/* Item Show Page Styles */

/* Office document viewer styles */
#office-loading {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 8px;
    z-index: 100;
}

.item-viewer {
    position: relative;
}

/* Video player styles */
.video-player video {
    width: 100%;
    height: auto;
    max-height: 500px;
    background-color: #000;
    overflow: hidden;
}

.ratio-16x9 {
    max-height: 500px;
    background-color: #000;
    overflow: hidden;
}

/* Hide scrollbars for video players */
.video-player::-webkit-scrollbar,
.ratio-16x9::-webkit-scrollbar {
    display: none;
}

.video-player,
.ratio-16x9 {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* Modern tab styling */
.nav-tabs {
    position: relative;
    border-bottom: 1px solid #dee2e6 !important;
}

/* Important override for Bootstrap */
.card-header-tabs.nav-tabs {
    margin-bottom: 0 !important;
}

/* Direct style for the card header */
.card-header {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
    padding-top: 0.5rem !important;
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
    border-bottom: none !important;
}

/* Add space between tabs and content */
.tab-content {
    padding-top: 1.25rem !important;
}

/* Remove unnecessary pseudo-elements */
.card-header::after,
.card-header::before {
    display: none !important;
}

/* File section styling */
.file-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e9ecef;
}

.file-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.file-info {
    flex: 1;
    min-width: 0; /* Ensures text truncation works */
}

.file-actions {
    white-space: nowrap;
}

.image-preview {
    transition: all 0.3s ease;
}

.image-preview:hover {
    transform: scale(1.05);
}

/* Improve tab styling */
.nav-tabs .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 0;
    border: none;
    border-bottom: 3px solid transparent;
    color: #6c757d;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: #dee2e6;
    background-color: rgba(0, 0, 0, 0.02);
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    border-bottom-color: #0d6efd;
    background-color: transparent;
}

/* Card styling improvements */
.card {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 1.5rem;
}

/* List group styling */
.list-group-item {
    border-left: none;
    border-right: none;
    padding: 1rem;
}

.list-group-item:first-child {
    border-top: none;
}

.list-group-item:last-child {
    border-bottom: none;
}

.nav-tabs .nav-item {
    margin-bottom: 0;
    position: relative;
    z-index: 2;
}

.nav-tabs .nav-link {
    border: none;
    color: #6c757d;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-tabs .nav-link:hover {
    color: #495057;
    background-color: transparent;
    border-color: transparent;
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: transparent;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    background-color: transparent;
    border-color: transparent;
}

.nav-tabs .nav-link.active::after {
    background-color: #0d6efd;
}

.tab-pane {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Item header and back button */
.h3.fw-semibold {
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .h3.fw-semibold {
        max-width: 60%;
        font-size: 1.5rem;
    }

    .btn-outline-primary {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .h3.fw-semibold {
        max-width: 50%;
        font-size: 1.25rem;
    }

    .btn-outline-primary {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* Image viewer improvements */
.main-image-container {
    min-height: 400px;
    background-color: #f8f9fa;
    touch-action: none; /* Disable default touch behaviors */
    user-select: none; /* Prevent text selection */
    position: relative;
    overflow: hidden;
}

.main-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

/* Thumbnail improvements */
.thumbnails {
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #007bff #f0f0f0;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

.thumbnails::-webkit-scrollbar {
    height: 8px;
}

.thumbnails::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 4px;
}

.thumbnails::-webkit-scrollbar-thumb {
    background-color: #007bff;
    border-radius: 4px;
}

.thumbnail {
    transition: all 0.2s ease;
    cursor: pointer;
    touch-action: manipulation; /* Enable fast taps */
    -webkit-tap-highlight-color: rgba(0,0,0,0.1); /* Custom tap highlight */
    min-width: 80px; /* Ensure minimum touch target size */
    min-height: 60px;
}

.thumbnail:hover:not(.active) {
    border-color: #ddd !important;
}

.thumbnail.active {
    border-color: #0d6efd !important;
}

/* Enhanced mobile touch feedback */
.thumbnail:active {
    transform: scale(0.95);
    opacity: 0.7;
}

