/**
 * JLITS Bootstrap Carousel Styles
 *
 * Universal styles for carousel skeleton loaders, indicators, and states.
 * Compatible with Bootstrap 3.x, 4.x, and 5.x carousel components.
 * All styles are namespaced under .jlits-bs-carousel to prevent conflicts.
 *
 * @package    jlits\bootstrap
 * @version    1.0.0
 * @date       2025-10-18
 * @author     JL IT Solutions
 */

/* ==========================================================================
   Carousel Container
   ========================================================================== */

.jlits-bs-carousel {
    position: relative;
    width: 100%;
}

/* Carousel wrapper to contain loading overlay */
.jlits-bs-carousel > div[id$="_wrapper"] {
    position: relative;
}

/* Global center alignment for carousel content */
.jlits-bs-carousel .carousel-item > [class*="col-"],
.jlits-bs-carousel .item > [class*="col-"] {
    text-align: center;
}

/* Ensure skeleton grids are also centered */
/*.jlits-bs-carousel .carousel .skeleton-grid {*/
/*    text-align: center;*/
/*    display: inline-block;*/
/*    width: 100%;*/
/*}*/

.jlits-bs-carousel .carousel .carousel-error{
    "margin": 50px;
}

/* ==========================================================================
   Loading Overlay
   ========================================================================== */

.jlits-bs-carousel .carousel-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.jlits-bs-carousel .carousel-loading-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
    border: 0.3em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: jlits-spinner-border .75s linear infinite;
}

@keyframes jlits-spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Skeleton Loaders
   ========================================================================== */

.jlits-bs-carousel .skeleton-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    min-height: 400px;
    position: relative;
}

.jlits-bs-carousel .skeleton-item {
    width: calc(33.333% - 10px);
    min-width: var(--carousel-min-width, 318px);
    min-height: var(--carousel-min-height, 250px);
    animation: jlits-skeleton-loading 1.2s ease-in-out infinite;
}

/* Responsive skeleton grid */
@media (max-width: 768px) {
    .jlits-bs-carousel .skeleton-item {
        width: calc(50% - 10px);
    }
}

@media (max-width: 480px) {
    .jlits-bs-carousel .skeleton-item {
        width: 100%;
        max-width: 250px;
    }
}

/* Skeleton elements */
.jlits-bs-carousel .skeleton-image {
    width: 100%;
    height: 200px;
    background-color: #e0e0e0;
    border-radius: 4px;
    margin-bottom: 10px;
}

.jlits-bs-carousel .skeleton-text {
    height: 16px;
    background-color: #e0e0e0;
    border-radius: 4px;
    margin-bottom: 8px;
}

.jlits-bs-carousel .skeleton-title {
    width: 80%;
}

.jlits-bs-carousel .skeleton-subtitle {
    width: 60%;
}

/* Skeleton loading animation */
@keyframes jlits-skeleton-loading {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}

/* Skeleton spinner overlay */
.jlits-bs-carousel .skeleton-spinner-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 50%;
    display: none;
}

/* Bootstrap 3 uses .item, Bootstrap 4/5 use .carousel-item */
.jlits-bs-carousel .item[data-page] .skeleton-spinner-overlay,
.jlits-bs-carousel .carousel-item[data-page] .skeleton-spinner-overlay {
    display: block;
}

.jlits-bs-carousel .item[data-page].loaded .skeleton-spinner-overlay,
.jlits-bs-carousel .carousel-item[data-page].loaded .skeleton-spinner-overlay {
    display: none;
}

.jlits-bs-carousel .skeleton-spinner-overlay .spinner-border {
    width: 40px;
    height: 40px;
    border: 3px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: jlits-spin 1s linear infinite;
}

@keyframes jlits-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Carousel Indicators - All Bootstrap Versions
   ========================================================================== */

.jlits-bs-carousel .carousel-indicators {
    position: absolute;
    bottom: -25px; /* Adjust this value to control the distance of the indicators from the bottom of the content area */
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
    padding-left: 0;
    margin: 0;
    list-style: none;
    text-align: center;
    display: flex;
    justify-content: center;
}

/* Bootstrap 3 uses li elements, Bootstrap 4/5 use button elements */
.jlits-bs-carousel .carousel-indicators li,
.jlits-bs-carousel .carousel-indicators button {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin: 0 5px;
    text-indent: -999px;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
    padding: 0;
    background-clip: padding-box;
    opacity: 1;
}

/* Ensure Bootstrap 5 buttons have proper dimensions */
.jlits-bs-carousel .carousel-indicators button {
    width: 10px;
    height: 10px;
}

.jlits-bs-carousel .carousel-indicators li.active,
.jlits-bs-carousel .carousel-indicators button.active {
    background-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

/* Loading state */
.jlits-bs-carousel .carousel-indicators li.loading,
.jlits-bs-carousel .carousel-indicators button.loading {
    position: relative;
    overflow: hidden;
}

.jlits-bs-carousel .carousel-indicators li.loading::after,
.jlits-bs-carousel .carousel-indicators button.loading::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent
    );
    animation: jlits-indicator-loading 1.5s linear infinite;
}

@keyframes jlits-indicator-loading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Loaded state */
.jlits-bs-carousel .carousel-indicators li.loaded,
.jlits-bs-carousel .carousel-indicators button.loaded {
    background-color: rgba(70, 170, 70, 0.6);
    border-color: rgba(70, 170, 70, 0.8);
}

/* Error state */
.jlits-bs-carousel .carousel-indicators li.error,
.jlits-bs-carousel .carousel-indicators button.error {
    background-color: rgba(220, 53, 69, 0.6);
    border-color: rgba(220, 53, 69, 0.8);
}

