:root {
  --panel: #1a2332;
  --border: #2d3a4d;
  --text: #e6edf3;
  --muted: #000000;
  --accent: #ff6f00;
  --goal: #005110;
  --wall: #484f58;
  --forklift: #f0883e;
  --path: rgba(88, 166, 255, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  background: #ffffb5;
  color: var(--panel);
  min-height: 100vh;
  line-height: 1.45;
}

.container {
  border: 4px solid var(--border);
  background-color: white;
  padding : 1rem;
  max-width: 1700px;
  margin: 1rem auto;
  border-radius: 1rem;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}

.log-container {
  margin-top: 14px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 4px solid var(--border);
  background-color: white;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}

.log-container .sub-title {
  margin: 0 0 10px;
}

.episode-log {
  min-height: 100px;
  max-height: min(40vh, 360px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 0.72rem;
  line-height: 1.4;
  color: #00FF00;
  margin-top: 0;
  padding: 10px 12px;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.episode-log::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.episode-log::-webkit-scrollbar-thumb {
  background: #c4c4c4;
  border-radius: 6px;
}

.episode-log::-webkit-scrollbar-track {
  background: #e9e9e9;
  border-radius: 6px;
}

.header-title {
  font-size: 4rem;
  font-weight: bold;
  color: var(--panel);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto 1fr;
  gap: 16px;
  padding: 16px;
  max-width: 1700px;
  margin: 0 auto;
}

header {
  grid-column: 1 / -1;
  border-bottom: 4px solid var(--border);
  padding-bottom: 12px;
}

header h1 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 600;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.toolbar label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
  color: var(--muted);
}

select,
button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}

button:hover {
  border-color: var(--accent);
  background: #212d3f;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary {
  background: #1f6feb;
  border-color: #388bfd;
}

button.primary:hover:not(:disabled) {
  background: #a6c9ff;
}

.main-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.algo-desc {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 1rem;
  color: var(--text);
}

.algo-desc strong {
  color: var(--text);
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 1.5rem;
  color: white;
}

.metrics span {
  color: var(--muted);
}

.metrics .value {
  color: var(--goal);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.canvas-row {
  width: 100%;
}

/* World grid + node graph always side by side */
.canvas-pair {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 16px;
  align-items: flex-start;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
}

.canvas-wrap {
  background: var(--text);
  border: 4px solid var(--border);
  border-radius: 1rem;
  padding: 12px;
  flex: 0 0 auto;
}

.canvas-wrap--world,
.canvas-wrap--graph {
  min-width: 0;
}

.canvas-wrap--qviz {
  min-width: 0;
}

.sub-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--panel);
}



.canvas-wrap h3 {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

canvas {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border-radius: 4px;
  background: #0d1117;
}

.manual {
  grid-row: 2;
  grid-column: 2;
  position: sticky;
  top: 16px;
  align-self: start;
  background: white;
  border: 4px solid var(--border);
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 14px;
  font-size: 1rem;
}

.manual h2 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text);
}

.manual ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.manual li {
  margin-bottom: 8px;
}

.manual kbd {
  background: var(--text);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .manual {
    grid-column: 1;
    position: static;
  }
}