/* Mobile-specific improvements */
@media (max-width: 768px) {
    .main-image-container {
        min-height: 350px;
        touch-action: pan-x pan-y pinch-zoom; /* Allow pinch and pan */
        position: relative;
        overflow: hidden;
    }

    .thumbnails {
        padding: 6px;
        height: 70px;
        gap: 6px;
    }

    .thumbnail {
        margin-right: 6px;
        min-width: 70px;
        min-height: 55px;
        width: 70px;
        height: 55px;
        border-radius: 6px;
        transition: all 0.2s ease;
    }

    /* Compact toolbar buttons for mobile */
    .viewer-toolbar {
        padding: 8px 12px;
        background: rgba(248, 249, 250, 0.95);
        backdrop-filter: blur(10px);
    }

    .viewer-toolbar .btn {
        padding: 6px 10px !important;
        font-size: 14px !important;
        min-width: 36px !important;
        min-height: 36px !important;
        border-radius: 6px !important;
        margin: 0 2px !important;
        border: 1px solid rgba(0, 0, 0, 0.1) !important;
        background: rgba(255, 255, 255, 0.9) !important;
        backdrop-filter: blur(5px) !important;
        transition: all 0.2s ease !important;
    }

    .viewer-toolbar .btn:hover,
    .viewer-toolbar .btn:active {
        transform: scale(0.95) !important;
        background: rgba(0, 123, 255, 0.1) !important;
        border: 1px solid #007bff !important;
    }

    /* Compact pagination buttons for mobile */
    .viewer-pagination {
        padding: 8px 12px;
        background: rgba(248, 249, 250, 0.95);
        backdrop-filter: blur(10px);
    }

    .viewer-pagination .btn {
        padding: 6px 12px !important;
        font-size: 14px !important;
        min-width: 36px !important;
        min-height: 36px !important;
        border-radius: 6px !important;
        margin: 0 2px !important;
        border: 1px solid rgba(0, 0, 0, 0.1) !important;
        background: rgba(255, 255, 255, 0.9) !important;
        backdrop-filter: blur(5px) !important;
        transition: all 0.2s ease !important;
    }

    .viewer-pagination .btn:hover,
    .viewer-pagination .btn:active {
        transform: scale(0.95) !important;
        background: rgba(0, 123, 255, 0.1) !important;
        border-color: #007bff !important;
    }

    /* Page info styling */
    .viewer-pagination span {
        font-size: 13px !important;
        font-weight: 500 !important;
        color: #495057 !important;
        background: rgba(255, 255, 255, 0.8) !important;
        padding: 4px 8px !important;
        border-radius: 4px !important;
        backdrop-filter: blur(5px) !important;
    }
}

@media (max-width: 576px) {
    .main-image-container {
        min-height: 280px;
        touch-action: manipulation; /* Optimize for touch */
    }

    .thumbnails {
        padding: 4px;
        height: 60px;
        gap: 4px;
    }

    .thumbnail {
        margin-right: 4px;
        width: 60px;
        height: 45px;
        min-width: 60px;
        min-height: 45px;
        border-radius: 4px;
    }

    /* Extra compact buttons for small screens */
    .viewer-toolbar {
        padding: 6px 8px;
    }

    .viewer-toolbar .btn {
        padding: 5px 8px !important;
        font-size: 12px !important;
        min-width: 32px !important;
        min-height: 32px !important;
        border-radius: 4px !important;
        margin: 0 1px !important;
    }

    .viewer-pagination {
        padding: 6px 8px;
    }

    .viewer-pagination .btn {
        padding: 5px 10px !important;
        font-size: 12px !important;
        min-width: 32px !important;
        min-height: 32px !important;
        border-radius: 4px !important;
        margin: 0 1px !important;
    }

    .viewer-pagination span {
        font-size: 11px !important;
        padding: 3px 6px !important;
    }

    /* Hide some less important buttons on very small screens */
    .viewer-toolbar .btn[title="หมุนซ้าย"],
    .viewer-toolbar .btn[title="หมุนขวา"] {
        display: none !important;
    }
}

