/* ===================================
   MODERN IMAGE SLIDER STYLES
   Optimized for Mobile & Desktop
   =================================== */

/* Modal Container */
.image-slider-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(8px);
}

.image-slider-modal.active {
    opacity: 1;
    visibility: visible;
}

/* Controls Auto-Hide */
.image-slider-modal.controls-hidden .image-slider-header,
.image-slider-modal.controls-hidden .slider-nav-btn,
.image-slider-modal.controls-hidden .slider-metadata-overlay,
.image-slider-modal.controls-hidden .slider-thumbnails-container {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.image-slider-modal.controls-hidden .slider-image-container {
    cursor: pointer;
}

/* Show controls on hover when hidden */
.image-slider-modal.controls-hidden:hover .image-slider-header,
.image-slider-modal.controls-hidden:hover .slider-nav-btn {
    opacity: 1;
    pointer-events: auto;
}

/* Smooth transitions for controls */
.image-slider-header,
.slider-nav-btn,
.slider-metadata-overlay,
.slider-thumbnails-container {
    transition: opacity 0.4s ease;
}

/* Header Section */
.image-slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    pointer-events: none; /* Allow clicks to pass through to image */
}

.image-slider-header > * {
    pointer-events: auto; /* Re-enable clicks for buttons */
}

/* Buttons */
.slider-btn {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.slider-close-btn {
    background: rgba(0, 0, 0, 0.2);
    border: none;
}

.slider-close-btn:hover {
    background: rgba(220, 53, 69, 0.8);
    transform: rotate(90deg);
}

/* Counter */
.slider-counter {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

/* Actions */
.slider-actions {
    display: flex;
    gap: 10px;
}

/* Image Container */
.slider-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.slider-main-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    user-select: none;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.slider-main-image.zoomed {
    cursor: grab;
    max-width: none;
    max-height: none;
}

.slider-main-image.zoomed:active {
    cursor: grabbing;
}

/* Navigation Arrows */
.slider-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 100px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 15;
    outline: none;
}

.slider-nav-btn:hover {
    color: white;
    background: rgba(0,0,0,0.1);
}

.slider-nav-btn.prev { left: 0; }
.slider-nav-btn.next { right: 0; }

/* Loading Spinner */
.slider-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: #ff7f50;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}

.slider-loading.active {
    opacity: 1;
    visibility: visible;
}

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

/* WhatsApp Floating Button */
.slider-whatsapp-float {
    /* Desktop: In Header */
    position: relative;
    bottom: auto;
    right: auto;
    height: 44px; /* Match other buttons */
    padding: 0 24px;
    
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    z-index: 25;
    font-family: 'Segoe UI', sans-serif;
    border: 1px solid rgba(255, 255, 255, 0.2);
    letter-spacing: 0.5px;
    overflow: hidden;
    animation: whatsapp-pulse 2s infinite;
    margin-right: 10px; /* Space from other buttons */
}

.slider-whatsapp-float::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.slider-whatsapp-float:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.slider-whatsapp-float:hover::after {
    opacity: 1;
}

.slider-whatsapp-float:active {
    transform: translateY(-2px) scale(0.98);
}

.slider-whatsapp-float i {
    font-size: 24px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* Metadata Overlay */
.slider-metadata-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.8) 60%, rgba(0,0,0,0) 100%);
    padding: 40px 20px 110px; /* Extra padding bottom for thumbnails */
    z-index: 18;
    pointer-events: none;
}

.slider-metadata-content {
    max-width: 100%;
    margin: 0;
    text-align: left;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.slider-metadata-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 10px;
    letter-spacing: -0.5px;
    line-height: 1.2;
    font-family: 'Segoe UI', sans-serif;
}

.slider-metadata-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 15px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 800px;
    font-weight: 400;
}

.slider-meta-grid {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
}

.slider-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-meta-item i {
    color: #ff7f50;
    font-size: 14px;
}

/* Thumbnails Container */
.slider-thumbnails-container {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    z-index: 20;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
}

.slider-thumbnails {
    display: flex;
    justify-content: center;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 5px;
    scrollbar-width: none; /* Firefox */
}

.slider-thumbnails::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.slider-thumbnail {
    width: 60px;
    height: 40px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.slider-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-thumbnail:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.slider-thumbnail.active {
    opacity: 1;
    border-color: #ff7f50;
    transform: scale(1.1);
}

/* Notification */
.slider-notification {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(255, 127, 80, 0.95);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    z-index: 10001;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.slider-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .image-slider-header {
        padding: 10px 15px;
    }

    .slider-btn {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }

    .slider-nav-btn {
        width: 40px;
        font-size: 30px;
    }
    
    .slider-whatsapp-float {
        /* Mobile: Fixed FAB */
        position: fixed;
        bottom: 100px;
        right: 20px;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        justify-content: center;
        padding: 0;
        background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
        box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
        margin-right: 0;
        z-index: 11001; /* Ensure above everything */
    }
    
    .slider-whatsapp-float span {
        display: none; /* Hide text on mobile, show icon only */
    }
    
    .slider-whatsapp-float i {
        font-size: 28px;
        margin: 0;
    }

    .slider-metadata-overlay {
        padding: 20px 90px 90px 20px; /* Right padding increased to clear WhatsApp FAB */
    }

    .slider-metadata-content h3 {
        font-size: 16px;
    }

    .slider-thumbnail {
        width: 50px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .slider-actions {
        gap: 5px;
    }
    
    .slider-btn {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
    
    .slider-counter {
        font-size: 12px;
        padding: 4px 10px;
    }
}

/* Like Button Animation */
.slider-btn i.text-danger {
    color: #dc3545;
    animation: heartBeat 0.3s ease-in-out;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3), 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}