/* Frosted glass design tokens */
:root {
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-bg-strong: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-border-width: 1px;
    --glass-radius: 16px;
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    --glass-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.11);
    --glass-blur: blur(16px) saturate(100%);
    --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    --section-max-width: 960px;
    --content-max-width: 800px;
    --avatar-tile-radius: 8px;
    --avatar-tile-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 2px 5px rgba(0, 0, 0, 0.08);
    --avatar-tile-shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.45), 0 20px 40px rgba(0, 0, 0, 0.72);
    --text-primary: #333;
    --text-secondary: #555;
    --accent: #1e88e5;
    --accent-hover: #1565c0;
    --page-bg-top: #f0f0f0;
    --page-bg-bottom: #dcdcdc;
    --page-bg: linear-gradient(180deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 100%);
}

.dark-mode {
    --glass-bg: rgba(38, 38, 38, 0.62);
    --glass-bg-strong: rgba(48, 48, 48, 0.78);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    --glass-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
    --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --accent: #64b5f6;
    --accent-hover: #90caf9;
    --page-bg-top: #1e1e1e;
    --page-bg-bottom: #141414;
    --page-bg: linear-gradient(180deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 100%);
    --avatar-tile-shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.55), 0 20px 40px rgba(0, 0, 0, 0.85);
    --avatar-tile-shadow: 0 1px 3px rgba(0, 0, 0, 0.18), 0 2px 5px rgba(0, 0, 0, 0.12);
}

/* Paper craft: warm sheet, ink, and a lifted print shadow */
html.style-paper,
body.style-paper {
    --glass-bg: rgba(247, 241, 230, 0.94);
    --glass-bg-strong: #fbf6ec;
    --glass-border: rgba(72, 48, 26, 0.16);
    --glass-border-width: 1px;
    --glass-radius: 3px;
    --glass-shadow: 0 1px 0 rgba(255, 252, 246, 0.9), 0 14px 32px rgba(72, 46, 18, 0.08);
    --glass-shadow-hover: 0 18px 36px rgba(72, 46, 18, 0.14);
    --glass-blur: none;
    --glass-inset: inset 0 0 0 1px rgba(255, 252, 246, 0.72);
    --text-primary: #2a2218;
    --text-secondary: #5c4d3c;
    --accent: #8c3b24;
    --accent-hover: #6a2b16;
    --page-bg-top: #efe4d0;
    --page-bg-bottom: #e3d3b8;
    --page-bg: linear-gradient(180deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 100%);
    --avatar-tile-radius: 2px;
    --avatar-tile-shadow: 0 1px 2px rgba(62, 40, 18, 0.16);
    --avatar-tile-shadow-hover: 0 10px 22px rgba(62, 40, 18, 0.28);
    --font-body: "Source Serif 4", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
    --font-display: "Fraunces", "Iowan Old Style", Palatino, serif;
}

html.dark-mode.style-paper,
body.dark-mode.style-paper {
    --glass-bg: rgba(38, 32, 26, 0.94);
    --glass-bg-strong: #2c261f;
    --glass-border: rgba(243, 230, 208, 0.14);
    --glass-shadow: 0 16px 34px rgba(0, 0, 0, 0.38);
    --glass-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.5);
    --glass-inset: inset 0 0 0 1px rgba(255, 236, 210, 0.05);
    --text-primary: #f4ecdf;
    --text-secondary: #cbbba4;
    --accent: #e2a56a;
    --accent-hover: #f0c49a;
    --page-bg-top: #1c1814;
    --page-bg-bottom: #120f0c;
    --page-bg: linear-gradient(180deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 100%);
    --avatar-tile-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    --avatar-tile-shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.55);
}

/* General Styles */
* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    cursor: url('./Resources/common/PointingCursor.png') 1 1, auto;
}

/* Global active state for all elements */
*:active {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, auto;
}

/* Dragging state for all elements */
*:active:focus,
*:active:focus-visible,
*:active:focus-within {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, auto;
}

/* Override drag cursors for links and images */
a[draggable="true"],
img[draggable="true"],
a:active,
img:active {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, auto !important;
}

