/*
 * Quarto post theme overrides — matches patemotter.com dark aesthetic
 */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- Design tokens (mirror styles.css) ---- */
:root {
    --pm-bg:          #0d1117;
    --pm-surface:     #161b22;
    --pm-border:      #30363d;
    --pm-text:        #c9d1d9;
    --pm-muted:       #8b949e;
    --pm-accent:      #58a6ff;
    --pm-accent-h:    #79c0ff;
    --pm-font-sans:   'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --pm-font-mono:   'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
}

/* ---- Base ---- */
body {
    background-color: var(--pm-bg) !important;
    color: var(--pm-text) !important;
    font-family: var(--pm-font-sans) !important;
    font-size: 0.95rem;
    -webkit-font-smoothing: antialiased;
}

/* ---- Layout: full-width content, sidebar as overlay ---- */
/* Override Quarto's grid so content takes full width */
.page-columns {
    display: block !important;
}
#quarto-document-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Sidebar: fixed overlay, hidden by default */
#quarto-margin-sidebar {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    width: min(280px, 85vw) !important;
    height: 100vh !important;
    overflow-y: auto !important;
    background: #161b22 !important;
    border-left: 1px solid #30363d !important;
    padding: 4rem 1.5rem 2rem !important;
    z-index: 499;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    grid-area: unset !important;
    box-shadow: -4px 0 16px rgba(0,0,0,0.4) !important;
}
#quarto-margin-sidebar.toc-open {
    transform: translateX(0);
}

/* ---- Back-to-site banner ---- */
.pm-site-nav {
    background: var(--pm-surface);
    border-bottom: 1px solid var(--pm-border);
    padding: 0.6rem 1.5rem;
    font-family: var(--pm-font-mono);
    font-size: 0.85rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.pm-site-nav a { color: var(--pm-accent) !important; text-decoration: none !important; }
.pm-site-nav a:hover { color: var(--pm-accent-h) !important; }
.pm-site-nav-sep { color: var(--pm-border); }

/* ---- Links ---- */
a, a:visited {
    color: var(--pm-accent) !important;
    text-decoration: none;
}
a:hover {
    color: var(--pm-accent-h) !important;
    text-decoration: underline;
}

/* ---- Headings ---- */
h1, h2, h3, h4 {
    font-family: var(--pm-font-mono) !important;
    color: var(--pm-text) !important;
    font-weight: 600;
}
h1 { font-size: 2rem; margin-bottom: 0.5rem; }
h2 {
    font-size: 1.35rem;
    border-bottom: 1px solid var(--pm-border);
    padding-bottom: 0.4rem;
    margin-top: 2.5rem;
}
h2::before { content: "## "; color: var(--pm-border); }
h3 { font-size: 1.1rem; margin-top: 1.75rem; }
h3::before { content: "### "; color: var(--pm-border); font-size: 0.9rem; }

/* ---- Post title / metadata ---- */
.quarto-title { margin-bottom: 0.5rem; }
.quarto-title-meta {
    font-family: var(--pm-font-mono);
    font-size: 0.85rem;
    color: var(--pm-muted) !important;
    border-bottom: 1px solid var(--pm-border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}
.quarto-title-meta-heading { color: var(--pm-muted) !important; }
.quarto-title-meta-contents { color: var(--pm-muted) !important; }

/* ---- TOC ---- */

nav#TOC {
    display: block !important;
    font-family: var(--pm-font-mono);
    font-size: 0.8rem;
}

/* Show all TOC items expanded at all times */
nav#TOC ul { display: block !important; }

nav#TOC .toc-title {
    color: var(--pm-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}
nav#TOC a {
    color: var(--pm-muted) !important;
    display: block;
    padding: 0.2rem 0;
    text-decoration: none !important;
    line-height: 1.4;
    border-left: 2px solid transparent;
    padding-left: 0.5rem;
}
nav#TOC a:hover {
    color: var(--pm-text) !important;
    border-left-color: var(--pm-border);
}
nav#TOC a.active {
    color: var(--pm-accent) !important;
    border-left-color: var(--pm-accent);
}
nav#TOC ul ul a {
    padding-left: 1rem;
    font-size: 0.75rem;
    color: #6e7681 !important;
}
nav#TOC ul ul a:hover,
nav#TOC ul ul a.active {
    color: var(--pm-accent) !important;
}

