:root {
  --coffee: #5a3e1b;
  --gold: #c9a96e;
  --cream: #faf6f0;
  --paper: #fffdf9;
  --ink: #24190c;
  --muted: #7b6a58;
  --line: #eadcc8;
  --green: #087f5b;
  --red: #c92a2a;
}

* {
  box-sizing: border-box;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(16px, 4vw, 48px);
  background: var(--coffee);
  color: #fff8ea;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 30px;
}

main {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.status {
  min-width: 96px;
  text-align: right;
  color: #f5e4c2;
  font-size: 14px;
}

.search-panel {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(90, 62, 27, 0.08);
}

.search-copy h2 {
  margin-bottom: 8px;
  font-size: 28px;
  color: var(--coffee);
}

.search-copy p {
  color: var(--muted);
  line-height: 1.6;
}

.search-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 20px;
}

input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 16px;
  color: var(--ink);
  background: #fff;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  min-height: 44px;
  cursor: pointer;
  background: var(--coffee);
  color: #fff8ea;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.05);
}

.ghost {
  min-height: 36px;
  margin-bottom: 12px;
  background: transparent;
  color: var(--coffee);
  border: 1px solid var(--gold);
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
  color: var(--coffee);
  cursor: pointer;
}

/* Stock Grid - default: full grid layout */
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 22px;
  transition: all 0.3s ease;
}

/* When detail is shown, collapse grid to horizontal scroll */
.market-grid.collapsed {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding: 12px 0;
  margin-top: 16px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.market-grid.collapsed::-webkit-scrollbar {
  display: none;
}

.market-grid.collapsed .stock-card {
  flex: 0 0 auto;
  min-width: 120px;
  padding: 10px 14px;
}

.market-grid.collapsed .stock-card span {
  display: none;
}

.stock-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.stock-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(90, 62, 27, 0.10);
}

.stock-card strong {
  display: block;
  color: var(--coffee);
  font-size: 20px;
}

.stock-card span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.detail {
  margin-top: 24px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.detail-head h2 {
  margin-bottom: 6px;
  font-size: 30px;
  color: var(--coffee);
}

#stockMeta {
  color: var(--muted);
}

.price-card {
  min-width: 220px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  text-align: right;
}

.price-card span {
  display: block;
  font-size: 30px;
  font-weight: 800;
}

.price-card strong {
  display: block;
  margin-top: 5px;
}

.price-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.up {
  color: var(--green);
}

.down {
  color: var(--red);
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.score-strip div,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.score-strip div {
  padding: 16px;
}

.score-strip span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.score-strip strong {
  display: block;
  margin-top: 6px;
  color: var(--coffee);
  font-size: 24px;
}

.visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .75fr);
  gap: 16px;
}

.panel {
  padding: 16px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-title h3 {
  margin: 0;
  color: var(--coffee);
}

.panel-title span {
  color: var(--muted);
  font-size: 13px;
}

#klineChart {
  height: 430px;
  width: 100%;
}

.radar-panel canvas {
  max-height: 430px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.metric-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
}

.metric-card h3 {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--coffee);
}

.metric-card h3 small {
  color: var(--gold);
  font-size: 16px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid #f0e5d5;
  color: var(--muted);
}

.metric-row strong {
  color: var(--ink);
  text-align: right;
}

.news-panel {
  margin-top: 16px;
}

.news-item {
  display: block;
  padding: 12px 0;
  color: var(--ink);
  text-decoration: none;
  border-top: 1px solid #f0e5d5;
}

.news-item strong {
  display: block;
  line-height: 1.45;
}

.news-item span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.empty {
  color: var(--muted);
  padding: 14px 0;
}

/* Two-column detail layout */
.detail-columns {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.detail-left {
  min-width: 0;
}

.detail-left .chart-panel {
  height: 100%;
}

.detail-left #klineChart {
  height: 520px;
}

.detail-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-right .radar-panel {
  flex: 0 0 auto;
}

.detail-right .radar-panel canvas {
  max-height: 360px;
}

.detail-right .news-panel {
  flex: 1;
  overflow-y: auto;
  max-height: 300px;
}

/* Mobile responsive */
@media (max-width: 860px) {
  .topbar,
  .detail-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .status,
  .price-card {
    width: 100%;
    text-align: left;
  }

  .search-box,
  .score-strip,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .search-panel {
    padding: 20px;
  }

  #klineChart {
    height: 340px;
  }

  /* On mobile: when detail shown, collapse grid to horizontal scroll */
  .market-grid.collapsed {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    margin-top: 0;
    padding: 8px 0;
  }

  .market-grid.collapsed .stock-card {
    min-width: 100px;
    padding: 8px 12px;
  }

  .market-grid.collapsed .stock-card strong {
    font-size: 16px;
  }

  /* Detail takes full width on mobile */
  .detail-columns {
    grid-template-columns: 1fr;
  }

  .detail-left #klineChart {
    height: 380px;
  }

  .detail-head h2 {
    font-size: 24px;
  }

  .price-card span {
    font-size: 24px;
  }

  .score-strip strong {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .search-copy h2 {
    font-size: 22px;
  }

  .search-panel {
    padding: 16px;
  }

  .market-grid.collapsed .stock-card {
    min-width: 80px;
    padding: 6px 10px;
  }

  .market-grid.collapsed .stock-card strong {
    font-size: 14px;
  }
}