/* ==========================================================================
   BA Slider v1.7 - Before & After Image Comparison
   GPU-accelerated, mobile height & label size controls
   ========================================================================== */

.ba-slider-wrapper {
    --ba-line-color: #ffffff;
    --ba-arrow-color: #1b2b4b;
    --ba-arrow-bg: #ffffff;
    --ba-label-bg: #1b2b4b;
    --ba-label-color: #ffffff;
    --ba-bg: #1b2b4b;
    --ba-radius: 12px;
    --ba-height: 500px;
    --ba-height-mobile: 300px;
    --ba-handle-size: 48px;
    --ba-label-size: 13px;
    --ba-label-size-mobile: 11px;
    max-width: 100%;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

.ba-slider-container {
    background-color: var(--ba-bg);
    border-radius: var(--ba-radius);
    padding: 8px;
    overflow: hidden;
}

.ba-slider-comparison {
    position: relative;
    width: 100%;
    height: var(--ba-height);
    overflow: hidden;
    border-radius: calc(var(--ba-radius) - 4px);
    cursor: ew-resize;
    user-select: none;
    -webkit-user-select: none;
}

/* Both layers pinned to all edges */
.ba-slider-after,
.ba-slider-before {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Force images to stretch to fill entire canvas */
.ba-slider-wrapper .ba-slider-after img,
.ba-slider-wrapper .ba-slider-before img {
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    max-height: none !important;
    min-width: 100% !important;
    min-height: 100% !important;
    object-fit: fill !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    pointer-events: none !important;
    box-shadow: none !important;
}

/* Before layer: clipped, GPU-composited */
.ba-slider-before {
    z-index: 2;
    clip-path: inset(0 0 0 0);
    -webkit-clip-path: inset(0 0 0 0);
    will-change: clip-path;
}

/* Divider: GPU-accelerated via translate instead of left */
.ba-slider-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    will-change: transform;
}

.ba-slider-line {
    flex: 1;
    width: 3px;
    background-color: var(--ba-line-color);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

/* Handle */
.ba-slider-handle {
    width: var(--ba-handle-size);
    height: var(--ba-handle-size);
    border-radius: 50%;
    background: var(--ba-arrow-bg);
    border: 3px solid var(--ba-line-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    pointer-events: auto;
    cursor: ew-resize;
    flex-shrink: 0;
    z-index: 6;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ba-slider-handle:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.ba-slider-handle:focus-visible {
    outline: 3px solid #4A90D9;
    outline-offset: 2px;
}

.ba-slider-handle svg {
    width: calc(var(--ba-handle-size) * 0.35);
    height: calc(var(--ba-handle-size) * 0.35);
    color: var(--ba-arrow-color);
    flex-shrink: 0;
}

/* Labels */
.ba-slider-label {
    position: absolute;
    bottom: 16px;
    z-index: 4;
    padding: 5px 14px;
    font-size: var(--ba-label-size);
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--ba-label-color);
    background: var(--ba-label-bg);
    border-radius: 4px;
    pointer-events: none;
    opacity: 0.9;
    text-transform: uppercase;
    line-height: 1.4;
    white-space: nowrap;
}

.ba-label-before { left: 16px; }
.ba-label-after  { right: 16px; }

/* Dots */
.ba-slider-carousel-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.ba-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--ba-bg);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.25s;
}

.ba-dot.active { background: var(--ba-bg); }

/* Nav */
.ba-slider-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.ba-slider-nav button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--ba-bg);
    background: transparent;
    color: var(--ba-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    padding: 0;
}

.ba-slider-nav button:hover { background: var(--ba-bg); color: #fff; }
.ba-slider-nav button svg { width: 18px; height: 18px; }

/* Fade transition */
.ba-slider-comparison.ba-fade-enabled .ba-slider-before img,
.ba-slider-comparison.ba-fade-enabled .ba-slider-after img {
    transition: opacity 0.5s ease;
}

.ba-slider-comparison.ba-transitioning .ba-slider-before img,
.ba-slider-comparison.ba-transitioning .ba-slider-after img {
    opacity: 0;
}

/* ==========================================================================
   Responsive — uses mobile CSS variables
   ========================================================================== */
@media (max-width: 768px) {
    .ba-slider-wrapper {
        margin: 1rem auto;
    }

    .ba-slider-comparison {
        height: var(--ba-height-mobile);
    }

    .ba-slider-container { padding: 6px; }

    .ba-slider-label {
        font-size: var(--ba-label-size-mobile);
        padding: 4px 10px;
        bottom: 10px;
    }

    .ba-label-before { left: 10px; }
    .ba-label-after  { right: 10px; }

    .ba-slider-nav button { width: 32px; height: 32px; }
    .ba-slider-nav button svg { width: 15px; height: 15px; }
    .ba-dot { width: 8px; height: 8px; }
}

@media (max-width: 480px) {
    .ba-slider-label {
        padding: 3px 8px;
        bottom: 8px;
    }

    .ba-label-before { left: 8px; }
    .ba-label-after  { right: 8px; }
}