/* textbase.fyi — Zine / Indie Web aesthetic
   Fraunces for headings, Inter for body
   Light background, playful multi-color accents
   Hash-derived per-wiki accent colors
*/

:root {
    --bg: #f8f5f0;
    --bg-card: #fffcf8;
    --fg: #1e1b17;
    --fg-muted: #7a7268;
    --fg-dim: #b0a89e;
    --border: #e6dfd6;
    --border-strong: #cdc4b8;
    --accent: #e65c4f;     /* default fallback */
    --accent-soft: #f0d6d0;
    --accent-dim: rgba(230, 92, 79, 0.08);
    --wiki-accent: var(--accent);
    --wiki-accent-soft: var(--accent-soft);
    --wiki-accent-dim: var(--accent-dim);
    --code-bg: #efeae2;
    --callout-bg: #f3efe8;
    --max-width: 740px;
    --content-width: 680px;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --display: 'Fraunces', Georgia, 'Times New Roman', serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1714;
        --bg-card: #211e1a;
        --fg: #e2dbd2;
        --fg-muted: #a0988e;
        --fg-dim: #6b655c;
        --border: #2e2a25;
        --border-strong: #403a34;
        --code-bg: #25221e;
        --callout-bg: #221f1b;
        --accent-soft: #3d2824;
        --accent-dim: rgba(230, 92, 79, 0.12);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.7;
    color: var(--fg);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ─────────────────────────────────────────── */

.page-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
}

/* ── Navigation ─────────────────────────────────────── */

header {
    margin-bottom: 2.5rem;
}

nav {
    font-family: var(--sans);
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.2rem;
}

.nav-home {
    font-weight: 600;
    color: var(--fg);
    text-decoration: none;
    letter-spacing: -0.01em;
    border-bottom: 2px solid var(--wiki-accent);
    padding-bottom: 1px;
}
.nav-home:hover { color: var(--wiki-accent); }

.nav-sep {
    color: var(--fg-dim);
    font-weight: 300;
    font-size: 0.85em;
}

.nav-wiki {
    color: var(--fg-muted);
    text-decoration: none;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nav-wiki:hover { color: var(--wiki-accent); }

.nav-section {
    color: var(--wiki-accent);
    font-weight: 500;
    text-transform: lowercase;
}

.nav-extra {
    margin-top: 0.4rem;
    font-family: var(--sans);
    font-size: 0.75rem;
}

.nav-extra-link {
    color: var(--fg-muted);
    text-decoration: none;
    text-transform: lowercase;
}
.nav-extra-link:hover { color: var(--wiki-accent); }

/* ── Hero (homepage) ────────────────────────────────── */

.hero {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
}

.hero h1 {
    font-family: var(--display);
    font-size: 3.2rem;
    font-weight: 400;
    font-variation-settings: "opsz" 72;
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--fg);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--fg-muted);
    font-style: italic;
}

/* ── Stats Bar (homepage) ───────────────────────────── */

.stats-bar {
    font-family: var(--sans);
    font-size: 0.82rem;
    color: var(--fg-muted);
    margin-bottom: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.stat-sep {
    color: var(--fg-dim);
    font-weight: 700;
}

.stat-link {
    color: var(--fg-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}
.stat-link:hover {
    color: var(--wiki-accent);
    border-bottom-color: var(--wiki-accent);
}

/* ── Article Header ─────────────────────────────────── */

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 2px solid var(--accent);
    border-bottom-color: var(--wiki-accent);
}

.article-section {
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--wiki-accent);
    display: block;
    margin-bottom: 0.5rem;
}

.article-description {
    font-size: 0.95rem;
    color: var(--fg-muted);
    margin-top: 0.75rem;
    line-height: 1.5;
}

.article-author {
    font-size: 0.82rem;
    color: var(--fg-muted);
    margin-top: 0.4rem;
    font-style: italic;
}

h1 {
    font-family: var(--display);
    font-size: 2.2rem;
    font-weight: 500;
    font-variation-settings: "opsz" 64;
    line-height: 1.2;
    letter-spacing: -0.015em;
}

