/* style.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: #333;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  padding: 30px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  font-size: 1.8rem;
  color: #2575fc;
  margin-bottom: 8px;
}

header p {
  color: #666;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #444;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  transition: border 0.3s;
}

.form-group input:focus {
  border-color: #2575fc;
  outline: none;
}

button {
  width: 100%;
  padding: 14px;
  background: #2575fc;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #1a68e8;
}

.loading, .result, .error {
  margin-top: 25px;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

.loading {
  background: #f0f8ff;
}

.spinner {
  border: 4px solid rgba(0,0,0,0.1);
  border-top: 4px solid #2575fc;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.result {
  background: #e8f4ff;
  text-align: left;
}

.result h3 {
  margin-bottom: 12px;
  color: #2575fc;
}

.result ul {
  padding-left: 20px;
}

.result li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.error {
  background: #ffe8e8;
  color: #d32f2f;
  display: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  .container {
    padding: 20px;
  }
  header h1 {
    font-size: 1.5rem;
  }
}