*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:Arial, sans-serif;
    min-height:100vh;
    background:linear-gradient(135deg,#6dd5fa,#2980b9);
    display:flex;
    justify-content:center;
    align-items:center;
    overflow:hidden;
}

.game-container{
    width:95%;
    max-width:900px;
    background:white;
    border-radius:30px;
    padding:30px;
    box-shadow:0 15px 40px rgba(0,0,0,0.2);
    text-align:center;
    position:relative;
}

.top-bar{
    display:flex;
    justify-content:space-between;
    margin-bottom:20px;
    gap:10px;
}

.score-box,
.question-box{
    background:#ffde59;
    padding:12px 20px;
    border-radius:20px;
    font-weight:bold;
    font-size:20px;
}

.mascot{
    font-size:80px;
    animation:bounce 2s infinite;
}

.title{
    margin-top:10px;
    margin-bottom:25px;
    color:#333;
    font-size:38px;
}

.card{
    background:#f7f7f7;
    padding:30px;
    border-radius:25px;
}

.instruction{
    font-size:28px;
    margin-bottom:20px;
    color:#444;
}

.code-box{
    background:#222;
    color:#00ff88;
    padding:20px;
    border-radius:15px;
    font-size:35px;
    margin-bottom:30px;
    font-family:monospace;
}

.answers{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;
}

.answer-btn{
    border:none;
    padding:20px;
    border-radius:20px;
    font-size:28px;
    cursor:pointer;
    transition:0.25s;
    font-weight:bold;
    color:white;
}

.answer-btn:hover{
    transform:scale(1.05);
}

.answer-btn:nth-child(1){
    background:#ff7675;
}

.answer-btn:nth-child(2){
    background:#74b9ff;
}

.answer-btn:nth-child(3){
    background:#55efc4;
    color:#222;
}

.answer-btn:nth-child(4){
    background:#fdcb6e;
    color:#222;
}

.feedback{
    margin-top:25px;
    min-height:60px;
    font-size:40px;
    font-weight:bold;
}

.good{
    color:#27ae60;
    animation:pop 0.4s;
}

.bad{
    color:#e74c3c;
    animation:shake 0.4s;
}

.hidden{
    display:none;
}

.restart-btn{
    margin-top:30px;
    border:none;
    background:#6c5ce7;
    color:white;
    padding:18px 40px;
    border-radius:20px;
    font-size:28px;
    cursor:pointer;
    transition:0.2s;
}

.restart-btn:hover{
    transform:scale(1.08);
}

.confetti{
    position:absolute;
    width:12px;
    height:12px;
    border-radius:50%;
    animation:fall linear forwards;
}

@keyframes bounce{
    0%,100%{
        transform:translateY(0);
    }
    50%{
        transform:translateY(-10px);
    }
}

@keyframes pop{
    0%{
        transform:scale(0.5);
    }
    100%{
        transform:scale(1);
    }
}

@keyframes shake{
    0%{ transform:translateX(0); }
    25%{ transform:translateX(-10px); }
    50%{ transform:translateX(10px); }
    75%{ transform:translateX(-10px); }
    100%{ transform:translateX(0); }
}

@keyframes fall{
    to{
        transform:translateY(100vh) rotate(720deg);
        opacity:0;
    }
}

@media(max-width:700px){

    .answers{
        grid-template-columns:1fr;
    }

    .title{
        font-size:28px;
    }

    .instruction{
        font-size:22px;
    }

    .answer-btn{
        font-size:24px;
    }
}