*, *::before, *::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

.playlist {
    display: flex;
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 10px 40px 0px 0px;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    font-size: 16px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: #222;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    overflow: auto;
    color: #444444;
    display: flex;
    flex-direction: column;
    scroll-padding-top: 10%;
}

body.dragging-slider {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

body h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    font-weight: bold;
    color: #000000;
    margin: 0;
    text-align: left;
}

body h2 {
    font-size: 2rem;
    line-height: 1.3;
    font-weight: bold;
    color: #000000;
}

body a {
    color: #000000;
    text-decoration: none;
}

body a:hover {
    text-decoration: underline;
}

body p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
}

body h1 {
    margin: 0;
}

body ul {
    list-style: none;
    padding: 0;
}

body .container {
    display: flex;
    max-width: 980px;
    margin: 20px 0 20px;
    padding: 0;
    align-items: center;
}

body main .container {
    padding: 0 30px;
    align-items: flex-start;
}

.container-custom {
    align-items: flex-start;
}

.container-custom.border-top {
    border-top: 1px solid #000000 !important;
}

/* .js-enabled .fade-in {
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 1s ease-out, transform 1s ease-out;
} */

body main {
    transition: padding-top 0.3s ease-in-out;
}

body main .container audio {
    width: 40px;
}

body main .container img {
    width: 100%;
}

body main .container .table-container {
    width: 100%;
    overflow-x: auto;
}

body main .container .table-container table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
    text-align: left;
    min-width: 400px;
}

body main .container .table-container th, td {
    padding: 12px;
    border: 1px solid #ddd;
}

body main .container .table-container th {
    background-color: #f4f4f4;
}

body main .container .table-container tr:nth-child(even) {
    background-color: #f9f9f9;
}

body main .container .table-container tr:hover {
    background-color: #f1f1f1;
}

body header {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    padding: 10px 30px;
    background: white;
    z-index: 9999;
    box-sizing: border-box;
}

body header.sticky {
    position: sticky;
}

body header.sticky .container{
    margin: 16px auto 0;
}

body header .container {
    max-width: 980px;
    margin: 140px auto 60px;
    padding: 0;
    justify-content: space-between;
    align-items: center !important;
}

/* Custom header alignment to override Bootstrap */
.header-custom {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    text-align: left !important;
}

.header-custom h1 {
    text-align: left !important;
    margin: 0;
}

.header-nav-custom {
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    align-self: center !important;
}

body header .container nav {
    display: flex !important;
    align-items: center !important;
    align-self: center !important;
    margin: 0 !important;
}

body header .container .links {
    display: flex !important;
    gap: 20px;
    align-items: center !important;
    margin: 0 !important;
}

body header .container .links li {
    display: flex !important;
    align-items: center !important;
    gap: 5px;
}

body header .container .links img {
    height: 16px;
}

body header .container .links a {
    font-size: 1rem;
}

body header .container .links li.link-disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

body header .container .links li.link-disabled img {
    filter: grayscale(100%);
}

body .sub-header {
    padding: 0 30px;
    width: 100%;
    box-sizing: border-box;
}


body .sub-header .container {
    flex-direction: column;
    align-items: flex-start;
    max-width: 980px;
    padding: 20px 0 24px;
    margin: 0 auto;
}

body .sub-header .container p:not(:last-child) {
    margin-bottom: 0.1rem;
}

body .sub-header .container p:last-child {
    margin-bottom: 0;
}

body .sub-header .container .links {
    margin-bottom: 0.25rem;
}

body .sub-header .container nav p {
    margin-top: 0;
    margin-bottom: 0;
}

body .sub-header .container > div:last-child {
    margin-top: 1.5rem;
}

body .sub-header .container .links {
    display: flex;
    flex-wrap: wrap;
    overflow-x: auto;
    white-space: nowrap;
    gap: 5px;
}

body .sub-header .container .links li {
    display: inline; /* Keep list items in a row */
}

body .sub-header .container .links li:not(:last-child)::after {
    content: ',\00a0';
}

/* Optional: Hide scrollbar but allow scrolling */
body .sub-header .container .links::-webkit-scrollbar {
    display: none;
}

body main {
    display: flex;
    flex-direction: column;
    margin: 0;
    flex: 1;
}

.main-section {
    padding: 0 30px;
    width: 100%;
    box-sizing: border-box;
}

.container-custom {
    flex-direction: column;
    align-items: flex-start;
    max-width: 980px;
    padding: 30px 0;
    margin: 0 auto;
}

