/* Shared styling for the alt-markdown demo gallery. Plain CSS, no build. */ :root { --ink: #1a1a2e; --muted: #5a5a72; --line: #e4e4ef; --accent: #4f46e5; --bg: #fbfbfe; --code-bg: #1a1a2e; --surface: #f3f3fb; --surface-card: #ffffff; --code-inline-bg: #f0f0f8; --callout-note-bg: #eef2ff; --callout-warning-bg: #fff7ed; --callout-danger-bg: #fef2f2; --callout-success-bg: #f0fdf4; --iframe-bg: #ffffff; } /* Notion-style warm dark grey, automatic on a dark OS, forceable with . */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --ink: #e6e6e4; --muted: #9b9a97; --line: #373737; --accent: #6aa3da; --bg: #191919; --code-bg: #111111; --surface: #242424; --surface-card: #202020; --code-inline-bg: #2c2c2c; --callout-note-bg: #1c2530; --callout-warning-bg: #2a2117; --callout-danger-bg: #2a1b1b; --callout-success-bg: #1a261c; --iframe-bg: #f7f7f5; } } :root[data-theme="dark"] { --ink: #e6e6e4; --muted: #9b9a97; --line: #373737; --accent: #6aa3da; --bg: #191919; --code-bg: #111111; --surface: #242424; --surface-card: #202020; --code-inline-bg: #2c2c2c; --callout-note-bg: #1c2530; --callout-warning-bg: #2a2117; --callout-danger-bg: #2a1b1b; --callout-success-bg: #1a261c; --iframe-bg: #f7f7f5; } * { box-sizing: border-box; } body { font-family: ui-serif, Georgia, "Times New Roman", serif; color: var(--ink); background: var(--bg); max-width: 46rem; margin: 0 auto; padding: 3rem 1.25rem 6rem; line-height: 1.7; font-size: 1.075rem; } h1, h2, h3 { font-family: ui-sans-serif, system-ui, sans-serif; line-height: 1.25; letter-spacing: -0.01em; } h1 { font-size: 2.4rem; margin: 0 0 0.25rem; } h2 { margin-top: 2.5rem; padding-top: 0.5rem; border-top: 1px solid var(--line); } a { color: var(--accent); } code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; background: var(--code-inline-bg); padding: 0.1em 0.35em; border-radius: 4px; } pre { background: var(--code-bg); color: #e8e8f5; padding: 1rem 1.25rem; border-radius: 10px; overflow-x: auto; font-size: 0.92rem; } pre code { background: none; padding: 0; color: inherit; } blockquote { margin: 1.5rem 0; padding: 0.4rem 1.25rem; border-left: 4px solid var(--accent); color: var(--muted); font-style: italic; } table { border-collapse: collapse; width: 100%; margin: 1.5rem 0; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 0.95rem; } th, td { border: 1px solid var(--line); padding: 0.5rem 0.75rem; text-align: left; } th { background: var(--surface); } /* Components ------------------------------------------------------------- */ figure { margin: 1.5rem 0; } figure > :first-child { margin-top: 0; } figcaption { margin-top: 0.5rem; font-size: 0.9rem; color: var(--muted); } .alt-figlabel { font-weight: 600; color: var(--accent); } .alt-xref { font-variant-numeric: tabular-nums; } .alt-cite { font-variant-numeric: tabular-nums; } .alt-references { font-size: 0.9rem; color: var(--muted); padding-left: 1.5rem; } .alt-references li { margin: 0.3rem 0; } .alt-callout { margin: 1.5rem 0; padding: 1rem 1.25rem; border-radius: 10px; border-left: 5px solid var(--muted); background: var(--surface); font-family: ui-sans-serif, system-ui, sans-serif; font-size: 0.97rem; } .alt-callout p:first-child { margin-top: 0; } .alt-callout p:last-child { margin-bottom: 0; } .alt-callout-warning { border-left-color: #d97706; background: var(--callout-warning-bg); } .alt-callout-danger { border-left-color: #dc2626; background: var(--callout-danger-bg); } .alt-callout-note, .alt-callout-info { border-left-color: var(--accent); background: var(--callout-note-bg); } .alt-callout-success { border-left-color: #16a34a; background: var(--callout-success-bg); } .alt-tablist { display: flex; gap: 0.25rem; border-bottom: 2px solid var(--line); margin-bottom: 0.5rem; } .alt-tablist button { font: inherit; font-family: ui-sans-serif, system-ui, sans-serif; font-size: 0.95rem; border: 0; background: none; padding: 0.5rem 0.9rem; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; } .alt-tablist button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; } alt-tab section { padding: 0.25rem 0; } alt-accordion details { border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 1rem; margin: 1rem 0; background: var(--surface-card); } alt-accordion summary { cursor: pointer; font-family: ui-sans-serif, system-ui, sans-serif; font-weight: 600; } .alt-chart-canvas, .alt-math-rendered { margin: 1.5rem 0; } .alt-math-rendered { text-align: center; overflow-x: auto; } alt-diagram iframe { display: block; margin: 1.5rem auto; /* Diagrams render in Mermaid's light theme (dark ink), so the backing stays light in dark mode too, presented as a rounded card. */ background: var(--iframe-bg); border-radius: 10px; max-width: 100%; } ul.contains-task-list, li.task-list-item { list-style: none; } /* Footnotes -------------------------------------------------------------- */ /* The inline