/**
 * Before After Slider Styles
 * 
 * @package BA_Slider
 * @version 1.0.0
 */

/* ============================================
   Base Styles
   ============================================ */
.ba-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    cursor: ew-resize;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    touch-action: pan-y pinch-zoom;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

.ba-slider--vertical {
    cursor: ns-resize;
    touch-action: pan-x pinch-zoom;
}

.ba-slider:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.ba-slider img {
    display: block;
    width: 100%;
    height: auto;
    pointer-events: none;
    max-width: 100%;
}

/* ============================================
   After Image (Background)
   ============================================ */
.ba-slider__after {
    position: relative;
    width: 100%;
    z-index: 1;
}

/* ============================================
   Before Image (Clipped)
   ============================================ */
.ba-slider__before {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
    will-change: width, height;
}

.ba-slider--horizontal .ba-slider__before {
    height: 100%;
}

.ba-slider--vertical .ba-slider__before {
    width: 100%;
    height: 50%;
}

.ba-slider__before img {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
    height: 100%;
    max-width: none;
}

.ba-slider--vertical .ba-slider__before img {
    width: 100%;
    height: auto;
}

/* ============================================
   Handle Wrapper
   ============================================ */
.ba-slider__handle-wrapper {
    position: absolute;
    z-index: 10;
    will-change: left, top;
}

.ba-slider--horizontal .ba-slider__handle-wrapper {
    top: 0;
    left: 50%;
    width: 0;
    height: 100%;
    transform: translateX(-50%);
}

.ba-slider--vertical .ba-slider__handle-wrapper {
    top: 50%;
    left: 0;
    width: 100%;
    height: 0;
    transform: translateY(-50%);
}

/* ============================================
   Handle Line
   ============================================ */
.ba-slider__line {
    position: absolute;
    background-color: #ffffff;
    z-index: 1;
}

.ba-slider--horizontal .ba-slider__line {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
}

.ba-slider--vertical .ba-slider__line {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 3px;
}

/* ============================================
   Handle Button
   ============================================ */
.ba-slider__handle {
    position: absolute;
    width: 48px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.ba-slider--horizontal .ba-slider__handle {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ba-slider--vertical .ba-slider__handle {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ba-slider__handle:hover,
.ba-slider.ba-slider--dragging .ba-slider__handle {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* Handle Arrows */
.ba-slider__handle::before,
.ba-slider__handle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    border-style: solid;
    border-width: 3px 3px 0 0;
    border-color: #333333;
}

/* Horizontal Arrows */
.ba-slider--horizontal .ba-slider__handle::before {
    left: 10px;
    transform: translateY(-50%) rotate(-135deg);
}

.ba-slider--horizontal .ba-slider__handle::after {
    right: 10px;
    transform: translateY(-50%) rotate(45deg);
}

/* Vertical Arrows */
.ba-slider--vertical .ba-slider__handle::before {
    top: 10px;
    left: 50%;
    transform: translateX(-50%) rotate(-45deg);
}

.ba-slider--vertical .ba-slider__handle::after {
    top: auto;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
}

/* ============================================
   Labels
   ============================================ */
.ba-slider__label {
    position: absolute;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    border-radius: 4px;
    z-index: 5;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    white-space: nowrap;
}

/* Horizontal Label Positions */
.ba-slider--horizontal .ba-slider__label--before {
    left: 20px;
}

.ba-slider--horizontal .ba-slider__label--after {
    right: 20px;
}

/* Vertical Label Positions */
.ba-slider--vertical .ba-slider__label--before {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.ba-slider--vertical .ba-slider__label--after {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

/* Label Position Variants - Top */
.ba-slider--labels-top .ba-slider__label {
    top: 20px;
}

/* Label Position Variants - Center */
.ba-slider--labels-center .ba-slider__label {
    top: 50%;
    transform: translateY(-50%);
}

.ba-slider--labels-center.ba-slider--vertical .ba-slider__label {
    transform: translate(-50%, -50%);
}

/* Label Position Variants - Bottom */
.ba-slider--labels-bottom .ba-slider__label {
    top: auto;
    bottom: 20px;
}

/* ============================================
   Overlay
   ============================================ */
.ba-slider__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.ba-slider--has-overlay:hover .ba-slider__overlay {
    opacity: 1;
}

.ba-slider--has-overlay .ba-slider__before .ba-slider__overlay {
    z-index: 3;
}

/* ============================================
   Dragging State
   ============================================ */
.ba-slider.ba-slider--dragging {
    cursor: grabbing;
}

.ba-slider.ba-slider--dragging .ba-slider__handle {
    transform: translate(-50%, -50%) scale(1.15);
}

/* ============================================
   Hover Move Mode
   ============================================ */
.ba-slider--hover-move {
    cursor: default;
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 768px) {
    .ba-slider__label {
        font-size: 11px;
        padding: 6px 12px;
        letter-spacing: 0.5px;
    }
    
    .ba-slider--horizontal .ba-slider__label--before {
        left: 10px;
    }
    
    .ba-slider--horizontal .ba-slider__label--after {
        right: 10px;
    }
    
    .ba-slider--labels-top .ba-slider__label,
    .ba-slider--labels-bottom .ba-slider__label {
        top: 10px;
    }
    
    .ba-slider--labels-bottom .ba-slider__label {
        top: auto;
        bottom: 10px;
    }
    
    .ba-slider__handle {
        width: 40px;
        height: 40px;
    }
    
    .ba-slider--horizontal .ba-slider__handle::before {
        left: 8px;
        width: 8px;
        height: 8px;
    }
    
    .ba-slider--horizontal .ba-slider__handle::after {
        right: 8px;
        width: 8px;
        height: 8px;
    }
}

@media (max-width: 480px) {
    .ba-slider__label {
        font-size: 10px;
        padding: 5px 10px;
    }
    
    .ba-slider__handle {
        width: 36px;
        height: 36px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .ba-slider__handle-wrapper,
    .ba-slider__label {
        display: none;
    }
    
    .ba-slider__before {
        width: 50% !important;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .ba-slider__handle,
    .ba-slider__label,
    .ba-slider__overlay {
        transition: none;
    }
}

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    .ba-slider__handle {
        border: 2px solid #000000;
    }
    
    .ba-slider__line {
        background-color: #000000;
    }
    
    .ba-slider__label {
        background-color: #000000;
        color: #ffffff;
        border: 1px solid #ffffff;
    }
}