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

body {
    font-family: Arial, sans-serif;
    padding: 40px;
    background: #A2D5C6;
}

.container {
    max-width: 550px;
    margin: 0 auto;
    background: #cae7df;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header {
    text-align: center;
    color: #2E8B57;
    margin-bottom: 20px;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}

.inputs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

#selectDate {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    cursor: pointer;
}

.calculate {
    background: #2E8B57;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

#result {
    margin-top: 20px;
    padding: 15px;
    background: #FAF7F3;
    border-radius: 8px;
    font-size: 18px;
    color: #333;
}

strong {
  color: #ED3500;
  font-weight: bold;
}