:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --ink: #1d2228;
  --muted: #66717f;
  --line: #dce1e7;
  --green: #0b8f5a;
  --red: #c03d3d;
  --blue: #2563eb;
  --amber: #b7791f;
  --shadow: 0 18px 45px rgba(34, 43, 54, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  padding: 18px;
}

.quote-panel,
.side-panel {
  min-width: 0;
}

.quote-panel,
.panel-block {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.quote-panel {
  border-radius: 8px;
  overflow: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 24px 26px 12px;
}

.eyebrow,
.subtitle,
.chart-meta,
.quote-grid span,
.levels span {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 5px;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 2px;
  font-size: 2.7rem;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: 1rem;
  letter-spacing: 0;
}

.subtitle {
  margin-bottom: 0;
}

.refresh-box {
  display: flex;
  gap: 10px;
  align-items: center;
}

#marketState {
  min-width: 92px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  background: #fafbfc;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  min-height: 38px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover {
  border-color: #aeb8c5;
}

.price-row {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: end;
  padding: 10px 26px 22px;
  border-bottom: 1px solid var(--line);
}

.price {
  min-height: 58px;
  font-size: 3.2rem;
  font-weight: 750;
  line-height: 1;
  letter-spacing: 0;
}

.change {
  min-height: 24px;
  margin-top: 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.positive {
  color: var(--green);
}

.negative {
  color: var(--red);
}

.neutral {
  color: var(--muted);
}

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

.quote-grid div,
.levels div {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.quote-grid strong,
.levels strong {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.chart-band {
  padding: 16px 20px 22px;
}

.chart-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
}

.range-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.range.active {
  border-color: var(--blue);
  color: var(--blue);
  font-weight: 800;
}

canvas {
  width: 100%;
  height: min(54vh, 470px);
  display: block;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-block {
  border-radius: 8px;
  padding: 18px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

label + label {
  margin-top: 12px;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
}

textarea {
  resize: vertical;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.badge {
  min-width: 96px;
  border-radius: 999px;
  padding: 7px 10px;
  text-align: center;
  font-size: 0.76rem;
  font-weight: 850;
  background: #edf2f7;
}

.badge.entry {
  color: var(--green);
  background: #e6f6ef;
}

.badge.rejected,
.badge.closed {
  color: var(--red);
  background: #fbebeb;
}

.badge.wait {
  color: var(--amber);
  background: #fff7df;
}

.signal-reason {
  color: var(--muted);
  line-height: 1.45;
}

.levels {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 14px 0;
}

.checks {
  display: grid;
  gap: 8px;
}

.check {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}

.check strong {
  color: var(--ink);
}

.check.pass strong {
  color: var(--green);
}

.check.fail strong {
  color: var(--red);
}

@media (max-width: 1040px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .shell {
    padding: 10px;
  }

  .topbar,
  .price-row,
  .chart-toolbar {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .price-row,
  .quote-grid,
  .side-panel {
    display: grid;
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.1rem;
  }

  .price {
    font-size: 2.45rem;
  }

  canvas {
    height: 360px;
  }
}