:root {
    --bg: #000000;
    --fg: #ffffff;
    --dim: #888888;
    --accent: #cccccc;
    --font: 'Space Mono', monospace;
    --width: min(580px, 92vw);
}

* {
    box-sizing: border-box;
    cursor: crosshair;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-size: 11px; 
    line-height: 1.35;
    max-width: var(--width);
    margin: 30px auto;
    padding: 0;
    -webkit-font-smoothing: none;
    letter-spacing: -0.3px;
}

/* Meta / Back Button Area */
.meta {
    margin-bottom: 25px;
    border-bottom: 1px solid #222;
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 9px;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0px;
}

.meta a {
    color: var(--fg);
    text-decoration: none;
    font-weight: 700;
}

.meta a:hover {
    color: var(--dim);
}

.meta a::before {
    content: '← ';
}

/* Typography */
article {
    border-left: 1px solid #111;
    padding-left: 15px;
}

h2 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin: 0 0 15px 0;
    letter-spacing: 0.3px;
    padding-bottom: 5px;
    border-bottom: 1px solid #222;
}

h3 {
    font-size: 11px;
    font-weight: 700;
    margin: 20px 0 10px 0;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 0px;
}

h4 {
    font-size: 10px;
    font-weight: 700;
    margin: 15px 0 8px 0;
    text-transform: uppercase;
    color: var(--dim);
    letter-spacing: 0px;
}

h4::before {
    content: '■ ';
    font-size: 6px;
    vertical-align: middle;
}

p { 
    margin-bottom: 12px; 
    opacity: 0.9;
    letter-spacing: -0.3px;
}

a { 
    color: var(--fg); 
    text-decoration: none;
    opacity: 0.8;
}

a:hover { 
    opacity: 1;
    background-color: var(--fg);
    color: var(--bg);
}

ul, ol {
    margin-bottom: 12px;
    padding-left: 15px;
    line-height: 1.3;
}

li {
    margin-bottom: 3px;
    letter-spacing: -0.3px;
}

blockquote {
    margin: 15px 0;
    padding-left: 12px;
    border-left: 2px solid #222;
    color: var(--dim);
    font-size: 10px;
    letter-spacing: -0.2px;
}

hr {
    border: none;
    border-top: 1px solid #222;
    margin: 20px 0;
}

/* Images/Figures */
img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border: 1px solid #222;
}

figure {
    margin: 25px 0;
    padding: 0;
}

figcaption {
    margin-top: 5px;
    font-size: 9px;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0px;
}

figcaption::before {
    content: '[FIG] ';
}

.svg-item {
    margin: 20px 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #222;
    padding: 15px;
}

.svg-item svg {
    max-width: 100%;
    height: auto;
    fill: var(--fg);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    font-size: 10px;
    letter-spacing: -0.2px;
}

th, td {
    padding: 5px 8px;
    text-align: left;
    border: 1px solid #222;
}

th {
    background-color: #0a0a0a;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0px;
}

/* Code */
pre {
    background: #0a0a0a;
    border: 1px solid #222;
    padding: 10px;
    margin: 15px 0;
    overflow-x: auto;
    font-size: 10px;
    line-height: 1.3;
    letter-spacing: -0.2px;
}

code {
    font-family: var(--font);
    font-size: 10px;
    letter-spacing: -0.2px;
}

:not(pre) > code {
    background-color: #0a0a0a;
    border: 1px solid #222;
    padding: 1px 4px;
}

/* Mobile */
@media (max-width: 600px) {
    body {
        margin: 20px auto;
        font-size: 10px;
    }
    
    article {
        border-left: none;
        padding-left: 0;
    }
    
    .meta {
        flex-direction: column;
        gap: 5px;
        align-items: flex-start;
    }
}