body { font-family: Arial, sans-serif; margin: 20px; background: #f8fdf8; }
h1, h2 { color: #2d6a4f; }
.section { margin-bottom: 40px; padding: 15px; border: 2px solid #e0ece4; border-radius: 8px; background: #ffffff; }
label { display: block; margin-bottom: 8px; }
input, select { width: 95%; padding: 6px; margin-left: 4px; }
button { margin-top: 10px; padding: 8px; background: #2d6a4f; color: white; border: none; cursor: pointer; border-radius: 6px; }
button:hover { background: #40916c; }
table { border-collapse: collapse; width: 100%; margin-top: 10px; }
th, td { border: 1px solid #ccc; padding: 6px; text-align: center; }
th { background: #e9f5ec; }
canvas { margin-top: 20px; background: #fff; border: 1px solid #ddd; border-radius: 8px; }