.exam-header{
    background:#111827;
    color:#fff;
    padding:12px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-radius:8px;
    margin-bottom:15px;
}

.timer{
    font-weight:bold;
    color:#22c55e;
}

.pdf-container{
    width:100%;
    height:60vh;
    border-radius:10px;
    overflow:hidden;
    border:1px solid #ddd;
    margin-bottom:20px;
}

.submit-btn{
    width:100%;
    max-width:300px;
}

/* Only if exam.ejs uses these */

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

.question-card{
    background:#fff;
    padding:15px;
    border-radius:10px;
    margin-bottom:15px;
    box-shadow:0 3px 10px rgba(0,0,0,.05);
}