:root {
    --primary-color: #333;
    --link-color: #0066cc;
    --bg-color: #f9f9f9;
    --container-bg: #ffffff;
    --text-color: #444;
    --font-family: 'Inter', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background: var(--container-bg);
    padding: 40px 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    background: linear-gradient(135deg, #00b4db, #0083b0);
    /* Blue-Teal Gradient */
    padding: 60px 40px;
    border-radius: 12px;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.logos-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 20px;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.logo-img:hover {
    opacity: 1;
}

.venue {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.authors {
    font-size: 1.15rem;
    margin-bottom: 15px;
}

.authors a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.5);
}

.authors a:hover {
    color: rgba(255, 255, 255, 0.9);
    border-bottom-style: solid;
}

.affiliations {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: white;
    color: #0083b0;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn.disabled {
    background-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.6);
    cursor: default;
    box-shadow: none;
    transform: none;
}

h2 {
    font-weight: 600;
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #222;
}

.icon {
    margin-right: 6px;
}

.abstract {
    text-align: justify;
    margin-bottom: 30px;
}

.teaser-image {
    width: auto;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 30px auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.figure-caption {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
    margin-top: 10px;
    margin-bottom: 30px;
}

.method-image,
.results-image {
    width: auto;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 4px;
}

hr {
    border: 0;
    height: 1px;
    background: #eee;
    margin: 40px 0;
}

.placeholder-image {
    background-color: #f0f0f0;
    border: 2px dashed #ddd;
    color: #888;
    padding: 40px;
    text-align: center;
    margin: 20px 0;
    border-radius: 4px;
}

.citation pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
    color: #333;
}

footer {
    text-align: center;
    margin-top: 50px;
    font-size: 0.85rem;
    color: #888;
}

footer a {
    color: #666;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
        margin: 10px;
    }

    h1 {
        font-size: 1.8rem;
    }
}