.container-custom.border-top {
    border-top: 1px solid #000000;
}

.container-custom:first-child {
    padding: 30px 0;
}

.main-section:first-child .container-custom {
    padding: 24px 0 30px;
}

body main .container:first-child {
    padding: 0 0 60px;
}

body main .container:not(:first-child) {
    border-top: 1px solid #000000;
}

body main .container p:last-child {
    margin-bottom: 0;
}

body main .container pre {
    background-color: #f5f5f5;
    padding: 20px;
    overflow-x: auto;
    display: block;
    white-space: pre-wrap;
    max-width: 100%;
}

body footer {
    margin: 0 auto;
    padding: 0 30px;
    width: 100%;
    box-sizing: border-box;
}

body footer .container {
    border-top: 1px solid #000000;
    padding: 60px 0;
    margin: 0 auto;
    max-width: 980px;
}

@media (max-width: 768px) {
    body header {
        padding-left: 15px;
        padding-right: 15px;
    }

    body header .container {
        flex-direction: column;
        align-items: flex-start !important;
        margin: 10px auto 20px;
    }

    .header-custom {
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    body header h1 {
        margin-bottom: 30px !important;
    }

    body header .container nav {
        width: 100%;
        align-self: flex-start;
    }

    .header-nav-custom {
        width: 100%;
        align-self: flex-start !important;
    }

    body .sub-header {
        padding-left: 15px;
        padding-right: 15px;
    }

    body .sub-header .container {
        padding: 20px 0;
        margin: 0 auto;
    }

    body header .container .links {
        padding: 0;
        justify-content: flex-start;
        width: 100%;
    }

    .main-section {
        padding-left: 15px;
        padding-right: 15px;
    }

    .container-custom {
        padding: 10px 0;
    }

    .container-custom:first-child {
        padding: 0 0 10px 0;
    }

    body main .container .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    body footer .container {
        padding: 20px 0;
        margin: 0;
    }
}


/* Global wrapper to center all page text/content */
.page-container {
    max-width: 800px;   /* adjust for taste: 800–1200px is common */
    margin: 0 auto;      /* centers horizontally */
    padding: 0 20px;     /* breathing room at the edges */
}

/* Make text easier to read */
.page-container p,
.page-container ol,
.page-container ul {
    line-height: 1.6;
    max-width: 70ch;     /* keeps text lines ~70 characters wide */
    margin: 0 auto 1em;  /* center paragraphs and add spacing */
    text-align: left;    /* or justify if you prefer blocky edges */
}

.header {
    margin-bottom: 20px;
    padding: 20px;
    background: none;  /* white;  */
    border-radius: 0;   /* 8px;  */
    box-shadow: none;  /* 0 2px 4px rgba(0,0,0,0.1);  */
}

/*.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 12px 24px;
    font-size: 16px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-button.active {
    background: #007bff;
    color: white;
    border-color: #0056b3;
}

.tab-button:hover {
    background: #0056b3;
    color: white;
}*/

.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    padding: 10px 0;
}

.tab-button {
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    background: #f0f0f0;     /* subtle background for inactive */
    border: none;
    border-radius: 20px;     /* pill shape */
    cursor: pointer;
    color: #444;
    transition: all 0.3s ease;
}

.tab-button:hover {
    background: #e0e0e0;
    color: #000;
}

.tab-button.active {
    background: #007bff;     /* accent for active */
    color: #fff;
    font-weight: 600;
}

.tab-content {
    margin-top: 20px;  /* extra space below the tab bar */
}


.video-grid {
    display: grid;
    /* Adjust columns based on screen size */
    grid-template-columns: repeat(auto-fill, minmax(256px, 1fr));
    gap: 20px;
    padding: 20px;
}

.video-container {
    background: white;
    border-radius: 0;  /* 8px; */
    overflow: hidden;
    box-shadow: none;  /* 0 2px 4px rgba(0,0,0,0.1); */
    transition: transform 0.2s;
}

.video-container:hover {
    transform: translateY(-2px); 
    box-shadow: none;  /* 0 4px 8px rgba(0,0,0,0.2); */
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 aspect ratio */
    background: none;  /* #eee; */ 
    cursor: pointer;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain; /* Maintain aspect ratio */
    background: none;  /* #000; */
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}



.video-wrapper:hover .play-overlay {
    opacity: 1;
}


.play-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-icon:before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent white;
    margin-left: 4px;
}

.video-info {
    padding: 12px;
}

.video-title {
    margin: 0;
    font-size: 14px;
    color: #333;
    word-break: break-all;
}

.load-more {
    display: block;
    margin: 20px auto;
    padding: 12px 24px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.load-more:hover {
    background: none;  /* #0056b3;  */ 
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Add new styles for triplets */
.triplet-container {
    background: none;  /* white; */
    border-radius: 0;  /* 8px; */ 
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: none;  /* 0 2px 4px rgba(0,0,0,0.1); */
}

