#ent-test-container {
    max-width: 600px;
    margin: 40px auto;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    font-family: sans-serif;
}
.ent-intro-box h2 { text-align: center; color: #2c3e50; }
#ent-user-name-input {
    width: 100%;
    padding: 12px;
    margin: 20px 0;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.ent-btn-primary {
    width: 100%;
    padding: 15px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
}
.ent-btn-primary:hover { background: #2980b9; }

#ent-progress-bar-container {
    width: 100%;
    height: 10px;
    background: #eee;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}
#ent-progress-bar {
    height: 100%;
    width: 0%;
    background: #27ae60;
    transition: width 0.3s;
}
#ent-progress-text { text-align: right; font-size: 12px; color: #777; margin-bottom: 20px; }

.ent-opt-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin-bottom: 10px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    text-align: left;
    cursor: pointer;
    font-size: 16px;
    transition: 0.2s;
}
.ent-opt-btn:hover { background: #f0f8ff; border-color: #3498db; }