body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f8fafc;
  min-height: 100vh;
}

/* Responsive container: fluid by default, capped at 650px on lg+ screens */
.container {
  width: 100%;
  max-width: 100%;
  margin-top: 40px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 992px) {
  .container {
    max-width: 650px;
  }
}

/* Heading and Badge */
h1 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 2rem;
}
h1 .badge {
  font-size: 1rem;
  vertical-align: middle;
}

/* Map Canvas */
#map-canvas {
  display: block;
  margin: 0 auto 1.5rem auto;
  width: 100%;
  max-width: 500px;
  height: 300px;
  border: 2px solid #0d6efd;
  background: #e9ecef;
  border-radius: 0.5rem;
  box-sizing: border-box;
}

/* Stats Canvas */
#stats-canvas {
  display: block;
  margin: 0 auto 1rem auto;
  width: 100%;
  max-width: 500px;
  height: 140px;
  border: 1px solid #ced4da;
  background: #f8f9fa;
  border-radius: 0.5rem;
  box-sizing: border-box;
}

/* Reward Log */
#reward-log {
  height: 200px;
  overflow-y: auto;
  background: #f9f9f9;
  border: 1px solid #dee2e6;
  font-family: monospace;
  font-size: 0.97rem;
  color: #212529;
  padding: 0.5rem 0.75rem;
  white-space: pre-wrap;
  margin-bottom: 2rem;
  border-radius: 0.3rem;
  max-width: 100%;
  box-sizing: border-box;
}

/* Responsive Buttons Row */
.mb-3 {
  text-align: center;
}

/* Responsive Canvas */
canvas {
  max-width: 100%;
  height: auto;
}

/* For consistent h5 spacing */
h5 {
  margin-top: 2rem;
  margin-bottom: 0.7rem;
  font-weight: 600;
  text-align: center;
  color: #495057;
}