body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #6dd5ed, #2193b0); /* Light blue gradient */
  color: #333;
  margin: 0;
  padding: 0;
}

/* Calculator Card */
.container {
  background: #14532d; /* Dark green */
  color: #fff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  max-width: 500px;
  margin: 40px auto;
}

h1 {
  margin-bottom: 10px;
  color: #fff;
}

input[type="date"] {
  padding: 10px;
  border: none;
  border-radius: 8px;
  margin: 10px 0;
  width: 100%;
  max-width: 250px;
}

button {
  padding: 10px 20px;
  border: none;
  background: #ff9800;
  color: #fff;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #e68900;
}

#result {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.5;
  color: #fefefe;
}

/* SEO Content Section */
.content {
  background: #ffffff;
  margin: 30px auto;
  padding: 30px;
  border-radius: 12px;
  max-width: 900px;
  box-shadow: 0px 4px 15px rgba(0,0,0,0.1);
  text-align: left;
  line-height: 1.7;
}

.content h2 {
  color: #2193b0;
  margin-top: 25px;
}

.content ul {
  margin-left: 20px;
}

/* AdSense Banners */
.adsense-top, .adsense-bottom {
  max-width: 970px;
  margin: 20px auto;
  padding: 20px;
  background: #eaeaea;
  border: 2px dashed #bbb;
  text-align: center;
  font-size: 14px;
  color: #666;
}