/**
 * Multiple Featured Images Slider Styles
 *
 * Smooth, modern slider with touch/swipe support.
 *
 * @package GridMode WordPress Theme
 */

/* ==========================================================================
   Slider Container
   ========================================================================== */

.gridmode-featured-images-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: transparent;
    border-radius: 0;
    user-select: none;
}

/* Single post page slider - constrained height (reduced to ~50% of original) */
.gridmode-post-thumbnail-single .gridmode-featured-images-slider {
    max-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   Single Post Gallery Mode (Side-by-side images with carousel)
   ========================================================================== */

.gridmode-featured-images-slider.gridmode-slider-gallery-mode {
    max-height: none;
    overflow: visible;
}

.gridmode-slider-gallery-mode .gridmode-slider-track {
    display: flex;
    gap: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    align-items: center;
}

.gridmode-slider-gallery-mode .gridmode-slider-image {
    flex: 0 0 auto !important;
    width: auto !important;
    height: auto;
    max-height: 400px;
    margin: 0;
}

.gridmode-slider-gallery-mode .gridmode-slider-image img {
    object-fit: contain;
    width: auto;
    height: auto;
    max-height: 400px;
    max-width: 100%;
    border-radius: 0;
    box-shadow: none;
}

/* Gallery navigation buttons - semi-transparent overlay */
.gridmode-slider-gallery-mode .gridmode-slider-nav {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    height: 100%;
    border-radius: 0;
    background: rgba(0, 0, 0, 0.15);
    z-index: 20;
    transform: none;
    transition: background 0.3s ease;
}

.gridmode-slider-gallery-mode .gridmode-slider-nav:hover {
    background: rgba(0, 0, 0, 0.35);
    transform: none;
}

.gridmode-slider-gallery-mode .gridmode-slider-nav:active {
    background: rgba(0, 0, 0, 0.45);
    transform: none;
}

.gridmode-slider-gallery-mode .gridmode-slider-nav svg {
    width: 28px;
    height: 28px;
    fill: rgba(255, 255, 255, 0.9);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.gridmode-slider-gallery-mode .gridmode-slider-prev {
    left: 0;
}

.gridmode-slider-gallery-mode .gridmode-slider-next {
    right: 0;
}

/* Hide indicators and counter in gallery mode */
.gridmode-slider-gallery-mode .gridmode-slider-indicators,
.gridmode-slider-gallery-mode .gridmode-slider-counter {
    display: none;
}

/* Gallery wrapper for centering */
.gridmode-post-thumbnail-single.gridmode-gallery-wrapper {
    position: relative;
    padding: 0;
    margin-bottom: 20px;
}

.gridmode-post-thumbnail-single.gridmode-gallery-wrapper .gridmode-featured-images-slider {
    overflow: hidden;
}

/* Gallery viewport */
.gridmode-slider-gallery-mode .gridmode-slider-viewport {
    overflow: hidden;
    width: 100%;
}

/* Responsive adjustments for gallery mode */
@media (max-width: 768px) {
    .gridmode-slider-gallery-mode .gridmode-slider-nav {
        width: 45px;
    }

    .gridmode-slider-gallery-mode .gridmode-slider-nav svg {
        width: 24px;
        height: 24px;
    }

    .gridmode-slider-gallery-mode .gridmode-slider-image {
        max-height: 280px;
    }

    .gridmode-slider-gallery-mode .gridmode-slider-image img {
        max-height: 280px;
    }
}

/* ==========================================================================
   Slider Track and Images
   ========================================================================== */

.gridmode-slider-track {
    display: flex;
    height: 100%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: grab;
    will-change: transform;
}

/* Single post page - track adjustments */
.gridmode-post-thumbnail-single .gridmode-slider-track {
    width: 100%;
    align-items: center;
}

.gridmode-slider-track:active {
    cursor: grabbing;
}

.gridmode-slider-image {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
}

/* Single post page - image container */
.gridmode-post-thumbnail-single .gridmode-slider-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
}

.gridmode-slider-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Single post page - contain images to avoid black bars */
.gridmode-post-thumbnail-single .gridmode-slider-image img {
    object-fit: contain;
    max-height: 300px;
    width: auto;
    max-width: 100%;
    margin: 0 auto;
}

/* Override pin-style.css height:auto rule for slider images */
.gridmode-grid-post .gridmode-grid-post-thumbnail .gridmode-slider-image img {
    height: 100% !important;
    aspect-ratio: unset !important;
}

.gridmode-slider-image a {
    display: block;
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Navigation Buttons
   ========================================================================== */

.gridmode-slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.gridmode-slider-nav:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.gridmode-slider-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.gridmode-slider-nav.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gridmode-slider-prev {
    left: 10px;
}

.gridmode-slider-next {
    right: 10px;
}

.gridmode-slider-nav svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Hide navigation on single image */
.gridmode-featured-images-slider[data-count="1"] .gridmode-slider-nav {
    display: none;
}

/* ==========================================================================
   Indicators (Dots)
   ========================================================================== */

.gridmode-slider-indicators {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.gridmode-slider-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gridmode-slider-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.gridmode-slider-indicator.active {
    background: #fff;
    width: 24px;
    border-radius: 4px;
}

