/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Header Styles */
header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.title {
    font-size: 2.5em;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.authors {
    font-size: 1.1em;
    margin: 20px 0;
    line-height: 1.8;
}

.authors span {
    display: inline-block;
    margin: 5px 10px;
}

.affiliations {
    font-size: 1em;
    margin: 15px 0;
    opacity: 0.95;
}

.conference {
    font-size: 1.3em;
    margin: 15px 0;
    font-weight: 600;
}

.links {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    background-color: #f8f9fa;
}

.btn i {
    margin-right: 8px;
}

/* Section Styles */
section {
    padding: 40px 60px;
    border-bottom: 1px solid #e0e0e0;
}

section:last-of-type {
    border-bottom: none;
}

h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #667eea;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
    display: inline-block;
}

h3 {
    font-size: 1.5em;
    margin: 25px 0 15px 0;
    color: #764ba2;
}

p {
    margin-bottom: 15px;
    text-align: justify;
    font-size: 1.05em;
}

/* Teaser Section */
.teaser {
    text-align: center;
    padding: 50px 60px;
    background-color: #fafafa;
}

.teaser-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.caption {
    font-size: 0.95em;
    color: #666;
    font-style: italic;
    margin-top: 15px;
    text-align: center;
}

/* Abstract */
#abstract p {
    font-size: 1.1em;
    line-height: 1.8;
}

/* Contributions */
#contributions ul {
    list-style: none;
    padding-left: 0;
}

#contributions li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    font-size: 1.05em;
    line-height: 1.7;
}

#contributions li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #667eea;
    font-size: 1.5em;
    font-weight: bold;
}

#contributions strong {
    color: #764ba2;
}

/* Method Section */
.method-content {
    margin-top: 20px;
}

.method-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin: 20px 0;
    display: block;
}

/* Results Section */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.result-item {
    text-align: center;
}

.result-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin-bottom: 15px;
}

/* Tables */
.results-table,
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 1em;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    border-radius: 8px;
}

.results-table thead,
.comparison-table thead {
    background-color: #667eea;
    color: white;
}

.results-table th,
.comparison-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.results-table td,
.comparison-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e0e0e0;
}

.results-table tbody tr:hover,
.comparison-table tbody tr:hover {
    background-color: #f8f9fa;
}

.results-table tr.highlight,
.comparison-table tr.highlight {
    background-color: #f0f4ff;
    font-weight: 600;
}

/* Gallery */
.gallery {
    text-align: center;
    margin: 30px 0;
}

.gallery img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
    margin-bottom: 15px;
}

/* Citation */
#citation pre {
    background-color: #f5f5f5;
    border-left: 4px solid #667eea;
    padding: 20px;
    overflow-x: auto;
    border-radius: 5px;
    margin: 20px 0;
}

#citation code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95em;
    color: #333;
}

/* Code Placeholder */
.code-placeholder {
    text-align: center;
    padding: 60px 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    margin: 20px 0;
}

.code-placeholder p {
    font-size: 1.2em;
    color: #888;
    margin-top: 15px;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 30px 20px;
}

footer p {
    margin: 5px 0;
    text-align: center;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 1.8em;
    }

    .authors {
        font-size: 1em;
    }

    section {
        padding: 30px 20px;
    }

    .teaser {
        padding: 30px 20px;
    }

    h2 {
        font-size: 1.6em;
    }

    h3 {
        font-size: 1.3em;
    }

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

    .links {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 80%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.5em;
    }

    section {
        padding: 20px 15px;
    }

    .authors span {
        display: block;
        margin: 5px 0;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Link Styles */
a {
    color: #667eea;
}

a:hover {
    color: #764ba2;
}

/* Selection Color */
::selection {
    background-color: #667eea;
    color: white;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.6s ease-in-out;
}