/* ---------------------------------------------------------
   Breathing Crystals – Purple Tanuki
   Reforged, production‑ready CSS
--------------------------------------------------------- */

html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: radial-gradient(circle at center,
        #c8b8ff 0%,
        #a48dff 40%,
        #7a5cff 100%
    );
    font-family: "Nunito", sans-serif;
    height: 100%;
}

/* Fullscreen canvas */
#crystalCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    touch-action: none;
}

/* Focus meter container */
#focusMeter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 14px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    overflow: hidden;
    --focus: 0;
}

/* Focus meter fill */
#focusMeter::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: calc(var(--focus) * 100%);
    background: linear-gradient(
        90deg,
        #b8ffe7,
        #7affd1,
        #4ee8b8
    );
    border-radius: 10px;
    transition: width 0.25s ease-out;
    box-shadow: 0 0 12px rgba(122, 255, 209, 0.8);
}

/* Smooth tap highlight (mobile) */
body:active {
    background-color: transparent;
}