/* Enhanced touch gestures and feedback */
@media (max-width: 768px) {
    /* Prevent touch conflicts with navbar */
    .main-image-container,
    .item-viewer,
    .document-viewer,
    .image-viewer {
        touch-action: pan-x pan-y pinch-zoom !important;
        -webkit-touch-callout: none !important;
        -webkit-user-select: none !important;
        user-select: none !important;
        position: relative !important;
        z-index: 1 !important;
    }

    /* Touch gesture hints */
    .main-image-container::after {
        content: "👆 แตะสองครั้งเพื่อซูม • ลากเพื่อเลื่อน • คลิกภาพย่อหรือปุ่มเพื่อเปลี่ยนหน้า";
        position: absolute;
        bottom: 15px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.8);
        color: white;
        padding: 8px 12px;
        border-radius: 20px;
        font-size: 11px;
        opacity: 0;
        animation: fadeInOut 6s ease-in-out;
        pointer-events: none;
        z-index: 100;
        max-width: 90%;
        text-align: center;
        white-space: nowrap;
        backdrop-filter: blur(5px);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    @keyframes fadeInOut {
        0%, 100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
        15%, 85% { opacity: 1; transform: translateX(-50%) translateY(0); }
    }

    /* Enhanced image interaction */
    #item-image {
        transition: transform 0.2s ease-out !important;
        cursor: grab !important;
        user-select: none !important;
        -webkit-user-select: none !important;
        -webkit-touch-callout: none !important;
        touch-action: pan-x pan-y pinch-zoom !important;
    }

    #item-image:active {
        cursor: grabbing !important;
    }

    /* Smooth zoom transitions */
    .main-image-container.zooming #item-image {
        transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    }

    /* Enhanced touch feedback for thumbnails */
    .thumbnail {
        transition: all 0.15s ease !important;
        -webkit-tap-highlight-color: transparent !important;
        touch-action: manipulation !important;
        cursor: pointer !important;
        position: relative !important;
    }

    .thumbnail:hover {
        transform: scale(1.05) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }

    .thumbnail:active {
        transform: scale(0.95) !important;
        opacity: 0.9 !important;
    }

    /* Visual indicator for clickable thumbnails */
    .thumbnail::before {
        content: '';
        position: absolute;
        top: -2px;
        left: -2px;
        right: -2px;
        bottom: -2px;
        background: linear-gradient(45deg, transparent, rgba(0, 123, 255, 0.1), transparent);
        border-radius: 8px;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
        z-index: -1;
    }

    .thumbnail:hover::before {
        opacity: 1;
    }

    /* Enhanced button feedback */
    .viewer-toolbar .btn:active,
    .viewer-pagination .btn:active {
        transform: scale(0.9) !important;
        transition: transform 0.1s ease !important;
    }

    /* Enhanced navigation button styling */
    .viewer-pagination .btn {
        position: relative !important;
        overflow: hidden !important;
    }

    .viewer-pagination .btn::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.3s ease, height 0.3s ease;
    }

    .viewer-pagination .btn:active::after {
        width: 100px;
        height: 100px;
    }

    /* Prevent accidental navbar triggers */
    .viewer-toolbar,
    .viewer-pagination,
    .thumbnails {
        touch-action: manipulation !important;
        -webkit-touch-callout: none !important;
        position: relative !important;
        z-index: 10 !important;
    }

    /* Make navigation buttons more prominent */
    .viewer-pagination {
        background: rgba(248, 249, 250, 0.98) !important;
        border-top: 2px solid rgba(0, 123, 255, 0.1) !important;
    }

    .viewer-pagination .btn {
        font-weight: 600 !important;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
    }

    .viewer-pagination .btn:disabled {
        opacity: 0.4 !important;
        transform: none !important;
    }
}

/* Hide swipe hint after first interaction */
.main-image-container.interacted::after {
    display: none;
}

/* Map container */
.map-container {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

/* File download buttons */
.btn-group-sm .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* Audio/Video player improvements */
.audio-player,
.video-player {
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
}

/* PDF viewer improvements */
.pdf-viewer iframe {
    border-radius: 4px;
}