/* Break out of the site's container so the canvas can be full-screen */
body   { margin: 0; overflow: hidden; background: #000; }
.section   { padding: 0 !important; }
.container { max-width: none !important; padding: 0 !important; }

#c {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}
#c:active { cursor: grabbing; }

#no-webgl:not([hidden]) {
    position: fixed;
    inset: 0;
    background: #111;
    color: #ccc;
    font-family: monospace;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Controls panel ──────────────────────────────────────────────────────── */
#ui {
    position: fixed;
    bottom: 1.2rem;
    right: 1.2rem;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    color: #ddd;
    font-family: monospace;
    font-size: 0.78rem;
    padding: 0.85rem 1rem;
    min-width: 230px;
    user-select: none;
}

#ui h3 {
    margin: 0 0 0.6rem;
    font-size: 0.9rem;
    color: #fff;
    letter-spacing: 0.08em;
}

.row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.45rem;
}

.lbl {
    min-width: 5.5rem;
    color: #999;
}

#palettes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

#palettes button, .ub {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ccc;
    padding: 0.15rem 0.45rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.75rem;
    font-family: monospace;
    transition: background 0.12s;
}
#palettes button:hover, .ub:hover { background: rgba(255, 255, 255, 0.18); }
#palettes button.active {
    background: rgba(180, 180, 255, 0.3);
    border-color: rgba(180, 180, 255, 0.6);
    color: #fff;
}

input[type=range] {
    flex: 1;
    accent-color: #99aaff;
    cursor: pointer;
}

#reset {
    display: block;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ccc;
    border-radius: 5px;
    cursor: pointer;
    font-family: monospace;
    font-size: 0.78rem;
    transition: background 0.12s;
}
#reset:hover { background: rgba(255, 255, 255, 0.18); }

#zoom-val, #iter-val, #render-time { color: #fff; min-width: 3.5rem; }

/* ── Hints ───────────────────────────────────────────────────────────────── */
#hints {
    position: fixed;
    top: 1rem;
    left: 1rem;
    color: rgba(255, 255, 255, 0.35);
    font-family: monospace;
    font-size: 0.7rem;
    pointer-events: none;
    line-height: 1.7;
}