@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

body {
    font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
    line-height: 1.6;
    margin: 0 auto;
    max-width: 35em;
    padding: 1em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
    font-weight: normal;
}

a {
    color: currentColor;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

nav {
    margin: 2em 0 4em 0;
    padding-bottom: 0.5em;
    border-bottom: 1px solid #ddd;
}

nav a {
    margin-right: 2em;
    text-decoration: none;
}

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

nav a.active {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

img {
    max-width: 100%;
    height: auto;
}

.profile {
    margin: 3em 0;
}

.profile img {
    width: 100px;
    height: 100px;
}

.date {
    font-size: 0.9em;
}

.blog-post {
    margin: 2em 0;
}

.button {
    display: inline-block;
    padding: 0.5em 1em;
    border: 1px solid currentColor;
    text-decoration: none;
}

.button:hover {
    background: black;
    color: white;
    border-color: black;
}

/* Add subtle transitions */
a, .button {
    transition: all 0.2s ease;
}

.similar-button-container {
    margin-top: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.similar-button-container .button {
    padding: 0.8rem 1.5rem;
    background-color: #4a5568;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1em;
}

.similar-button-container .button:hover {
    background-color: #2d3748;
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

.abstract-result {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.similar-button {
    font-size: 0.9em;
    padding: 0.3rem 0.8rem;
    margin-top: 0.5rem;
    background-color: #4a5568;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.similar-button:hover {
    background-color: #2d3748;
}

.similar-results {
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 3px solid #eee;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 1000;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    max-width: 80%;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 1001;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    border: none;
    background: none;
    color: #ffffff;
    padding: 0.5rem;
}

.modal-close:hover {
    color: #cccccc;
}

.modal a {
    color: #66b3ff;
}

.modal a:hover {
    color: #99ccff;
}

.similar-list {
    list-style: none;
    padding: 0;
}

.similar-abstract {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #333;
}

.similar-abstract:last-child {
    border-bottom: none;
}