* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    font-family: Arial, sans-serif;

    background: linear-gradient(135deg, #071952, #088395);

    display: flex;
    justify-content: center;
    align-items: center;

    padding: 20px;
}

.game {
    width: 100%;
    max-width: 500px;

    background: white;

    border-radius: 20px;

    padding: 25px;

    text-align: center;

    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

h1 {
    color: #071952;
}

h2 {
    color: #222;
}

button {
    width: 100%;

    padding: 14px;

    margin-top: 15px;

    border: none;

    border-radius: 12px;

    background: #088395;

    color: white;

    font-size: 18px;

    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

.option {
    width: 100%;

    background: #f1f1f1;

    color: #222;

    border: 2px solid #ddd;

    margin-top: 10px;
}

.option.correct {
    background: #28a745;

    color: white;
}

.option.wrong {
    background: #dc3545;

    color: white;
}

.top {
    display: flex;

    justify-content: space-between;

    margin-bottom: 20px;

    font-weight: bold;
}

.hidden {
    display: none;
}

#timer {
    color: #dc3545;
}