@font-face {
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('/static/fonts/raleway-v28-latin-300.woff2') format('woff2');
}
#usage-popup{z-index: 30000 !important;}
.popup-opening{
    z-index: 30000 !important;
}
/* #catalog-overlay-controls{transition: all 0.4s ease;} */
#zoom-in-button, #zoom-out-button, #reset-button, #settings-button, #mouse-mode-button{       font-size: 16px;
    font-size: 16px;
    border-color: white !important;
    border-radius: 0px !important;
    width: 37px;}
@font-face {
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/raleway-v28-latin-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/fonts/raleway-v28-latin-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/static/fonts/raleway-v28-latin-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/static/fonts/raleway-v28-latin-700.woff2') format('woff2');
}

html, body { font-family: 'Raleway', sans-serif; }
/* raleway-300 - latin */
@font-face {
  font-display: swap; 
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 300;
  src: url('fonts/raleway-v28-latin-300.woff2') format('woff2'); 
}
/* raleway-regular - latin */
@font-face {
  font-display: swap; 
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 400;
  src: url('fonts/raleway-v28-latin-regular.woff2') format('woff2'); 
}
/* raleway-500 - latin */
@font-face {
  font-display: swap; 
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 500;
  src: url('fonts/raleway-v28-latin-500.woff2') format('woff2'); 
}
/* raleway-600 - latin */
@font-face {
  font-display: swap; 
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 600;
  src: url('fonts/raleway-v28-latin-600.woff2') format('woff2'); 
}
/* raleway-700 - latin */
@font-face {
  font-display: swap; 
  font-family: 'Raleway';
  font-style: normal;
  font-weight: 700;
  src: url('fonts/raleway-v28-latin-700.woff2') format('woff2'); 
}
        
        .top-bar-section,.top-bar-button,#custom-button-container{display: inline-block !important;}
        .flag-filter-container {
    display: inline-block !important;
    position: relative;
}

.flag-filter-button {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.flag-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #222;
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.4);
    z-index: 1000;
    border-radius: 4px;
    margin-top: 5px;
}
        .flag-filter-container{display: none !important;}
        #osd-coordinates{display: none !important;}
        html, body {
            margin: 0;
            padding: 0;
            height: 100%;
            width: 100%;
            overflow: hidden;
            background-color: #000000;
            color: white;
            font-family: 'Raleway', sans-serif;
        }


        /* Multi-view styles */
.multi-view-grid {
    background-color: #0a0a0a;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.viewer-cell {
    transition: all 0.2s ease;
    overflow: hidden;
    position: relative;
}

.viewer-cell.active {
    box-shadow: 0 0 0 2px #4CAF50;
    z-index: 5;
}

.empty-cell-overlay {
    color: #aaa;
    font-family: Arial, sans-serif;
    font-size: 14px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.7);
    transition: all 0.2s ease;
}

.empty-cell-overlay:hover {
    background-color: rgba(30, 30, 30, 0.7);
    color: white;
}

.file-name-label {
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.viewer-cell:hover .file-name-label {
    opacity: 1;
}

.viewer-controls {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.viewer-cell:hover .viewer-controls {
    opacity: 1;
}

.viewer-controls button:hover {
    background-color: rgba(70, 70, 70, 0.8) !important;
}

.active-viewer-indicator {
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
    transition: all 0.2s ease;
}

/* Multi-view toolbar buttons */
.multi-view-button, .sync-view-button {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background-color: #444;
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 4px;
    transition: all 0.2s ease;
}

.multi-view-button:hover, .sync-view-button:hover {
    background-color: #555;
}

/* Layout menu */
.layout-menu {
    animation: fadeIn 0.2s ease;
}

.layout-option {
    transition: all 0.2s ease;
    border-radius: 3px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Progress and notification improvements */
#progress-container {
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    /* Avoid overlap with the multi-panel floating "+" button (bottom-right). */
    bottom: 74px !important;
    right: 18px !important;
    /* In multi-panel mode, the iframe grid container sits at z-index ~3000; keep this above it. */
    z-index: 65020 !important;
}

.notification {
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}



/* Add these styles to enhance animations */

/* File item animations */
.file-item {
    opacity: 1;
    transition: opacity 0.3s ease-in-out, transform 0.2s ease-out, background-color 0.2s;
}

