:root {
  --bg: #0b0b0c;
  --card: #141416;
  --line: #2a2a2e;
  --text: #f5f5f7;
  --muted: #86868b;
  --brand: #3ddc47;
  --buy: #30d158;
  --wait: #ffd60a;
  --overheat: #ff453a;
  --watch: #64d2ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Noto Sans TC", sans-serif;
  padding: 32px 28px 64px;
}

#app {
  max-width: 1120px;
  margin: 0 auto;
}

.top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 20px;
}

.top-brand {
  grid-column: 2;
  justify-self: center;
  text-align: center;
}

.top-brand .brand {
  margin: 0 auto 6px;
}

.top-meta {
  margin: 0;
  font-size: 12px;
}

.nav {
  grid-column: 3;
  justify-self: end;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: fit-content;
  margin: 0 0 8px;
  color: inherit;
  text-decoration: none;
  text-align: center;
}

.gate .brand {
  margin: 0 auto 28px;
}

a.brand:hover .brand-product {
  color: var(--text);
}

a.brand:hover .brand-maker {
  color: rgba(245, 245, 247, 0.62);
}

.brand-product {
  font-family: "Space Grotesk", "Avenir Next", "Futura", sans-serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 0.9;
  color: var(--text);
}

.brand-maker {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(245, 245, 247, 0.38);
  line-height: 1;
}

h1,
h2,
h3 {
  margin: 0 0 8px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 22px;
  margin: 0;
}

h3 {
  font-size: 20px;
}

.muted,
.disclaimer,
.price-meta,
.status-meta,
.asset-sub,
.headline {
  color: var(--muted);
}

.gate,
.card,
.feed,
.disclaimer {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}

.gate {
  max-width: 560px;
  margin: 12vh auto 0;
}

.gate h1 {
  font-size: 36px;
  letter-spacing: -0.04em;
}

.mail {
  font-size: 22px;
  font-weight: 600;
  word-break: break-all;
}

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

.card-head,
.feed-head,
.item-top,
.asset-id {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.asset-id,
.item-top {
  justify-content: flex-start;
}

.logo {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 50%;
  overflow: hidden;
  display: block;
}

.logo svg {
  display: block;
  width: 40px;
  height: 40px;
}

.asset-sub,
.price-meta,
.status-meta {
  margin: 0;
  font-size: 13px;
}

.chg {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  margin-left: 8px;
}

.chg.up {
  color: var(--buy);
}

.chg.down {
  color: var(--overheat);
}

.live-flag {
  letter-spacing: 0.04em;
}

.price {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.05em;
  margin: 18px 0 4px;
  font-variant-numeric: tabular-nums;
}

.headline {
  margin: 14px 0 0;
  min-height: 44px;
}

.countdown {
  color: var(--wait);
  font-weight: 600;
  margin: 12px 0 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav a,
.nav-current,
.nav-disabled,
.more,
.pager a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
}

.nav-current,
.more {
  color: var(--text);
  font-weight: 600;
}

.nav-disabled {
  color: var(--muted);
  cursor: default;
}

.feed {
  margin-top: 20px;
}

.feed-wide {
  margin-top: 0;
}

.feed-head {
  margin-bottom: 8px;
}

.item {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.item:first-of-type {
  border-top: 0;
}

.item p {
  margin: 8px 0 0;
}

.card {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.card:hover {
  border-color: #3a3a40;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  max-width: 58%;
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.card .badge {
  padding: 6px 12px;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.payday {
  background: rgba(245, 245, 247, 0.1);
  color: var(--text);
}

.official {
  background: rgba(48, 209, 88, 0.14);
  color: var(--buy);
}
.observe {
  background: rgba(100, 210, 255, 0.14);
  color: var(--watch);
}
.wait {
  background: rgba(255, 214, 10, 0.14);
  color: var(--wait);
}
.risk {
  background: rgba(255, 69, 58, 0.14);
  color: var(--overheat);
}
.money {
  background: rgba(245, 245, 247, 0.08);
  color: var(--text);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.stat {
  border-top: 1px solid var(--line);
  padding: 12px 0 0;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.stat strong {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.board-note {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 8px;
  color: var(--muted);
}

button,
.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 980px;
  padding: 8px 14px;
  cursor: pointer;
}

form button {
  background: #f5f5f7;
  color: #111;
  border-color: #f5f5f7;
  font-weight: 600;
}

input {
  width: 100%;
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f0f10;
  color: var(--text);
}

input:focus {
  outline: none;
  border-color: #6e6e73;
}

.pending {
  color: var(--wait);
}

.disclaimer {
  margin: 0 0 20px;
  font-size: 13px;
}

.card-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.card-link:hover {
  color: var(--text);
}

