/* ── Toolbar buttons ── */
#btn-home {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: transform 0.15s;
}

#btn-home img {
    width: 50px;
    height: 50px;
    display: block;
}

#btn-home:hover {
    transform: scale(1.15);
}

#action-icons-left,
#action-icons {
    display: flex;
    flex-direction: row;
    gap: 12px;
}

#action-icons-left button,
#action-icons button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

#action-icons img {
    width: 55px;
    height: 55px;
    display: block;
    transition: transform 0.1s;
}

#action-icons-left img {
    width: 50px;
    height: 50px;
    display: block;
    transition: transform 0.1s;
}

#action-icons-left button:hover img,
#action-icons button:hover img {
    transform: scale(1.15);
}

/* ── Volume sliders ── */
.slider-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.slider-group label {
    font-family: 'Elliott', sans-serif;
    color: #f5deb3;
    font-size: 16px;
    letter-spacing: 1px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.8);
    user-select: none;
}

#music-slider,
#sfx-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 6px;
    border-radius: 3px;
    background: #b87202;
    outline: none;
    cursor: pointer;
    align-self: center;
    opacity: 0.85;
    transition: opacity 0.2s;
}

#music-slider:hover,
#sfx-slider:hover {
    opacity: 1;
}

#music-slider::-webkit-slider-thumb,
#sfx-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f5deb3;
    border: 2px solid #b87202;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

#music-slider::-moz-range-thumb,
#sfx-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f5deb3;
    border: 2px solid #b87202;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* ── Mobile controls ── */
#mobile-controls {
    display: none;
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 50;
}

#mobile-controls.visible {
    display: block;
}

#mobile-controls-left {
    position: absolute;
    bottom: 10px;
    left: 20px;
    display: flex;
    gap: 16px;
}

#mobile-controls-right {
    position: absolute;
    bottom: 10px;
    right: 20px;
    display: flex;
    gap: 16px;
}

.mobile-btn {
    pointer-events: auto;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-btn:active {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0.95);
}

.mobile-btn-bottle img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
    pointer-events: none;
}