/* Search animations - highlight matching text */
.highlight-match {
    background-color: rgba(33, 150, 243, 0.3);
    border-radius: 2px;
    padding: 0 2px;
}

/* Add this to the head section of your HTML or to your CSS file */
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(5px); }
        to { opacity: 1; transform: translateY(0); }
    }

    @keyframes fadeOut {
        from { opacity: 1; transform: translateY(0); }
        to { opacity: 0; transform: translateY(5px); }
    }

    .file-item.show {
        animation: fadeIn 0.3s ease-in-out forwards;
    }

    .file-item.hide {
        animation: fadeOut 0.3s ease-in-out forwards;
    }
    
    .welcome-pointer{display: none;}
    /* Add a subtle pulse animation to the search input when active */
    @keyframes pulse {
        0% { box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.4); }
        70% { box-shadow: 0 0 0 5px rgba(33, 150, 243, 0); }
        100% { box-shadow: 0 0 0 0 rgba(33, 150, 243, 0); }
    }
    
    .search-active {
        animation: pulse 1.5s infinite;
    }
/* File item hover and active states */
.file-item:hover {
    background-color: #444 !important;
}

.file-item.active {
    background-color: #2196F3 !important;
    color: white;
}

/* File browser scrollbar styling */
#file-browser-container::-webkit-scrollbar {
    width: 8px;
}

#file-browser-container::-webkit-scrollbar-track {
    background: #333;
}

#file-browser-container::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

#file-browser-container::-webkit-scrollbar-thumb:hover {
    background: #777;
}

        /* Add these styles to your existing CSS or include in a style tag in your HTML */
.flag-filter-container {
    display: inline-flex
}

.flag-filter-button {
    padding: 6px 12px;
    background-color: #444;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.flag-filter-button:hover {
    background-color: #555;
}

.flag-filter-button.active {
    background-color: #4CAF50;
}

.flag-filter-button:hover,.flag-filter-button.active,.flag-filter-button:clicked{
background-color: white !important;
color: black !important;

}

.flag-dropdown-content {
    position: absolute;
    background-color: rgb(34, 34, 34);
    min-width: 200px;
    box-shadow: rgba(0, 0, 0, 0.4) 0px 8px 16px 0px;
    z-index: 1000;
    border-radius: 4px;
    top: 100%;
    left: 0px;
    margin-top: 5px;
    right: auto !important;
}

.flag-dropdown-content .flag-item {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #444;
    color: white;
    transition: background-color 0.3s;
}

.flag-dropdown-content .flag-item:hover {
    background-color: #333;
}

.flag-dropdown-content .flag-item.active {
    background-color: #4CAF50;
}

.hexagon {
    position: relative;
    width: 56px;
    height: 64px;
}

#multi-panel-container{
    transition: all 0.4s  ease;
    
}
.hexagon::before,
.hexagon::after {
    content: "";
    position: absolute;
    inset: 0;
    clip-path: polygon(
        50% 0%,
        100% 25%,
        100% 75%,
        50% 100%,
        0% 75%,
        0% 25%
    );
}
#mouse-mode-button{

    padding-top: 0px;
    height: 40px;
    line-height: 42px;
}
/* Border */
.hexagon::before {
    background: var(--hex-border-color, red);
}

/* Fill */
.hexagon::after {
    inset: var(--hex-border-width, 2px);
    background: var(--hex-fill, transparent);
}