/* Prevent default drag behavior and use custom cursor */
a, img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* Ensure all interactive elements use PinchCursor */
button, input, select, textarea, [role="button"], [tabindex], a:hover {
    cursor: url('Resources/common/PinchCursor.png') 1 1, pointer;
}

button:active, input:active, select:active, textarea:active, [role="button"]:active, [tabindex]:active {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, pointer;
}

html {
    min-height: 100%;
    background-color: var(--page-bg-bottom);
}

html::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background: var(--page-bg);
    pointer-events: none;
}

body {
    position: relative;
}

#metaballs-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 1;
}

.dark-mode #metaballs-canvas {
    opacity: 0.68;
}

html, body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0 0 24px;
    color: var(--text-primary);
    line-height: 1.6;
    cursor: url('./Resources/common/PointingCursor.png') 1 1, auto;
    min-height: 100%;
    background: transparent;
    box-sizing: border-box;
}

body.homepage {
    padding-left: 16px;
    padding-right: 16px;
}

h1 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--text-primary);
    border-bottom: var(--glass-border-width) solid var(--glass-border);
    padding-bottom: 0.5rem;
}

/* Remove dividing line when h2 is immediately followed by media content */
h2:has(+ .project-grid),
h2:has(+ .image-container),
h2:has(+ .image-row),
h2:has(+ video),
h2:has(+ img) {
    border-bottom: none;
    padding-bottom: 0;
}

/* Dark mode: Remove dividing line when h2 is immediately followed by media content */
.dark-mode h2:has(+ .project-grid),
.dark-mode h2:has(+ .image-container),
.dark-mode h2:has(+ .image-row),
.dark-mode h2:has(+ video),
.dark-mode h2:has(+ img) {
    border-bottom: none !important;
    padding-bottom: 0 !important;
}



nav.top-nav {
    position: fixed;
    top: 20px;
    left: 20px;
    height: auto;
    width: auto;
    min-width: 148px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 10px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}


nav.top-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
}

nav.top-nav ul li {
    margin: 0;
    width: 100%;
    text-align: left;
}

nav.top-nav ul li a {
    display: block;
    text-decoration: none;
    text-align: left;
    color: var(--text-primary);
    font-weight: bold;
    transition: color 0.2s ease, background-color 0.2s ease;
    padding: 10px 14px;
    width: 100%;
    box-sizing: border-box;
    cursor: url('Resources/common/PinchCursor.png') 1 1, pointer;
    border-radius: 10px;
}

nav.top-nav ul li a:active {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, pointer;
}

nav.top-nav ul li a:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.06);
}

nav.top-nav ul li a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Combined Name, Avatar, and About Section */
#about {
    text-align: center;
    padding: 60px 24px;
    max-width: var(--section-max-width);
    margin: 20px auto 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}

.avatar-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    padding: 8px;
    width: 100%;
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    width: min(100%, 360px);
    height: auto;
    gap: 6px;
    border-radius: var(--glass-radius);
    overflow: visible;
    background: transparent;
    border: none;
    box-shadow: none;
}

/* Cap the grid at 36 tiles (6x6); extra tiles stay in the markup but are hidden */
.avatar-grid .avatar-tile-wrapper:nth-child(n + 37) {
    display: none;
}

.avatar-tile {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    cursor: url('./Resources/common/PointingCursor.png') 1 1, auto;
    transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    z-index: 1;
    border: none;
    border-radius: var(--avatar-tile-radius);
    display: block;
    box-shadow: var(--avatar-tile-shadow);
}

.avatar-tile:hover {
    transform: scale(2.4) translateZ(50px);
    z-index: 10;
    box-shadow: var(--avatar-tile-shadow-hover);
    border: none;
    border-radius: var(--avatar-tile-radius);
    cursor: url('./Resources/common/PointingCursor.png') 1 1, auto;
}

.avatar-tile:active {
    cursor: url('Resources/common/PinchedCursor.png') 8 4, grab;
}