.research h1 {
  font-size: 40px;
  margin: 4px 0 12px;
}

.headline-lg {
  font-size: 18px;
  line-height: 1.5;
  max-width: 720px;
  margin: 0 0 18px;
}

.research-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.research-tabs {
  display: flex;
  gap: 32px;
  margin: 4px 0 28px;
  border-bottom: 1px solid var(--line);
}

.research-tabs a {
  color: var(--muted);
  text-decoration: none;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.04em;
  padding: 8px 0 14px;
}

.research-tabs a.on {
  color: var(--text);
  box-shadow: inset 0 -2px 0 var(--text);
}

.research-tabs a.tab-signal {
  color: #248a3d;
}

.research-tabs a.tab-signal.on {
  color: var(--buy);
  box-shadow: inset 0 -2px 0 var(--buy);
}

.research-tabs a.tab-heat {
  color: #9b2d28;
}

.research-tabs a.tab-heat.on {
  color: var(--overheat);
  box-shadow: inset 0 -2px 0 var(--overheat);
}

.pane-title.tab-signal {
  color: var(--buy);
}

.pane-title.tab-heat {
  color: var(--overheat);
}

.pane {
  display: none;
}

.pane.show {
  display: block;
}

.pane-title {
  display: none;
}

.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 8px 0 20px;
  align-items: start;
}

.chart-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
}

.chart-wrap h3 {
  margin-bottom: 4px;
}

.chart-wrap .muted {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.45;
}

.heat-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.heat-list li + li {
  margin-top: 4px;
}

.heat-chart {
  position: relative;
}

.heat-mark {
  cursor: pointer;
  outline: none;
}

.heat-hit {
  pointer-events: auto;
}

.heat-tip {
  position: absolute;
  transform: translate(-50%, -100%);
  background: #1c1c1e;
  border: 1px solid #3a3a3c;
  border-radius: 12px;
  padding: 10px 12px;
  min-width: 132px;
  pointer-events: none;
  z-index: 4;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.heat-tip.below {
  transform: translate(-50%, 8px);
}

.heat-tip[hidden] {
  display: none;
}

.heat-tip strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  letter-spacing: -0.03em;
}

.heat-tip span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.chart .highline {
  stroke: #86868b;
  stroke-dasharray: 5 5;
  stroke-width: 1;
}

.dot-swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  background: #ff453a;
  vertical-align: middle;
}

.chart {
  width: 100%;
  height: auto;
  display: block;
}

.chart .gridline {
  stroke: #2a2a2e;
  stroke-width: 1;
}

.chart .axis {
  fill: #86868b;
  font-size: 11px;
}

.legend {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.swatch {
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: #6e6e73;
}

.swatch.on {
  background: #f5f5f7;
}

.swatch.alt {
  background: #64d2ff;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.kpi div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.kpi strong {
  font-size: 22px;
  letter-spacing: -0.03em;
}

.copy p {
  color: var(--muted);
  line-height: 1.6;
  max-width: 760px;
}

.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0 40px;
}

.principle {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.principle h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.principle p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 860px) {
  body {
    padding: 18px 16px 48px;
  }
  .grid,
  .stats,
  .feed-head,
  .kpi,
  .principles,
  .research-top,
  .chart-row {
    grid-template-columns: 1fr;
    display: grid;
  }
  .top {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .top-brand,
  .nav {
    grid-column: 1;
    justify-self: center;
  }
  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  .price {
    font-size: 36px;
  }
  .research-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    position: sticky;
    top: 0;
    z-index: 4;
    margin: 0 0 18px;
    padding-top: 4px;
    background: var(--bg);
  }
  .research-tabs a {
    text-align: center;
    font-size: 18px;
    padding: 12px 4px 12px;
  }
}