feat(homepage): rebuild the theme on canonical Australis tokens

The predecessor theme was ugly for two structural reasons, not one.

It did not use the design system's colours. It built a parallel OKLCH
palette "derived from the Australis philosophy" and swapped the canonical
typeface for Supreme -- a fork, not a theme. Every hex here is now copied
verbatim from ~/.claude/skills/australis-design/colors_and_type.css, and
build.py re-checks all 19 against that file at build time and warns on
drift so it cannot quietly fork again. Type is the canonical stack: Space
Grotesk / Inter / JetBrains Mono, vendored as latin-subset VARIABLE woff2
(one file per family, 102 KB total against 56 KB for three static Supreme
cuts, and no Google Fonts request at page load).

It also carried a generated full-bleed aurora image behind the entire
dashboard. Canon forbids exactly that -- "solid fills only on chrome, no
full-bleed photography, no decorative gradients", and the aurora motif
"never as a background fill behind text". The predecessor knew, said so in
its own header, and dialled the opacity down rather than dropping it. The
image is gone; the aurora survives as a 1px accent edge under the tab bar,
which is where canon sanctions it. The asset stays in images/ in case it
is ever revisited.

Direction is instrument panel. Group headings become the Australis mono
eyebrow with a hairline to the right edge -- canon calls the eyebrow a
system signature, and it turns the groups into register bands instead of
headings floating over a grid. Status stops shouting: the filled emerald
chips read louder than the service names they annotated, so they are now a
semantic dot plus a mono micro-label at tertiary contrast. Cards are
bordered and opaque, per canon's border-over-shadow rule for chrome.

Alignment, per operator feedback that pills and cards did not line up:

- The status cluster is centred on the service name's line rather than
  parked in the card's top-right corner, where Homepage's `absolute top-0`
  left it floating ~7px above the title's optical centre. The offsets
  reconstruct the title line box and are documented as moving together.
- Descriptions get a two-line minimum, so the common one-line/two-line mix
  bottom-aligns across a row. This is what made the grid look ragged.
  useEqualHeights stays false: it inflated short cards to match a widget
  card twice their height, which was the worse failure.
- The status dot is flex-centred rather than nudged with vertical-align,
  so it stays centred if the type scale changes.

