body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #f0f2f5;
  color: #1a1a1a;
  margin: 0;
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

h1 {
  color: #2c3e50;
  margin-bottom: 2rem;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.strategy-select {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

select {
  padding: 0.5rem;
  border: 2px solid #3498db;
  border-radius: 0.5rem;
  font-size: 1rem;
}

.param-sliders {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

input[type="range"] {
  flex-grow: 1;
  accent-color: #3498db;
}

.chart-container {
  height: 500px;
  margin-bottom: 2rem;
  position: relative;
}

.model-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 0.75rem;
}

.equation {
  font-family: monospace;
  color: #2c3e50;
}

.params {
  color: #7f8c8d;
}

.params span {
  color: #3498db;
  font-weight: bold;
}