* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

.contenedor {
  width: min(1100px, 94%);
  margin: 0 auto;
  padding: 20px 0 40px 0;
}

h1 {
  margin-top: 0;
}

.panel-botones {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
}

button {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 1rem;
  cursor: pointer;
  background: #2563eb;
  color: white;
}

button:hover {
  opacity: 0.92;
}

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

.panel-info,
.panel-log {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.panel-video {
  margin-bottom: 16px;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: 14px;
  overflow: hidden;
  background: black;
  min-height: 280px;
}

#video,
#canvas {
  width: 100%;
  display: block;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
}

#log {
  max-height: 240px;
  overflow: auto;
  padding: 10px;
  background: #0b1220;
  border-radius: 10px;
  border: 1px solid #1f2937;
  font-family: Consolas, monospace;
  font-size: 0.92rem;
  line-height: 1.45;
}

.log-linea {
  margin-bottom: 6px;
  word-break: break-word;
}

@media (max-width: 768px) {
  .contenedor {
    width: 95%;
  }

  button {
    width: 100%;
  }
}