Retires the Skyfall sources and the Supreme faces; theme/ now has one
source of truth.
This commit is contained in:
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2026-08-19 09:14:13 -07:00
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/* ============================================================
Australis Skyfall — Color Tokens v2
A ground-up web palette derived from the Australis Dark
PHILOSOPHY (not its ANSI values). Built in OKLCH so the laws
are explicit and every family stays perceptually consistent:
- All hues are cooler than neutral; nothing warmer than amber.
- One lightness law across every chromatic family:
deep L 0.48 — light-theme fills & colored text
base L 0.66 — dark-theme fills (the working color)
bright L 0.80 — dark-theme colored text & highlights
- Chroma is tuned per hue so no family shouts over another.
- Neutrals (Sea ramp) drift in hue from ice-blue (265°) toward
ocean green (195°) as they brighten — the aurora signature.
- Medium / medium-high contrast for eye comfort.
Families: Aurora (blue, cyan, green — use generously, in that
order) and Dawn (amber, red, violet — semantic accents only:
warning, danger, AI).
============================================================ */
:root {
/* ---- Sea — neutral ramp (hue 265° → 195° as L rises) ---- */
--sea-10: oklch(0.23 0.02 265);
--sea-15: oklch(0.27 0.024 268); /* dark canvas — the Australis anchor */
--sea-20: oklch(0.31 0.022 262);
--sea-25: oklch(0.35 0.02 258);
--sea-30: oklch(0.4 0.018 252);
--sea-40: oklch(0.48 0.016 245);
--sea-50: oklch(0.56 0.015 235);
--sea-60: oklch(0.64 0.014 228);
--sea-70: oklch(0.72 0.014 220);
--sea-75: oklch(0.78 0.015 212);
--sea-80: oklch(0.83 0.017 205);
--sea-90: oklch(0.9 0.02 198);
--sea-94: oklch(0.94 0.014 195);
--sea-96: oklch(0.96 0.01 195);
--sea-98: oklch(0.98 0.006 195);
/* ---- Ice — main colors (aliases into the ramp) ---- */
--ice-black: var(--sea-15);
--ice-white: var(--sea-75);
--ice-bright-white: var(--sea-90);
/* ---- Aurora — primary families (blue > cyan > green) ---- */
--blue-deep: oklch(0.48 0.12 262);
--blue-base: oklch(0.66 0.12 262);
--blue-bright: oklch(0.8 0.09 262);
--cyan-deep: oklch(0.48 0.08 200);
--cyan-base: oklch(0.66 0.1 200);
--cyan-bright: oklch(0.8 0.1 200);
--green-deep: oklch(0.48 0.11 158);
--green-base: oklch(0.66 0.13 158);
--green-bright: oklch(0.8 0.13 158);
/* ---- Dawn — accent families (semantic use only) ---- */
--amber-deep: oklch(0.52 0.1 75);
--amber-base: oklch(0.7 0.12 78);
--amber-bright: oklch(0.82 0.13 82);
--red-deep: oklch(0.5 0.15 25);
--red-base: oklch(0.62 0.16 25);
--red-bright: oklch(0.78 0.11 28);
--violet-deep: oklch(0.5 0.15 292);
--violet-base: oklch(0.66 0.14 292);
--violet-bright: oklch(0.8 0.1 292);
}
/* ============================================================
Semantic aliases — DARK (default, first-class)
============================================================ */
:root {
color-scheme: dark;
/* Surfaces */
--surface-sunken: var(--sea-10);
--surface-base: var(--sea-15);
--surface-raised: var(--sea-20);
--surface-overlay: oklch(0.34 0.022 260);
--surface-card: var(--sea-20);
--surface-input: var(--sea-10);
--surface-scrim: oklch(0.17 0.02 265 / 0.72);
/* Text */
--text-heading: var(--sea-90);
--text-body: var(--sea-75);
--text-muted: var(--sea-60);
--text-faint: var(--sea-50);
--text-inverse: var(--sea-15);
--text-link: var(--blue-bright);
--text-link-hover: var(--sea-90);
/* Borders */
--border-subtle: var(--sea-25);
--border-default: var(--sea-30);
--border-strong: var(--sea-40);
--border-focus: var(--blue-base);
/* Accent (primary = aurora blue) */
--accent: var(--blue-base);
--accent-hover: oklch(0.71 0.11 262);
--accent-active: oklch(0.6 0.13 262);
--accent-bright: var(--blue-bright);
--accent-text: var(--blue-bright);
--accent-contrast: var(--sea-10);
--accent-soft: color-mix(in oklab, var(--blue-base) 16%, transparent);
--accent-soft-hover: color-mix(in oklab, var(--blue-base) 26%, transparent);
/* Secondary accent (aurora cyan) */
--secondary: var(--cyan-base);
--secondary-bright: var(--cyan-bright);
--secondary-text: var(--cyan-bright);
--secondary-soft: color-mix(in oklab, var(--cyan-base) 14%, transparent);
/* Semantic status */
--success: var(--green-base);
--success-text: var(--green-bright);
--success-soft: color-mix(in oklab, var(--green-base) 14%, transparent);
--warning: var(--amber-base);
--warning-text: var(--amber-bright);
--warning-soft: color-mix(in oklab, var(--amber-base) 13%, transparent);
--danger: var(--red-base);
--danger-hover: oklch(0.67 0.15 25);
--danger-text: var(--red-bright);
--danger-contrast: var(--sea-10);
--danger-soft: color-mix(in oklab, var(--red-base) 13%, transparent);
--info: var(--blue-base);
--info-text: var(--blue-bright);
--info-soft: color-mix(in oklab, var(--blue-base) 14%, transparent);
--ai: var(--violet-base);
--ai-text: var(--violet-bright);
--ai-soft: color-mix(in oklab, var(--violet-base) 13%, transparent);
/* Selection */
--selection-bg: var(--blue-base);
--selection-fg: var(--sea-10);
}
/* ============================================================
Semantic aliases — LIGHT ("Skyfall Day")
Same laws, inverted: surfaces at L 0.94–0.98, text at L 0.27–0.45,
chromatic fills & colored text drop to the deep (L 0.48) step.
============================================================ */
[data-theme="light"] {
color-scheme: light;
/* Surfaces */
--surface-sunken: var(--sea-94);
--surface-base: var(--sea-96);
--surface-raised: var(--sea-98);
--surface-overlay: #ffffff;
--surface-card: var(--sea-98);
--surface-input: #ffffff;
--surface-scrim: oklch(0.27 0.024 268 / 0.4);
/* Text */
--text-heading: var(--sea-15);
--text-body: oklch(0.38 0.02 255);
--text-muted: var(--sea-50);
--text-faint: var(--sea-60);
--text-inverse: var(--sea-90);
--text-link: var(--blue-deep);
--text-link-hover: var(--sea-15);
/* Borders */
--border-subtle: oklch(0.89 0.014 210);
--border-default: oklch(0.84 0.016 215);
--border-strong: var(--sea-75);
--border-focus: var(--blue-deep);
/* Accent */
--accent: var(--blue-deep);
--accent-hover: oklch(0.53 0.12 262);
--accent-active: oklch(0.44 0.12 262);
--accent-bright: var(--blue-base);
--accent-text: var(--blue-deep);
--accent-contrast: #ffffff;
--accent-soft: color-mix(in oklab, var(--blue-deep) 10%, transparent);
--accent-soft-hover: color-mix(in oklab, var(--blue-deep) 18%, transparent);
/* Secondary accent */
--secondary: var(--cyan-deep);
--secondary-bright: var(--cyan-base);
--secondary-text: var(--cyan-deep);
--secondary-soft: color-mix(in oklab, var(--cyan-deep) 9%, transparent);
/* Semantic status */
--success: var(--green-deep);
--success-text: var(--green-deep);
--success-soft: color-mix(in oklab, var(--green-deep) 10%, transparent);
--warning: var(--amber-deep);
--warning-text: var(--amber-deep);
--warning-soft: color-mix(in oklab, var(--amber-base) 16%, transparent);
--danger: var(--red-deep);
--danger-hover: oklch(0.55 0.16 25);
--danger-text: var(--red-deep);
--danger-contrast: #ffffff;
--danger-soft: color-mix(in oklab, var(--red-deep) 8%, transparent);
--info: var(--blue-deep);
--info-text: var(--blue-deep);
--info-soft: color-mix(in oklab, var(--blue-deep) 9%, transparent);
--ai: var(--violet-deep);
--ai-text: var(--violet-deep);
--ai-soft: color-mix(in oklab, var(--violet-deep) 9%, transparent);
/* Selection */
--selection-bg: var(--blue-base);
--selection-fg: #ffffff;
}