marker: a small raised number that links down to the note. */ .footnote-ref { font-size: 0.75em; line-height: 0; } .footnote-ref a { text-decoration: none; padding: 0 0.1em; } /* The notes themselves read as a quieter, smaller block. A rule above the first note separates it from the body text. */ .footnote { display: flex; gap: 0.5rem; font-size: 0.9rem; color: var(--muted); } .footnote:first-of-type { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); } .footnote p { margin: 0 0 0.5rem; } /* The leading number doubles as the back-link to where the note was cited. */ .footnote-backref { flex: none; font-variant-numeric: tabular-nums; font-weight: 600; text-decoration: none; color: var(--accent); } .alt-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* Gallery index ---------------------------------------------------------- */ .gallery-card { display: block; text-decoration: none; color: inherit; border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem 1.5rem; margin: 1rem 0; background: var(--surface-card); transition: border-color 0.15s, transform 0.15s; } .gallery-card:hover { border-color: var(--accent); transform: translateY(-2px); } .gallery-card h2 { margin: 0 0 0.25rem; border: 0; padding: 0; font-size: 1.3rem; color: var(--accent); } .gallery-card p { margin: 0; color: var(--muted); font-size: 0.97rem; } .tagline { color: var(--muted); font-size: 1.1rem; } .doc-error { color: #dc2626; font-family: ui-sans-serif, system-ui, sans-serif; } /* Scroll-reveal: heavier blocks fade and rise in as they enter view. The runtime adds .altmd-reveal, then .altmd-revealed once on screen. */ .altmd-reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.55s ease, transform 0.55s ease; will-change: opacity, transform; } .altmd-revealed { opacity: 1; transform: none; } @media (prefers-reduced-motion: reduce) { .altmd-reveal { opacity: 1; transform: none; transition: none; } } /* Playground ------------------------------------------------------------- */ .pg-body { margin: 0; max-width: none; padding: 0; height: 100vh; /* Track the dynamic viewport so mobile browser chrome appearing or hiding does not crop the bottom pane or leave a dead strip. */ height: 100dvh; display: flex; flex-direction: column; font-family: ui-sans-serif, system-ui, sans-serif; background: var(--bg); color: var(--ink); } .pg-bar { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; /* Wrap rather than overflow when the controls do not fit a narrow screen. */ flex-wrap: wrap; padding: 0.6rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface); flex: none; } .pg-brand { color: var(--accent); } .pg-controls { display: flex; align-items: center; gap: 0.75rem; } .pg-field { font-size: 0.85rem; color: var(--muted); } .pg-controls select, .pg-controls button { font: inherit; font-size: 0.85rem; color: var(--ink); background: var(--surface-card); border: 1px solid var(--line); border-radius: 7px; padding: 0.3rem 0.6rem; cursor: pointer; } .pg-grid { flex: 1; display: grid; grid-template-columns: 1fr 1fr; min-height: 0; } .pg-pane { display: flex; flex-direction: column; min-height: 0; min-width: 0; border-right: 1px solid var(--line); } .pg-pane:last-child { border-right: none; } .pg-pane-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); padding: 0.4rem 1rem 0.2rem; } #src { flex: 1; resize: none; border: none; outline: none; padding: 0.5rem 1rem 1rem; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.9rem; line-height: 1.55; color: var(--ink); background: var(--bg); tab-size: 2; } #out { flex: 1; overflow: auto; padding: 0.5rem 1.5rem 3rem; max-width: none; /* A long unbroken token (a URL, a hostile zero-width run) must wrap rather than push the whole pane wider than its column. */ overflow-wrap: break-word; } /* Rendered media is clamped to the pane: an image or chart canvas can never be wider than its column, so nothing forces a horizontal scrollbar on the page. Charts also reflow their width via a ResizeObserver in the runtime; this is the belt-and-braces guard for the brief moment before that fires and for images. */ #out :is(img, svg, video) { max-width: 100%; height: auto; } /* Wide tables scroll inside their own box instead of stretching the pane. */ #out table { display: block; overflow-x: auto; } .pg-status { font-size: 0.8rem; color: var(--muted); padding: 0 1.5rem; min-height: 1.1rem; } .pg-status-error { color: #c0392b; } .pg-foot { flex: none; font-size: 0.8rem; color: var(--muted); padding: 0.5rem 1rem; border-top: 1px solid var(--line); background: var(--surface); } .pg-embed { display: inline-block; background: var(--code-inline-bg); padding: 0.1rem 0.4rem; border-radius: 5px; white-space: pre-wrap; } @media (max-width: 720px) { .pg-grid { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; } .pg-pane { border-right: none; border-bottom: 1px solid var(--line); } }