body {
  font-family: Arial, sans-serif;
  background: #f0f4f7;
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: #fff;
  padding: 25px 40px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  width: 500px;
  max-width: 95%;
}

h1 {
  font-size: 22px;
  text-align: center;
  margin-bottom: 20px;
}

label {
  display: block;
  margin-top: 10px;
}

input[type=number] {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  margin-top: 20px;
  width: 100%;
  padding: 10px;
  background: #0077cc;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #005fa3;
}

.result {
  margin-top: 20px;
  text-align: center;
}

table {
  margin: 0 auto;
  border-collapse: collapse;
  width: 100%;
}

th, td {
  padding: 6px 8px;
  text-align: center;
  border-bottom: 1px solid #ccc;
}

th {
  background: #f5f5f5;
}

.disclaimer {
  margin-top: 15px;
  font-size: 13px;
  color: #666;
  text-align: center;
}

.red { color: #d9534f; font-weight: bold; }
.orange { color: #f0ad4e; font-weight: bold; }
.yellow { color: #f7e463; font-weight: bold; }
.green { color: #5cb85c; font-weight: bold; }