:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(9, 16, 33, 0.74);
  --panel-strong: rgba(11, 18, 38, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f7ff;
  --muted: rgba(235, 240, 255, 0.68);
  --accent: #f7931a;
  --accent-2: #7c8cff;
  --good: #48e6a5;
  --bad: #ff6b8b;
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(247, 147, 26, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(124, 140, 255, 0.18), transparent 22%),
    linear-gradient(180deg, #06101d 0%, #050914 100%);
  color: var(--text);
}

body {
  position: relative;
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.bg-orbit {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.28;
  pointer-events: none;
}

.bg-orbit-a {
  top: -80px;
  right: -40px;
  width: 280px;
  height: 280px;
  background: rgba(247, 147, 26, 0.55);
}

.bg-orbit-b {
  left: -80px;
  bottom: 10%;
  width: 340px;
  height: 340px;
  background: rgba(124, 140, 255, 0.5);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
  display: grid;
  gap: 18px;
}

.card {
  background: linear-gradient(180deg, rgba(12, 20, 39, 0.86), rgba(8, 13, 26, 0.8));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.eyebrow,
.label,
.chart-note,
.footer-note p {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  max-width: 10ch;
}

.lede {
  margin: 18px 0 0;
  max-width: 56ch;
  color: rgba(235, 240, 255, 0.78);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.6;
}

.price-stack {
  display: grid;
  gap: 18px;
  align-self: center;
}

.price-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.price {
  margin-top: 4px;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.06em;
}

.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.9);
  white-space: nowrap;
}

.delta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.metric strong,
.meta-row strong,
.chart-title,
.tooltip-price {
  display: block;
  margin-top: 6px;
  font-size: 1.06rem;
  font-weight: 700;
}

.toolbar {
  display: grid;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-lg);
}

.range-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.range-btn {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.03);
  transition: 160ms ease;
}

.range-btn:hover,
.range-btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(247, 147, 26, 0.45);
  outline: none;
}

.range-btn.active {
  background: linear-gradient(135deg, rgba(247, 147, 26, 0.95), rgba(255, 175, 64, 0.92));
  border-color: transparent;
  color: #1a0f02;
  box-shadow: 0 18px 30px rgba(247, 147, 26, 0.16);
}

.meta-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.meta-row > div {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
}

.chart-card {
  padding: 20px;
  border-radius: var(--radius-xl);
}

.chart-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.chart-header h2,
.chart-title {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  letter-spacing: -0.04em;
}

.chart-wrap {
  position: relative;
  min-height: 420px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    radial-gradient(circle at top, rgba(247, 147, 26, 0.08), transparent 40%),
    rgba(5, 11, 23, 0.9);
}

#chart {
  width: 100%;
  height: 100%;
  display: block;
}

.grid-line {
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 1;
}

.axis-base {
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1.25;
}

.axis-tick {
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 1.25;
}

.axis-label {
  fill: rgba(235, 240, 255, 0.54);
  font-size: 16px;
  letter-spacing: -0.01em;
}

.x-axis-label {
  fill: rgba(235, 240, 255, 0.62);
  font-size: 15px;
}

.y-axis-label {
  font-variant-numeric: tabular-nums;
}

.price-line {
  fill: none;
  stroke: url(#lineGradient);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.price-area {
  fill: url(#areaGradient);
}

.axis-label,
.axis-base,
.axis-tick,
.grid-line {
  vector-effect: non-scaling-stroke;
}

.crosshair {
  stroke: rgba(255, 255, 255, 0.24);
  stroke-dasharray: 6 8;
}

.point-hit {
  fill: rgba(255, 255, 255, 0.001);
  stroke: rgba(255, 255, 255, 0.001);
  cursor: pointer;
  pointer-events: all;
}

#chart {
  touch-action: manipulation;
}

.point-dot {
  fill: #ffffff;
  stroke: #f7931a;
  stroke-width: 5;
  filter: drop-shadow(0 8px 18px rgba(247, 147, 26, 0.3));
}

.chart-tooltip {
  position: absolute;
  top: 20px;
  left: 20px;
  min-width: 180px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 12, 23, 0.9);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
  pointer-events: none;
}

.tooltip-date {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
}

.tooltip-price {
  font-size: 1.25rem;
  margin-top: 6px;
}

.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.footer-note {
  text-align: center;
  padding: 6px 8px 10px;
}

.footer-note p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .chart-header,
  .price-row {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 18px, 1180px);
    padding-top: 12px;
  }

  .hero,
  .chart-card {
    padding: 18px;
    border-radius: 22px;
  }

  .meta-row,
  .delta-grid {
    grid-template-columns: 1fr;
  }

  .chart-wrap {
    min-height: 320px;
  }
}