body { font-family: 'Segoe UI', sans-serif; background: #f0f2f5; margin: 0; padding: 20px; }
header { background: #2c3e50; color: white; padding: 10px; text-align: center; border-radius: 8px; }
nav ul { list-style: none; padding: 0; }
nav ul li { display: inline; margin: 0 15px; }
nav a { color: #ecf0f1; text-decoration: none; font-weight: bold; }
section { background: white; margin: 20px auto; padding: 20px; max-width: 800px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
input { padding: 8px; border: 1px solid #ddd; border-radius: 4px; }
button { padding: 10px 15px; background: #27ae60; color: white; border: none; border-radius: 4px; cursor: pointer; margin: 5px; }
button:hover { background: #2ecc71; }
.resultado { margin-top: 15px; padding: 10px; background: #e8f6f3; border-left: 5px solid #27ae60; font-weight: bold; }
.img-adaptable { width: 100%; height: auto; border-radius: 8px; margin-top: 10px; }
.complejos-container { display: flex; gap: 20px; background: #eee; padding: 10px; border-radius: 5px; }
canvas { background: #fff; border: 1px solid #ccc; width: 100%; }