/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

/* Main container */
h1 {
  text-align: center;
  color: white;
  font-size: 2.5rem;
  margin-bottom: 30px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-weight: 300;
  letter-spacing: 2px;
}

/* Content wrapper */
body {
  text-align: center;
  padding: 20px;
}

/* Textarea container - side by side layout */
#dict, #colmap {
  display: inline-block;
  vertical-align: top;
  margin: 0 10px;
}

/* Textarea styles */
textarea {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 20px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.5;
  resize: vertical;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  width: 700px;
  height: 400px;
}

textarea:focus {
  outline: none;
  border-color: #4CAF50;
  box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
  transform: translateY(-2px);
}

textarea::placeholder {
  color: #888;
  font-style: italic;
}

/* Button styles */
button {
  background: linear-gradient(45deg, #4CAF50, #45a049);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
  margin-top: 10px;
}

button:hover {
  background: linear-gradient(45deg, #45a049, #4CAF50);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

button:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(76, 175, 80, 0.3);
}

/* Responsive design */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  h1 {
    font-size: 2rem;
    margin-bottom: 20px;
  }
  
  textarea {
    display: block;
    margin: 10px auto;
    width: 90%;
    max-width: 400px;
  }
  
  button {
    width: 90%;
    max-width: 300px;
  }
}

/* Center the button */
button {
  display: block;
  margin: 0 auto;
}

/* Loading animation for button */
button.loading {
  background: linear-gradient(45deg, #ccc, #999);
  cursor: not-allowed;
  position: relative;
  overflow: hidden;
}

button.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}