/* ── Skills Card (wiki index) ───────────────────────── */

.skills-card {
    background: var(--bg-card);
    border: 2px solid var(--wiki-accent);
    border-radius: 0;
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
    position: relative;
}

.skills-card h2 {
    font-family: var(--display);
    font-size: 1rem;
    font-weight: 600;
    font-variation-settings: "opsz" 36;
    color: var(--wiki-accent);
    margin-bottom: 0.35rem;
    text-transform: lowercase;
}

.skills-note {
    font-size: 0.82rem;
    color: var(--fg-muted);
    margin-bottom: 1rem;
    font-style: italic;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-entry {
    padding: 0.75rem 1rem;
    background: var(--wiki-accent-dim);
    border-left: 3px solid var(--wiki-accent);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.skill-name {
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 600;
    background: transparent;
    padding: 0;
    color: var(--fg);
}

.skill-badge {
    font-family: var(--sans);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--wiki-accent);
    color: #fff;
    padding: 0.1rem 0.4rem;
}

.skill-purpose {
    font-size: 0.82rem;
    color: var(--fg-muted);
    line-height: 1.4;
}

/* ── Typography ─────────────────────────────────────── */

.article-body {
    max-width: var(--content-width);
}

h2 {
    font-family: var(--display);
    font-size: 1.4rem;
    font-weight: 500;
    font-variation-settings: "opsz" 48;
    margin: 2.5rem 0 0.75rem;
    line-height: 1.3;
    color: var(--fg);
}

h2:first-child {
    margin-top: 1rem;
}

h3 {
    font-family: var(--display);
    font-size: 1.1rem;
    font-weight: 600;
    font-variation-settings: "opsz" 36;
    margin: 1.75rem 0 0.5rem;
    line-height: 1.3;
}

h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}

.article-body p {
    margin-bottom: 1.1rem;
}

/* ── Links ──────────────────────────────────────────── */

a {
    color: var(--fg);
    text-decoration: none;
    border-bottom: 1px solid var(--border-strong);
    transition: border-color 0.12s ease, color 0.12s ease;
}
a:hover {
    color: var(--wiki-accent);
    border-bottom-color: var(--wiki-accent);
}

:focus-visible {
    outline: 2px solid var(--wiki-accent);
    outline-offset: 2px;
}
a:focus-visible {
    border-bottom-color: var(--wiki-accent);
}

/* ── Lists ──────────────────────────────────────────── */

ul, ol {
    margin: 0.5rem 0 1rem 1.5rem;
}
li {
    margin-bottom: 0.3rem;
}
li::marker {
    color: var(--wiki-accent);
}

/* ── Code ───────────────────────────────────────────── */

code {
    font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.82em;
    background: var(--code-bg);
    padding: 0.15em 0.4em;
    border-radius: 2px;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    padding: 1rem 1.15rem;
    overflow-x: auto;
    margin: 1.15rem 0;
    line-height: 1.5;
    font-size: 0.85rem;
}

pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
}

/* ── Tables ─────────────────────────────────────────── */

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.15rem 0;
    font-size: 0.88rem;
}

th, td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

th {
    font-weight: 600;
    background: var(--callout-bg);
}

/* ── Blockquotes / Callouts ─────────────────────────── */

blockquote {
    border-left: 3px solid var(--wiki-accent);
    padding: 0.65rem 1rem;
    margin: 1.15rem 0;
    background: var(--callout-bg);
    font-size: 0.92rem;
    color: var(--fg-muted);
}

blockquote p:last-child { margin-bottom: 0; }

/* ── Horizontal Rules ───────────────────────────────── */

hr {
    border: none;
    height: 2px;
    background: var(--border);
    margin: 2.5rem 0;
}

/* ── Images ─────────────────────────────────────────── */

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

/* ── SMILES ─────────────────────────────────────────── */

.smiles-canvas {
    display: block;
    max-width: 100%;
    margin: 1rem 0;
    border: 1px solid var(--border);
}

/* ── Mermaid ────────────────────────────────────────── */

.mermaid {
    text-align: center;
    margin: 1.5rem 0;
}
@media (prefers-color-scheme: dark) {
    .mermaid svg { filter: invert(0.9) hue-rotate(180deg); }
    .smiles-canvas { background: #fff; }
}

