body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f7f8fb;
  color: #222;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  margin-bottom: 8px;
}

.subtitle {
  margin-bottom: 20px;
  color: #555;
}

.fixed-params {
  background: white;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.panel {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
}

.controls,
.stats-card,
.plot-card {
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.controls h2,
.stats-card h2 {
  margin-top: 0;
  font-size: 20px;
}

.slider-group {
  margin-bottom: 18px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-weight: bold;
}

input[type="range"] {
  width: 100%;
}

.plots {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.plot-box {
  width: 100%;
  height: 430px;
}

.stats-card {
  margin-top: 20px;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.stats-table td {
  padding: 8px 6px;
  border-bottom: 1px solid #eee;
  vertical-align: top;
}

.small-note {
  color: #666;
  font-size: 13px;
  margin-top: 10px;
  line-height: 1.5;
}

.status {
  margin-top: 12px;
  font-size: 13px;
  color: #666;
}

@media (max-width: 1000px) {
  .panel {
    grid-template-columns: 1fr;
  }
}