/* Avatar tile wrapper for tooltip positioning */
.avatar-tile-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
}

/* Device tooltip styling */
.device-tooltip {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 8px;
    border: var(--glass-border-width) solid var(--glass-border);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    z-index: 20;
    pointer-events: none;
    box-shadow: var(--glass-shadow);
}

.device-tooltip::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid var(--glass-border);
}

.avatar-tile-wrapper:hover .device-tooltip {
    opacity: 1;
    visibility: visible;
    bottom: -60px;
    pointer-events: none;
}

.about-description {
    text-align: justify;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    color: var(--text-secondary);
}

/* Project Section */
#projects {
    padding: 60px 24px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
    max-width: var(--section-max-width);
    margin: 40px auto 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    width: 100%;
    max-width: var(--content-max-width);
    margin-inline: auto;
}
.project video {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    object-position: center center;
    z-index: 0;
    cursor: inherit;
    pointer-events: none;
}

/* Landscape clips in square tiles — slight zoom + vertical framing */
.project:has(source[src*="Geometria"]) video {
    object-position: center 40%;
    transform: translate(-50%, -50%) scale(1.12);
}

.project:has(source[src*="MRshooting"]) video,
.project:has(source[src*="Structuralism"]) video {
    object-position: center 42%;
    transform: translate(-50%, -50%) scale(1.14);
}

.project:has(source[src*="FOVpreview"]) video {
    transform: translate(-50%, -50%) scale(1.04);
}

.project:has(source[src*="tutorialVideo"]) video {
    object-position: center 38%;
    transform: translate(-50%, -50%) scale(1.08);
}

.project:has(source[src*="OpenBrush"]) video,
.project:has(source[src*="Mechanical"]) video,
.project:has(source[src*="Muzuo"]) video,
.project:has(source[src*="CityMemo"]) video {
    transform: translate(-50%, -50%) scale(1.03);
}

.project:not(:has(video)) {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}
.project {
    position: relative;
    background-size: cover;
    background-position: center;
    width: 100%;
    padding-bottom: 0;
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    text-decoration: none;
    color: inherit;
    display: block;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    aspect-ratio: 1 / 1;
    cursor: url('Resources/common/PinchCursor.png') 1 1, pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Landscape clips in square tiles — slight zoom + vertical framing */
.project:has(source[src*="VibeXRGallery"]) video {
    object-position: center 28%;
    transform: translate(-50%, -50%) scale(1.06);
}

.codepen-canvas-card {
    background:
        radial-gradient(circle at 18% 18%, rgba(255, 221, 64, 0.3), transparent 22%),
        radial-gradient(circle at 82% 72%, rgba(71, 207, 115, 0.26), transparent 28%),
        linear-gradient(135deg, #111 0%, #1f2933 50%, #080808 100%);
}

.codepen-canvas-preview {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.codepen-canvas-preview::before {
    content: '</>';
    position: absolute;
    left: 10%;
    top: 10%;
    color: rgba(255, 255, 255, 0.12);
    font-family: Menlo, Consolas, monospace;
    font-size: 5.5rem;
    font-weight: 700;
    letter-spacing: 0;
}

.pen-window {
    position: absolute;
    display: block;
    width: 44%;
    height: 34%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.36);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.pen-window::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 9px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #ff5f56;
    box-shadow: 13px 0 #ffbd2e, 26px 0 #27c93f;
}

.pen-window-one {
    left: 10%;
    top: 18%;
    transform: rotate(-7deg);
}

.pen-window-two {
    right: 11%;
    top: 28%;
    border-color: rgba(71, 207, 115, 0.45);
    transform: rotate(6deg);
}

.pen-window-three {
    left: 24%;
    bottom: 16%;
    border-color: rgba(255, 221, 64, 0.42);
    transform: rotate(2deg);
}

.code-line {
    position: absolute;
    display: block;
    height: 3px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    z-index: 1;
}

.code-line-one {
    left: 17%;
    top: 40%;
    width: 26%;
}

.code-line-two {
    right: 17%;
    top: 51%;
    width: 30%;
    background: rgba(71, 207, 115, 0.78);
}

