body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f7fa;
    color: #333;
}

h1 {
    margin-bottom: 1rem;
}

section {
    background: #fff;
    border-radius: 6px;
    padding: 15px 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

h2 {
    margin-top: 0;
    font-size: 1.2rem;
}

label {
    display: block;
    margin-bottom: 8px;
}

input[type="text"],
input[type="number"] {
    width: 280px;
    padding: 5px 8px;
    margin-left: 5px;
    box-sizing: border-box;
}

button {
    margin-top: 10px;
    padding: 6px 12px;
    border: 1px solid #0078d4;
    background-color: #0078d4;
    color: #fff;
    border-radius: 3px;
    cursor: pointer;
}

    button:hover {
        background-color: #005a9e;
    }

.result {
    margin-top: 10px;
    white-space: pre-wrap;
    font-family: Consolas, monospace;
    font-size: 0.9rem;
    padding: 8px;
    border-radius: 4px;
    background: #f0f0f0;
}

    .result.error {
        background: #ffe6e6;
        border: 1px solid #ff4d4d;
    }

#boatsTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

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

    #boatsTable th {
        background-color: #f2f2f2;
    }