body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
}
h1, h2, h3 {
    text-align: center;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid #333;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #1e1e1e;
}
tr:nth-child(even) {
    background-color: #1c1c1c;
}
tr:nth-child(odd) {
    background-color: #282828;
}
button {
    background-color: #333;
    color: #e0e0e0;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    margin-right: 10px;
}
button:hover {
    background-color: #555;
}
.text-box {
    width: 100%;
    padding: 10px;
    margin: 20px 0;
    background-color: #1e1e1e;
    border: 1px solid #333;
    color: #e0e0e0;
    font-size: 26px;
}
.fields {
    display: flex;
    gap: 20px;
    margin: 20px 0; 
}
.field {
    flex: 1;   
}
.field label {
    display: block;
    margin-bottom: 5px;
}
.field input {
    width: 100%;
    padding: 10px;
    background-color: #1e1e1e;
    border: 1px solid #333;
    color: #e0e0e0;
    font-size: 26px;
}
.id-input {
    width: 3ch;
    padding: 10px;
    background-color: #1e1e1e;
    border: 1px solid #333;
    color: #e0e0e0;
    font-size: 16px;
    margin-right: 10px;
}
.hidden-table, .dynamic-table {
    display: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #2e2e3e;
    box-shadow: 0 0 10px #444;
}
th, td {
    border: 1px solid #555;
    padding: 12px;
    text-align: left;
}
th {
    background-color: #3e3e5e;
    color: #ffcc00;
}
tr:nth-child(even) {
    background-color: #3a3a4f;
}
caption {
    caption-side: top;
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #ffcc00;
}