:root {
    --small-thumb-border-radius: 8px;
    --larger-thumb-border-radius: 12px;
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --background: #ffffff;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

html {
    font-size: 14px;
    line-height: 1.6;
    font-family: 'Google Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

@media(min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin: 0px;
    padding: 0px;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.7;
}

.base-grid,
.n-header,
.n-byline,
.n-title,
.n-article,
.n-footer {
    display: grid;
    justify-items: stretch;
    grid-template-columns: [screen-start] 8px [page-start kicker-start text-start gutter-start middle-start] 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr [text-end page-end gutter-end kicker-end middle-end] 8px [screen-end];
    grid-column-gap: 8px;
}

.grid {
    display: grid;
    grid-column-gap: 8px;
}

@media(min-width: 768px) {

    .base-grid,
    .n-header,
    .n-byline,
    .n-title,
    .n-article,
    .n-footer {
        display: grid;
        justify-items: stretch;
        grid-template-columns: [screen-start] 1fr [page-start kicker-start middle-start text-start] 45px 45px 45px 45px 45px 45px 45px 45px 45px 45px [ kicker-end text-end gutter-start] 45px [middle-end] 45px [page-end gutter-end] 1fr [screen-end];
        grid-column-gap: 16px;
    }

    .grid {
        grid-column-gap: 16px;
    }
}

@media(min-width: 1000px) {

    .base-grid,
    .n-header,
    .n-byline,
    .n-title,
    .n-article,
    .n-footer {
        display: grid;
        justify-items: stretch;
        grid-template-columns: [screen-start] 1fr [page-start kicker-start] 50px [middle-start] 50px [text-start kicker-end] 50px 50px 50px 50px 50px 50px 50px 50px 50px 50px [text-end gutter-start] 50px [middle-end] 50px [page-end gutter-end] 1fr [screen-end];
        grid-column-gap: 16px;
    }

    .grid {
        grid-column-gap: 16px;
    }
}

@media (min-width: 1180px) {

    .base-grid,
    .n-header,
    .n-byline,
    .n-title,
    .n-article,
    .n-footer {
        display: grid;
        justify-items: stretch;
        grid-template-columns: [screen-start] 1fr [page-start kicker-start] 60px [middle-start] 60px [text-start kicker-end] 60px 60px 60px 60px 60px 60px 60px 60px 60px 60px [text-end gutter-start] 60px [middle-end] 60px [page-end gutter-end] 1fr [screen-end];
        grid-column-gap: 32px;
    }

    .grid {
        grid-column-gap: 32px;
    }

}

.base-grid {
    grid-column: screen;
}

/* default grid column assignments */
.n-title>* {
    grid-column: text;
}

.n-article>* {
    grid-column: text;
}

.n-header {
    height: 0px;
}

.n-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    grid-column: text;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-content p {
    margin: 0.5rem 0;
}

.hero-section {
    padding: 8rem 0 6rem;
    color: white;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-background-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 2;
}

.l-page {
    grid-column: page;
}

.l-article {
    grid-column: text;
}

p {
    margin-top: 0;
    margin-bottom: 1em;
}

.pixelated {
    image-rendering: pixelated;
}

strong {
    font-weight: 600;
}

a:link {
    color: #76B900;
}

a:visited {
    color: green;
}
/*------------------------------------------------------------------*/
/* title */
.conference-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    margin: 1.5rem 0 3rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 1rem;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.main-title {
    font-family: "Google Sans", system-ui, Arial, sans-serif;
    color: white;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1em;
    margin: 2rem auto 1rem;
    text-align: center;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    width: 100%;
}

.subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 3rem;
    font-weight: 400;
    position: relative;
    z-index: 1;
    max-width: 800px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .main-title {
        font-size: 4.5rem;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .conference-badge {
        font-size: 16px;
        padding: 10px 24px;
    }
    
    .hero-section {
        padding: 10rem 0 8rem;
    }
    
    .authors-list {
        gap: 1.5rem;
    }
    
    .affiliations {
        gap: 3rem;
    }
    
    .action-buttons {
        gap: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 1.2rem 2.5rem;
        font-size: 1.1rem;
    }
}

@media (max-width: 767px) {
    .main-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-section {
        padding: 6rem 0 4rem;
        min-height: 80vh;
    }
    
    .authors-list {
        gap: 0.8rem;
        padding: 0 1rem;
    }
    
    .author-item {
        padding: 0.6rem 1.2rem;
    }
    
    .affiliations {
        gap: 1.5rem;
        flex-direction: column;
        align-items: center;
    }
    
    .corresponding-badge {
        font-size: 0.55rem;
        padding: 0.25rem 0.5rem;
        top: -8px;
        right: -8px;
        border-width: 1px;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        max-width: 280px;
    }
    
