Brendan Chen
2ed585029b
Content region gets a shared top padding on .page > main so every consuming site has the same nav-to-content gap (matches newerror's .about spacing). When newerror adopts the submodule, its per-page-type top paddings become deltas over this baseline. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01C96hwEU9cM7mJpqATiv7R5
317 lines
9.3 KiB
CSS
317 lines
9.3 KiB
CSS
/* =====================================================================
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static-design-system — base.css
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Shared visual foundation for the bchen.dev static sites.
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Canonical design: "A New Error" (newerror.bchen.dev) — the "Ledger"
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direction: Spectral serif body, Helvetica sans UI, IBM Plex Mono.
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HOW COLOR WORKS
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Every color is a CSS custom property. The values below are DEFAULTS
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(newerror's palette). Each consuming site overrides ONLY these color
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tokens in its own colors.css, which loads AFTER this file. Fonts,
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spacing, typography, nav/footer chrome, and dark-mode behavior are
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shared and should NOT be re-declared per site.
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IMPORTANT: keep this file Liquid-safe. Its contents are passed through the
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Jekyll include tag by each site's served wrapper (assets/ds.css), so do NOT
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introduce Liquid delimiters (double-brace or brace-percent sequences).
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Plain CSS braces are fine.
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===================================================================== */
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:root {
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/* Type */
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--serif: "Spectral", Georgia, "Times New Roman", serif;
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--sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
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--mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
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/* Layout */
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--measure: 760px; /* standard content column */
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--read: 680px; /* narrower reading column (articles) */
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--pad: 34px;
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--gutter: 104px; /* date column width (ledger layouts) */
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}
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/* ---- Color tokens — DEFAULTS (newerror). Override per site in colors.css ---- */
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:root, :root[data-theme="light"] {
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--bg: #FAFBFC;
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--ink: #1B2027;
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--muted: #69717C;
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--faint: #99A1AC;
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--rule: #E6E9EF;
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--rule-2: #b6b9be;
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--accent: #1463C7;
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--accent-hover: #0F4FA3;
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--field: #F1F3F6;
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}
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:root[data-theme="dark"] {
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--bg: #14171C;
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--ink: #E2E6EC;
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--muted: #9AA2AD;
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--faint: #69717C;
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--rule: #262B32;
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--rule-2: #5e6670;
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--accent: #6FA9F2;
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--accent-hover: #97C1F8;
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--field: #1D2128;
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}
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@media (prefers-color-scheme: dark) {
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:root:not([data-theme="light"]) {
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--bg: #14171C;
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--ink: #E2E6EC;
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--muted: #9AA2AD;
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--faint: #69717C;
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--rule: #262B32;
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--rule-2: #5e6670;
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--accent: #6FA9F2;
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--accent-hover: #97C1F8;
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--field: #1D2128;
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}
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}
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/* =====================================================================
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Base
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===================================================================== */
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* { box-sizing: border-box; }
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html { -webkit-text-size-adjust: 100%; }
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body {
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margin: 0;
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background: var(--bg);
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color: var(--ink);
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font-family: var(--serif);
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font-size: 18px;
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line-height: 1.6;
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-webkit-font-smoothing: antialiased;
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text-rendering: optimizeLegibility;
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transition: background-color 0.25s ease, color 0.25s ease;
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}
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::selection { background: color-mix(in oklab, var(--accent) 22%, transparent); }
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a { color: inherit; }
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/* ---- shell / responsive width ---- */
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.shell {
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width: 100%;
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max-width: var(--measure);
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margin-inline: auto;
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padding-inline: var(--pad);
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}
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.page { min-height: 100vh; display: flex; flex-direction: column; }
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.page > main { flex: 1 0 auto; padding-top: 56px; } /* standard nav->content rhythm */
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/* =====================================================================
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Top navigation
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===================================================================== */
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.nav {
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font-family: var(--sans);
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display: flex;
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align-items: baseline;
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justify-content: space-between;
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gap: 16px;
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padding: 38px 0 18px;
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border-bottom: 1px solid var(--rule);
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}
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.nav.minimal { border-bottom: none; padding-bottom: 0; }
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.mast {
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font-family: var(--serif);
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font-size: 20px;
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font-weight: 600;
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letter-spacing: 0.005em;
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color: var(--ink);
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text-decoration: none;
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white-space: nowrap;
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}
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.mast:hover { color: var(--accent); }
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.nav-links {
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display: flex;
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align-items: baseline;
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gap: 26px;
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}
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.nav-links a, .iconbtn {
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font-family: var(--sans);
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font-size: 13.5px;
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letter-spacing: 0.01em;
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color: var(--muted);
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text-decoration: none;
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cursor: pointer;
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background: none;
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border: none;
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padding: 0;
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}
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.nav-links a:hover, .iconbtn:hover { color: var(--accent); }
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.nav-links a.active { color: var(--ink); }
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.nav-tools { display: flex; align-items: center; gap: 18px; }
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.iconbtn {
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display: inline-flex; align-items: center; justify-content: center;
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width: 26px; height: 26px; border-radius: 6px;
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color: var(--muted);
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}
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.iconbtn:hover { color: var(--accent); background: var(--field); }
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.iconbtn svg { width: 15px; height: 15px; display: block; }
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/* hamburger — hidden on desktop */
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.hamburger { display: none; }
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.mobile-menu { display: none; }
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/* =====================================================================
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Footer
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===================================================================== */
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.foot {
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font-family: var(--sans);
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border-top: 1px solid var(--rule);
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margin-top: 20px;
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padding: 22px 0 40px;
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display: flex; align-items: center; justify-content: space-between;
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gap: 16px;
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font-size: 12.5px;
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color: var(--faint);
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flex: 0 0 auto;
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}
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.foot a { color: var(--muted); text-decoration: none; }
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.foot a:hover { color: var(--accent); }
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.foot .rss-link { display: inline-flex; align-items: center; gap: 7px; }
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/* =====================================================================
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Prose — reusable content typography (markdown pages, articles)
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Wrap rendered content in <div class="prose"> to opt in.
