b44532665f
One of four divergent candidates for the bold consumer theme family (committed saturated color at 30-60% surface coverage, strong display type). Includes the post-diverge fixes: heading color:inherit so brand slabs keep their foreground pairing, plus per-theme refinements. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
57 lines
2.7 KiB
Markdown
57 lines
2.7 KiB
Markdown
# lib-theme-vermilion
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**Poster chrome.** A bold, identity-forward Crema theme: one hot vermilion
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red-orange is the brand, and it is carried by the *chrome* — the primary
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action, hero panels, the entire sidebar, selection — in big committed slabs,
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editorial-poster style. Roughly 30–40% of a typical screen is drenched
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vermilion, while the content well stays warm paper with near-black warm ink,
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so the color reads as identity, not noise. Massive condensed display type
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(Anton) is the other half of the voice: the vermilion and the type do the
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pointing together, and everything else stays quiet ink-on-paper.
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Key decisions:
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- `--primary` is the poster vermilion `oklch(0.55 0.21 30)` — deepened from
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the nominal 0.60 so near-white ink clears the 4.5:1 floor with margin.
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- `--sidebar` is fully drenched vermilion (near-white foreground, white-alpha
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hairline borders); the active item is a paper chip punched out of the slab.
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- `--destructive` is deliberately not a sibling of the brand: deeper crimson
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(`oklch(0.48 0.19 15)`, light label) vs the brighter orange-leaning primary,
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so a destructive button and a primary button never look related.
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- Dark mode is the poster at night: near-black warm charcoal
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(`oklch(0.18 0.01 40)`), cards stepping ≥0.05 lighter, and the vermilion
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glowing slightly brighter (`oklch(0.64 0.2 33)`) with dark ink on top. The
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chrome stays vermilion — the sidebar does not go grey at night.
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- Radius `0.5rem` (poster edges), snappy motion (120/240/360/500ms, springs
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aliased), low warm-black shadows.
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## Fonts
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Consuming apps load the fonts via a Google Fonts `@import` at the very top of
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their entry CSS (never inside `theme.css` — see the token contract):
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```css
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@import url("https://fonts.googleapis.com/css2?family=Anton&family=Archivo:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");
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```
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Notes:
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- **Anton** (headings) ships in a single weight, 400 — it is already
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black-condensed, so the theme keeps heading `font-weight: 400`, opens
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tracking a hair (`letter-spacing: 0.01em`; condensed faces need air), and
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does **not** force uppercase — the face carries the register on its own.
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Big sizes stay narrow: the ramp tops out at a 4rem hero.
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- **Archivo** (body) at 400/500/600/700 — a grotesque with enough width
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contrast against Anton to keep reading text calm.
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- **JetBrains Mono** (code) at 400/500/600.
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## Validation
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```bash
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node create-crema-app/scripts/validate-theme.mjs lib-theme-vermilion/theme.css
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```
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Passes the Crema v1 token contract: full Tier-1 token set in both modes,
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status quartet with ≥4.5:1 label pairs, contrast floors in light and dark,
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chart hues ≥60° apart, inert glass stubs, springs aliased (never absent).
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