/* Global 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;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  max-width: 1200px;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 30px 20px;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.row {
  display: flex;
  flex-wrap: wrap;
  padding: 30px;
}

.col-md-6 {
  flex: 1;
  min-width: 300px;
  padding: 20px;
}

.col-md-6:first-child {
  border-right: 1px solid #eee;
}

@media (max-width: 768px) {
  .col-md-6:first-child {
    border-right: none;
    border-bottom: 1px solid #eee;
  }
}

h3 {
  color: #333;
  margin-bottom: 20px;
  font-size: 1.5rem;
  position: relative;
  padding-bottom: 10px;
}

h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 3px;
}

/* Input Styles */
input[type="text"] {
  width: 100%;
  height: 50px;
  padding: 0 20px;
  font-size: 1rem;
  border: 2px solid #e1e5ee;
  border-radius: 10px;
  transition: all 0.3s ease;
  margin-bottom: 20px;
  outline: none;
}

input[type="text"]:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Select Styles */
select {
  width: 100%;
  height: 50px;
  padding: 0 20px;
  font-size: 1rem;
  border: 2px solid #e1e5ee;
  border-radius: 10px;
  background-color: white;
  margin-bottom: 20px;
  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Button Styles */
button {
  width: 100%;
  height: 50px;
  padding: 0 20px;
  font-size: 1.1rem;
  font-weight: 600;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Textarea Styles */
textarea {
  width: 100%;
  min-height: 300px;
  padding: 20px;
  font-size: 1rem;
  border: 2px solid #e1e5ee;
  border-radius: 10px;
  resize: vertical;
  transition: all 0.3s ease;
  outline: none;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

textarea:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
  margin-right: 10px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Response Container */
.response-container {
  background-color: #f8f9fa;
  border-radius: 10px;
  padding: 20px;
  margin-top: 20px;
  border-left: 4px solid #667eea;
}