:root {
  color-scheme: light;
  --ink: #1f2328;
  --muted: #65717d;
  --paper: #fffaf0;
  --panel: #ffffff;
  --goose: #cc5d1a;
  --duck: #1f7a8c;
  --green: #3f7d20;
  --line: #d9cdbb;
  --shadow: 0 18px 45px rgba(49, 37, 22, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(31, 122, 140, 0.13), transparent 34%),
    linear-gradient(315deg, rgba(204, 93, 26, 0.16), transparent 38%),
    var(--paper);
}

button,
a {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0;
  display: grid;
  align-content: center;
  gap: 20px;
}

.game,
.result-panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(217, 205, 187, 0.88);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.topbar {
  min-height: 96px;
  padding: 22px 26px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 5px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4.6vw, 4.25rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.scoreboard {
  min-width: 154px;
  display: grid;
  justify-items: end;
  gap: 5px;
  color: var(--muted);
  font-size: 0.95rem;
}

.topbar-actions {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.scoreboard strong {
  color: var(--ink);
  font-size: 1.65rem;
}

.meter {
  height: 8px;
  background: #efe4d4;
}

.meter span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--goose), var(--duck));
  transition: width 260ms ease;
}

.question-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  min-height: 620px;
}

.photo-frame {
  position: relative;
  min-height: 500px;
  background: #231d18;
  overflow: hidden;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  display: block;
  object-fit: cover;
  opacity: 0;
  transition: opacity 220ms ease;
}

.photo-frame img.loaded {
  opacity: 1;
}

.image-status {
  position: absolute;
  inset: auto 18px 18px;
  padding: 10px 12px;
  border-radius: 6px;
  color: #fff;
  background: rgba(0, 0, 0, 0.58);
  font-size: 0.9rem;
}

.question-copy {
  padding: 34px 30px;
  display: grid;
  align-content: center;
  gap: 18px;
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.72), rgba(255, 255, 255, 0.94)),
    var(--panel);
}

.round-note {
  margin-bottom: 0;
  color: var(--goose);
  font-weight: 800;
}

.question-copy h2 {
  margin-bottom: 0;
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.question-copy p {
  color: var(--muted);
  line-height: 1.7;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.choice,
.next-button,
.result-actions button {
  border: 0;
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(31, 35, 40, 0.16);
  transition: transform 140ms ease, filter 140ms ease, opacity 140ms ease;
}

.choice {
  min-height: 118px;
  padding: 18px 12px;
  display: grid;
  place-items: center;
  gap: 2px;
}

.choice span {
  font-size: 2.45rem;
  line-height: 1;
}

.choice small {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.82rem;
}

.choice-goose {
  background: var(--goose);
}

.choice-duck {
  background: var(--duck);
}

.choice:hover,
.next-button:hover,
.result-actions button:hover {
  transform: translateY(-1px);
  filter: saturate(1.08);
}

.choice:disabled {
  cursor: default;
  opacity: 0.45;
  transform: none;
}

.choice.is-picked {
  opacity: 1;
  outline: 4px solid rgba(31, 35, 40, 0.18);
}

.feedback {
  min-height: 142px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.9);
}

.feedback strong {
  display: block;
  margin-bottom: 7px;
  font-size: 1.08rem;
}

.feedback p {
  margin-bottom: 9px;
}

.feedback a {
  color: var(--duck);
  font-weight: 800;
  text-decoration-thickness: 2px;
}

.next-button,
.result-actions button {
  min-height: 52px;
  padding: 0 22px;
  background: #22272e;
}

.result-panel {
  padding: 24px;
}

.share-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at top left, rgba(204, 93, 26, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(31, 122, 140, 0.14), transparent 30%),
    #fffdf8;
}

.result-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0;
}

.share-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.share-link {
  margin-top: 14px;
  padding: 11px 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.share-link span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.share-link a {
  min-width: 0;
  color: var(--duck);
  font-size: 0.95rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.share-qr {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.share-qr[hidden] {
  display: none;
}

.share-qr canvas {
  width: 148px;
  height: 148px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(31, 35, 40, 0.08);
}

.share-qr p {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 800;
}

.share-stats div {
  min-height: 86px;
  padding: 12px;
  display: grid;
  align-content: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.76);
}

