/* Responsibility: Reusable QR platform preview and pinned popover. */

.footer-platform-link[type="button"] {
  padding: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.platform-qr-popover {
  --platform-popover-left: 50vw;
  --platform-popover-top: 50vh;
  position: fixed;
  z-index: 120;
  left: var(--platform-popover-left);
  top: var(--platform-popover-top);
  width: min(304px, calc(100vw - 32px));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -100%) translateY(8px) scale(0.98);
  transform-origin: 50% 100%;
  transition:
    opacity 160ms ease,
    transform 180ms var(--qr-popover-ease),
    visibility 0s linear 180ms;
}

.platform-qr-popover[data-placement="below"] {
  transform: translate(-50%, 0) translateY(-8px) scale(0.98);
  transform-origin: 50% 0;
}

.platform-qr-popover[data-state="preview"],
.platform-qr-popover[data-state="pinned"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, -100%) translateY(0) scale(1);
  transition-delay: 0s;
}

.platform-qr-popover[data-placement="below"][data-state="preview"],
.platform-qr-popover[data-placement="below"][data-state="pinned"] {
  transform: translate(-50%, 0) translateY(0) scale(1);
}

.platform-qr-backdrop {
  display: none;
}

.platform-qr-card {
  position: relative;
  margin: 0;
  padding: 18px;
  overflow: visible;
  border: 1px solid var(--qr-popover-border);
  border-radius: var(--qr-popover-radius);
  background:
    linear-gradient(135deg, var(--qr-popover-accent-wash), transparent 38%),
    var(--qr-popover-paper);
  color: var(--qr-popover-ink);
  box-shadow: var(--qr-popover-shadow);
}

.platform-qr-card::after {
  content: "";
  position: absolute;
  left: calc(50% - 8px);
  bottom: -9px;
  width: 16px;
  height: 16px;
  border-right: 1px solid var(--qr-popover-border);
  border-bottom: 1px solid var(--qr-popover-border);
  background: var(--qr-popover-paper);
  transform: rotate(45deg);
}

.platform-qr-popover[data-placement="below"] .platform-qr-card::after {
  top: -9px;
  bottom: auto;
  border: 0;
  border-top: 1px solid var(--qr-popover-border);
  border-left: 1px solid var(--qr-popover-border);
}

.platform-qr-close {
  position: absolute;
  z-index: 1;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0 0 2px;
  border: 1px solid var(--qr-popover-line);
  border-radius: 50%;
  background: var(--qr-popover-close-bg);
  color: var(--qr-popover-ink);
  font: 500 25px/1 sans-serif;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease;
}

.platform-qr-close:hover,
.platform-qr-close:focus-visible {
  background: var(--qr-popover-accent);
  transform: rotate(6deg);
}

.platform-qr-card h2 {
  max-width: calc(100% - 34px);
  margin: 0 0 14px;
  font-size: 23px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.platform-qr-image-frame {
  padding: 7px;
  border: 1px solid var(--qr-popover-line);
  border-radius: var(--qr-popover-image-radius);
  background: var(--paper);
}

.platform-qr-image-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: var(--qr-popover-image-inner-radius);
}

.platform-qr-card .platform-qr-mobile-hint {
  display: none;
  margin: 12px 0 0;
  text-align: center;
  color: var(--qr-popover-hint);
  font-size: 12px;
}

@media (max-width: 700px), (hover: none), (pointer: coarse) {
  body.has-platform-qr-popover {
    overflow: hidden;
  }

  .platform-qr-popover,
  .platform-qr-popover[data-placement="below"] {
    inset: 0;
    width: auto;
    display: grid;
    place-items: end center;
    padding: 18px max(16px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
    transform: none;
    transform-origin: center;
  }

  .platform-qr-popover[data-state="preview"],
  .platform-qr-popover[data-state="pinned"],
  .platform-qr-popover[data-placement="below"][data-state="preview"],
  .platform-qr-popover[data-placement="below"][data-state="pinned"] {
    transform: none;
  }

  .platform-qr-backdrop {
    position: absolute;
    inset: 0;
    display: block;
    padding: 0;
    border: 0;
    background: var(--qr-popover-backdrop);
    backdrop-filter: blur(5px);
  }

  .platform-qr-card {
    width: min(360px, 100%);
    padding: 20px;
    border-radius: var(--qr-popover-radius-mobile);
    box-shadow: var(--qr-popover-shadow-mobile);
    transform: translateY(18px) scale(0.985);
    transition: transform 220ms var(--qr-popover-ease);
  }

  .platform-qr-popover[data-state="pinned"] .platform-qr-card {
    transform: translateY(0) scale(1);
  }

  .platform-qr-card::after {
    display: none;
  }

  .platform-qr-card .platform-qr-mobile-hint {
    display: block;
  }
}

@media (max-height: 660px) and (max-width: 700px), (max-height: 660px) and (hover: none), (max-height: 660px) and (pointer: coarse) {
  .platform-qr-card {
    width: min(306px, 100%);
    padding: 16px;
  }

  .platform-qr-image-frame {
    max-width: 220px;
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-qr-popover,
  .platform-qr-card,
  .platform-qr-close {
    transition: none;
  }
}