    .n-article {
        padding: 3rem 0;
    }
    
    .n-page.video {
        padding: 2rem 1rem;
        margin: 2rem 0;
    }
    
    h3.results {
        font-size: 20px;
        padding: 1rem 0;
    }
}

/*------------------------------------------------------------------*/
/* article */
.n-article {
    text-align: justify;
    color: var(--text-primary);
    border-top: 1px solid var(--border);
    padding: 4rem 0;
    background: var(--background);
    position: relative;
}

.n-article h2 {
    text-align: left;
    contain: layout style;
    font-weight: 600;
    font-size: 24px;
    line-height: 1.25em;
    margin: 3rem 0 2rem 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
}

.n-article h2::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--gradient-accent);
}

@media (min-width: 768px) {
    .n-article {
        line-height: 1.7;
    }

    .n-article h2 {
        font-size: 36px;
    }
}

/*------------------------------------------------------------------*/
/* byline */

.n-byline {
    contain: style;
    overflow: hidden;
    background: var(--surface);
    border-top: 1px solid var(--border);
    font-size: 1.1rem;
    line-height: 1.8em;
    padding: 3rem 0;
    min-height: 1.8em;
    position: relative;
    margin-bottom: 0;
}

.n-byline .byline {
    grid-column: text;
}

.byline {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.grid {
    display: grid;
    grid-column-gap: 8px;
}

@media (min-width: 768px) {
    .grid {
        grid-column-gap: 16px;
    }
}

.n-byline p {
    margin: 0;
}

.n-byline h3 {
    font-size: 0.6rem;
    font-weight: 400;
    color: rgba(0, 0, 0, 0.5);
    margin: 0;
    text-transform: uppercase;
}

.n-byline .authors-affiliations {
    grid-column-end: span 2;
    grid-template-columns: 1fr 1fr;
}

.n-byline .authors-venue {
    grid-column-end: span 2;
    grid-template-columns: 1fr 1fr;
}

/*------------------------------------------------------------------*/
/* figures */
.figure {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

ul.authors {
    list-style-type: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

ul.authors li {
    padding: 0.5rem 1rem;
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

ul.authors li:hover {
    background: rgba(37, 99, 235, 0.2);
    transform: translateY(-2px);
}

ul.authors li a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

ul.authors li a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

ul.authors li a:visited {
    color: var(--primary-color);
}

ul.authors sup {
    color: rgb(126, 126, 126);
}

ul.authors.affiliations {
    margin-top: 1rem;
    margin-bottom: 2rem;
    gap: 2rem;
}

ul.authors.affiliations li {
    color: var(--text-secondary);
    background: rgba(100, 116, 139, 0.1);
    font-size: 0.95rem;
}

ul.authors.affiliations li:hover {
    background: rgba(100, 116, 139, 0.2);
}

ul.authors.affiliations li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

ul.authors.affiliations li a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

ul.authors.affiliations li a:visited {
    color: var(--text-secondary);
}

ul.authors.venue li {
    margin-top: 0.5rem;
    color: rgb(0, 0, 0);
}

ul.authors.links li {
    margin-top: 0.8rem;
    padding: 0 0.1rem;
}

/* Style buttons */
.btn {
    background: var(--gradient-primary);
    border: none;
    color: white !important;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 25px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn i {
    color: white !important;
    font-size: 16px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    filter: brightness(1.2);
}

.btn:link,
.btn:visited,
.btn:active {
    color: white !important;
}

.btn:link i,
.btn:visited i,
.btn:active i {
    color: white !important;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--gradient-secondary);
    color: white !important;
}

.btn:hover i {
    color: white !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    filter: brightness(1.3);
}

/* For BibTeX */
pre {
    margin-top: 0px;
    font-size: 0.85em;
    padding-left: 20px;
    padding-right: 7px;
    padding-top: 3px;
    padding-bottom: 3px;
    border-radius: 3px;
    background-color: rgb(235, 235, 235);
    overflow-x: auto;
}

/* video caption */

.videocaption {
    display: flex;
    font-size: 16px;
    line-height: 1.5em;
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
    justify-content: center;
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--larger-thumb-border-radius);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
}

.disable-selection {
    user-select: none;
    -moz-user-select: none;
    /* Firefox */
    -ms-user-select: none;
    /* Internet Explorer */
    -khtml-user-select: none;
    /* KHTML browsers (e.g. Konqueror) */
    -webkit-user-select: none;
    /* Chrome, Safari, and Opera */
    -webkit-touch-callout: none;
    /* Disable Android and iOS callouts*/
}

.shadow {
    box-shadow: var(--shadow-lg);
    border-radius: var(--larger-thumb-border-radius);
    transition: all 0.3s ease;
}

