* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  line-height: 1.6;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 40px 30px;
  text-align: center;
}

.header h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.header p {
  opacity: 0.9;
  font-size: 16px;
}

.form-section {
  padding: 30px;
  border-bottom: 1px solid #eee;
}

.form-section h2 {
  font-size: 20px;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #667eea;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 6px;
  font-size: 15px;
  transition: border 0.3s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #667eea;
}

.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-group label {
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 8px;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

input[type="file"] {
  border: 2px dashed #667eea;
  padding: 20px;
  cursor: pointer;
}

small {
  display: block;
  color: #666;
  margin-top: 5px;
  font-size: 13px;
}

.photo-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 15px;
}

.photo-preview img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  border: 2px solid #ddd;
}

.form-actions {
  padding: 30px;
  text-align: center;
}

button[type="submit"] {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 16px 50px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.loader {
  border: 3px solid rgba(255,255,255,0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

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

.success-message {
  padding: 40px;
  text-align: center;
}

.success-message h3 {
  color: #28a745;
  font-size: 24px;
  margin-bottom: 10px;
}

@media (max-width: 600px) {
  .checkbox-group {
    grid-template-columns: 1fr;
  }
}