/* Toggle tab — always visible on right edge */
#toc-toggle {
    display: block;
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 500;
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-right: none;
    border-radius: 6px 0 0 6px;
    color: var(--pm-muted);
    font-family: var(--pm-font-mono);
    font-size: 0.7rem;
    writing-mode: vertical-rl;
    padding: 0.75rem 0.4rem;
    cursor: pointer;
    user-select: none;
    letter-spacing: 0.05em;
    transition: color 0.15s, border-color 0.15s;
}
#toc-toggle:hover {
    color: var(--pm-accent);
    border-color: var(--pm-accent);
}

/* Backdrop behind slide-in panel */
#toc-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 498;
}
#toc-backdrop.toc-backdrop-active {
    display: block;
}

/* ---- Code blocks ---- */
pre, code {
    font-family: var(--pm-font-mono) !important;
    font-size: 0.875rem;
}
pre.sourceCode, div.sourceCode {
    background: var(--pm-surface) !important;
    border: 1px solid var(--pm-border) !important;
    border-radius: 6px;
    padding: 1rem;
}
code:not(.sourceCode) {
    background: var(--pm-surface);
    border: 1px solid var(--pm-border);
    border-radius: 3px;
    padding: 0.1em 0.4em;
    color: var(--pm-accent);
}

/* ---- Notebook cell output ---- */
.cell-output, .cell-output-display {
    background: var(--pm-bg) !important;
    border-left: 3px solid var(--pm-border);
    padding-left: 1rem;
    margin-top: 0.5rem;
}
.cell-output-stdout pre {
    background: var(--pm-surface) !important;
    border: 1px solid var(--pm-border) !important;
    border-radius: 6px;
    color: var(--pm-text);
    padding: 0.75rem 1rem;
}

/* ---- Tables ---- */
table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.9rem;
}
th {
    background: var(--pm-surface);
    color: var(--pm-text);
    border: 1px solid var(--pm-border);
    padding: 0.6rem 0.75rem;
    font-family: var(--pm-font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
td {
    border: 1px solid var(--pm-border);
    padding: 0.5rem 0.75rem;
    color: var(--pm-muted);
}
tr:hover td { background: var(--pm-surface); }

/* ---- Blockquotes (callouts / notes) ---- */
blockquote {
    border-left: 3px solid var(--pm-accent);
    padding-left: 1rem;
    margin-left: 0;
    color: var(--pm-muted);
}

/* ---- Quarto callout boxes ---- */
.callout {
    background: var(--pm-surface) !important;
    border-color: var(--pm-border) !important;
    border-radius: 6px;
}
.callout-title { color: var(--pm-text) !important; }
.callout-body { color: var(--pm-muted) !important; }

/* ---- Figures & images ---- */
figure { margin: 2rem 0; }
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}
.cell-output-display img {
    max-height: 650px;
    width: auto;
}
figcaption {
    font-size: 0.82rem;
    color: var(--pm-muted);
    font-family: var(--pm-font-mono);
    text-align: center;
    margin-top: 0.5rem;
}

/* ---- Footer ---- */
.nav-footer {
    border-top: 1px solid var(--pm-border) !important;
    background: var(--pm-bg) !important;
    color: var(--pm-muted) !important;
    font-size: 0.82rem;
    font-family: var(--pm-font-mono);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--pm-bg); }
::-webkit-scrollbar-thumb { background: var(--pm-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--pm-muted); }

/* ---- Responsive ---- */
@media (max-width: 600px) {
    h1 { font-size: 1.6rem; }
    body::before { display: none; }
}