/* ==========================================================================
   Carousel Controls - All Bootstrap Versions
   ========================================================================== */

/* Bootstrap 3 controls */
.jlits-bs-carousel .carousel-control {
    position: absolute;
    /*top: 50%;*/
    /*transform: translateY(-50%);*/
    width: 50px;
    /*height: 50px;*/
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    opacity: 0.7;
    transition: all 0.15s ease;
}

.jlits-bs-carousel .carousel-control:hover,
.jlits-bs-carousel .carousel-control:focus {
    opacity: 1;
    color: #fff;
    text-decoration: none;
    outline: 0;
}

.jlits-bs-carousel .carousel-control.left {
    /*left: 10px;*/
    background: transparent;
}

.jlits-bs-carousel .carousel-control.right {
    /*right: 15px;*/
    background: transparent;
}

/* Bootstrap 4/5 controls */
.jlits-bs-carousel .carousel-control-prev,
.jlits-bs-carousel .carousel-control-next {
    width: 50px;
    background-color: transparent;
    border-radius: 0;
    opacity: 0.7;
    transition: all 0.15s ease;
}

/* set the control position */
.jlits-bs-carousel .carousel-control-prev {
    /*left: 5px;*/
}

/* set the control position */
.jlits-bs-carousel .carousel-control-next {
    /*right: 5px;*/
}


/* Control icons */
.jlits-bs-carousel .carousel-control i,
.jlits-bs-carousel .carousel-control .glyphicon {
    color: black;
    font-size: 25px;
}

.jlits-bs-carousel .carousel-control-next i,
.jlits-bs-carousel .carousel-control-prev i{
    color: black;
    font-size: 25px;
}

.jlits-bs-carousel .carousel-control:hover,
.jlits-bs-carousel .carousel-control:focus,
.jlits-bs-carousel .carousel-control-prev:hover,
.jlits-bs-carousel .carousel-control-prev:focus,
.jlits-bs-carousel .carousel-control-next:hover,
.jlits-bs-carousel .carousel-control-next:focus {
    background-color: transparent;
    opacity: 1;
}

/* Bootstrap 4/5 control icons */
/*.jlits-bs-carousel .carousel-control-prev-icon,*/
/*.jlits-bs-carousel .carousel-control-next-icon {*/
/*    width: 20px;*/
/*    height: 40px;*/
/*}*/


/* ==========================================================================
   Error States
   ========================================================================== */

.jlits-bs-carousel .carousel-error {
    padding: 40px 20px;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.jlits-bs-carousel .carousel-error .alert {
    max-width: 500px;
    margin: 0 auto;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.jlits-bs-carousel .carousel-empty-state {
    padding: 60px 20px;
    text-align: center;
    color: #666;
    font-size: 16px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

/* Small devices (tablets) */
@media (max-width: 768px) {
    .jlits-bs-carousel .carousel-indicators {
        bottom: 5px;
    }

    .jlits-bs-carousel .carousel-indicators li,
    .jlits-bs-carousel .carousel-indicators button {
        width: 8px;
        height: 8px;
        margin: 0 3px;
    }

    .jlits-bs-carousel .carousel-control,
    .jlits-bs-carousel .carousel-control-prev,
    .jlits-bs-carousel .carousel-control-next {
        width: 40px;
        height: 40px;
    }

    .jlits-bs-carousel .carousel-control .glyphicon {
        font-size: 16px;
    }

    .jlits-bs-carousel .carousel-control-prev-icon,
    .jlits-bs-carousel .carousel-control-next-icon {
        width: 16px;
        height: 16px;
    }
}

/* Extra small devices (phones) */
@media (max-width: 480px) {
    .jlits-bs-carousel .skeleton-grid {
        padding: 10px;
        min-height: 300px;
    }

    .jlits-bs-carousel .carousel-control,
    .jlits-bs-carousel .carousel-control-prev,
    .jlits-bs-carousel .carousel-control-next {
        width: 35px;
        height: 35px;
    }

    .jlits-bs-carousel .carousel-control.left,
    .jlits-bs-carousel .carousel-control-prev {
        left: 10px;
    }

    .jlits-bs-carousel .carousel-control.right,
    .jlits-bs-carousel .carousel-control-next {
        right: 10px;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Hide elements visually but keep them available for screen readers */
.jlits-bs-carousel .sr-only,
.jlits-bs-carousel .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Clearfix */
.jlits-bs-carousel::after {
    content: "";
    display: table;
    clear: both;
}

/* ==========================================================================
   Dark Theme Support (optional)
   ========================================================================== */

.jlits-bs-carousel.carousel-dark .skeleton-image,
.jlits-bs-carousel.carousel-dark .skeleton-text {
    background-color: #3a3a3a;
}

.jlits-bs-carousel.carousel-dark .carousel-loading-overlay {
    background-color: rgba(0, 0, 0, 0.9);
    color: #fff;
}

.jlits-bs-carousel.carousel-dark .carousel-indicators li,
.jlits-bs-carousel.carousel-dark .carousel-indicators button {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.jlits-bs-carousel.carousel-dark .carousel-indicators li.active,
.jlits-bs-carousel.carousel-dark .carousel-indicators button.active {
    background-color: rgba(255, 255, 255, 0.8);
}

.jlits-bs-carousel.carousel-dark .carousel-control,
.jlits-bs-carousel.carousel-dark .carousel-control-prev,
.jlits-bs-carousel.carousel-dark .carousel-control-next {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
}