body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0px auto;
    text-align: center;
    
}

.main {
    display: flex;
    flex-direction: column;
    margin: 2px auto;
    padding: 20px;
    align-items: center;
}

.calc {
    text-align: center;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: #f9faf8;
    border-radius: 30px;
    box-shadow: 4px 4px 12px rgb(0.1, 0.1, 0.1);
}
/*
.sidebar {
    text-align: center;
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: #f9faf8;
    border-radius: 10px;
    box-shadow: 4px 4px 12px rgb(0.1, 0.1, 0.1);
}
*/
h2 {
    color: #b1caa1;
    margin-top: 0;
    margin-bottom: 0px;
    width: 100%;
    background: #000000;
    padding: 15px auto;
}

p {
    color: #555;
    margin: 0 auto 35px auto;
    font-size: medium;
}

label {
    text-align: start;
    margin: 15px 0 5px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1em;
}

input {
    width: 100%;
    border: 2px solid #dce4ec;
    border-radius: 6px;
    padding: 8px;
    box-sizing: border-box;
    transition: border 0.2s;
    font-size: 1em;
}

input:focus {
    border-color: darkcyan;
    outline: 0;
}

button {
    display: block;
    width: 100%;
    padding: 12px;
    margin: 25px 0 20px;
    background: #062d3b;
    color: white;
    border: none;
    font-weight: bold;
    font-size: 1.2em;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #034f0c;
    font-size: 1.3em;
}

.result-box {
    padding: 20px;
    border-radius: 8px;
    border-top: 5px solid #3498db;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.result-line {
    font-size: 1.2em;
    margin: 10px 0;
    word-wrap: break-word;
    justify-content: flex-start;
}

.error {
    color: #e74c3c;
    font-weight: bold;
}

.demo-disclaimer-compact {
  margin-top: 15px;
  padding: 8px;
  font-size: 0.8rem;
  color: #888;
  background-color: #f9f9f9;
  border-radius: 4px;
  border-left: 3px solid #ffaa00;
}