/* Stone Sink — Procedural Audio + Haptics
   Palette: indigo, charcoal, wet stone grey */

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #0c0e18;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

#canvas {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#ui {
    position: absolute;
    bottom: 24px;
    left: 0;
    right: 0;
    text-align: center;
    pointer-events: none;
    z-index: 10;
}

#info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

#state-label {
    color: #4a5068;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: color 0.15s;
}

#state-label.active {
    color: #5a6080;
}

#sync-indicator {
    font-size: 9px;
    letter-spacing: 2px;
    opacity: 0.5;
}

#sync-indicator.sync-ok {
    color: #3a6b5a;
}

#sync-indicator.sync-warn {
    color: #8a3a3a;
    opacity: 0.8;
    animation: sync-flash 0.3s ease-in-out infinite alternate;
}

@keyframes sync-flash {
    from { opacity: 0.6; }
    to { opacity: 1; }
}