/* --- FX Studio Containers --- */
.fx-playground {
    width: 100%;
    height: 300px;
    background-color: #f1f3f4;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    background-image: 
      linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
      linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
      linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}
.fx-target-box {
    width: 150px;
    height: 150px;
    background: #34a853;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}
.fx-slider-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}
.fx-slider-group label {
    width: 120px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
}
.fx-slider-group input[type="range"] {
    flex: 1;
}
.fx-slider-group span.val {
    width: 40px;
    text-align: right;
    font-size: 13px;
    font-weight: 700;
}

/* Glassmorphism Background */
.glass-bg {
    background: url('https://images.unsplash.com/photo-1557683316-973673baf926?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') center/cover;
}
.fx-target-glass {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Neumorphism Background */
.neu-bg {
    background: #e0e5ec;
    background-image: none;
}
.fx-target-neu {
    width: 150px;
    height: 150px;
    background: #e0e5ec;
    border-radius: 20px;
    box-shadow: 9px 9px 16px rgb(163,177,198,0.6), -9px -9px 16px rgba(255,255,255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a3b1c6;
    font-weight: 700;
}

/* Text Shadow Background */
.ts-bg {
    background: #fff;
    background-image: none;
}
.fx-target-text {
    font-size: 48px;
    font-weight: 900;
    color: #000;
}

/* Filter Background */
.filter-bg {
    background: #fff;
    background-image: none;
}
.fx-target-filter {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}