/* Hide indicators on single image */
.gridmode-featured-images-slider[data-count="1"] .gridmode-slider-indicators {
    display: none;
}

/* ==========================================================================
   Image Counter Badge
   ========================================================================== */

.gridmode-slider-counter {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    z-index: 10;
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 4px;
}

.gridmode-slider-counter svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* Hide counter on single image */
.gridmode-featured-images-slider[data-count="1"] .gridmode-slider-counter {
    display: none;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.gridmode-slider-image.loading {
    background: #f0f0f0;
    position: relative;
}

.gridmode-slider-image.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top-color: #666;
    border-radius: 50%;
    animation: gridmode-spinner 0.8s linear infinite;
}

@keyframes gridmode-spinner {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

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

@media (max-width: 768px) {
    .gridmode-slider-nav {
        width: 36px;
        height: 36px;
    }

    .gridmode-slider-nav svg {
        width: 18px;
        height: 18px;
    }

    .gridmode-slider-prev {
        left: 6px;
    }

    .gridmode-slider-next {
        right: 6px;
    }

    .gridmode-slider-indicators {
        bottom: 8px;
        gap: 6px;
        padding: 4px 8px;
    }

    .gridmode-slider-indicator {
        width: 6px;
        height: 6px;
    }

    .gridmode-slider-indicator.active {
        width: 18px;
    }

    .gridmode-slider-counter {
        top: 8px;
        right: 8px;
        font-size: 11px;
        padding: 3px 8px;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.gridmode-slider-nav:focus,
.gridmode-slider-indicator:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Screen reader only text */
.gridmode-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   Integration with Post Grid
   ========================================================================== */

.gridmode-grid-post-thumbnail .gridmode-featured-images-slider {
    aspect-ratio: 4 / 3;
    height: auto;
}

/* Ensure sharing buttons overlay works with slider */
.gridmode-grid-post-thumbnail {
    position: relative;
}

.gridmode-grid-post-thumbnail .gridmode-post-share-buttons {
    z-index: 15; /* Above slider controls */
}

/* ==========================================================================
   Touch Optimization
   ========================================================================== */

@media (hover: none) and (pointer: coarse) {
    /* Increase touch target size on touch devices */
    .gridmode-slider-nav {
        width: 44px;
        height: 44px;
    }

    .gridmode-slider-indicator {
        width: 10px;
        height: 10px;
    }

    .gridmode-slider-indicator.active {
        width: 30px;
    }
}

/* ==========================================================================
   YouTube Embed Styles
   ========================================================================== */

/* Responsive 16:9 aspect ratio container */
.gridmode-youtube-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: #000;
    border-radius: 0;
}

.gridmode-youtube-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* YouTube Thumbnail Container */
.gridmode-youtube-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.gridmode-youtube-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Play Button - Centered, YouTube-style red button */
.gridmode-youtube-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 48px;
    padding: 0; /* Override generic button padding from pin-style.css */
    background: rgba(255, 0, 0, 0.9);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 10;
}

.gridmode-youtube-play-btn:hover {
    background: rgba(255, 0, 0, 1);
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
}

.gridmode-youtube-play-btn:active {
    transform: translate(-50%, -50%) scale(0.95);
}

.gridmode-youtube-play-btn svg {
    width: 28px;
    height: 28px;
    color: white;
    margin-left: 3px; /* Optical alignment for play icon */
}

/* Hover overlay effect */
.gridmode-youtube-thumbnail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s ease;
    pointer-events: none;
}

.gridmode-youtube-thumbnail:hover::before {
    background: rgba(0, 0, 0, 0.1);
}

/* When video is playing (iframe loaded) */
.gridmode-youtube-embed.playing .gridmode-youtube-thumbnail {
    display: none;
}

/* Grid view specific styles */
.gridmode-youtube-grid {
    max-width: 100%;
}

.gridmode-grid-post-thumbnail .gridmode-youtube-embed {
    aspect-ratio: 4 / 3;
    padding-bottom: 0;
    height: auto;
}

/* Single post view specific styles */
.gridmode-youtube-single {
    max-width: 800px;
    margin: 0 auto 20px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .gridmode-youtube-single {
        max-width: 100%;
    }

    .gridmode-grid-post-thumbnail .gridmode-youtube-embed {
        border-radius: 2px;
    }

    .gridmode-youtube-play-btn {
        width: 40px;
        height: 40px;
        padding: 0; /* Ensure no padding on mobile */
        /* Reset centering from base styles */
        top: auto;
        left: auto;
        transform: none;
        /* Position at bottom-right on mobile */
        bottom: 8px;
        right: 8px;
        border-radius: 6px;
    }

    .gridmode-youtube-play-btn svg {
        width: 20px;
        height: 20px;
        margin-left: 2px; /* Optical alignment for play icon */
    }
}

/* Loading state for YouTube embeds */
.gridmode-youtube-embed.loading {
    background: #f0f0f0;
}

.gridmode-youtube-embed.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top-color: #666;
    border-radius: 50%;
    animation: gridmode-spinner 0.8s linear infinite;
}