.code-line-three {
    left: 31%;
    bottom: 30%;
    width: 34%;
    background: rgba(255, 221, 64, 0.78);
}

.project:active {
    cursor: url('Resources/common/PinchedCursor.png') 1 1, pointer;
}

.project::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5)); /* Gradient overlay */
    pointer-events:none; /* Ensure the overlay doesn't interfere with text interaction */
    z-index: 1; /* Ensure the overlay is below the text */
    /* transition: opacity 0.3s ease;  Smooth transition for the overlay */
    opacity: 1; /* Fully visible by default */
}

.project:hover::before {
    opacity: 0; /* Hide the overlay on hover */
}

/* Hover Effect */
.project:hover {
    transform: scale(1.05);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border);
}

/* Invert color effect on hover for titles and subtitles */
.project:hover h3,
.project:hover p {
    mix-blend-mode: difference; /* Invert color effect to make titles and subtitles more apparent */
}

/* Adjusting the project title and description positioning */
.project h3 {
    font-size: 1.1rem;
    margin: 0;
    color: rgb(255, 255, 255); /* Title color */
    text-align: center;
    position: absolute; /* Positioning for titles */
    bottom: 32px; /* Positioning for titles */
    left: 0;
    right: 0;
    z-index: 1; /* Ensures text is on top */
    cursor: inherit;
    pointer-events: none;
}

.project p {
    font-size: 0.8rem;
    margin: 4px 0 0;
    color: white; /* Description color */
    text-align: center;
    position: absolute; /* Positioning for descriptions */
    bottom: 14px; /* Positioning for descriptions */
    left: 0;
    right: 0;
    z-index: 1; /* Ensures text is on top */
    cursor: inherit;
    pointer-events: none;
}

/* Publications Section */
#publications {
    padding: 60px 24px;
    text-align: left;
    max-width: var(--section-max-width);
    margin: 40px auto 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}

#publications p {
    text-align: center; /* Center the introductory paragraph */
    font-size: 1.2rem; /* Slightly larger font for the paragraph */
    margin-bottom: 40px; /* Add space below the paragraph */
}

#publications ul {
    list-style-type: none; /* Remove default list styling */
    padding: 0; /* Remove default padding */
    max-width: var(--content-max-width);
    margin-inline: auto;
    width: 100%;
    box-sizing: border-box;
}

#publications li {
    margin-bottom: 16px;
    padding: 14px 16px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--glass-radius);
    border: var(--glass-border-width) solid var(--glass-border);
    color: var(--text-secondary);
}

#publications li:last-child {
    margin-bottom: 0;
}

#publications strong {
    font-weight: bold; /* Ensure author names are bold */
}

#publications em {
    font-style: italic; /* Ensure publication sources are italicized */
}


/* Awards Section */
#awards {
    padding: 60px 24px;
    text-align: center;
    max-width: var(--section-max-width);
    margin: 40px auto 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}

#awards p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

#awards ul {
    list-style-type: none; /* Remove default list styling */
    padding: 0; /* Remove default padding */
    max-width: var(--content-max-width);
    margin-inline: auto;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
}

#awards li:last-child {
    border-bottom: none; /* Remove border from the last item */
}

#awards li {
    margin-bottom: 12px;
    padding: 12px 16px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    color: var(--text-secondary);
}

#awards strong {
    font-weight: bold;
    color: var(--text-primary);
}

/* Contact Section */
.social-media {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-width) solid var(--glass-border);
    padding: 12px;
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
    z-index: 1000;
    align-items: center;
}

.social-media a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: color 0.3s ease, transform 0.2s ease;
}

.social-media a:hover {
    color: var(--accent);
    transform: scale(1.15);
}


.image-container {
    position: relative;
    text-align: center;
    color: rgb(255, 255, 255);
}

.overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 92%;
    font-size: clamp(24px, 6vw, 64px);
    font-weight: bold;
    line-height: 1.15;
    text-wrap: balance;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
/* Footer */
footer {
    margin: 60px auto 24px;
    text-align: center;
    padding: 16px 24px;
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    position: relative;
    z-index: 0;
    color: var(--text-secondary);
}

footer p {
    margin: 0;
}

/* Store Cards (Homepage) */
.store-cards {
    margin: 20px auto 0;
    display: flex;
    gap: 12px;
    justify-content: center;
    width: 100%;
}

.store-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    text-decoration: none;
    color: inherit;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    width: 100%;
    box-shadow: var(--glass-inset);
}

.store-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border);
}

.store-card__icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: #000;
    color: #fff;
    border-radius: 10px;
}

.store-card__content {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.store-card__eyebrow {
    font-size: 11px;
    color: #666;
}

.store-card__title {
    font-size: 15px;
    font-weight: 600;
}

.store-card__meta {
    font-size: 11px;
    color: #888;
}

.dark-mode .store-card {
    background: var(--glass-bg-strong) !important;
    border-color: var(--glass-border) !important;
}

.dark-mode .store-card__eyebrow,
.dark-mode .store-card__meta {
    color: #aaa !important;
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        max-width: 480px;
    }

    .avatar-grid {
        gap: 4px;
        width: min(100%, 100%);
    }

    .avatar-tile:hover {
        transform: scale(2.2) translateZ(50px);
    }
}

@media (max-width: 480px) {
    .project-grid {
        grid-template-columns: 1fr; /* 1 project per line on very small screens */
    }

    .avatar-grid {
        gap: 3px;
    }

    .avatar-tile:hover {
        transform: scale(2) translateZ(50px);
    }

    .device-tooltip {
        font-size: 10px;
        padding: 4px 8px;
    }
}

/* Dark Mode Styles */
.dark-mode {
    color: var(--text-primary) !important;
}

.dark-mode html {
    background-color: var(--page-bg-bottom) !important;
}

.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6 {
    color: var(--text-primary) !important;
}

.dark-mode nav.top-nav ul li a {
    color: var(--text-primary) !important;
}

.dark-mode nav.top-nav ul li a:hover {
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.08);
}

.dark-mode .social-media a {
    color: var(--text-primary) !important;
}

.dark-mode .social-media a:hover {
    color: var(--accent) !important;
}

/* Dark mode support for avatar grid */
.dark-mode .avatar-tile {
    border: none;
}

.dark-mode .avatar-tile:hover {
    box-shadow: var(--avatar-tile-shadow-hover);
    border: none;
}

/* Dark mode tooltip styling */
.dark-mode .device-tooltip {
    background: var(--glass-bg-strong);
    color: var(--text-primary);
    border: var(--glass-border-width) solid var(--glass-border);
}

.dark-mode .device-tooltip::before {
    border-bottom-color: var(--glass-border);
}

.dark-mode footer {
    background: none !important;
    border: none !important;
    color: var(--text-secondary) !important;
}

/* Dark Mode Button Positioning - Top Right Corner */
.dark-mode-toggle-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Remove old dark mode button styles from nav */
nav.top-nav #darkModeToggle {
    position: static;
    margin: 0;
}

.dark-mode-toggle-container #darkModeToggle {
    background: var(--glass-bg-strong);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: url('Resources/common/PinchCursor.png') 1 1, pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-size: 14px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}

.dark-mode-toggle-container #darkModeToggle:hover {
    color: var(--accent);
    transform: scale(1.1);
    box-shadow: var(--glass-shadow-hover);
}

.dark-mode .dark-mode-toggle-container #darkModeToggle {
    color: var(--text-primary);
}

.dark-mode .dark-mode-toggle-container #darkModeToggle:hover {
    color: var(--accent);
}

/* Highlight text for important content */
.highlight-text {
    color: var(--accent);
}

