body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  background: var(--bg);
}
h1 {
  color: #333;
}
.data,
.model {
  margin: 10px 0;
  font-size: 1.2em;
}
.on {
  color: green;
  font-weight: bold;
}
.off {
  color: red;
  font-weight: bold;
}
#logs-container {
  margin-top: 20px;
}
#logs-header {
  cursor: pointer;
  background-color: #f0f0f0;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 0.8rem;
}
#logs-content {
  padding: 10px;
  border: 1px solid #ccc;
  border-top: none;
  border-radius: 0 0 5px 5px;
  background-color: #fafafa;
  max-height: 200px;
  overflow-y: auto;
}
#logs {
  font-family: monospace;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.8em;
}

.explain {
  font-size: 0.7rem;
  color: #678ee2;
  margin-top: 5px;
}

/* Nuevo: variables, layout, botones, grid y spinner */
:root {
  --fg: #222;
  --muted: #666;
  --primary: #0069d9;
  --primary-hover: #0053ad;
  --border: #ddd;
  --card: #fff;
  --bg: #f8f9fa;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}
.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 6px 18px rgba(0, 0, 0, 0.04);
}
.section h3,
.section h4 {
  margin: 6px 0 8px;
}
.btn {
  appearance: none;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 160ms ease, box-shadow 160ms ease, transform 80ms ease;
}
.btn:hover {
  background: var(--primary-hover);
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 105, 217, 0.35);
}
.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: rgba(0, 105, 217, 0.06);
}
.btn-toggle {
  background: #f0f0f0;
  color: var(--fg);
  border-color: #ccc;
}
.file-name {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  align-items: start;
  margin-top: 12px;
}
img#image,
canvas#display,
canvas.pixel-canvas {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
canvas.pixel-canvas {
  image-rendering: pixelated;
}
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px 16px;
  margin: 12px 0;
}
.control label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.control input[type="number"],
.control input[type="range"],
.control select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}
.control.toggle label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}
.control.actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.uploader {
  margin-top: 8px;
}
.media-item h4 {
  margin: 0 0 6px;
  font-weight: 600;
}
.is-busy::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-top-color: transparent;
  border-radius: 50%;
  margin-left: 8px;
  animation: spin 0.8s linear infinite;
}
.spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #fff;
  border-right-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-left: 8px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}