:root {
  color-scheme: dark;
  --ground: #07111f;
  --paper: #ffffff;
  --ink: #0b1b32;
  --muted: #48566b;
  --surface: #edf3f8;
  --surface-hover: #e1edf5;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --link: #0e7490;
  --footer: #aab9cd;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
img, svg { display: block; flex-shrink: 0; }
[hidden] { display: none !important; }
::selection { color: var(--ground); background: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }

.page-shell {
  min-height: 100svh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: max(36px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(30px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
}

.brand-header { display: flex; justify-content: center; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--paper); font-size: 25px; font-weight: 800; letter-spacing: -.045em; }
.brand img { width: 44px; height: 44px; }
.brand:hover { color: var(--accent-hover); }

.review-card {
  color-scheme: light;
  background: var(--paper);
  width: min(100%, 492px);
  padding: 42px 38px 32px;
  border-radius: 20px;
  text-align: center;
}
.review-card :focus-visible { outline-color: var(--link); }

.card-intro h1 { margin: 0; font-size: 44px; font-weight: 800; line-height: 1.12; letter-spacing: -.045em; text-wrap: balance; }
.intro { margin: 24px 0 0; font-size: 16px; line-height: 1.65; color: var(--muted); text-wrap: pretty; }
.platforms { display: grid; gap: 12px; margin-top: 30px; }
.platform-link { display: flex; align-items: center; gap: 18px; min-height: 84px; padding: 17px 22px; background: var(--surface); border-radius: var(--radius); text-align: left; transition: transform 180ms ease; }
.platform-link:hover { background: var(--surface-hover); transform: translateY(-2px); }
.platform-link:active { transform: translateY(0) scale(.99); }
.platform-label { display: flex; flex: 1; flex-direction: column; min-width: 0; gap: 3px; font-size: 18px; line-height: 1.4; font-weight: 750; }
.platform-detail { font-size: 14px; line-height: 1.5; font-weight: 400; color: var(--muted); }
.action-arrow { color: var(--link); }
.thank-you { margin: 29px 0 25px; font-size: 15px; line-height: 1.65; color: var(--muted); text-wrap: pretty; }
.share-link { color: var(--link); display: inline-flex; align-items: center; justify-content: center; gap: 9px; font-size: 15px; font-weight: 650; min-height: 44px; }
.share-link:hover, .download-link:hover, .review-address:hover { text-decoration: underline; text-underline-offset: 5px; }
.page-footer { color: var(--footer); font-size: 14px; line-height: 1.5; }
.page-footer a { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; }
.page-footer a:hover { color: var(--paper); }

.share-shell { gap: 24px; }
.qr-card { padding-top: 35px; padding-bottom: 24px; }
.qr-card h1 { font-size: 36px; line-height: 1.15; }
.qr-card .intro { margin-top: 20px; }
.qr-figure { margin: 20px 0 24px; }
.qr-image { margin: 0 auto; width: min(100%, 248px); height: auto; }
.review-address { display: inline-flex; min-height: 36px; align-items: center; font-size: 17px; line-height: 1.5; font-weight: 700; letter-spacing: -.02em; }
.share-actions { display: flex; flex-direction: column; align-items: stretch; gap: 7px; }
.secondary-share-actions { display: flex; justify-content: center; flex-wrap: wrap; column-gap: 24px; }
.primary-button { border: 0; display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 13px 20px; border-radius: var(--radius); color: var(--ink); background: var(--accent); font-size: 16px; font-weight: 750; transition: transform 180ms ease; }
.primary-button:hover { background: var(--accent-hover); }
.primary-button:active { transform: scale(.98); }
.text-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 9px; border: 0; color: var(--link); background: transparent; font-size: 15px; font-weight: 650; }
.text-button:hover { text-decoration: underline; text-underline-offset: 5px; }
.text-button:active { transform: scale(.98); }
.share-status { margin: 0; color: var(--link); font-size: 14px; line-height: 1.5; }
.share-status:not(:empty) { padding: 5px 0 7px; }
.manual-copy { text-align: left; font-size: 14px; line-height: 1.6; }
.manual-copy label { display: block; margin: 7px 0; }
.manual-copy input { width: 100%; min-height: 44px; padding: 10px; border: 2px solid var(--link); border-radius: var(--radius); background: var(--surface); color: var(--ink); font-size: 14px; }
.download-link { display: inline-flex; align-items: center; justify-content: center; gap: 7px; margin-top: 10px; min-height: 44px; color: var(--muted); font-size: 14px; }