.share-stats span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.share-stats strong {
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1;
}

.mini-review {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.mini-review-item {
  position: relative;
  min-height: 74px;
  border: 3px solid #fff;
  border-radius: 8px;
  overflow: hidden;
  background: #231d18;
  box-shadow: 0 8px 18px rgba(31, 35, 40, 0.12);
}

.mini-review-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0.78;
}

.mini-review-item span,
.mini-review-item small {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
}

.mini-review-item span {
  top: 5px;
  left: 5px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--green);
}

.mini-review-item.is-wrong span {
  background: #b42318;
}

.mini-review-item small {
  right: 5px;
  bottom: 5px;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.62);
}

.result-actions {
  margin: 18px 0 22px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.review-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.review-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.review-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  background: #201a16;
}

.review-card div {
  padding: 10px 12px 12px;
}

.review-card strong {
  display: block;
  margin-bottom: 4px;
}

.review-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

body.modal-open {
  overflow: hidden;
}

.source-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgba(31, 35, 40, 0.58);
}

.source-modal[hidden] {
  display: none;
}

.source-dialog {
  width: min(920px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.source-dialog-head {
  padding: 20px 22px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.source-dialog-head h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.source-close {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fffaf0;
  font-size: 1.7rem;
  line-height: 1;
}

.source-list {
  padding: 16px;
  display: grid;
  gap: 12px;
  overflow: auto;
}

.source-item {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.source-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  border-radius: 6px;
  background: #201a16;
}

.source-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.source-item dl {
  margin: 0;
  display: grid;
  gap: 8px;
}

.source-item dl div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
}

.source-item dt {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.source-item dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.45;
}

.source-item a {
  color: var(--duck);
  font-weight: 700;
}

.source-item code {
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.9em;
}

.source-empty {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  position: fixed;
  right: 18px;
  bottom: 14px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: inherit;
  font-weight: 700;
  line-height: 1.2;
  opacity: 0.82;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 140ms ease, opacity 140ms ease;
}

.site-footer-link:hover {
  color: var(--duck);
  opacity: 1;
}

.github-mark {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

@media (max-width: 860px) {
  .shell {
    width: min(100% - 20px, 620px);
    align-content: start;
    padding: 10px 0 42px;
  }

  .topbar {
    align-items: flex-start;
    padding: 18px;
    flex-direction: column;
  }

  .scoreboard {
    width: 100%;
    grid-template-columns: 1fr auto;
    justify-items: start;
    align-items: baseline;
  }

  .topbar-actions {
    width: 100%;
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .question-panel {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .photo-frame,
  .photo-frame img {
    min-height: 360px;
  }

  .question-copy {
    padding: 24px 18px;
  }

  .choice {
    min-height: 98px;
  }

  .choice span {
    font-size: 2rem;
  }

  .review-list {
    grid-template-columns: 1fr 1fr;
  }

  .share-card {
    padding: 16px;
  }

  .share-stats {
    gap: 8px;
  }

  .share-stats div {
    min-height: 72px;
    padding: 9px;
  }

  .share-qr canvas {
    width: 128px;
    height: 128px;
  }

  .mini-review {
    gap: 6px;
  }

  .mini-review-item {
    min-height: 58px;
  }

  .source-modal {
    padding: 10px;
  }

  .source-dialog {
    max-height: calc(100vh - 20px);
  }

  .source-item {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .site-footer {
    right: 12px;
    bottom: 10px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 2.35rem;
  }

  .choice-grid,
  .review-list {
    grid-template-columns: 1fr;
  }

  .result-panel {
    padding: 10px;
  }

  .result-panel h2 {
    font-size: 1.9rem;
  }

  .result-panel p {
    margin-bottom: 8px;
    line-height: 1.45;
  }

  .share-link {
    grid-template-columns: 1fr;
  }

  .share-qr {
    justify-content: space-between;
  }

  .share-stats strong {
    font-size: 1.2rem;
  }

  .mini-review-item span {
    width: 24px;
    height: 24px;
  }

  .photo-frame,
  .photo-frame img {
    min-height: 280px;
  }

  .source-item,
  .source-item dl div {
    grid-template-columns: 1fr;
  }

  .source-dialog-head {
    padding: 16px;
  }

  .source-list {
    padding: 10px;
  }
}