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

/* Body setup */
body {
    background: #f5f7fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

/* Timer */
#timer {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding: 10px 20px;
    background: #e3e3e3;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Quiz container */
#quiz {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    width: 350px;
    text-align: center;
}

/* Question */
#que {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #222;
}

/* Options */
#options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.options-btn {
    padding: 12px;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    background: #f0f0f0;
    cursor: pointer;
    transition: 0.3s ease;
}

.options-btn:hover {
    background: #ddd;
}

/* Correct/Wrong feedback */
.correct {
    background: #4CAF50 !important;   /* green */
    color: white;
}

.wrong {
    background: #F44336 !important;   /* red */
    color: white;
}

/* Score screen */
#score {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    width: 300px;
    text-align: center;
}

#scoredisply {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

/* Retry button */
#retry {
    padding: 10px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    background: #2196F3;
    color: white;
    cursor: pointer;
    transition: 0.3s ease;
}

#retry:hover {
    background: #0b7dda;
}