/* Wallpaper Lock Button styles */

.wallpaper-lock-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--spring-transition);
    z-index: 10;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    opacity: 0.7;
}

.wallpaper-lock-btn:hover {
    transform: scale(1.1);
    background: rgba(255,255,255,0.15);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    opacity: 1;
}

.wallpaper-lock-btn.locked {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    opacity: 1;
}

.wallpaper-lock-btn.locked:hover {
    background: rgba(59, 130, 246, 0.3);
}

/* Ensure icon size */
.wallpaper-lock-btn i {
    width: 20px;
    height: 20px;
}

/* Hide on mobile to avoid clutter */
@media (max-width: 768px) {
    .wallpaper-lock-btn {
        width: 44px;
        height: 44px;
        bottom: 80px;
        left: 15px;
    }
}

@media (max-width: 480px) {
    .wallpaper-lock-btn {
        display: none;
    }
}