* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f4f5f7;
    padding: 30px;
}

.container {
    max-width: 900px;
    margin: auto;
}

h2 {
    text-align: center;
    margin-bottom: 25px;
}

.card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    outline: none;
    margin-bottom: 15px;
    font-size: 14px;
}

textarea {
    resize: none;
}

button {
    padding: 10px 18px;
    border: none;
    background: #1976d2;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 10px;
}

button:hover {
    background: #125aa0;
}

#chatBox {
    height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 15px;
    background: #fafafa;
}

#eventBox {
    height: 200px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 15px;
    background: #000;
    color: #00ff66;
    font-size: 13px;
}

.message {
    padding: 8px 12px;
    margin-bottom: 10px;
    border-radius: 6px;
    background: #e3f2fd;
}

.self {
    background: #d1ffd6;
    text-align: right;
}

.event {
    margin-bottom: 6px;
}