:root {
  color-scheme: light;
  --brown: #7d6544;
  --brown-dark: #5d4a33;
  --brown-light: #a78d6b;
  --cream: #f4efe7;
  --sand: #e6dccd;
  --stone: #d1c4b2;
  --ink: #2b241b;
  --accent: #c89a5a;
  --shadow: 0 22px 50px rgba(43, 36, 27, 0.22);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Serif SC", "ZCOOL XiaoWei", serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #f8f2e8 0%, #efe6da 45%, #e3d6c6 100%);
  min-height: 100vh;
}

.grain {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: 1;
}

.page {
  position: relative;
  z-index: 2;
  padding: 48px 6vw 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero {
  margin-bottom: 32px;
}

.hero__badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(125, 101, 68, 0.18);
  color: var(--brown-dark);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

h1 {
  margin: 16px 0 12px;
  font-size: clamp(2.2rem, 3vw, 3.2rem);
  color: var(--brown-dark);
}

.hero p {
  max-width: 640px;
  margin: 0;
  color: #4c3f2c;
  font-size: 1.05rem;
  line-height: 1.7;
}

.card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 28px 30px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, #fdfaf5 0%, #f0e6d9 100%);
  box-shadow: var(--shadow);
  border: 1px solid rgba(125, 101, 68, 0.18);
  margin-bottom: 28px;
  animation: rise 0.8s ease;
}

.card__content h2,
.card__content p {
  margin: 0 0 14px;
}

.card__content h2 {
  font-size: 1.8rem;
  color: var(--brown-dark);
}

.card__content p {
  font-size: 1rem;
  line-height: 1.7;
  color: #4c3f2c;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.btn {
  border: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  font-family: inherit;
  font-size: 0.95rem;
}

.btn--primary {
  background: var(--brown);
  color: #fff;
  box-shadow: 0 10px 25px rgba(125, 101, 68, 0.3);
}

.btn--primary:hover {
  background: var(--brown-dark);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border: 1px solid rgba(125, 101, 68, 0.4);
  color: var(--brown-dark);
}

.btn--ghost:hover {
  background: rgba(125, 101, 68, 0.1);
}

.btn--danger {
  background: #c16b5f;
  color: #fff;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.card__aside {
  display: flex;
  align-items: center;
}

.level-preview {
  background: var(--sand);
  border-radius: 18px;
  padding: 20px;
  border: 1px dashed rgba(125, 101, 68, 0.4);
}

.level-preview h3 {
  margin: 0 0 12px;
  color: var(--brown-dark);
}

.level-preview ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: #4c3f2c;
}

.card--quiz {
  grid-template-columns: 1fr;
}

.quiz-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.quiz-label {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--brown);
  font-weight: 600;
}

#questionTitle {
  margin: 8px 0 0;
  font-size: 1.6rem;
  color: var(--brown-dark);
}

.score-pill {
  background: var(--brown);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.progress {
  height: 10px;
  background: #efe6da;
  border-radius: 999px;
  margin: 16px 0 10px;
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brown), var(--accent));
  transition: width 0.3s ease;
}

.options {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.option {
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid rgba(125, 101, 68, 0.25);
  background: #fff;
  cursor: pointer;
  transition: border 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  font-size: 1rem;
}

.option:hover {
  border-color: var(--brown);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(125, 101, 68, 0.12);
}

.option.is-selected {
  border-color: var(--brown-dark);
  background: rgba(125, 101, 68, 0.12);
  box-shadow: 0 6px 16px rgba(125, 101, 68, 0.2);
}

.card--result {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.result-score {
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 700;
  color: var(--brown-dark);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.result-level {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--brown);
  margin: 6px 0 10px;
}

.result-summary {
  color: #4c3f2c;
  line-height: 1.7;
}

.result-aside .tips {
  background: #fff5e8;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(125, 101, 68, 0.2);
}

.records-panel {
  padding: 24px;
  border-radius: var(--radius);
  background: #fffaf2;
  border: 1px solid rgba(125, 101, 68, 0.2);
  box-shadow: var(--shadow);
}

.records-panel__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

.record-item {
  padding: 14px 18px;
  border-radius: 16px;
  background: #f4ede2;
  border: 1px solid rgba(125, 101, 68, 0.18);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.record-item__meta {
  display: grid;
  gap: 4px;
  color: #4c3f2c;
  font-size: 0.92rem;
}

.record-item__score {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brown-dark);
}

.is-hidden {
  display: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .page {
    padding: 32px 6vw 60px;
  }

  .quiz-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .score-pill {
    align-self: flex-start;
  }
}