:root {
  color-scheme: dark;
  --bg: #0b0e11;
  --bg-soft: #151b28;
  --panel: #1a202d;
  --line: #2a3142;
  --text: #f3f6fb;
  --muted: #97a3be;
  --accent: #f0b90b;
  --pos: #02c076;
  --neg: #f84960;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-soft: #e8edf5;
  --panel: #ffffff;
  --line: #d8dfec;
  --text: #0f1727;
  --muted: #586279;
  --accent: #b88600;
  --pos: #0f9f5e;
  --neg: #cf3047;
}

:root[data-theme='dark'] {
  color-scheme: dark;
}

:root[data-contrast='high'] {
  --line: #ffffff;
  --text: #ffffff;
  --muted: #d2d6de;
}

:root[data-theme='light'][data-contrast='high'] {
  --line: #000000;
  --text: #000000;
  --muted: #232323;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Avenir Next Demi Bold', 'Avenir Next', 'Segoe UI', sans-serif;
  background: linear-gradient(170deg, var(--bg), var(--bg-soft));
  color: var(--text);
}

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 1rem 1rem 5.8rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.5rem, 6vw, 2.1rem);
}

.meta {
  margin-top: 0.28rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.panel,
.row,
.total-box,
.chart-panel,
.legend-row,
input,
select,
button,
.action-link {
  border-radius: 0;
}

.panel,
.chart-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.72rem;
}

.panel-head {
  display: grid;
  gap: 0.46rem;
  margin-bottom: 0.6rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 0.66rem 0.7rem;
}

.list {
  display: grid;
  gap: 0.45rem;
}

.row {
  border: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.74rem;
}

.market-clickable {
  cursor: pointer;
}

.pair {
  font-size: clamp(0.98rem, 4.7vw, 1.3rem);
}

.sub {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.right {
  text-align: right;
}

.price {
  font-size: clamp(1.08rem, 5.1vw, 1.62rem);
}

.delta {
  margin-top: 0.1rem;
  font-size: 0.86rem;
}

.delta.pos {
  color: var(--pos);
}

.delta.neg {
  color: var(--neg);
}

.actions {
  display: flex;
  gap: 0.35rem;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

button,
.action-link {
  font: inherit;
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
  padding: 0.54rem 0.68rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.solid,
.tab-link.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b0e11;
}

.tiny {
  padding: 0.3rem 0.45rem;
  font-size: 0.74rem;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.total-box p {
  color: var(--muted);
  font-size: 0.75rem;
}

.total-box strong {
  display: block;
  margin-top: 0.24rem;
}

.total-box strong.pos {
  color: var(--pos);
}

.total-box strong.neg {
  color: var(--neg);
}

.chart-wrap {
  position: relative;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 88%, black);
}

canvas {
  width: 100%;
  height: 260px;
  display: block;
}

.chart-tooltip {
  position: absolute;
  left: 0.5rem;
  top: 0.5rem;
  background: color-mix(in oklab, var(--bg) 80%, black);
  border: 1px solid var(--line);
  padding: 0.3rem 0.44rem;
  font-size: 0.76rem;
  pointer-events: none;
}

.legend {
  display: grid;
  gap: 0.34rem;
  margin-top: 0.5rem;
}

.legend-row {
  border: 1px solid var(--line);
  padding: 0.44rem 0.5rem;
  display: flex;
  justify-content: space-between;
  gap: 0.45rem;
  font-size: 0.81rem;
}

.legend-left {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.swatch {
  width: 0.76rem;
  height: 0.76rem;
  border: 1px solid color-mix(in oklab, var(--line) 80%, #000);
}

.status,
.small-muted {
  color: var(--muted);
  font-size: 0.84rem;
}

.stack {
  display: grid;
  gap: 0.34rem;
}

fieldset {
  border: 1px solid var(--line);
  padding: 0.52rem;
  display: grid;
  gap: 0.36rem;
}

label {
  display: flex;
  align-items: center;
  gap: 0.46rem;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 88%, black);
}

.tab-link {
  font-size: 0.78rem;
  padding: 0.8rem 0.4rem;
  text-align: center;
  border-right: 1px solid var(--line);
}

.tab-link:last-child {
  border-right: 0;
}

.hidden {
  display: none;
}

.landing-shell {
  width: min(1060px, 100%);
  margin: 0 auto;
  padding: 1rem 1rem 2.4rem;
}

.pref-banner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.7rem;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 84%, black);
  padding: 0.7rem;
  margin-bottom: 0.8rem;
}

.pref-title {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.landing-hero {
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 15%, rgba(240, 185, 11, 0.2), transparent 40%),
    linear-gradient(155deg, color-mix(in oklab, var(--panel) 94%, black), var(--panel));
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.landing-hero h1 {
  max-width: 18ch;
  margin-top: 0.2rem;
}

.landing-lead {
  margin-top: 0.6rem;
  color: var(--muted);
  max-width: 65ch;
}

.landing-cta {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.landing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.landing-card h3 {
  color: var(--accent);
  margin-bottom: 0.28rem;
}

.landing-card p {
  color: var(--muted);
  font-size: 0.88rem;
}

.landing-strip {
  margin-top: 0.5rem;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
}

.strip-item {
  padding: 0.62rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 90%, black);
}

.strip-item:last-child {
  border-bottom: 0;
}

@media (min-width: 860px) {
  .landing-shell {
    padding-top: 1.4rem;
  }

  .landing-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .landing-strip {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .strip-item {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .strip-item:last-child {
    border-right: 0;
  }
}

@media (min-width: 860px) {
  .app-shell {
    padding-top: 1.6rem;
  }

  .bottom-nav {
    width: min(900px, 100%);
    margin: 0 auto;
  }

  canvas {
    height: 320px;
  }
}