.triplet-videos {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.triplet-video-wrapper {
    flex: 1;
    position: relative;
    width: calc(33.33% - 10px);
}

.triplet-video-wrapper video {
    width: 100%;
    background: none;  /* #000; */
    border-radius: 0;  /* 4px; */
}

.method-label {
    text-align: center;
    font-weight: bold;
    margin-top: 5px;
    font-size: 14px;
}

.uid-label {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

/*#set1 .video-grid {
    display: block;
    max-width: 1450px;
    margin: 0 auto;
}*/

#set1 .video-grid {
    display: flex;              /* stack triplets vertically */
    flex-direction: column;
    align-items: center;         /* center each triplet horizontally */
    gap: 20px;
}

/* Make each triplet as wide as its videos and center it */
#set1 .triplet-container {
    width: fit-content;          /* shrink-wrap to content */
    margin: 20px auto;           /* center the container */
    background: none;  /* white; */          /* optional: match other cards */
}

/* Center the content inside the triplet */
#set1 .content-wrapper {
    justify-content: center;     /* center the inner row */
}

/* Center the three videos and allow wrap on small screens */
#set1 .triplet-videos {
    justify-content: center;
    flex-wrap: wrap;             /* so they wrap nicely on narrow viewports */
}

/* Optional: center the UID label too */
#set1 .uid-label {
    text-align: center;
}


#set2 .video-grid {
    display: flex;              /* stack triplets vertically */
    flex-direction: column;
    align-items: center;         /* center each triplet horizontally */
    gap: 20px;
}

/* Make each triplet as wide as its videos and center it */
#set2 .triplet-container {
    width: fit-content;          /* shrink-wrap to content */
    margin: 20px auto;           /* center the container */
    background: none;  /* white; */          /* optional: match other cards */
}

/* Center the content inside the triplet */
#set2 .content-wrapper {
    justify-content: center;     /* center the inner row */
}

/* Center the three videos and allow wrap on small screens */
#set2 .triplet-videos {
    justify-content: center;
    flex-wrap: wrap;             /* so they wrap nicely on narrow viewports */
}

/* Optional: center the UID label too */
#set2 .uid-label {
    text-align: center;
}



.triplet-container {
    margin: 20px;
    padding: 20px;
    background: none;  /* #f5f5f5; */
    border-radius: 0;  /* 8px; */
}
.content-wrapper {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    justify-content: center;
}
.input-image-wrapper, .triplet-video-wrapper {
    position: relative;
    width: 256px;  /* Fixed width for all containers */
    flex-shrink: 0;
}
.input-image-wrapper img {
    width: 100%;
    height: 256px;  /* Fixed height to match width */
    object-fit: contain;
    background: #000;
    border-radius: 4px;
    display: block;
}
.triplet-videos {
    display: flex;
    gap: 20px;
}
.triplet-video-wrapper video {
    width: 100%;
    height: 256px;  /* Fixed height to match width */
    object-fit: contain;
    background: none;  /* #000; */
    border-radius: 0;  /* 4px; */
    display: block;
}
.method-label {
    margin-top: 8px;
    text-align: center;
    font-weight: bold;
}


/* Add these styles in the same section where other video-related CSS is defined */
.quadruplet-container {
    margin: 20px;
    padding: 20px;
    background: none;  /* #f5f5f5; */
    border-radius: 0;  /* 8px; */
}

.quadruplet-videos {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.quadruplet-video-wrapper {
    flex: 1;
    position: relative;
    width: calc(25% - 12px); /* Account for gap */
}

.quadruplet-video-wrapper video {
    width: 100%;
    height: 256px;  /* Fixed height to match width */
    display: block;
}
.quad-img-wrapper {
    position: relative;
    width: 100%; /* Account for gap */
    height: 256px;
    display: block;
    position: relative;
}
.quad-img-wrapper > img {
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%; /* Optional: for horizontal centering as well */
    transform: translate(-50%, -50%); /* Adjusts for the image's own dimensions */
}

/* Match the styling of other video sets */
#set3 .video-grid {
    display: block;
    max-width: 1500px;
    margin: 0 auto;
}
#set3 .content-wrapper {
    justify-content: center;     /* center the inner row */
}

/* ============ Slider Comparison Styles ============ */

/* Snapshot Container */
.snapshot-container {
    position: relative;
    margin: 30px 0;
}

.snapshot-scroll-wrapper {
    /* Bootstrap handles flex: flex-grow-1 overflow-hidden */
}

.snapshot-row {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.snapshot-row::-webkit-scrollbar {
    height: 6px;
}

