:root {
  color-scheme: light;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #111;
}

.wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 16px;
}

h1 {
  margin: 0 0 6px 0;
  font-size: 26px;
}

p { margin: 0; color: #333; }

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin: 14px 0 8px 0;
}

button {
  padding: 8px 12px;
  border: 1px solid #ddd;
  background: white;
  border-radius: 10px;
  cursor: pointer;
}

button:hover { background: #f3f3f3; }

label {
  display: flex;
  gap: 8px;
  align-items: center;
  border: 1px solid #e7e7e7;
  background: #fff;
  padding: 8px 10px;
  border-radius: 10px;
}

input[type="range"] { width: 220px; }
input[type="number"] { width: 90px; }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.stats {
  padding: 10px 12px;
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 12px;
  margin-bottom: 12px;
  min-height: 20px;
}

.canvasRow {
  display: flex;
  gap: 12px;
  align-items: stretch;
  flex-wrap: nowrap;
}

.canvasCard {
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 16px;
  padding: 12px;
}

.mainPlot {
  flex: 1 1 620px;
}

.fitPlot {
  flex: 0 1 320px;
}

@media (max-width: 1100px) {
  .canvasRow {
    flex-wrap: wrap;
  }
}

canvas {
  width: 100%;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 12px;
}

.legend {
  margin-top: 10px;
  display: flex;
  gap: 14px;
  align-items: center;
  color: #444;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 6px;
  vertical-align: middle;
}

.dot-true { background: rgba(0, 120, 255, 0.45); }
.dot-est  { background: rgba(220, 0, 80, 0.85); }
.dot-pts  { background: rgba(0, 0, 0, 0.75); }
.dot-est-a { background: rgba(20, 150, 90, 0.85); }
.dot-est-b { background: rgba(230, 150, 30, 0.9); }
.dot-true-a { background: rgba(20, 150, 90, 0.25); border: 1px solid rgba(20, 150, 90, 0.9); }
.dot-true-b { background: rgba(230, 150, 30, 0.25); border: 1px solid rgba(230, 150, 30, 0.9); }