.qr-fullscreen { position: fixed; inset: 0; margin: 0; padding: 0; border: 0; width: 100%; height: 100%; max-width: none; max-height: none; background: var(--ground); color: var(--paper); overscroll-behavior: contain; }
.qr-fullscreen::backdrop { background: var(--ground); }
.qr-fullscreen-stage { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; width: 100%; min-height: 100dvh; padding: max(64px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(36px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left)); background: var(--ground); color: var(--paper); text-align: center; }
.qr-fullscreen-stage:fullscreen { height: 100dvh; overflow: auto; }
.qr-fullscreen-stage h2 { margin: 0; font-size: clamp(24px, 3.4vw, 40px); line-height: 1.15; font-weight: 800; letter-spacing: -.035em; text-wrap: balance; }
.qr-fullscreen-image { width: min(80vw, calc(100dvh - 240px), 640px); height: auto; max-width: 100%; }
.qr-fullscreen-domain { margin: 0; font-size: clamp(18px, 2vw, 26px); line-height: 1.4; font-weight: 650; letter-spacing: -.02em; }
.close-fullscreen { position: absolute; top: max(16px, env(safe-area-inset-top)); right: max(16px, env(safe-area-inset-right)); display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: var(--radius); background: transparent; color: var(--footer); }
.close-fullscreen:hover { background: var(--ink); color: var(--paper); }
@media (max-height: 500px) {
  .qr-fullscreen-stage { gap: 12px; padding-top: 24px; padding-bottom: 24px; }
  .qr-fullscreen-stage h2 { font-size: 24px; }
  .qr-fullscreen-image { width: min(65vw, calc(100dvh - 140px), 640px); }
  .qr-fullscreen-domain { font-size: 18px; }
}

.skip-link { position: fixed; z-index: 2; top: 12px; left: 12px; transform: translateY(-180%); padding: 12px 18px; background: var(--accent); color: var(--ink); border-radius: var(--radius); }
.skip-link:focus-visible { transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
  .brand-header { animation: arrive 450ms ease-out both; }
  .review-card { animation: arrive 450ms 70ms ease-out both; }
  .page-footer { animation: arrive 450ms 140ms ease-out both; }
  @keyframes arrive { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
}

@media (max-width: 540px) {
  .page-shell { gap: 24px; padding: max(26px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
  .brand { font-size: 24px; gap: 9px; }
  .brand img { width: 40px; height: 40px; }
  .review-card { padding: 34px 24px 24px; border-radius: 16px; }
  .card-intro h1 { font-size: clamp(30px, 9.2vw, 39px); }
  .intro { margin-top: 21px; font-size: 16px; }
  .platforms { margin-top: 27px; }
  .platform-link { min-height: 80px; gap: 15px; padding: 15px 18px; }
  .thank-you { margin-top: 26px; margin-bottom: 19px; }
  .qr-card { padding-top: 29px; padding-bottom: 20px; }
  .qr-card h1 { font-size: clamp(26px, 7.7vw, 34px); }
  .qr-figure { margin-top: 15px; margin-bottom: 20px; }
  .qr-image { width: min(100%, 236px); }
  .share-shell { gap: 20px; }
}

@media (max-width: 350px) {
  .review-card { padding-left: 20px; padding-right: 20px; }
  .intro br { display: none; }
  .platform-link { padding-left: 15px; padding-right: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  :root { color-scheme: light; }
  body { background: var(--paper); }
  .page-shell { min-height: auto; gap: 20px; padding: 32px; }
  .brand { color: var(--ink); }
  .review-card { padding: 24px; }
  .page-footer, .share-actions, .download-link, .skip-link { display: none; }
  .qr-image { width: 300px; print-color-adjust: exact; }
}