html, body {
    overflow: hidden;
    padding: 0;
    margin: 0;
}

#video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
    filter: grayscale(1) brightness(0.55);
    z-index: 0;
}

.container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column-reverse;
    align-items: start;
    z-index: 1;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    z-index: 1;
}

.name {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    font-size: 4vw;
    text-shadow: 0 0 5px #000000;
    user-select: none;
    pointer-events: none;
    z-index: 2;
}

.status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: white;
    font-family: sans-serif;
    font-size: 14px;
    text-shadow: 0 0 5px #000;
    z-index: 10;
    pointer-events: none;
}

#trailCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

#startScreen {
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

#startBtn {
    font-family: sans-serif;
    font-size: 28px;
    letter-spacing: 0.2em;
    padding: 18px 56px;
    background: #fff;
    color: #000;
    border: 2px solid #000;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

#startBtn:hover {
    background: #000;
    color: #fff;
}

.hand-cursor {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: none;
}

@media all and (min-width: 640px) {
    .name {
        font-size: 45px
    }
}