* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: #0a192f;
  color: #ccd6f6;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: #64ffda;
  margin: 0 0 12px;
}

.header h1 {
  margin: 0 0 12px;
  font-size: 32px;
  color: #e6f1ff;
}

.subtitle {
  margin: 0;
  font-size: 15px;
  color: #8892b0;
  max-width: 520px;
}

.legend-note {
  font-size: 13px;
  color: #8892b0;
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
}

.chart-panel {
  position: relative;
  background: #112240;
  border-radius: 12px;
  padding: 16px;
  min-height: 520px;
}

#chart {
  width: 100%;
  height: 100%;
  min-height: 480px;
}

.filters {
  background: #112240;
  border-radius: 12px;
  padding: 20px;
  height: fit-content;
}

.filters h2 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #e6f1ff;
}

.filters p {
  margin: 0 0 16px;
  color: #8892b0;
  font-size: 13px;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 360px;
  overflow-y: auto;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #ccd6f6;
}

.filter-item input {
  accent-color: #64ffda;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tooltip {
  position: absolute;
  pointer-events: none;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(10, 25, 47, 0.95);
  color: #e6f1ff;
  font-size: 13px;
  border: 1px solid rgba(100, 255, 218, 0.3);
  opacity: 0;
  transform: translate(-50%, -120%);
  transition: opacity 120ms ease;
  white-space: nowrap;
}

.tooltip.visible {
  opacity: 1;
}

.axis text {
  fill: #a8b2d1;
  font-size: 12px;
}

.axis path,
.axis line {
  stroke: rgba(136, 146, 176, 0.35);
}

.axis-label {
  fill: #a8b2d1;
  font-size: 13px;
  font-weight: 500;
}

.zero-line {
  stroke: rgba(100, 255, 218, 0.4);
  stroke-dasharray: 4 4;
}

.line {
  fill: none;
  stroke-width: 2.4px;
}

.ci-band {
  opacity: 0;
}

.ci-band.visible {
  opacity: 0.18;
}

.empty-state {
  text-align: center;
  color: #8892b0;
  font-size: 14px;
  padding: 80px 16px;
}

@media (max-width: 960px) {
  .content {
    grid-template-columns: 1fr;
  }
}