body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #ffffff;
}

#graffitiCanvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.graffitiAimLayer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 8;
}

.graffitiAimCursor {
    --cursor-color: #111111;
    position: absolute;
    width: 46px;
    height: 46px;
    margin-left: -23px;
    margin-top: -23px;
    border: 2px solid var(--cursor-color);
    border-radius: 50%;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.9) inset,
        0 0 18px rgba(0, 0, 0, 0.18);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.35) 0, rgba(255, 255, 255, 0.08) 32%, transparent 68%);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 120ms ease, transform 120ms ease;
}

.graffitiAimCursor.visible {
    opacity: 1;
    transform: scale(1);
}

.graffitiAimCursor::before,
.graffitiAimCursor::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    background: var(--cursor-color);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    transform: translate(-50%, -50%);
}

.graffitiAimCursor::before {
    width: 2px;
    height: 60px;
}

.graffitiAimCursor::after {
    width: 60px;
    height: 2px;
}

.graffitiQrCode {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: white;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.graffitiHelp {
    position: absolute;
    bottom: 140px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-family: sans-serif;
    font-size: 14px;
    z-index: 10;
}