:root {
  color-scheme: dark;
  --bg: #0b0d13;
  --bg-soft: #121621;
  --panel: #151a27;
  --panel-strong: #1d2334;
  --text: #e6e9f2;
  --muted: #9aa3b4;
  --accent: #56c2ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: rgba(0, 0, 0, 0.45);
  --grid: rgba(255, 255, 255, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at top, #1b2338, #0b0d13 60%);
  color: var(--text);
  display: flex;
  justify-content: center;
}

.glow {
  position: fixed;
  inset: -20% 10% auto 10%;
  height: 40vh;
  background: radial-gradient(circle, rgba(86, 194, 255, 0.25), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.shell {
  width: min(1280px, 94vw);
  padding: 40px 0 60px;
  position: relative;
  z-index: 1;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--muted);
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0;
}

.subhead {
  margin: 12px 0 0;
  color: var(--muted);
}

.meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.meta-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  min-width: 160px;
  box-shadow: 0 20px 40px var(--shadow);
}

.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.meta-value {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 600;
}

.filter-btn {
  background: rgba(10, 14, 22, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.filter-btn.active {
  background: rgba(86, 194, 255, 0.2);
  border-color: rgba(86, 194, 255, 0.6);
}

.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-left: auto;
}

.toggle-group {
  display: inline-flex;
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(10, 14, 22, 0.7);
  border: 1px solid var(--border);
  box-shadow: 0 12px 24px var(--shadow);
  flex-wrap: wrap;
}

.toggle-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.toggle-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

.toggle-btn.active {
  background: rgba(86, 194, 255, 0.2);
  border-color: rgba(86, 194, 255, 0.6);
  color: var(--text);
}

.back-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  display: none;
}

.back-btn.visible {
  display: inline-flex;
}

.chart-shell {
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: stretch;
}

.y-axis {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 0;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: right;
  position: relative;
}

.y-tick {
  position: absolute;
  right: 0;
  transform: translateY(-50%);
}

.chart {
  position: relative;
  height: clamp(420px, 60vh, 620px);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(27, 34, 52, 0.85), rgba(16, 20, 32, 0.95));
  border: 1px solid var(--border);
  box-shadow: 0 18px 36px var(--shadow);
  overflow: hidden;
}

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

.grid-line {
  stroke: var(--grid);
  stroke-width: 1;
}

.grid-line.zero {
  stroke: rgba(255, 255, 255, 0.35);
  stroke-width: 1.5;
}

.grid-label {
  fill: var(--muted);
  font-size: 10px;
}

.sector-label {
  fill: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-anchor: middle;
}

.sector-label.interactive {
  cursor: pointer;
  fill: rgba(230, 233, 242, 0.9);
}

.sector-stat {
  fill: rgba(230, 233, 242, 0.85);
  font-size: 11px;
  text-anchor: middle;
}

.dot {
  opacity: 0.9;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.dot:hover {
  opacity: 1;
}

.pinned-label {
  fill: rgba(255, 255, 255, 0.9);
  font-size: 10px;
  text-anchor: start;
  paint-order: stroke;
  stroke: rgba(10, 14, 22, 0.9);
  stroke-width: 3px;
}

.footer {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
}

.refresh {
  background: var(--accent);
  color: #05111d;
  border: none;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(86, 194, 255, 0.35);
}

.refresh:hover {
  transform: translateY(-2px);
}

.notes {
  font-size: 0.85rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.tooltip {
  position: fixed;
  background: rgba(12, 16, 24, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  pointer-events: none;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 10;
}

.tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .chart-shell {
    grid-template-columns: 50px 1fr;
  }
}

@media (max-width: 700px) {
  .hero {
    align-items: flex-start;
  }

  .meta-card {
    min-width: 140px;
  }

  .controls {
    justify-content: flex-start;
  }
}