.nsync-demo-shell {
    max-width: 920px;
    margin: 28px auto !important;
    border: 4px dashed #FF00FF;
    background: #000000 !important;
    color: #ffffff !important;
    font-family: "Comic Sans MS", "Comic Sans", "Chalkboard", "Chalkboard SE", "Marker Felt", fantasy, sans-serif !important;
}

.nsync-demo-shell *,
.nsync-demo-shell div,
.nsync-demo-shell p,
.nsync-demo-shell span {
    box-sizing: border-box;
}

.nsync-stage {
    position: relative;
    padding: 10px;
    background: #050008 !important;
}

.nsync-canvas-wrap {
    position: relative;
    overflow: hidden;
    border: 3px dashed #FF00FF;
    background: #000000 !important;
}

#nsync-doom-canvas {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000000;
    image-rendering: pixelated;
    outline: none;
    touch-action: none;
}

.nsync-start-panel {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(147, 112, 219, 0.94) !important;
}

.nsync-start-panel[hidden] {
    display: none;
}

.nsync-start-card {
    max-width: 520px;
    border: 3px dashed #ffd700;
    background: #9370DB !important;
    padding: 16px;
    text-align: center;
}

.nsync-start-card h3,
.nsync-start-card p,
.nsync-start-card strong,
.nsync-start-card span {
    color: #ffffff !important;
    margin: 0 0 10px;
    font-family: "Comic Sans MS", "Comic Sans", "Chalkboard", "Chalkboard SE", "Marker Felt", fantasy, sans-serif !important;
}

.nsync-start-card h3 {
    color: #ffd700 !important;
    font-size: 1.35rem;
}

.nsync-start-card p {
    color: #00ffff !important;
    line-height: 1.35;
}

.nsync-start-card button,
.nsync-touch-pad button {
    background: #9370DB !important;
    border: 3px dashed #FFD700 !important;
    color: #00FFFF !important;
    min-height: 42px;
    padding: 8px 16px;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
    font-family: "Comic Sans MS", "Comic Sans", "Chalkboard", "Chalkboard SE", "Marker Felt", fantasy, sans-serif !important;
    font-size: 1.2em;
}

.nsync-hud {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
    background: #FF00FF !important;
    border-top: 3px dashed #ffd700;
}

.nsync-hud div {
    min-width: 0;
    padding: 8px;
    border: 2px solid #00ffff;
    background: #000000 !important;
    color: #ffd700 !important;
    text-align: center;
    font-weight: 900;
    font-family: "Comic Sans MS", "Comic Sans", "Chalkboard", "Chalkboard SE", "Marker Felt", fantasy, sans-serif !important;
}

.nsync-hud span {
    display: block;
    color: #ffffff !important;
    font-size: 0.95rem;
    line-height: 1.2;
}

.nsync-touch-pad {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
    background: #050008 !important;
    border-top: 2px dashed #ff00ff;
}

.nsync-touch-pad button {
    width: 100%;
    padding: 8px;
    background: #FF00FF !important;
    border: 2px dashed #FFD700 !important;
    color: #00FFFF !important;
    font-family: "Comic Sans MS", "Comic Sans", "Chalkboard", "Chalkboard SE", "Marker Felt", fantasy, sans-serif !important;
    font-weight: bold;
    cursor: pointer;
}

@media (max-width: 720px) {
    .nsync-demo-shell {
        margin: 20px 0 !important;
    }

    #nsync-doom-canvas {
        aspect-ratio: 4 / 3;
    }

    .nsync-start-panel {
        padding: 8px;
    }

    .nsync-start-card {
        max-height: calc(100% - 8px);
        overflow: auto;
        padding: 9px;
    }

    .nsync-start-card h3 {
        font-size: 1rem;
        margin-bottom: 6px;
    }

    .nsync-start-card p {
        font-size: 0.86rem;
        line-height: 1.18;
        margin-bottom: 7px;
    }

    .nsync-hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nsync-touch-pad {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}