@import url("https://fonts.googleapis.com/css2?family=Lora:wght@500&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inconsolata&display=swap");

:root {
    --bg-main: #FBF8F1;       /* Softer, warmer paper color */
    --text-main: #4A3F35;     /* Deep espresso brown (easier on eyes than pure black) */
    --toc-bg: #EAE3D2;        /* A muted, darker beige for the sidebar */
    --toc-text: #4A3F35;      /* Dark brown text for the sidebar */
    --quote-accent: #D4A373;  /* A warm terracotta/clay accent */
    --link-color: #8C6239;    /* Muted copper for links */
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-main: #1e1e2e; /* A rich, dark slate */
        --text-main: #cdd6f4; /* Soft, readable off-white */
        --toc-bg: #11111b; /* An even darker shade for the sidebar */
        --quote-accent: #f5c2e7; /* A soft pastel pink/purple accent */
    }
}

body {
    margin: 40px auto;
    width: 700px;
    line-height: 1.6;
    font-size: 16px;
    background: var(--bg-main);
    color: var(--text-main);
    padding: 0 10px;
    font-size: 18px;
    line-height: 28px;
    font-family: "Lora";
    font-weight: 500;
    -webkit-font-smoothing: antialiased;

    @media (max-width: 1250px) {
        margin: 20px auto;
        font-size: 20px;
    }
}

input {
    padding: 10px 16px;
    margin: 2px 0;
    box-sizing: border-box;
    border: 2px solid #dabebe;
    border-radius: 6px;
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 16px;
    -webkit-transition: 0.5s;
    transition: 0.5s;
    outline: none;
    &:focus {
        border: 2px solid var(--text-main);
    }
}

.button {
    background-color: var(--bg-main);
    border: none;
    color: black;
    padding: 6px 14px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
    border: 2px solid var(--text-main);
    border-radius: 6px;
    &:hover {
        background-color: var(--text-main);
        color: white;
    }
}

/* ----------------------------------------------- */
/* Various classes for messages of different kinds */
/* ----------------------------------------------- */
.isa_info,
.isa_success,
.isa_warning,
.isa_error {
    width: 90%;
    margin: 10px 0px;
    padding: 12px;
}
.isa_info {
    color: #00529b;
    background-color: #bde5f8;
}

.isa_success {
    color: #4f8a10;
    background-color: #dff2bf;
}

.isa_warning {
    color: #9f6000;
    background-color: #feefb3;
}

.isa_error {
    color: #d8000c;
    background-color: #ffd2d2;
}

h1,
h2,
h3 {
    line-height: 1.2;
    font-family: "Lora";
}

h1 {
    @media (max-width: 1250px) {
        font-size: 20px;
    }
}

h2 {
    @media (max-width: 1250px) {
        font-size: 18px;
    }
}

img {
    border-radius: 10px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    display: block;
}

.org-svg {
    width: 100%;
    max-width: none;
}

mjx-container[jax="CHTML"] {
    text-align: left !important;
}

/* --------------------------------------------- */
/* Bold hover animations on links and clickables */
/* --------------------------------------------- */
a {
    cursor: pointer;
    color: #217ab7;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px; /* Pushes the underline down slightly */
    transition: all 0.2s ease-in-out;
    
    /* Make the link change color and the underline grow on hover */
    &:hover {
        color: #11507c;
        text-decoration-thickness: 4px;
    }
}

::selection {
    color: white;
    background: #ff4081;
}

#table-of-contents {
    height: 100%;
    width: 250px;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    font-size: 0px;
    overflow-x: hidden;
    padding-top: 20px;
    border-right: 1px;
    background: var(--toc-bg);
    ul {
        list-style-type: none;
        padding-left: 0;
        a {
            padding: 6px 8px 6px 16px;
            display: block;
            font-size: 15px;
            &, &:hover, &:visited, &:visited:hover {
                color: white;
                background-color: var(--toc-bg);
                border-color: var(--toc-bg);
                text-decoration: none;
            }
        } 
    }

    @media (max-width: 1250px) {
        display: none;
    }
}

.content {
    margin-left: 160px;
    padding: 0px 10px;
    @media (max-width: 1250px) {
        margin-left: 0; 
    }
}

.src,
.example {
    color: #cdd6f4;
    background-color: #1e1e2e;
    box-shadow:
	rgba(0, 0, 0, 0.3) 0px 19px 38px,
	rgba(0, 0, 0, 0.22) 0px 15px 12px;
}

#postamble {
    text-align: center;
}

pre {
    font-family: "Inconsolata", monospace;
    &.src-stem::before {
        content: "Stem";
    }
}

.theorem, .proof {
    display: block;
    margin-left: 10px;
    font-style: normal;
    &::before {
        float: left;
        font-weight: bold;
    }
}

.theorem {
    margin-bottom:20px;
    &::before {
        content:"Theorem.\00a0\00a0";
    }
}

.proof {
    margin-bottom:30px;

    &::before {
        content:'Proof.\00a0\00a0';
    }

    &::after {
        content: "\25FC";
        float: right;
    }
}

.links-page > ul {
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
}

blockquote {
    width: 80%; /* Slightly wider so it doesn't feel cramped */
    margin: 40px auto;
    font-style: italic;
    color: var(--text-main);
    padding: 1.5em 30px 1.5em 60px; /* Adjusted padding */
    border-left: 4px solid var(--quote-accent); /* Thinner, more elegant border */
    border-radius: 0 8px 8px 0; /* Round the right corners slightly */
    line-height: 1.6;
    position: relative;
    background: color-mix(in srgb, var(--quote-accent) 15%, transparent); /* Automatically makes a faint background based on your accent color! */

    &::before {
        font-family: "Lora", serif; /* Match your main font instead of Arial */
        content: "\201C";
        color: var(--quote-accent);
        font-size: 5em;
        position: absolute;
        left: 10px;
        top: -20px;
        opacity: 0.5; /* Fade the quote mark so it isn't overpowering */
    }
    
    &::after { content: ''; }
}