/* Base layout */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  margin: 40px;
  background: #f8f9fa;
  color: #212529;
}

/* Headings */
h1 {
  margin-bottom: 10px;
}

h2, h3 {
  margin-top: 30px;
}

.page {
  max-width: 900px;
  padding: 20px;
}

.chart-container {
  width: 700px;
  height: 500px;
  margin: 20px 0;
  position: relative;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}





canvas {
  max-width: 100%;
  max-height: 100%;
}


/* Search controls */
input[type="date"] {
  padding: 6px;
  font-size: 14px;
}

button {
  padding: 6px 12px;
  margin-left: 6px;
  font-size: 14px;
  cursor: pointer;
}

/* Output blocks */
pre {
  background: #ffffff;
  border: 1px solid #dee2e6;
  padding: 12px;
  max-height: 300px;
  overflow: auto;
  font-size: 13px;
}