/* Önceki CSS kodları aynen kalacak */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background: #f0f0f0;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 30px;
  font-size: 2.2em;
}

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

label {
  display: block;
  margin-bottom: 8px;
  color: #34495e;
  font-weight: 500;
}

input {
  width: 100%;
  padding: 12px;
  border: 2px solid #bdc3c7;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

input:focus {
  outline: none;
  border-color: #3498db;
}

button {
  background: #3498db;
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
  width: 100%;
}

button:hover {
  background: #2980b9;
}

.results {
  margin-top: 30px;
  display: none;
}

.results.active {
  display: block;
}

.result-card {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.result-card h3 {
  color: #3498db;
  margin-bottom: 15px;
  font-size: 1.4em;
}

.result-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 10px;
  background: white;
  border-radius: 8px;
}

.stone-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.stone-item {
  background: #3498db;
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9em;
}

.error {
  color: #e74c3c;
  margin-bottom: 15px;
  text-align: center;
  display: none;
}

@media (max-width: 480px) {
  .container {
    padding: 20px;
  }

  h1 {
    font-size: 1.8em;
  }
}