#credit-popup-content-area{line-height: 20px;}
        #openseadragon {
            position: absolute;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            border: none;
            background-color: #000000;
            image-rendering: pixelated;
            image-rendering: -moz-crisp-edges;
            image-rendering: -webkit-optimize-contrast;
        }
        .toolbar {
            position: absolute;
            top: 20px;
            right: 10px;
            left: auto;
            /* iOS-style glass */
            background: rgba(18, 18, 20, 0.58);
            border: 1px solid rgba(255, 255, 255, 0.16);
            box-shadow: 0 18px 50px rgba(0,0,0,0.45);
            backdrop-filter: saturate(180%) blur(18px);
            -webkit-backdrop-filter: saturate(180%) blur(18px);
            padding: 10px;
            border-radius: 14px;
            text-align: center;
            z-index: 1000;
        }
        .toolbar button {
            padding: 10px;
            font-size: 14px;
            color: white;
            background: transparent;
            border: 1px solid white;
            cursor: pointer;
            margin: 5px;
            height: 41px;
            font-family: 'Raleway', sans-serif;
        }
        .toolbar button:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        .dropdown {
                margin-left: -5px;
            position: relative;
            display: inline-block;
        }
        .dropdown-content {
            display: none;
            position: absolute;
            right: 0;
            /* iOS-style glass dropdown (less transparent, more blur) */
            background: rgba(18, 18, 20, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.16);
            box-shadow: 0 18px 50px rgba(0,0,0,0.55);
            backdrop-filter: saturate(200%) blur(24px);
            -webkit-backdrop-filter: saturate(200%) blur(24px);
            min-width: 500px !important;
            z-index: 1001;
            border-radius: 14px;
            max-height: 300px;
            overflow-y: auto;
            font-family: 'Raleway', sans-serif;
        }
        .dropdown-content a {
            color: white;
            padding: 12px 16px;
            text-decoration: none;
            display: block;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            font-family: 'Raleway', sans-serif;
            transition: background-color 160ms ease;
        }
        .dropdown-content a:hover {
            background-color: rgba(255, 255, 255, 0.10);
        }
        .dropdown:hover .dropdown-content { display: block; }

        /* Improve iPad portrait spacing */
        @media (max-width: 1024px) and (orientation: portrait) {
            .toolbar { top: 12px; right: 8px; padding: 8px; border-radius: 6px; }
            .toolbar button { margin: 4px; padding: 8px; }
        }
        .catalog-info {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(0, 0, 0, 0.7);
            padding: 10px;
            border-radius: 8px;
            color: white;
            font-family: 'Raleway', sans-serif;
            font-size: 12px;
            max-width: 300px;
            z-index: 1000;
            display: none;
        }

        /* FITS Header Modal Styles */
        .modal {
            display: none; /* Hidden by default */
            position: fixed; /* Stay in place */
            /* Must be above multi-panel grid (z-index ~3000) */
            z-index: 65030; /* Sit on top */
            left: 0;
            top: 0;
            width: 100%; /* Full width */
            height: 100%; /* Full height */
            overflow: auto; /* Enable scroll if needed */
            background-color: rgba(0,0,0,0.6); /* Black w/ opacity */
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
        }

        .modal-content {
            background-color: #1e1e1e; /* Dark background */
            color: #f1f1f1; /* Light text */
            margin: 5% auto; /* 10% from the top and centered */
            padding: 25px;
            border: 1px solid #555;
            width: 70%; /* Could be more or less, depending on screen size */
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.4);
            font-family: 'Courier New', Courier, monospace; /* Monospaced font for header */
            max-height: 80vh; /* Limit height */
            display: flex;
            flex-direction: column;
        }

        .modal-content h2 {
             margin-top: 0;
             color: #e0e0e0;
             font-family: 'Raleway', sans-serif;
             border-bottom: 1px solid #444;
             padding-bottom: 10px;
             margin-bottom: 15px;
             font-weight: 500;
             font-size: 1.4em;
        }

        #fits-header-search {
            width: calc(100% - 22px); /* Full width minus padding */
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #555;
            border-radius: 4px;
            background-color: #333;
            color: #f1f1f1;
            font-size: 1em;
        }
        
        #fits-header-table-container {
             overflow-y: auto; /* Scrollable area for table */
             flex-grow: 1; /* Takes remaining space */
             background-color: #282828; /* Slightly different background */
             padding: 10px;
             border-radius: 4px;
             border: 1px solid #444;
        }

        #fits-header-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9em;
        }

        #fits-header-table th, #fits-header-table td {
            text-align: left;
            padding: 6px 8px;
            border-bottom: 1px solid #444;
        }

        #fits-header-table th {
             background-color: #3a3a3a;
             font-weight: bold;
             position: sticky;
             top: 0; /* Stick header to top */
        }

        #fits-header-table tr:last-child td {
             border-bottom: none;
        }

