:root{
    /* --page-color: #f9f9f9; */
    --page-color: #fff;
    --page-boder: #22222222;
    --code-color: #fbfbf9;
    --punctuation:#1d70dd;
    --string:#009b00;
    --keyword:#b400b4;
    --function:#ff0099;
    --number:#ff9900;
    --operation:#eb791c;
    --comment:#999999;
}

html[data-bs-theme="dark"] {
    /* --page-color: #252525; */
    --page-color: #111;
    --page-border: #fbfbfb22;
    --code-color: #181818;
}

.card {
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.2);
}


pre{
    background-color: var(--my-white);
}

.btn.page-nav{
    color:var(--my-gray-1);
    background-color: var(--bs-body-bg);
}
.btn.page-nav:hover{
    color:var(--my-black);
}

.btn.page-nav.active{
    background-color: var(--my-white);
    border:none;
}

.btn.page-nav.active:hover{
    color:var(--my-gray-1);
}

.btn.page-list{
    background-color: var(--my-white);
    border:none
}
.btn.page-list:hover{
    font-weight: bolder;
}

.page {
    position: relative;
    font-size: 1.1rem;
    display: flex;
    width: 100%;
    flex-direction: column;
    max-width: 98vw;
    justify-content: center;
    align-items: center;
    padding: 2em 1em;
}

.katex-display {
    overflow-x: auto;
    font-size: 1.15em;
    overflow-y: hidden;
    max-width: 100%;
    display: block;
    text-align: center;
}

.katex {
    font-size: 0.9em;
    white-space: normal !important;
}

.header {
    text-align: center;
    max-width: 80%;
    margin-bottom: 1em;
}

.header .title {
    font-family:  "Spectral", serif;
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    font-weight: bold;
}

.header .subtitle {
    font-family: "Edu SA Beginner", cursive;;
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--subtitle-color);
}

.header .author {
    margin-top: 8px;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    font-weight: 500;
}

.article {
    font-family:"Slabo 27px", serif;
    text-align: justify;
    color:var(--my-black);
    overflow-x: auto;
    word-wrap: break-word;
    white-space: normal;
    background-color: var(--page-color);
    background-clip: border-box;
    border: 1px solid var(--my-border-color);
    border-radius: 0.25em;
    padding: 2em;
    margin: 4px;
    max-width: 85%;
}

.abstract {
    font-size: 1em;
    padding: 2em;
    background: var(--abstract-bg);
    border-radius: 0.5rem;
}

.abstract > .title {
    width: 100%;
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: bold;
    border-bottom: 2px solid var(--my-border-color);
    padding-bottom: 0.5rem;
}

.section {
    margin-block: 2em;
    padding: 1.5em;
}

.section > .title {
    width: 100%;
    text-align: left;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: bold;
    border-bottom: 2px solid var(--my-border-color);
    padding-bottom: 0.4em;
    margin-bottom: 1em;
}

.sub-section > .title {
    width: 100%;
    text-align: left;
    font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    font-weight: bold;
    margin-top: 1em;
    padding-bottom: 0.3em;
    border-bottom: 1px groove var(--my-border-color);
}

.figure {
    width: calc(100% + 2rem);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    align-items: center;
    padding: 12px 12px;
    margin-left: -1em;
    margin-right: -1em;
    margin-block: 2em;
    border: 1px solid var(--my-border-color);
    border-radius: 0.45em;
}

.figure img {
    justify-items: center;
    align-items: center;
    max-width: 96%;
    height: auto;
    border-radius: 0.25rem;
}

.figure p {
    width:100%;
    font-size: 0.9em;
    text-align: center;
    margin-top: 0.25em;
    padding:none;
    margin-bottom:-6px;
    color: var(--text-muted);
}

ul,td{
    text-align: left;
}
td{
    padding-inline: 8px;
    border: 1px dashed var(--my-border-color);
}

pre.code-block {
    background-color: var(--code-color);
    border-radius: 0.5rem;
    overflow-x: auto;
    font-size: 0.9em;
    text-shadow: none;
}
code[class*="language-"], :not(pre)>code[class*="language-"]{
    padding-inline: 4px;
    background-color: var(--code-color);
    color:var(--my-black);
}

.token{
    text-shadow: none;
}

.token.string {
    color: var(--string);
}

.token.keyword {
    color: var(--keyword);
    font-weight: bold;
}

.token.function {
    color: var(--function);
}

.token.number {
    color: var(--number);
}

.token.operator {
    color: var(--operation);
}

.token.comment {
    color: var(--comment);
    font-style: italic;
}

.token.punctuation {
    color: var(--punctuation);
}

@media (max-width: 992px) {
    .header {
        max-width: 95%;
    }

    .article {
        max-width: 95%;
    }

    .abstract {
        padding: 1.5rem;
    }

    .figure img {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    .article {
        padding: 1.5rem;
    }

    .abstract {
        padding: 1rem;
    }

    .section {
        padding: 1rem;
    }

    .figure img {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .page {
        font-size: 0.7rem;
        width: 100%;
        padding: 1rem;
    }

    .article {
        max-width: 100%;
        padding: 0.5rem;
    }

    .header{
        width:100%
    }

    .header .title {
        font-size: 1.25rem;
    }

    .header .subtitle {
        font-size: 1rem;
    }

    .header .author {
        margin-top: 0.5rem;
        font-size: 0.9rem;
    }

    .figure img {
        max-width: 95%;
    }
}