body {
    font-family: Arial, sans-serif;
    background: #b3f4ff;
    margin: 0;
    padding: 20px;
    text-align: center;
    color: #004c5c;
}
h1 {
    font-size: 55px;
    margin-bottom: 10px;
    text-shadow: 0 0 10px #ffffffaa;
}

p {
    font-size: 32px;
    margin: 10px 0;
}

button {
    background: #7ed9e6;
    border: 2px solid #5bbac6;
    border-radius: 12px;
    padding: 15px 25px;
    font-size: 45px;
    cursor: pointer;
    transition: 0.15s ease;
    box-shadow: 0 0 12px #00000033;
}

button:hover {
    background: #6fc8d4;
}

button:active {
    background: #5bbac6;
    transform: scale(0.95);
}

.back {
    width: 150px;
    height: 80px;
    font-size: 40px;
    margin-bottom: 20px;
}

#title {
    margin-top: 20px;
    padding: 20px;
    background: #a6f0ff;
    border-radius: 15px;
    box-shadow: 0 0 20px #00000033;
}

.slider {
    width: 450px;
    margin-top: 20px;
    appearance: none;
    height: 12px;
    background: #7ed9e6;
    border-radius: 6px;
    outline: none;
    transition: 0.2s;
}

.slider:hover {
    background: #6fc8d4;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    background: #008a8a;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px #00000055;
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: #008a8a;
    border-radius: 50%;
    cursor: pointer;
}

#game {
    display: none;
    margin-top: 30px;
}

#topbar {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

#game button {
    min-width: 28%;
    margin: 8px;
}

#midtrue, #midfalse {
    display: none;
    margin-top: 40px;
}

#midtrue p, #midfalse p {
    font-size: 45px;
    margin-bottom: 20px;
}

#end {
    margin-top: 40px;
}

#titleend {
    font-size: 60px;
    color: #005f6b;
    text-shadow: 0 0 10px #ffffffaa;
}