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===================================================================== */
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.prose { font-size: 19.5px; line-height: 1.68; color: var(--ink); }
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.prose > :first-child { margin-top: 0; }
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.prose p { margin: 0 0 1.3em; text-wrap: pretty; }
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.prose h1 {
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font-family: var(--serif);
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font-size: 32px; line-height: 1.16; font-weight: 600;
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letter-spacing: -0.018em; color: var(--ink);
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margin: 0 0 0.5em; text-wrap: pretty;
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}
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.prose h2 {
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font-family: var(--serif);
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font-size: 25px; font-weight: 600; line-height: 1.25;
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letter-spacing: -0.01em;
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margin: 2em 0 0.6em;
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}
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.prose h3 {
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font-family: var(--serif);
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font-size: 21px; font-weight: 600;
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margin: 1.7em 0 0.5em;
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}
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.prose a {
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color: var(--ink);
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text-decoration: underline;
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text-decoration-color: var(--rule-2);
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text-underline-offset: 2px;
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text-decoration-thickness: 1px;
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}
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.prose a:hover { color: var(--accent); text-decoration-color: var(--accent); }
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.prose strong { font-weight: 600; }
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.prose em { font-style: italic; }
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.prose blockquote {
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margin: 1.6em 0;
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padding-left: 22px;
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border-left: 2px solid var(--rule-2);
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color: var(--muted);
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font-style: italic;
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}
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.prose blockquote p:last-child { margin-bottom: 0; }
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.prose ul, .prose ol { margin: 0 0 1.3em; padding-left: 1.3em; }
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.prose li { margin: 0.3em 0; padding-left: 0.2em; }
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.prose li::marker { color: var(--faint); }
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.prose hr {
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border: none; height: 0;
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border-top: 1px solid var(--rule);
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margin: 2.4em auto;
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width: 40%;
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}
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.prose code {
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font-family: var(--mono);
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font-size: 0.82em;
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background: var(--field);
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padding: 0.12em 0.4em;
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border-radius: 4px;
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}
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.prose pre {
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font-family: var(--mono);
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font-size: 14px; line-height: 1.55;
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background: var(--field);
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padding: 18px 20px;
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border-radius: 8px;
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overflow-x: auto;
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margin: 1.5em 0;
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}
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.prose pre code { background: none; padding: 0; font-size: inherit; }
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.prose figure { margin: 2em 0; }
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.prose figure img { display: block; width: 100%; height: auto; border-radius: 3px; }
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.prose figcaption {
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font-family: var(--sans);
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font-size: 12.5px; color: var(--faint);
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margin-top: 10px; text-align: left;
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}
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.prose img { max-width: 100%; height: auto; }
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/* =====================================================================
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Mobile
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===================================================================== */
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@media (max-width: 640px) {
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:root { --pad: 22px; --gutter: 74px; }
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body { font-size: 17px; }
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.nav-links { display: none; }
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.hamburger { display: inline-flex; }
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.mobile-menu {
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display: none;
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font-family: var(--sans);
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}
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.mobile-menu.open {
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display: flex; flex-direction: column;
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gap: 2px;
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padding: 8px 0 14px;
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border-bottom: 1px solid var(--rule);
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}
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.mobile-menu a, .mobile-menu button {
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font-family: var(--sans);
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text-align: left;
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background: none; border: none; cursor: pointer;
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color: var(--ink);
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font-size: 16px;
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padding: 12px 4px;
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text-decoration: none;
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border-radius: 6px;
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}
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.mobile-menu a:hover, .mobile-menu button:hover { color: var(--accent); }
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.mobile-menu .row { display: flex; align-items: center; gap: 10px; }
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.prose { font-size: 18.5px; }
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.prose h1 { font-size: 30px; }
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}
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/* =====================================================================
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Icon swaps (theme toggle + hamburger), driven by [data-theme] / .is-open
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===================================================================== */
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.theme-toggle .ico-sun { display: none; }
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.theme-toggle .ico-moon { display: block; }
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:root[data-theme="dark"] .theme-toggle .ico-moon { display: none; }
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:root[data-theme="dark"] .theme-toggle .ico-sun { display: block; }
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@media (prefers-color-scheme: dark) {
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:root:not([data-theme="light"]) .theme-toggle .ico-moon { display: none; }
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:root:not([data-theme="light"]) .theme-toggle .ico-sun { display: block; }
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}
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.hamburger .ico-close { display: none; }
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.hamburger.is-open .ico-bars { display: none; }
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.hamburger.is-open .ico-close { display: block; }
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/* reduce motion */
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@media (prefers-reduced-motion: reduce) {
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* { transition: none !important; }
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}
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