        #fits-header-table tr:hover {
             background-color: #3f3f3f;
        }

        #fits-header-table .header-key {
             font-weight: bold;
             color: #a7d7ff; /* Light blue for keys */
             min-width: 100px;
        }
        
        #fits-header-table .header-value {
            color: #f0f0f0;
            word-break: break-all; /* Break long values */
        }
        
        #fits-header-table .header-comment {
            color: #9e9e9e; /* Grey for comments */
            font-style: italic;
        }
        
        /* Highlight for search results */
        .highlight {
             background-color: rgba(255, 255, 0, 0.3);
             font-weight: bold;
        }

        .close-button {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            position: absolute;
            top: 10px;
            right: 20px;
            cursor: pointer;
        }

        .close-button:hover,
        .close-button:focus {
            color: #fff;
            text-decoration: none;
        }

        /* Fix for CodeMirror autocomplete z-index */
        .CodeMirror-hints {
            z-index: 300001 !important; /* Keep above all overlays/toolbars/popups */
        }

        /* Styles for Local Coding Panel */
        /* Local Coding panel layout and animation */
        #dynamic-local-coding-panel { 
            position: fixed; 
            top: 0; 
            right: -600px; /* hidden off-screen by default */
            height: 100vh; 
            width: 600px; 
            background-color: rgba(20,20,20,0.95);
            color: #fff;
            padding: 15px; 
            box-sizing: border-box; 
            z-index: 4001; 
            font-family: monospace; 
            display: flex; 
            flex-direction: column; 
            transition: right 0.3s ease-in-out;
        }
        #dynamic-local-coding-panel.open { right: 0; }
        #dynamic-local-coding-panel .coding-panel-button { cursor: pointer; }
        .coding-panel-button {
            background-color: #444;
            color: white;
            border: 1px solid #666;
            padding: 5px 10px;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .coding-panel-button:hover {
            background-color: #555;
        }

        .coding-panel-button:disabled {
            background-color: #222;
            color: #777;
            cursor: not-allowed;
        }
        
        .play-icon svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        .button-loader {
            border: 2px solid #f3f3f3;
            border-top: 2px solid #555;
            border-radius: 50%;
            width: 14px;
            height: 14px;
            animation: spin 1s linear infinite;
            margin-right: 8px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .stop-icon svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        /* Fade-out animation for modal */
        @keyframes fadeOutModal {
            from { opacity: 1; transform: translateY(0); }
            to { opacity: 0; transform: translateY(-20px); }
        }

        .modal.fade-out {
            animation: fadeOutModal 0.3s ease-out forwards;
        }

