* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f4f6f9;
  color: #333;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
}

.card {
  background: #ffffff;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease-in-out;
}

.card:hover {
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
}

.OnlineGuidTool-heading {
  margin-top: 0;
  font-size: 26px;
  color: #1f2937;
  padding: 21px 10px 20px;
  text-align: center;
}

.subtitle {
  margin-bottom: 20px;
  color: #555;
  font-size: 14px;
}

.form-section,
.option-section {
  margin-bottom: 20px;
}

input[type="number"] {
  padding: 8px 10px;
  font-size: 16px;
  width: 100px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.option-section label {
  display: inline-block;
  margin-right: 12px;
  font-size: 14px;
  color: #444;
}

.option-section h3 {
  margin-bottom: 8px;
  font-size: 15px;
  color: #111;
}

textarea {
  width: 100%;
  margin-top: 20px;
  padding: 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  resize: vertical;
  font-family: monospace;
  min-height: 200px;
}

.button-group button {
  background: #1b4d91;
  color: white;
  border: none;
  padding: 10px 16px;
  margin-right: 10px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

.button-group button:hover {
  background: #1559c3;
}

.fortune {
  background: #d1fae5;
  margin-top: 25px;
  padding: 15px;
  border-left: 6px solid #10b981;
  border-radius: 8px;
  font-style: italic;
  color: #065f46;
}

.copy-message {
  display: none;
  margin-top: 10px;
  background-color: #d1fae5;
  color: #065f46;
  padding: 8px 12px;
  border-left: 4px solid #10b981;
  border-radius: 5px;
  font-weight: 500;
  font-size: 14px;
  width: fit-content;
  transition: opacity 0.3s;
}