.dark-mode .highlight-text {
    color: var(--accent-hover);
}

/* Info text styling */
.info-text {
    color: var(--accent);
}

.dark-mode .info-text {
    color: var(--accent-hover);
}

/* Base link colors (content links like DOI) */
a {
    color: var(--accent);
}

a:hover {
    color: var(--accent-hover);
}

.dark-mode a {
    color: var(--accent-hover);
}

.dark-mode a:hover {
    color: var(--accent);
}

/* Specific styling for white-backgrounded diagram images in WFP pages */
.dark-mode img[src*="XRInteractionFramework.png"],
.dark-mode img[src*="WorkFlowOfXRInteraction.png"] {
    filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(1.2);
}

/* Custom Link */
.custom-link {
    color: var(--accent);
    text-decoration: underline;
}

.custom-link:hover {
    color: var(--accent-hover);
    cursor: url('Resources/common/PinchCursor.png') 1 1, pointer;
}

.dark-mode .custom-link {
    color: var(--accent-hover);
}

.dark-mode .custom-link:hover {
    color: var(--accent);
}

/* Paper grain sits on the page ground; sheets stay solid so type stays sharp */
html.style-paper::before {
    background-color: var(--page-bg-bottom);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E"),
        radial-gradient(ellipse at 12% 0%, rgba(255, 252, 245, 0.72), transparent 46%),
        radial-gradient(ellipse at 88% 100%, rgba(120, 78, 40, 0.09), transparent 42%),
        linear-gradient(180deg, var(--page-bg-top), var(--page-bg-bottom));
    background-size: 180px 180px, auto, auto, auto;
    background-blend-mode: multiply, normal, normal, normal;
}

html.dark-mode.style-paper::before {
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E"),
        radial-gradient(ellipse at 18% 0%, rgba(226, 165, 106, 0.08), transparent 42%),
        linear-gradient(180deg, var(--page-bg-top), var(--page-bg-bottom));
    background-size: 180px 180px, auto, auto;
    background-blend-mode: overlay, normal, normal;
}

html.style-paper,
body.style-paper {
    background-color: transparent !important;
    background-image: none !important;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-variant-numeric: oldstyle-nums;
}

html.style-paper body,
html.style-paper p,
html.style-paper li,
html.style-paper button,
html.style-paper input {
    font-family: var(--font-body);
}

html.style-paper h1,
html.style-paper h2,
html.style-paper h3,
html.style-paper h4,
html.style-paper nav.top-nav ul li a {
    font-family: var(--font-display);
    font-weight: 560;
    letter-spacing: -0.02em;
}

html.style-paper #metaballs-canvas {
    display: none;
}

/* Paper texture stays on the page ground. Photos and video keep their own color. */
html.style-paper body {
    isolation: isolate;
    z-index: 0;
}

html.style-paper img,
html.style-paper video,
html.style-paper picture,
html.style-paper .modal-content {
    filter: none !important;
    -webkit-filter: none !important;
    mix-blend-mode: normal !important;
}

html.style-paper.dark-mode,
body.style-paper.dark-mode {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

html.style-paper.dark-mode h1,
html.style-paper.dark-mode h2,
html.style-paper.dark-mode h3,
html.style-paper.dark-mode h4,
html.style-paper.dark-mode h5,
html.style-paper.dark-mode h6,
body.style-paper.dark-mode h1,
body.style-paper.dark-mode h2,
body.style-paper.dark-mode h3,
body.style-paper.dark-mode h4,
body.style-paper.dark-mode h5,
body.style-paper.dark-mode h6 {
    color: var(--text-primary) !important;
}

html.style-paper.dark-mode nav.top-nav,
body.style-paper.dark-mode nav.top-nav {
    background: var(--glass-bg-strong) !important;
    background-color: var(--glass-bg-strong) !important;
    box-shadow: var(--glass-shadow), var(--glass-inset) !important;
}

html.style-paper.dark-mode nav.top-nav ul li a,
body.style-paper.dark-mode nav.top-nav ul li a,
html.style-paper.dark-mode .social-media a,
body.style-paper.dark-mode .social-media a {
    color: var(--text-primary) !important;
}

html.style-paper.dark-mode nav.top-nav ul li a:hover,
body.style-paper.dark-mode nav.top-nav ul li a:hover {
    color: var(--text-primary) !important;
    background: rgba(243, 230, 208, 0.08);
}