.shadow:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Video specific styling */
video {
    background: #000;
    border-radius: var(--larger-thumb-border-radius);
    display: block;
    width: 100%;
    height: auto;
}

video::-webkit-media-controls {
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
}

video::-webkit-media-controls-panel {
    background: rgba(0,0,0,0.8);
}

.emph {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
}

.hidden {
    display: none;
}

h3.figtitle {
    margin-top: 0;
    margin-bottom: 0;
}

h3.results {
    margin-top: 4rem;
    margin-bottom: 2rem;
    font-family: "Google Sans", system-ui, Arial, sans-serif;
    font-weight: 600;
    font-size: 24px;
    color: var(--primary-color);
    text-align: center;
    position: relative;
    padding: 1.5rem 0;
    background: var(--surface);
    border-radius: var(--larger-thumb-border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

h3.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

h3.results::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.fig-title-line {
    grid-template-columns: 2fr 0.75fr;
}

.fig-thumb-image-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.fig-thumb-image-row-item {
    width: 100%;
    min-height: auto;
    border-radius: var(--small-thumb-border-radius);
}

.fig-dataset-button {
    border-color: rgba(0, 0, 0, 0);
    border-width: 1px;
    border-style: solid;
    cursor: pointer;
    opacity: 0.6;
}

.fig-dataset-button.active {
    border-color: rgba(0, 0, 0, 0.7);
    border-width: 1px;
    border-style: solid;
    opacity: 1.0;
}

.grid {
    display: grid;
    grid-column-gap: 8px;
}

.videoWrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    padding-top: 25px;
    height: 0;
    margin-bottom: 30px;
}
  
.videoWrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video_without_cap {
    margin-top: 0rem;
    margin-bottom: 3rem;
    border-radius: var(--larger-thumb-border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.video_without_cap:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Video container improvements */
.n-page.video {
    margin: 3rem 0;
    padding: 3rem;
    background: var(--surface);
    border-radius: var(--larger-thumb-border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.n-page.video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

/* Add smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Add some animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.n-article > * {
    animation: fadeInUp 0.6s ease-out;
}

/* Improve link styling */
a:link {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:visited {
    color: var(--secondary-color);
}

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

/* Add a subtle background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23e2e8f0" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    z-index: -1;
    pointer-events: none;
}

/* Add decorative elements */
.n-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-accent);
}

/* Improve section spacing */
.n-article > h2:first-of-type {
    margin-top: 2rem;
}

/* Add floating elements for visual interest */
.n-title::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Authors section styling */
.authors-section {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.authors-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 0 2rem;
}

.author-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    padding: 0.8rem 1.8rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.author-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all 0.4s ease;
    border-radius: 30px;
}

.author-item:nth-child(1)::before {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.author-item:nth-child(2)::before {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.author-item:nth-child(3)::before {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.author-item:nth-child(4)::before {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.author-item:nth-child(5)::before {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.author-item:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.author-item:hover::before {
    opacity: 1;
}

.author-item:active {
    transform: translateY(-2px) scale(1.02);
    transition: all 0.1s ease;
}

.author-item:active::before {
    opacity: 0.8;
}

/* Corresponding author styling */
.corresponding-author {
    position: relative;
}

.corresponding-badge {
    position: absolute;
    top: -10px;
    right: -12px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 50%, #ff6b6b 100%);
    background-size: 200% 200%;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.3rem 0.7rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    z-index: 10;
    white-space: nowrap;
    border: 2px solid rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: floating-badge 2.5s ease-in-out infinite, gradient-shift 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes floating-badge {
    0%, 100% {
        transform: translateY(0px) rotate(-1deg) scale(1);
        box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    }
    25% {
        transform: translateY(-2px) rotate(1deg) scale(1.02);
        box-shadow: 0 6px 20px rgba(255, 107, 107, 0.5);
    }
    50% {
        transform: translateY(-4px) rotate(-0.5deg) scale(1.05);
        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
    }
    75% {
        transform: translateY(-2px) rotate(0.5deg) scale(1.02);
        box-shadow: 0 6px 20px rgba(255, 107, 107, 0.5);
    }
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.author-name {
    font-size: 1rem;
    font-weight: 700;
    color: white !important;
    text-decoration: none;
    transition: all 0.4s ease;
    display: block;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.author-name:hover {
    color: white !important;
    text-decoration: none;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.author-name sup {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 0.8rem;
    font-weight: 500;
}

.affiliations {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.affiliation-item {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.affiliation-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.affiliation-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.affiliation-item a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white !important;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: var(--gradient-secondary);
    color: white !important;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white !important;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.2);
    color: white !important;
}

.btn-primary i,
.btn-secondary i {
    color: white !important;
    font-size: 1.1rem;
}