/* ── KaTeX ──────────────────────────────────────────── */

.katex-display {
    margin: 1.15rem 0;
    overflow-x: auto;
    padding: 0.2rem 0;
}

/* ── Broken Links ───────────────────────────────────── */

.broken-link {
    color: var(--fg-dim);
    text-decoration: line-through;
    cursor: help;
}

/* ── Wiki Directory (homepage) ──────────────────────── */

.wiki-directory {
    margin-bottom: 2.5rem;
}

.wiki-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wiki-entry {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
    padding-left: 1rem;
    margin-left: -1rem;
    transition: border-color 0.15s ease;
    border-left-color: var(--wiki-accent);
}

.wiki-entry:first-of-type {
    border-top: 1px solid var(--border);
}

.wiki-link {
    font-family: var(--display);
    font-size: 1.25rem;
    font-weight: 500;
    font-variation-settings: "opsz" 48;
    display: block;
    margin-bottom: 0.25rem;
    border-bottom: none;
}
.wiki-link:hover { border-bottom: none; }

.wiki-desc {
    font-size: 0.88rem;
    color: var(--fg-muted);
    margin-bottom: 0.3rem;
    line-height: 1.45;
}

.wiki-meta {
    font-family: var(--sans);
    font-size: 0.75rem;
    color: var(--fg-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.2rem;
}

.wiki-author {
    color: var(--fg-muted);
}

.meta-sep {
    color: var(--fg-dim);
    font-weight: 700;
    font-size: 0.8em;
}

.wiki-skills-badge {
    color: var(--wiki-accent);
    font-weight: 500;
}

.wiki-changelog-link,
.wiki-feed-link {
    color: var(--fg-muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}
.wiki-changelog-link:hover,
.wiki-feed-link:hover {
    color: var(--wiki-accent);
    border-bottom-color: var(--wiki-accent);
}

/* ── Content Section ────────────────────────────────── */

.content {
    margin-top: 1rem;
}

.content h2 {
    font-family: var(--display);
    font-size: 1.2rem;
    font-weight: 500;
    font-variation-settings: "opsz" 48;
}

/* ── Footer ─────────────────────────────────────────── */

.footer-rule {
    width: 40px;
    height: 2px;
    background: var(--border-strong);
    margin: 0 0 1rem;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

footer p {
    font-family: var(--sans);
    font-size: 0.75rem;
    color: var(--fg-muted);
}

.footer-updated {
    font-size: 0.7rem;
    color: var(--fg-dim);
}

footer a {
    color: var(--fg-muted);
    border-bottom: 1px solid transparent;
}
footer a:hover {
    color: var(--fg);
    border-bottom-color: var(--fg-muted);
}

/* ── Skip Link ──────────────────────────────────────── */

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    padding: 0.5rem 1rem;
    background: var(--wiki-accent);
    color: #fff;
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    z-index: 100;
    border-bottom: none;
}
.skip-link:focus {
    top: 0;
}

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 800px) {
    .page-grid { padding: 2rem 1.25rem 2.5rem; }
    .hero h1 { font-size: 2.6rem; }
    h1 { font-size: 1.8rem; }
}

@media (max-width: 600px) {
    .page-grid { padding: 1.5rem 1rem 2rem; }
    .hero h1 { font-size: 2.2rem; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
    .skills-card { padding: 1rem; }
    .wiki-entry { padding: 1rem 0; padding-left: 0.75rem; margin-left: -0.75rem; }
    .nav-wiki { max-width: 160px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .wiki-meta { font-size: 0.7rem; }
}

@media print {
    body { font-size: 11pt; line-height: 1.4; color: #000; background: #fff; }
    .page-grid { max-width: 100%; padding: 0; }
    header, footer, .skills-card, .nav-extra { display: none; }
    a { color: #000; border-bottom: none; text-decoration: underline; }
    a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
    pre, code, blockquote { background: none; border: 1px solid #ccc; }
    .article-header { border-bottom: 1px solid #ccc; }
    h1, h2, h3 { page-break-after: avoid; }
}