body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to bottom, #0a0a0a, #111);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
}

.color-balance-container {
    background-color: rgba(0,0,0,0.85);
    padding: 20px;
    border-radius: 15px;
    width: 100%;
    max-width: 600px;
    text-align: center;
    position: relative;
    z-index: 2;
}

h1 {
    text-shadow: 0 0 10px #ff0, 0 0 20px #ff0;
}

.color-box {
    width: 150px;
    height: 150px;
    margin: 10px auto;
    border-radius: 15px;
    border: 3px solid #fff;
    box-shadow: 0 0 20px #fff;
}

.sliders label {
    display: block;
    margin: 10px 0;
}

input[type=range] {
    width: 80%;
}

.controls button {
    margin: 5px;
    padding: 8px 15px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #ff0;
    color: #000;
    font-weight: bold;
    transition: transform 0.2s;
}

.controls button:hover {
    transform: scale(1.1);
}

.score-timer {
    margin-top: 15px;
    font-size: 18px;
}

/* Fireflies */
.fireflies {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
}

.firefly {
    position: absolute;
    width: 50px;
    opacity: 0.7;
    animation: float 5s infinite ease-in-out;
    filter: drop-shadow(0 0 10px yellow);
}

@keyframes float {
    0% {transform: translate(0,0);}
    50% {transform: translate(50px, -30px);}
    100% {transform: translate(0,0);}
}