/* 
 * Responsive Image Comparison Component
 * A standalone CSS file for before/after image comparison
 */

/* Main container for the image comparison */
.img-compare-container {
    position: relative;
    width: 100%;
    max-width: 940px;
    margin: 0 auto;
    overflow: hidden;
    z-index: 1; /* Establish a stacking context */
}

.img-compare-container img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
}

/* The "before" image container that slides */
.img-compare-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    overflow: hidden;
    z-index: 2; /* Higher than container, lower than handle */
    /* Force Hardware Acceleration */
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.img-compare-before img {
    position: absolute;
    left: 0;
    top: 0;
    display: block;
    height: 100%;
    width: auto;
    max-width: none;
}

/* Labels for before/after */
.img-compare-label {
    position: absolute;
    bottom: 0;
    padding: 1em;
    color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    opacity: 0;
    z-index: 5; /* Higher than images but lower than handle */
    -webkit-transform: translateY(20px);
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -o-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: -webkit-transform 0.5s 0.75s, opacity 0.5s 0.75s;
    -moz-transition: -moz-transform 0.5s 0.75s, opacity 0.5s 0.75s;
    transition: transform 0.5s 0.75s, opacity 0.5s 0.75s;
}

.img-compare-label.before-label {
    left: 0;
}

.img-compare-label.after-label {
    right: 40px;
}

.img-compare-label.is-hidden {
    visibility: hidden;
}

.is-visible .img-compare-label {
    opacity: 1;
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
}

/* The draggable handle */
.img-compare-handle {
    position: absolute;
    height: 44px;
    width: 44px;
    left: 50%;
    top: 50%;
    margin-left: -22px;
    margin-top: -22px;
    border-radius: 50%;
    background: #0d8bcd url("../images/cd-arrows.svg") no-repeat center center;
    cursor: move;
    box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    opacity: 0;
    z-index: 10; /* Ensure the handle is always on top */
    -webkit-transform: translate3d(0, 0, 0) scale(0);
    -moz-transform: translate3d(0, 0, 0) scale(0);
    -ms-transform: translate3d(0, 0, 0) scale(0);
    -o-transform: translate3d(0, 0, 0) scale(0);
    transform: translate3d(0, 0, 0) scale(0);
}

.img-compare-handle.draggable {
    /* change background color when element is active */
    background-color: #445b7c;
}

.is-visible .img-compare-handle {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0) scale(1);
    -moz-transform: translate3d(0, 0, 0) scale(1);
    -ms-transform: translate3d(0, 0, 0) scale(1);
    -o-transform: translate3d(0, 0, 0) scale(1);
    transform: translate3d(0, 0, 0) scale(1);
    -webkit-transition: -webkit-transform 0.5s 0.75s, opacity 0s 0.75s;
    -moz-transition: -moz-transform 0.5s 0.75s, opacity 0s 0.75s;
    transition: transform 0.5s 0.75s, opacity 0s 0.75s;
}

/* Animation for the before image sliding in */
.is-visible .img-compare-before {
    width: 50%;
    /* bounce in animation of the modified image */
    -webkit-animation: img-compare-bounce-in 0.75s;
    -moz-animation: img-compare-bounce-in 0.75s;
    animation: img-compare-bounce-in 0.75s;
    border-right: 1px solid grey;
}

/* Define the bounce animation */
@-webkit-keyframes img-compare-bounce-in {
    0% { width: 0; }
    60% { width: 55%; }
    100% { width: 50%; }
}

@-moz-keyframes img-compare-bounce-in {
    0% { width: 0; }
    60% { width: 55%; }
    100% { width: 50%; }
}

@keyframes img-compare-bounce-in {
    0% { width: 0; }
    60% { width: 55%; }
    100% { width: 50%; }
}

/* Larger version for different use cases */
.img-compare-container-large {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.img-compare-container-large img {
    display: block;
    width: 100%;
    height: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .img-compare-label {
        padding: 0.5em;
        font-size: 14px;
    }
    
    .img-compare-handle {
        height: 36px;
        width: 36px;
        margin-left: -18px;
        margin-top: -18px;
    }
}

/* Additional mobile optimizations */
@media (max-width: 480px) {
    .img-compare-label.after-label {
        right: 10px; /* Adjust positioning for very small screens */
    }
    
    .img-compare-handle {
        height: 30px;
        width: 30px;
        margin-left: -15px;
        margin-top: -15px;
    }
}