:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --text: #eef5ff;
  --muted: #93a4bd;
  --green: #32d583;
  --amber: #fdb022;
  --red: #f97066;
  --cyan: #5eead4;
  --blue: #60a5fa;
  --line: rgba(148, 163, 184, 0.28);
  --violet: #c084fc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 12% -10%, rgba(94, 234, 212, 0.18), transparent 30%),
    radial-gradient(circle at 88% 5%, rgba(96, 165, 250, 0.16), transparent 28%),
    linear-gradient(135deg, #080b16 0%, var(--bg) 48%, #111827 100%);
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
  font-family: "IBM Plex Sans", "Bahnschrift", "Aptos", sans-serif;
}

.shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 5.2rem);
  letter-spacing: -0.08em;
  line-height: 0.95;
}

.subtitle {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 210px;
  text-align: right;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-meta span {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.hidden {
  display: none !important;
}

.empty {
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--panel);
  color: var(--muted);
  text-align: center;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.market-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--border);
}

.strip-cell {
  padding: 14px 16px;
  background: rgba(4, 10, 24, 0.72);
}

.strip-cell span,
.strip-cell small {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.strip-cell strong {
  display: block;
  margin: 6px 0 4px;
  font-size: 1.55rem;
  letter-spacing: -0.05em;
}

.score-card {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(94, 234, 212, 0.16), rgba(96, 165, 250, 0.08) 44%, rgba(255, 255, 255, 0.04)), var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.score-card-us_ai_boom {
  background: linear-gradient(145deg, rgba(96, 165, 250, 0.2), rgba(255, 255, 255, 0.04)), var(--panel);
}

.score-card-cn_ai_boom {
  background: linear-gradient(145deg, rgba(253, 176, 34, 0.18), rgba(255, 255, 255, 0.04)), var(--panel);
}

.score-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -80px auto;
  width: 190px;
  height: 190px;
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.1);
  filter: blur(2px);
}

.score-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.score-value {
  margin: 18px 0 8px;
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.delta-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.82rem;
}

.delta-row strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 0.96rem;
}

.panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
}

.panel::before,
.score-card::before {
  content: "";
  position: absolute;
}

.panel {
  position: relative;
}

.wide {
  margin-bottom: 16px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

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

.health-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.panel h2 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.explainer-grid {
  align-items: stretch;
}

.indicator-guide {
  display: grid;
  gap: 10px;
}

.formula-rules {
  display: block;
  max-height: min(62vh, 620px);
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 8px;
  scrollbar-color: rgba(94, 234, 212, 0.5) rgba(255, 255, 255, 0.06);
  scrollbar-width: thin;
}

.formula-markdown {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #cbd5e1;
  line-height: 1.58;
  font-size: 0.9rem;
}

.formula-markdown h3 {
  margin: 18px 0 8px;
  color: var(--cyan);
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.formula-markdown h3:first-child {
  margin-top: 0;
}

.formula-markdown h4 {
  margin: 14px 0 8px;
  padding: 7px 10px 7px 12px;
  border-left: 3px solid rgba(94, 234, 212, 0.9);
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(94, 234, 212, 0.16), rgba(15, 23, 42, 0));
  color: #e5fbff;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
}

.formula-markdown h5 {
  margin: 12px 0 6px;
  padding-left: 10px;
  border-left: 2px solid rgba(253, 176, 34, 0.85);
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: 700;
}

.formula-markdown ul {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
  padding-left: 18px;
}

.formula-markdown li,
.formula-markdown p {
  margin: 0;
}

.formula-markdown code {
  display: inline;
  max-width: 100%;
  padding: 1px 5px;
  border: 1px solid rgba(94, 234, 212, 0.16);
  border-radius: 6px;
  background: rgba(94, 234, 212, 0.08);
  color: #d8fffb;
  font-family: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", monospace;
  font-size: 0.86em;
  white-space: normal;
  overflow-wrap: anywhere;
}

.formula-markdown .math-block,
.formula-markdown .latex-block {
  max-width: 100%;
  overflow-x: auto;
  margin: 10px 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(94, 234, 212, 0.14);
  border-radius: 14px;
  background: rgba(2, 8, 23, 0.35);
  color: #e5fbff;
}

.formula-markdown .latex-block .katex-display {
  margin: 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.formula-markdown .latex-block .katex {
  color: #e5fbff;
  font-size: 0.94rem;
}

.formula-markdown .latex-block code {
  display: block;
  font-size: 0.82rem;
  line-height: 1.5;
}

.chart-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.rule-row,
.guide-chip {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
}

.rule-row strong,
.guide-chip strong {
  color: var(--cyan);
  font-size: 0.86rem;
}

.rule-row span,
.guide-chip span {
  color: #cbd5e1;
  line-height: 1.55;
  font-size: 0.9rem;
}

.table-wrap {
  overflow-x: auto;
}

.infra-proxy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.infra-proxy-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.74), rgba(15, 23, 42, 0.42));
}

.infra-proxy-card .panel-head {
  margin-bottom: 8px;
}

.infra-proxy-card h3 {
  margin: 0;
  font-size: 1rem;
}

.chart-example {
  margin-top: 10px;
  font-size: 0.78rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 0.88rem;
}

th,
td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

td {
  color: #dbe7f6;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

.status {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
}

.status.success {
  color: var(--green);
  background: rgba(50, 213, 131, 0.1);
}

.status.partial {
  color: var(--amber);
  background: rgba(253, 176, 34, 0.1);
}

.status.fallback {
  color: var(--green);
  background: rgba(50, 213, 131, 0.1);
}

.status.blocked,
.status.rate_limited {
  color: var(--violet);
  background: rgba(192, 132, 252, 0.12);
}

.status.failed {
  color: var(--red);
  background: rgba(249, 112, 102, 0.1);
}

.muted {
  color: var(--muted);
}

footer {
  margin-top: 26px;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

@media (max-width: 900px) {
  .hero {
    display: block;
  }

  .hero-meta {
    margin-top: 18px;
    text-align: left;
  }

  .rule-row,
  .guide-chip {
    grid-template-columns: 1fr;
  }

  .score-grid,
  .grid-two,
  .infra-proxy-grid,
  .market-strip {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 20px, 1440px);
    padding-top: 18px;
  }
}