:root {
  --ruc-red: #9e1b32;
  --ruc-red-dark: #7a1426;
  --cream: #f8f1e7;
  --paper: #fffdf8;
  --ink: #2b2b2b;
  --muted: #767676;
  --line: #e8dccb;
  --gold: #d7aa48;
  --sage: #6c7d68;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    linear-gradient(135deg, rgba(158, 27, 50, 0.12), transparent 32%),
    linear-gradient(225deg, rgba(215, 170, 72, 0.18), transparent 34%),
    var(--cream);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  letter-spacing: 0;
}

button {
  font: inherit;
}

.app-shell {
  width: min(100%, 430px);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(71, 35, 28, 0.12);
  overflow: hidden;
}

.screen {
  min-height: 100vh;
  padding: 28px 22px 32px;
}

.start-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 7px 13px;
  border: 1px solid rgba(158, 27, 50, 0.24);
  border-radius: 999px;
  color: var(--ruc-red);
  background: rgba(158, 27, 50, 0.06);
  font-size: 12px;
  font-weight: 800;
}

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

.start-screen h1,
.result-screen h1 {
  margin: 18px 0 8px;
  color: var(--ruc-red-dark);
  font-size: clamp(35px, 11vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.subtitle {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 17px;
}

.hero-image-box,
.result-image-box {
  position: relative;
  width: min(82vw, 330px);
  aspect-ratio: 1 / 1;
  margin: 10px auto 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(158, 27, 50, 0.1), transparent 40%),
    linear-gradient(320deg, rgba(108, 125, 104, 0.16), transparent 45%),
    #fff7ef;
}

.hero-image-box::before,
.result-image-box::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(158, 27, 50, 0.16);
  pointer-events: none;
}

.hero-image-box img,
.result-image-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.intro-grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 4px 0 20px;
}

.intro-grid span {
  min-height: 64px;
  display: grid;
  place-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff9f0;
  color: #5a4d43;
  font-size: 14px;
  line-height: 1.35;
}

.primary-button,
.secondary-button {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 8px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.primary-button {
  color: #fff;
  background: var(--ruc-red);
  box-shadow: 0 12px 24px rgba(158, 27, 50, 0.2);
}

.secondary-button {
  color: var(--ruc-red-dark);
  background: #f3e5d6;
}

.primary-button:active,
.secondary-button:active,
.option-card:active,
.icon-button:active {
  transform: scale(0.98);
}

.footnote {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.quiz-header {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  align-items: center;
  gap: 10px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ruc-red-dark);
  background: #fff9f0;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.counter {
  grid-column: 2;
  justify-self: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.progress-track {
  height: 9px;
  margin: 18px 0 22px;
  overflow: hidden;
  border-radius: 999px;
  background: #f0e3d2;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ruc-red), var(--gold));
  transition: width 0.25s ease;
}

.question-card,
.report-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf2;
}

.question-card h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.18;
}

.scene,
.report-card p {
  margin-bottom: 0;
  color: #514840;
  font-size: 15px;
  line-height: 1.72;
}

.report-card p + p {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(158, 27, 50, 0.18);
}

.options-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.option-card {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  min-height: 68px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--ink);
  text-align: left;
  line-height: 1.5;
  cursor: pointer;
}

.option-card.is-selected,
.option-card:hover {
  border-color: rgba(158, 27, 50, 0.48);
  background: #fff4eb;
}

.option-letter {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--ruc-red);
  font-weight: 900;
}

.result-screen {
  text-align: center;
}

.result-kicker {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
}

.english-name {
  margin: 0 0 18px;
  color: var(--ruc-red);
  font-size: clamp(24px, 8vw, 34px);
  font-weight: 900;
  line-height: 1;
}

.result-image-box {
  width: min(78vw, 320px);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 12px 0 18px;
}

.tag-chip {
  min-height: 32px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #efe2d0;
  color: #5a4a3f;
  font-size: 13px;
  font-weight: 800;
}

.secondary-result {
  display: inline-grid;
  grid-template-columns: auto auto;
  gap: 4px 8px;
  align-items: baseline;
  margin: -4px auto 18px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff9f0;
  color: #5a4a3f;
  text-align: left;
}

.secondary-result span {
  grid-row: span 2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.secondary-result strong {
  color: var(--ruc-red-dark);
  font-size: 17px;
  line-height: 1;
}

.secondary-result em {
  color: var(--ruc-red);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.report-card {
  margin-top: 14px;
  text-align: left;
}

.report-card h2 {
  margin-bottom: 8px;
  color: var(--ruc-red-dark);
  font-size: 18px;
}

.dimension-bars {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf2;
}

.dimension-row {
  display: grid;
  grid-template-columns: 42px 1fr 46px;
  gap: 10px;
  align-items: center;
  text-align: left;
}

.dimension-row span,
.dimension-row strong {
  color: #5a4a3f;
  font-size: 13px;
  font-weight: 900;
}

.dimension-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #efe2d0;
}

.dimension-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ruc-red), var(--gold));
}

.result-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.readme-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.toast {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--sage);
  font-size: 14px;
  font-weight: 700;
}

.share-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(43, 43, 43, 0.46);
}

.share-panel {
  position: relative;
  width: min(100%, 390px);
  max-height: min(92vh, 780px);
  overflow: auto;
  padding: 18px;
  border-radius: 8px;
  background: var(--paper);
  text-align: center;
  box-shadow: 0 24px 70px rgba(43, 43, 43, 0.22);
}

.share-panel h2 {
  margin: 6px 44px 8px;
  color: var(--ruc-red-dark);
  font-size: 21px;
}

.share-panel p {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.share-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff9f0;
  color: var(--ruc-red-dark);
  font-size: 28px;
  line-height: 1;
}

.share-preview {
  width: 100%;
  max-height: 58vh;
  object-fit: contain;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--cream);
}

.download-link {
  min-height: 48px;
  display: grid;
  place-items: center;
  margin-top: 12px;
  border-radius: 8px;
  background: var(--ruc-red);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 360px) {
  .screen {
    padding-inline: 16px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .question-card h2 {
    font-size: 21px;
  }
}