/* Mobile-first viewport setup */
meta[name="viewport"] {
  content: width=device-width, initial-scale=1.0;
}

/* Base styles */
body {
  font-family: sans-serif;
  margin: 20px;
  background-color: #f4f4f4;
}

.container {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  max-width: 100%; /* Changed from 600px for better mobile fit */
  margin: 0 auto;
}

/* Responsive iframe container */
.iframe-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  margin: 20px 0;
}

.iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .container {
    margin: 10px;
    padding: 15px;
  }
  
  .iframe-container {
    padding-top: 75%; /* Taller aspect ratio for mobile */
  }
}

/* Existing styles preserved below */
h1, h2 {
  color: #333;
  text-align: center;
}

.tab-container {
  display: flex;
  margin-bottom: 20px;
  justify-content: center;
}

.tab {
  padding: 10px 15px;
  background-color: #e0e0e0;
  cursor: pointer;
  border: 1px solid #ccc;
  border-radius: 5px 5px 0 0;
  margin-right: 5px;
}

.tab.active {
  background-color: #ddd;
  border-bottom: none;
}

.tab-content {
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 0 0 5px 5px;
  display: none;
}

.input-group {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

.input-group label {
  margin-bottom: 5px;
  color: #555;
}

.input-group input[type="number"] {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.results {
  margin-top: 20px;
  text-align: center;
}