.snapshot-row::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.snapshot-row::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.snapshot-row::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.snapshot-item {
    min-width: 150px;
    max-width: 150px;
    height: 150px;
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f5f5f5;
    flex-shrink: 0;
}

.snapshot-item:hover {
    border-color: #007bff;
    transform: scale(1.05);
}

.snapshot-item.active {
    border-color: #0056b3;
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
}

.snapshot-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.snapshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Snapshot Navigation Buttons */
.snapshot-nav-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #5a6268;
    background: #6c757d;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    color: white;
}

.snapshot-nav-btn:hover {
    background: #adb5bd;
    border-color: #adb5bd;
    transform: translateY(-1px);
}

.snapshot-nav-btn:active {
    background: #868e96;
    transform: translateY(0);
}

/* Comparison Container */
.comparison-container {
    margin: 40px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Dual Comparison Container - Side by Side */
.dual-comparison-container {
    display: flex;
    gap: 30px;
    margin: 40px 0;
    justify-content: center;
    flex-wrap: wrap;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Simple Video Container for Side-by-Side Layout */
.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: #000;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.gen-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: #f5f5f5;
}

.gen-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.video-caption {
    text-align: center;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.asset-link {
    text-align: center;
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
}

.video-container .video-label {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    z-index: 10;
    pointer-events: none;
    user-select: none;
}

.comparison-wrapper {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: flex-start;
}

/* Video Comparison Slider */
.video-comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: #000;
    cursor: ew-resize;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.comparison-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.comparison-video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.video-label {
    position: absolute;
    top: 20px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    z-index: 10;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.ours-video .video-label {
    left: 20px;
}

.compare-video .video-label {
    right: 20px;
}

/* Slider Handle */
.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    transform: translateX(-50%);
    cursor: ew-resize;
    z-index: 20;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: white;
    transform: translateX(-50%);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: white;
    border: 2px solid #007bff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-button::before,
.slider-button::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-style: solid;
    border-width: 0 2px 2px 0;
}

.slider-button::before {
    left: 10px;
    transform: rotate(135deg);
}

.slider-button::after {
    right: 10px;
    transform: rotate(-45deg);
}

/* UID Display */
.comparison-uid {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    padding: 10px;
    margin-bottom: 20px;
}

/* Video Control Buttons */
.video-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.play-pause-btn {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.play-pause-btn:hover {
    opacity: 0.7;
}

.play-pause-btn svg {
    display: block;
}

.video-progress-bar {
    flex: 1;
    min-width: 200px;
    max-width: 600px;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #e9ecef;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.video-progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #6c757d;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.video-progress-bar::-webkit-slider-thumb:hover {
    background: #495057;
}

.video-progress-bar::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #6c757d;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.video-progress-bar::-moz-range-thumb:hover {
    background: #495057;
}

.control-btn {
    min-width: 120px;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 500;
    color: white;
    background-color: #6c757d;
    border: 1px solid #5a6268;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background-color: #adb5bd;
    border-color: #adb5bd;
    transform: translateY(-1px);
}

.control-btn:active {
    background-color: #868e96;
    transform: translateY(0);
}

/* Generation Comparison Container */
.gen-comparison-container {
    display: flex;
    gap: 30px;
    margin: 40px 0;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.gen-image-wrapper {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: flex-start;
}

.gen-image-wrapper img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 8px;
    background: #f5f5f5;
}

.gen-image-label {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    text-align: center;
}

/* Responsive Design - Let Bootstrap handle most responsive behavior */
@media (max-width: 970px) {
    .snapshot-item {
        min-width: 100px;
        max-width: 100px;
        height: 100px;
    }

    .snapshot-row {
        gap: 10px;
    }

    .video-label {
        font-size: 12px;
        padding: 6px 12px;
        top: 10px;
    }

    .ours-video .video-label {
        left: 10px;
    }

    .compare-video .video-label {
        right: 10px;
    }

    .slider-button {
        width: 30px;
        height: 30px;
    }

    .snapshot-nav-btn {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }

    .comparison-uid {
        font-size: 12px;
    }
}

/* ============ Gaussian Gallery Styles ============ */
.gaussian-gallery {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.gaussian-gallery::-webkit-scrollbar {
    height: 6px;
}

.gaussian-gallery::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.gaussian-gallery::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.gaussian-gallery::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.gaussian-item {
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #f5f5f5;
    min-width: 280px;
    max-width: 280px;
    flex-shrink: 0;
}

.gaussian-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.gaussian-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}

.gaussian-caption {
    padding: 12px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    background: white;
}

@media (max-width: 640px) {
    .gaussian-item {
        min-width: 200px;
        max-width: 200px;
    }
}