body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111;
  color: #eee;
}

main {
  max-width: 1120px;
  margin: 24px auto;
  padding: 0 16px;
}

#hud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 12px 0;
}

#policyDescription {
  margin: 6px 0 12px;
  padding: 10px 12px;
  border: 1px solid #333;
  border-radius: 8px;
  background: #151821;
  color: #cfd6e6;
  font-size: 0.92rem;
  line-height: 1.35;
}

#policyDescription strong {
  color: #fff;
}

#policyDescription code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

label {
  font-size: 0.9rem;
}

select {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #20242b;
  color: #eee;
}

button {
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#debugControls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

#epsilonSlider {
  vertical-align: middle;
  width: 140px;
}

canvas {
  border: 1px solid #444;
  background: #20242b;
  flex: 0 0 auto;
}

#gameLayout {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
}

#debugPanel {
  margin-top: 0;
  padding: 12px 16px;
  border: 1px solid #444;
  border-radius: 8px;
  background: #181b22;
  font-size: 0.9rem;
  flex: 1 1 320px;
  min-width: 280px;
  max-width: 520px;
}

#debugPanel h2,
#debugPanel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

#debugPanel h3 {
  margin-top: 16px;
}

#debugFields {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 12px;
  margin: 0;
}

#debugFields dt {
  color: #9aa3b2;
}

#debugFields dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
}

#debugStats {
  margin: 0;
  padding-left: 20px;
}

#decisionLog {
  margin: 0;
  padding-left: 20px;
  max-height: 180px;
  overflow-y: auto;
}

#decisionLog li {
  margin-bottom: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
}

.mode-exploit {
  color: #6ecf8f;
}

.mode-explore {
  color: #f4c542;
}

@media (max-width: 980px) {
  #gameLayout {
    flex-direction: column;
  }

  #debugPanel {
    max-width: none;
    width: 100%;
  }
}