/* ---------------- HDU opener popup ---------------- */
#hdu-selector-popup.tm-hdu-popup{
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Raleway', sans-serif;
}
.tm-hdu-backdrop{
    position: absolute;
    inset: 0;
    /* Match Peak Finder modal vibe (simple dark backdrop) */
    background: rgba(0,0,0,0.70);
}
.tm-hdu-window{
    position: relative;
    width: min(1180px, calc(100vw - 32px));
    height: min(780px, calc(100vh - 32px));
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    border: 1px solid #555;
    background: #333;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}
.tm-hdu-header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid #555;
}
.tm-hdu-titlewrap{display:flex; flex-direction:column; gap:2px; min-width: 0;}
.tm-hdu-title{
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tm-hdu-subtitle{
    font-size: 12px;
    color: #aaa;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tm-hdu-close{
    width: 24px;
    height: 24px;
    border-radius: 12px;
    border: none;
    background: transparent;
    color: #aaa;
    font-size: 20px;
    line-height: 0;
    cursor: pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    transition: background 150ms ease, color 150ms ease;
}
.tm-hdu-close:hover{
    background: #555;
    color: #fff;
}
.tm-hdu-layout{
    flex: 1;
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 0;
    min-height: 0;
}
.tm-hdu-stage{
    position: relative;
    min-height: 0;
    border-right: 1px solid #555;
    overflow: hidden;
    background: #2a2a2a;
    transform-style: preserve-3d;
}
.tm-hdu-stage::before{
    display: none;
}
@keyframes tmStarsDrift{
    0%{ transform: translate3d(0,0,0) scale(1.02); opacity: 0.45; }
    50%{ opacity: 0.65; }
    100%{ transform: translate3d(-28px, 18px, 0) scale(1.02); opacity: 0.45; }
}
.tm-hdu-stack{
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
    transform-style: preserve-3d;
    padding: 26px 22px 74px;
    box-sizing: border-box;
    /* Reference look is mostly 2D stacked sheets */
    transform: none;
}
.tm-hdu-stack.tm-hdu-stack--switch .tm-hdu-card{
    transition-timing-function: cubic-bezier(0.16, 0.84, 0.18, 1);
}
.tm-hdu-stack.tm-hdu-stack--switch .tm-hdu-card.is-active{
    box-shadow: 0 28px 92px rgba(0,0,0,0.75), 0 0 0 1px rgba(95,165,255,0.42) inset;
}
.tm-hdu-card{
    position: absolute;
    width: min(640px, calc(100% - 40px));
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.14);
    box-shadow: 0 18px 60px rgba(0,0,0,0.55);
    background: rgba(0,0,0,0.35);
    transform-style: preserve-3d;
    cursor: pointer;
    transition: transform 420ms cubic-bezier(0.16, 0.84, 0.18, 1), filter 420ms ease, opacity 420ms ease, box-shadow 420ms ease, border-color 420ms ease;
    will-change: transform, filter, opacity;
}
.tm-hdu-card.is-peek{
    /* Only show the top strip of the sheet behind */
    clip-path: inset(0 0 calc(100% - var(--tm-peek, 56px)) 0 round 16px);
    background: rgba(0,0,0,0.18);
    border-color: rgba(255,255,255,0.22);
    box-shadow: 0 14px 34px rgba(0,0,0,0.30);
}
.tm-hdu-card.is-peek:hover{
    /* Show a bit more of the previous card on hover */
    --tm-peek: 120px;
    box-shadow: 0 18px 46px rgba(0,0,0,0.38);
}
.tm-hdu-card.is-peek.is-peek-hover{
    /* JS-driven hover state (more reliable than :hover with clipped strips) */
    box-shadow: 0 22px 56px rgba(0,0,0,0.45);
    border-color: rgba(255,255,255,0.32);
}
.tm-hdu-card.is-peek .tm-hdu-cardpreview{
    /* Show preview in the strip (user requested preview, not solid color) */
    opacity: 0.92;
}
.tm-hdu-card.is-peek .tm-hdu-preview-loading{
    display: none !important;
}
.tm-hdu-card.is-peek .tm-hdu-cardoverylay{
    opacity: 0;
}
.tm-hdu-card.is-active{
    border-color: rgba(95,165,255,0.55);
    box-shadow: 0 24px 78px rgba(0,0,0,0.72), 0 0 0 1px rgba(95,165,255,0.35) inset;
}
.tm-hdu-cardpreview{ position:absolute; inset:0; }
.tm-hdu-peeklabel{
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1px;
    color: rgba(255,255,255,0.92);
    background: rgba(0,0,0,0.56);
    border: 1px solid rgba(255,255,255,0.16);
    box-shadow: 0 14px 34px rgba(0,0,0,0.38);
    display: none;
    pointer-events: none;
    max-width: calc(100% - 24px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 5;
}
.tm-hdu-card.is-peek.is-peek-hover .tm-hdu-peeklabel{
    display: inline-flex;
}
.tm-hdu-cardstatus{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1px;
    color: rgba(255,255,255,0.92);
    background: rgba(0,0,0,0.58);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 18px 44px rgba(0,0,0,0.45);
