body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: #fff;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 600px;
}

h1 {
    text-align: center;
    color: #a02121;
}

.participant-entry {
    border: 1px solid #ccc;
    padding: 1em;
    margin-bottom: 1em;
    border-radius: 5px;
}

input[type="text"] {
    width: 100%;
    padding: 0.5em;
    margin-top: 0.5em;
    box-sizing: border-box;
}

button {
    background-color: #28a745;
    color: white;
    padding: 0.75em 1.5em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    margin-top: 1em;
}

button:hover {
    background-color: #218838;
}