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

html,body{
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
    font-family: monospace;
}

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}

/*Painel de controle */

.controls {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    padding: 12px;
    border-radius: 8px;
    color: #fff;
    display: flex;
    gap: 12px;
    align-items: center;
    z-index: 10;
}

.controls label {
    display: flex;
    flex-direction: column;
    font-size: 12px;
}

.controls input[type="range"]{
    width: 120px;
}

.controls button {
    background: #111;
    border: 1px solid #444;
    color: #fff;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 4px;
}

.controls button:hover {
    background: #222;
}

/* Estado oculto da UI */
.controls.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}

/* Transição suave */
.controls {
    transition: opacity 0.4s ease, transform 0.4s ease;
}