none;
  box-shadow: var(--platform-focus);
}

.platform-btn--primary {
  background: var(--platform-accent);
  color: #fff;
}

.platform-btn--primary:hover {
  background: var(--platform-accent-hover);
}

.platform-btn--ghost {
  background: transparent;
  color: var(--platform-text-muted);
  border-color: var(--platform-border);
}

.platform-btn--ghost:hover {
  color: var(--platform-text);
  background: var(--platform-surface-muted);
}

.platform-btn--sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
}

.platform-footer {
  margin-top: 3rem;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--platform-border);
  background: var(--platform-surface-muted);
}

.platform-footer__inner {
  max-width: var(--platform-content-max);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.platform-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1.25rem;
}

.platform-footer__heading {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--platform-text-subtle);
}

.platform-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.platform-footer__links a {
  color: var(--platform-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

.platform-footer__links a:hover {
  color: var(--platform-accent);
}

.platform-footer__share {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.platform-footer__share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  color: var(--platform-text-muted);
  border: 1px solid var(--platform-border);
  background: transparent;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.platform-footer__share-link:hover {
  color: var(--platform-accent);
  border-color: var(--platform-accent);
  transform: translateY(-1px);
}

.platform-footer__share-link svg {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
}

.platform-footer__meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--platform-text-subtle);
}

.platform-footer__privacy {
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: var(--platform-radius);
  background: var(--platform-accent-soft);
  color: var(--platform-text-muted);
  font-size: 0.875rem;
}

body.has-platform-footer .site-footer:not(.platform-footer),
body.has-platform-footer .home-footer {
  display: none;
}

/* Visually-hidden, screen-reader/crawler accessible (e.g. page-topic <h1>) */
.platform-sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Help blocks — unified across all suites */
.app-help,
.platform-help {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.15rem;
  background: var(--platform-surface);
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-lg);
  font-size: 0.9rem;
  color: var(--platform-text-muted);
  box-shadow: var(--platform-shadow-sm);
}

.app-help-intro,
.platform-help__intro,
.help-intro {
  margin: 0 0 0.75rem;
  line-height: 1.55;
}

.help-tips,
.app-help-tips,
.app-help-features {
  margin: 0.5rem 0 0;
}

.help-tips summary,
.app-help-tips summary,
.app-help-features summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--platform-text);
  margin-bottom: 0.35rem;
  user-select: none;
}

.app-help ul,
.help-tips ul,
.platform-help ul {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

.app-help li,
.help-tips li {
  margin-bottom: 0.35rem;
  line-height: 1.45;
}

.help-privacy {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  opacity: 0.95;
}

/* Cards */
.platform-card {
  background: var(--platform-surface);
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-lg);
  padding: 1.25rem;
  box-shadow: var(--platform-shadow-sm);
  transition: transform var(--platform-transition), box-shadow var(--platform-transition), border-color var(--platform-transition);
}

.platform-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--platform-shadow);
  border-color: color-mix(in srgb, var(--platform-accent) 35%, var(--platform-border));
}

/* Drop zones */
.platform-dropzone,
.drop-zone,
.dropzone {
  border: 2px dashed var(--platform-border);
  border-radius: var(--platform-radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  background: var(--platform-surface-muted);
  transition: border-color var(--platform-transition), background var(--platform-transition);
}

.platform-dropzone:hover,
.platform-dropzone.dragover,
.drop-zone:hover,
.drop-zone.dragover,
.dropzone:hover,
.dropzone.dragover {
  border-color: var(--platform-accent);
  background: var(--platform-accent-soft);
}

.hint,
.drop-hint,
.tool-hint {
  color: var(--platform-text-subtle);
  font-size: 0.85rem;
  line-height: 1.45;
}

@media (max-width: 768px) {
  .platform-topbar__suite {
    display: none;
  }

  .platform-topbar__nav {
    gap: 0.15rem;
  }

  .platform-topbar__link {
    padding: 0.3rem 0.5rem;
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Cookie / analytics consent banner */
.platform-cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  padding: 0.85rem 1rem calc(0.85rem + env(safe-area-inset-bottom, 0px));
  background: var(--platform-bg-elevated);
  border-top: 1px solid var(--platform-border);
  box-shadow: var(--platform-shadow-lg);
}

.platform-cookie-banner__inner {
  max-width: var(--platform-content-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.platform-cookie-banner__text {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--platform-text-muted);
}

.platform-cookie-banner__text a {
  color: var(--platform-accent);
}

.platform-cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.platform-cookie-banner .platform-btn {
  min-width: 5.5rem;
}