:root {
  color-scheme: dark;
  --bg: #080b0f;
  --panel: #101720;
  --panel-soft: #141d28;
  --panel-raised: #182332;
  --line: #263442;
  --line-strong: #334758;
  --text: #eef4f8;
  --muted: #8795a4;
  --muted-strong: #a9b5bf;
  --green: #20c997;
  --green-soft: rgba(32, 201, 151, 0.13);
  --red: #ff5c73;
  --red-soft: rgba(255, 92, 115, 0.13);
  --blue: #4ea1ff;
  --amber: #f5b451;
  --shadow: rgba(0, 0, 0, 0.28);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7fa;
  --panel: #ffffff;
  --panel-soft: #f7fafc;
  --panel-raised: #edf3f8;
  --line: #d9e1e8;
  --line-strong: #c4d0db;
  --text: #17212b;
  --muted: #657485;
  --muted-strong: #3f4e5d;
  --shadow: rgba(29, 42, 56, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(78, 161, 255, 0.08), transparent 360px),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(520px, 1.6fr);
  gap: 16px;
  align-items: stretch;
}

.brand-block,
.metric,
.chart-section,
.market-section {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: 0 18px 42px var(--shadow);
}

.brand-block {
  display: flex;
  min-height: 132px;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: 20px;
  border-radius: var(--radius);
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--text);
  font-weight: 760;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h2 {
  font-size: clamp(1.12rem, 2vw, 1.55rem);
}

.stream-pill {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  gap: 9px;
  border: 1px solid color-mix(in srgb, var(--green) 45%, var(--line));
  border-radius: 999px;
  padding: 8px 11px;
  color: var(--muted-strong);
  background: var(--green-soft);
  font-size: 0.8rem;
  white-space: nowrap;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.68);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.68);
  }

  70% {
    box-shadow: 0 0 0 8px rgba(32, 201, 151, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(32, 201, 151, 0);
  }
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  display: flex;
  min-height: 132px;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  border-radius: var(--radius);
  padding: 18px;
}

.metric-label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.4rem, 2.6vw, 2.05rem);
  font-weight: 790;
  line-height: 1;
}

.theme-card {
  gap: 18px;
}

.theme-toggle {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  border: 0;
  color: var(--text);
  background: transparent;
  padding: 0;
  font-weight: 720;
}

.toggle-track {
  position: relative;
  width: 46px;
  height: 26px;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel-raised);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--blue);
  transition: transform 180ms ease, background 180ms ease;
}

:root[data-theme="light"] .toggle-thumb {
  transform: translateX(20px);
  background: var(--amber);
}

.chart-section,
.market-section {
  margin-top: 16px;
  border-radius: var(--radius);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.section-heading > span {
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.chart-wrap {
  position: relative;
  height: clamp(270px, 38vh, 430px);
  padding: 16px 18px 18px;
}

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

.chart-placeholder {
  position: absolute;
  inset: 16px 18px 18px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  background: repeating-linear-gradient(
    135deg,
    color-mix(in srgb, var(--panel-raised) 75%, transparent),
    color-mix(in srgb, var(--panel-raised) 75%, transparent) 10px,
    color-mix(in srgb, var(--panel-soft) 70%, transparent) 10px,
    color-mix(in srgb, var(--panel-soft) 70%, transparent) 20px
  );
  text-align: center;
}

.chart-placeholder.is-hidden {
  display: none;
}

.table-frame {
  overflow-x: auto;
  scrollbar-color: var(--line-strong) transparent;
}

table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
}

th,
td {
  height: 64px;
  border-bottom: 1px solid var(--line);
  padding: 0 16px;
  text-align: right;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  height: 44px;
  color: var(--muted);
  background: var(--panel-soft);
  font-size: 0.72rem;
  font-weight: 780;
  text-transform: uppercase;
}

th:first-child,
td:first-child {
  width: 56px;
  text-align: center;
}

th:nth-child(2),
td:nth-child(2) {
  text-align: left;
}

tbody tr {
  transition: background 160ms ease;
}

tbody tr:hover,
tbody tr.is-selected {
  background: color-mix(in srgb, var(--blue) 10%, transparent);
}

tbody tr.is-selected {
  box-shadow: inset 3px 0 0 var(--blue);
}

.asset-cell {
  display: flex;
  min-width: 190px;
  align-items: center;
  gap: 11px;
}

.asset-icon {
  display: inline-grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--text);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 42%, transparent), transparent),
    var(--panel-raised);
  font-size: 0.72rem;
  font-weight: 820;
}

.asset-copy {
  display: grid;
  gap: 3px;
}

.asset-name {
  overflow: hidden;
  max-width: 180px;
  color: var(--text);
  font-weight: 730;
  text-overflow: ellipsis;
}

.asset-symbol {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  text-transform: uppercase;
}

.price-cell {
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-weight: 730;
}

.change-badge {
  display: inline-flex;
  min-width: 78px;
  justify-content: center;
  border-radius: 999px;
  padding: 7px 9px;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  font-weight: 780;
}

.is-up {
  color: var(--green);
}

.is-down {
  color: var(--red);
}

.change-badge.is-up {
  background: var(--green-soft);
}

.change-badge.is-down {
  background: var(--red-soft);
}

.volume-cell {
  color: var(--muted-strong);
  font-variant-numeric: tabular-nums;
}

.sparkline {
  width: 126px;
  height: 34px;
  overflow: visible;
}

.sparkline path {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.loading-cell,
.error-cell {
  height: 132px;
  color: var(--muted);
  text-align: center;
}

.error-cell {
  color: var(--red);
}

@media (max-width: 1120px) {
  .topbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .shell {
    padding: 12px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-block,
  .metric {
    min-height: 112px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .section-heading > span {
    text-align: left;
  }

  .chart-wrap {
    height: 300px;
    padding: 12px;
  }

  .chart-placeholder {
    inset: 12px;
  }

  th,
  td {
    padding: 0 12px;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 92px;
  }

  .stream-pill {
    width: 100%;
    white-space: normal;
  }
}