    display: none;
    pointer-events: none;
    text-align: center;
}
.tm-hdu-cardstatus.is-visible{ display: inline-flex; }
.tm-hdu-preview-loading{
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: radial-gradient(420px 260px at 50% 55%, rgba(0,0,0,0.35), rgba(0,0,0,0.10));
    pointer-events: none;
}
.tm-hdu-preview-empty{
    display: none;
    margin-top: 12px;
    font-size: 12px;
    color: rgba(255,255,255,0.80);
    text-shadow: 0 2px 10px rgba(0,0,0,0.55);
}
.tm-hdu-preview-empty.is-visible{
    display: block;
}
.tm-hdu-preview-loading.is-visible{
    display: flex;
}
.tm-hdu-spinner{
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background:
      conic-gradient(from 0deg, rgba(95,165,255,0.95), rgba(95,165,255,0.10), rgba(95,165,255,0.95));
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 0);
    mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 0);
    box-shadow: 0 10px 26px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.12) inset;
    animation: tmHduSpin 900ms linear infinite;
}
@keyframes tmHduSpin{
    to { transform: rotate(360deg); }
}
.tm-hdu-cardimg{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.02);
    opacity: 0.95;
    filter: contrast(1.05) brightness(0.92);
}
.tm-hdu-cardimg.is-error{
    opacity: 0;
}
.tm-hdu-cardoverylay{
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 6px;
    padding: 14px 14px 12px;
    background:
      linear-gradient(to top, rgba(0,0,0,0.70), rgba(0,0,0,0.28) 55%, rgba(0,0,0,0.12));
}
.tm-hdu-cardtitle{
    color: rgba(255,255,255,0.95);
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 2px 10px rgba(0,0,0,0.65);
}
.tm-hdu-cardmeta{
    color: rgba(255,255,255,0.78);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 2px 10px rgba(0,0,0,0.55);
}
.tm-hdu-side{
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: #2a2a2a;
}
.tm-hdu-searchwrap{
    padding: 12px 12px 10px;
    border-bottom: 1px solid #555;
}
.tm-hdu-search{
    width: 100%;
    box-sizing: border-box;
    border-radius: 12px;
    padding: 10px 12px;
    border: 1px solid #555;
    background: #444;
    color: #fff;
    outline: none;
    transition: border-color 150ms ease, background 150ms ease;
}
.tm-hdu-search:focus{
    border-color: #777;
    background: #444;
}
.tm-hdu-list{
    padding: 10px;
    overflow: auto;
    min-height: 0;
}
.tm-hdu-listitem{
    padding: 10px 10px;
    border-radius: 12px;
    border: 1px solid #555;
    background: #333;
    cursor: pointer;
    transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
    margin-bottom: 10px;
    outline: none;
}
.tm-hdu-listitem:hover{
    transform: translateY(-1px);
    background: #3a3a3a;
    border-color: #666;
}
.tm-hdu-listitem.is-active{
    background: #444;
    border-color: #777;
}
.tm-hdu-listtop{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}
.tm-hdu-listlabel{
    color: rgba(255,255,255,0.92);
    font-weight: 700;
    font-size: 12.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tm-hdu-listmeta{
    color: rgba(255,255,255,0.72);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tm-hdu-badge{
    flex: 0 0 auto;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: rgba(255,255,255,0.92);
    background: rgba(76, 175, 80, 0.65);
    border: 1px solid rgba(255,255,255,0.14);
}
.tm-hdu-empty{
    color: rgba(255,255,255,0.70);
    padding: 14px 10px;
}
.tm-hdu-footer{
    padding: 12px 12px 14px;
    border-top: 1px solid #555;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}
.tm-hdu-btn{
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid #555;
    background: #444;
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, opacity 140ms ease;
}
.tm-hdu-btn:hover{
    transform: translateY(-1px);
    background: #555;
    border-color: #777;
}
.tm-hdu-btn:disabled{
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}
.tm-hdu-btn--cancel{
    background: #444;
    border-color: #555;
}
.tm-hdu-btn--primary{
    background: #444;
    border-color: #555;
}
.tm-hdu-btn--primary:hover{
    background: #555;
    border-color: #777;
}

@media (max-width: 980px){
    .tm-hdu-window{ height: min(820px, calc(100vh - 20px)); }
    .tm-hdu-layout{ grid-template-columns: 1fr; }
    .tm-hdu-stage{ border-right: none; border-bottom: 1px solid rgba(255,255,255,0.10); }
    .tm-hdu-card{ width: min(680px, calc(100% - 34px)); }
}
@media (prefers-reduced-motion: reduce){
    .tm-hdu-card, .tm-hdu-close, .tm-hdu-btn, .tm-hdu-listitem{ transition: none !important; }
    .tm-hdu-stage::before{ animation: none !important; }
}