.quiz-container{
    width:100%;
    display:flex;
    justify-content:center;
    padding:10px;
}

.quiz-card{
    width:100%;
    max-width:700px;
    background:white;
    border-radius:15px;
    padding:20px;
    box-shadow:0 10px 30px rgba(0,0,0,0.1);
}

.quiz-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:20px;
}

.quiz-top h1{
    font-size:24px;
    color:#4f46e5;
}

.score-box{
    background:#4f46e5;
    color:white;
    padding:8px 14px;
    border-radius:15px;
    font-weight:bold;
}

.question-number{
    margin:8px 0; 
    font-size:16px;
    font-weight:700;
    color:#666;
}

.question-box{
    background:#f3f4f6;
    padding:15px;
    border-radius:20px;
    font-size:16px;
    font-weight:700;
    margin-bottom:25px;
}

.options-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:15px;
}

.option-btn{
    border:none;
    padding:14px;
    border-radius:18px;
    background:#eef2ff;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:0.3s;
}

.option-btn:hover{
    transform:translateY(-2px);
}

.correct{
    background:#22c55e !important;
    color:white;
}

.wrong{
    background:#ef4444 !important;
    color:white;
}

.result-text{
    margin-top:20px;
    font-size:20px;
    font-weight:700;
    text-align:center;
}

.next-btn,
.restart-btn{
    margin-top:25px;
    border:none;
    background:#4f46e5;
    color:white;
    padding:14px 28px;
    border-radius:15px;
    font-size:16px;
    font-weight:700;
    cursor:pointer;
}

.next-btn{
    display:none;
}

.final-box{
    display:none;
    text-align:center;
}

.final-box h2{
    font-size:34px;
    margin-bottom:15px;
    color:#4f46e5;
}

.final-box p{
    font-size:26px;
    font-weight:700;
}

.countdown-box{
    margin-top: 15px;
    font-size: 15px;
    font-weight: 700;
    color: #ff9800;
}