html.style-paper.dark-mode .social-media,
html.style-paper.dark-mode main section#contact .social-media,
body.style-paper.dark-mode .social-media,
body.style-paper.dark-mode main section#contact .social-media {
    background: var(--glass-bg-strong) !important;
    background-color: var(--glass-bg-strong) !important;
    box-shadow: var(--glass-shadow), var(--glass-inset) !important;
}

html.style-paper.dark-mode .social-media a:hover,
body.style-paper.dark-mode .social-media a:hover {
    color: var(--accent) !important;
}

html.style-paper.dark-mode main section,
body.style-paper.dark-mode main section {
    color: var(--text-secondary) !important;
}

html.style-paper.dark-mode section h2,
html.style-paper.dark-mode section h3,
html.style-paper.dark-mode section h4,
body.style-paper.dark-mode section h2,
body.style-paper.dark-mode section h3,
body.style-paper.dark-mode section h4 {
    color: var(--text-primary) !important;
    border-bottom-color: var(--glass-border) !important;
}

/* Homepage sheets keep a hairline, like paper laid on a desk */
html.style-paper body.homepage nav.top-nav,
html.style-paper body.homepage #about,
html.style-paper body.homepage #projects,
html.style-paper body.homepage #publications,
html.style-paper body.homepage #publications li,
html.style-paper body.homepage #awards,
html.style-paper body.homepage #awards li,
html.style-paper body.homepage .social-media {
    border: 1px solid var(--glass-border);
}

html.style-paper body.homepage .project {
    border: 1px solid rgba(255, 252, 246, 0.28);
}

/* Style list — opens beside the light/dark control */
.dark-mode-toggle-container {
    flex-direction: column;
    align-items: flex-end;
}

.dark-mode-toggle-container::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    width: 168px;
    height: 10px;
}

.style-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 148px;
    margin: 0;
    padding: 8px;
    list-style: none;
    background: var(--glass-bg-strong);
    border: var(--glass-border-width) solid var(--glass-border);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.dark-mode-toggle-container:hover .style-menu,
.dark-mode-toggle-container:focus-within .style-menu {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
}

.dark-mode-toggle-container.is-style-menu-closed .style-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
}

.style-menu__label {
    margin: 0 8px 4px;
    font-family: var(--font-display, Arial, sans-serif);
    font-size: 10px;
    font-weight: 640;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.style-menu__item {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-display, Arial, sans-serif);
    font-size: 14px;
    font-weight: 520;
    letter-spacing: 0.01em;
    text-align: left;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 8px;
    box-shadow: none;
    backdrop-filter: none;
}

html.style-paper .style-menu__item {
    border-radius: 2px;
}

.style-menu__item:hover,
.style-menu__item.is-active {
    background: rgba(0, 0, 0, 0.06);
}

.dark-mode .style-menu__item:hover,
.dark-mode .style-menu__item.is-active {
    background: rgba(255, 255, 255, 0.08);
}

.style-menu__swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    flex: none;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.16);
}

.style-menu__item[data-style="paper"] .style-menu__swatch {
    background:
        linear-gradient(180deg, rgba(255, 252, 246, 0.45), transparent 60%),
        #e7d7be;
}

.style-menu__item[data-style="glass"] .style-menu__swatch {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(210, 210, 210, 0.55));
}

.style-menu__item.is-active .style-menu__swatch {
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--accent);
}

/* Homepage: no separation lines / panel borders */
body.homepage h2 {
    border-bottom: none;
    padding-bottom: 0;
}

body.homepage nav.top-nav,
body.homepage #about,
body.homepage #projects,
body.homepage #publications,
body.homepage #publications li,
body.homepage #awards,
body.homepage #awards li,
body.homepage .social-media,
body.homepage .project {
    border: none;
}

body.homepage nav.top-nav,
body.homepage #about,
body.homepage #projects,
body.homepage #publications,
body.homepage #awards,
body.homepage .social-media {
    box-shadow: var(--glass-shadow);
}

body.homepage .project {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body.homepage .project:hover {
    border: none;
}