/**
 * Site Footer
 * Harvested from subscribe.marbl.codes 20 April 2026.
 * Depends on: core/marbl-v2.css tokens + base .site-footer rules.
 *
 * IMPORTANT: static-positioned by default. Apply .site-footer--fixed
 * modifier (defined in marbl.css) if you need fixed positioning.
 */

.site-footer {
  position: static;
  background: var(--marbl-charcoal, #171415);
  border-top: 1px solid var(--marbl-white-04, rgba(255, 255, 255, 0.04));
  padding: var(--gap-sm, 20px) var(--gap-md, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm, 20px);
  flex-wrap: wrap;
}

/* Left half */
.footer-left {
  display: flex;
  align-items: center;
  gap: var(--gap-xs, 10px);
}

/* .footer-avatar: footer-positioning concerns only.
   Avatar primitive (size, radius, border, hover) is canonical in
   ui-items/avatar.css — consumers must load that and apply
   `.avatar avatar--40` on the same element. Reconciled 28 Apr 2026
   (was duplicating 36px width/border rules; now matches canonical 40px
   from .avatar--40). The fallback rules below kick in if avatar.css
   isn't loaded — they match avatar.css exactly so no visual drift. */
.footer-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* Visible avatar size is 40 (--gap-md) and content-box keeps the
     1px border outside the 40px content so the rendered avatar is a
     true 40x40. Locked 30 Apr 2026 (previously border-box squeezed
     visible content to 38x38). Tokenised to --gap-md. */
  box-sizing: content-box;
  width: var(--gap-md, 40px);
  height: var(--gap-md, 40px);
  border-radius: var(--radius-full, 9999px);
  overflow: hidden;
  border: 1px solid var(--marbl-white-15, rgba(255, 255, 255, 0.15));
  background: transparent;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast, 0.15s ease);
  -webkit-appearance: none;
  appearance: none;
}

.footer-avatar:hover {
  border-color: var(--marbl-ember, #F35226);
}

.footer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.footer-links {
  display: flex;
  align-items: center;
  /* Tight container gap because each link has 8px horizontal padding
     for tap target. Visual text-to-text spacing = container gap +
     2x link padding = 4 + 16 = 20px (matches original tight feel).
     Locked 1 May 2026. */
  gap: var(--gap-3xs, 4px);
  flex-wrap: wrap;
}

.footer-links a,
.footer-link-button {
  color: var(--marbl-white-50, rgba(255, 255, 255, 0.5));
  text-decoration: none;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-sm, 13px);
  font-weight: var(--font-regular, 400);
  line-height: 1;
  background: none;
  border: none;
  /* Padding gives the inline footer links a 24px+ tap target on touch
     devices (WCAG 2.5.8). Container gap (--gap-sm, 20px) plus each
     link's horizontal padding gives adjacent-target spacing well over
     24px. Locked 1 May 2026 (negative-margin trick removed - it
     cancelled the spacing). */
  padding: var(--gap-2xs, 8px);
  cursor: pointer;
  transition: color var(--transition-fast, 0.15s ease);
}

.footer-links a:hover,
.footer-link-button:hover {
  color: var(--marbl-white, #ffffff);
}

/* Thou Art That sits alongside the other footer links — same colour,
   same weight, same hover. No ember highlight (footer is quiet chrome). */

/* Right half */
.footer-right {
  display: flex;
  align-items: center;
  gap: var(--gap-3xs, 4px);
}

/* .btn-icon-social is defined in core/marbl-v2.css - canonical across the site.
   Don't re-declare here. */

/* Impressum tooltip - hidden by default, reveals on hover or focus */
.footer-impressum {
  position: relative;
}

/* Reset browser <button> chrome - no border, no shading. Colour comes from
   the .btn-icon-social class applied alongside this one (grey at rest, ember
   on hover). Do NOT set color here — `color: inherit` was walking up to the
   body and winning over .btn-icon-social, turning the icon white. */
.footer-impressum__trigger {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

/* Universal :focus-visible from marbl.css handles the ember ring.
   Extra offset for this small icon button. */
.footer-impressum__trigger:focus-visible {
  outline-offset: 2px;
  border-radius: var(--radius-xs, 4px);
}

/* Focus-visible on footer links (matches hover states) */
.footer-links a:focus-visible,
.footer-link-button:focus-visible {
  color: var(--marbl-ember, #F35226);
}

.footer-avatar:focus-visible {
  outline-offset: 2px;
  border-radius: var(--radius-circle, 50%);
}

/* Quiet impressum tooltip: blends with page chrome.
   Same bg as main (--marbl-charcoal), smaller padding + font, lighter weight. */
.footer-impressum__tooltip {
  position: absolute;
  bottom: calc(100% + var(--gap-xs, 10px));
  right: 0;
  min-width: 240px;
  padding: var(--gap-xs, 10px) 14px;
  background: var(--marbl-charcoal, #171415);
  border: 1px solid var(--marbl-white-08, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius, 10px);
  font-size: var(--text-xs, 11px);
  font-weight: var(--font-light, 300);
  line-height: 1.6;
  color: var(--marbl-white-50, rgba(255, 255, 255, 0.5));
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-base, 0.2s ease), transform var(--transition-base, 0.2s ease);
  pointer-events: none;
  z-index: 10;
}

.footer-impressum:hover .footer-impressum__tooltip,
.footer-impressum:focus-within .footer-impressum__tooltip,
.footer-impressum__trigger:focus + .footer-impressum__tooltip,
.footer-impressum.is-pinned .footer-impressum__tooltip {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Mobile tooltip base transform aligns with desktop (translateY 4px) */

/* Mobile */
@media (max-width: 768px) {
  .site-footer {
    flex-direction: column;
    gap: var(--gap-sm, 20px);
    padding: var(--gap-sm, 20px);
    text-align: center;
  }

  /* Avatar on its own line, then links stack vertically centred.
     Every child aligns to the column cross-axis. */
  .footer-left {
    flex-direction: column;
    align-items: center;
    gap: var(--gap-sm, 20px);
    width: 100%;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: var(--gap-xs, 10px);
    width: 100%;
  }

  /* Thou Art That: white + bold on mobile only.
     Higher specificity than .footer-links a to override its font: inherit. */
  .footer-links .footer-link-featured {
    color: var(--marbl-white, #ffffff) !important;
    font-weight: var(--font-bold, 700) !important;
  }

  .footer-right {
    width: 100%;
    justify-content: center;
  }

  .footer-impressum__tooltip {
    right: auto;
    left: 50%;
    transform: translate(-50%, 4px);
  }

  .footer-impressum:hover .footer-impressum__tooltip,
  .footer-impressum:focus-within .footer-impressum__tooltip,
  .footer-impressum.is-pinned .footer-impressum__tooltip {
    transform: translate(-50%, 0);
  }
}