/* ====== 盯盘主题 ====== */
:root {
  --bg: #0b0f17;
  --bg-card: #131825;
  --bg-card-hover: #18203a;
  --border: #1f2940;
  --border-bright: #2d3a5e;
  --text: #e6ecff;
  --text-dim: #8693b3;
  --text-faint: #5a6580;
  --up: #ff4d4f;
  --up-bg: rgba(255, 77, 79, 0.12);
  --down: #19c37d;
  --down-bg: rgba(25, 195, 125, 0.12);
  --flat: #8693b3;
  --warn: #ffb84d;
  --accent: #4d9fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.brand-mark { font-size: 22px; }
.brand-name { font-size: 18px; font-weight: 600; }
.brand-sub  { font-size: 13px; color: var(--text-dim); }

.status {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.pill {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.pill--open    { background: var(--up-bg);   color: var(--up); }
.pill--lunch   { background: rgba(255, 184, 77, 0.15); color: var(--warn); }
.pill--closed  { background: rgba(134, 147, 179, 0.15); color: var(--text-dim); }
.pill--error   { background: var(--up-bg); color: var(--up); }

.updated { font-variant-numeric: tabular-nums; }

.btn-refresh {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.15s;
}
.btn-refresh:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-refresh.spin {
  animation: spin 0.6s linear;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.cards {
  display: grid;
  gap: 16px;
  padding: 24px 28px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-bright);
  transform: translateY(-1px);
}

.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--flat);
}
.card.up::before   { background: var(--up); }
.card.down::before { background: var(--down); }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.card-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.card-code {
  font-size: 12px;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}
.card-desc {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 4px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-notlisted {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(134, 147, 179, 0.15);
  color: var(--text-dim);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}
.price {
  font-size: 38px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}
.price.up    { color: var(--up); }
.price.down  { color: var(--down); }
.price.flat  { color: var(--flat); }

.change {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.change.up    { color: var(--up); }
.change.down  { color: var(--down); }
.change.flat  { color: var(--flat); }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.stat-label {
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.stat-value {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  margin-top: 2px;
}
.stat-value.highlight {
  color: var(--accent);
  font-weight: 600;
}

.footbar {
  text-align: center;
  padding: 24px 28px 32px;
  font-size: 12px;
  color: var(--text-faint);
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .topbar {
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .cards {
    padding: 16px;
    gap: 12px;
  }
  .card {
    padding: 16px;
  }
  .price {
    font-size: 32px;
  }
}

.error-banner {
  background: var(--up-bg);
  color: var(--up);
  padding: 8px 28px;
  text-align: center;
  font-size: 12px;
}
.error-banner.hidden { display: none; }

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-card-hover) 50%, var(--bg-card) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
  height: 14px;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}