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369d1cd8f7
Glaze is glass with a dial: --nv-glass-frost (0 clear .. 1 heavy) moves backdrop blur, tint and saturation together, read where the surface is drawn so any subtree or slider can change it. A masked rim and a specular bloom follow the pointer via niveus.js; without it the light sits at its default and the material still reads. Falls back to the elevated solid under reduced transparency or without backdrop-filter. New components: .nv-slider (binds to a token with data-nv-var), .nv-calendar, .nv-timepicker (24-hour by default, optional 24H / AM/PM switch, value always HH:MM), and .nv-picker with .nv-menu--listbox (search, type-ahead, keys). All render without niveus.js except where noted. GUIDELINES.md is the normative rulebook for people and AI agents. check.py, build.py and build.py --check pass. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
190 lines
10 KiB
CSS
190 lines
10 KiB
CSS
/* ==========================================================================
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Niveus — Light appearance
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--------------------------------------------------------------------------
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Values for the light side of every semantic role. Nothing here is consumed
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by components directly; tokens/color.css resolves these through light-dark().
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Almost nothing below is a literal color. Each role is *derived* from
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--nv-brand, so setting one value re-colours the entire system: the accent
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and its states, what text goes on top of it, how the status colors lean, and
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how much of the brand bleeds into the greys. See tokens/color.css for the
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inputs.
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Light Niveus reads as soft paper and enamel on a warm grey desk: surfaces
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that hold content stay near-white, so documents never look yellowed; the
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canvas around them is a few steps warmer and darker, so a window sits *on*
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something. Raised controls are bevelled — a bright top edge, a soft shade
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along the bottom, light falling across the face — and shadows are warm,
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the color of shade on paper rather than of a grey filter.
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========================================================================== */
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:root {
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/* Follow the environment unless the application states an appearance. */
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color-scheme: light dark;
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}
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:root[data-theme="light"] {
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color-scheme: light;
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}
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/* [data-nv-brand] re-derives the whole set for a subtree, so one region can
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carry a different brand without a second theme. */
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:root,
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[data-nv-brand] {
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/* --- Canvas and surfaces -----------------------------------------------
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Paper stays paper: the two surfaces that hold content are left untinted so
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text keeps its contrast. Everything the surfaces sit *in* picks up a trace
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of the brand, which is what stops an accent from looking stuck on. */
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--nv-light-background: color-mix(in oklab, #e8e5de, var(--nv-brand) var(--nv-brand-tint));
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--nv-light-background-subtle: color-mix(in oklab, #eeece6, var(--nv-brand) var(--nv-brand-tint));
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--nv-light-surface: #fbfbfa;
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--nv-light-surface-elevated: #f8f8f6;
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--nv-light-surface-inset: color-mix(in oklab, #eeede8, var(--nv-brand) var(--nv-brand-tint));
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--nv-light-surface-hover: color-mix(in oklab, #f1f0ec, var(--nv-brand) var(--nv-brand-tint));
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--nv-light-surface-active: color-mix(in oklab, #e6e5e0, var(--nv-brand) var(--nv-brand-tint));
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--nv-light-scrim: rgb(28 24 18 / 0.34);
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/* --- Text ---------------------------------------------------------------
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Primary text stays neutral — it carries the reading contrast. The quieter
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two lean towards the brand, where a tint reads as warmth rather than as a
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loss of legibility. */
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--nv-light-text-primary: var(--nv-palette-neutral-900);
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--nv-light-text-secondary: color-mix(in oklab, var(--nv-palette-neutral-600), var(--nv-brand) 8%);
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--nv-light-text-tertiary: color-mix(in oklab, var(--nv-palette-neutral-500), var(--nv-brand) 8%);
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--nv-light-text-disabled: var(--nv-palette-neutral-400);
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--nv-light-text-inverted: var(--nv-palette-neutral-0);
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/* --- Borders ------------------------------------------------------------ */
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--nv-light-border-subtle: rgb(28 24 18 / 0.07);
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--nv-light-border: rgb(28 24 18 / 0.13);
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--nv-light-border-strong: rgb(28 24 18 / 0.22);
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/* --- Accent --------------------------------------------------------------
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Every filled color is pushed away from the middle of the lightness range
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before it is used. A mid-tone is the one place where neither white nor
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black text reaches 4.5:1, so a brand that lands there is darkened until
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white works — or, if it is already light, lightened until black does. The
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brand's hue and chroma are untouched; only its lightness moves, and only
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as far as it has to. */
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--nv-light-accent: oklch(from var(--nv-brand) calc(
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clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1) * min(l, var(--nv-contrast-dark)) +
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(1 - clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1)) * max(l, var(--nv-contrast-light))
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) clamp(0.02, c, 0.25) h);
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--nv-light-accent-hover: oklch(from var(--nv-light-accent) calc(l - 0.045) c h);
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--nv-light-accent-active: oklch(from var(--nv-light-accent) calc(l - 0.09) c h);
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--nv-light-accent-subtle: oklch(from var(--nv-light-accent) 0.965 calc(c * 0.16) h);
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--nv-light-accent-subtle-hover: oklch(from var(--nv-light-accent) 0.93 calc(c * 0.22) h);
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--nv-light-accent-border: oklch(from var(--nv-light-accent) l c h / 0.32);
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--nv-light-accent-text: oklch(from var(--nv-light-accent) clamp(0.3, calc(l - 0.12), 0.5) c h);
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/* Text that lands on the color itself. The clamp is a step function: below
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the lightness threshold it resolves to 1 and the text goes near-white,
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above it to 0 and the text goes near-black — so a yellow brand gets dark
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labels and a navy one gets light labels, with no second token to set. */
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--nv-light-on-accent: oklch(from var(--nv-light-accent)
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calc(0.14 + clamp(0, (0.68 - l) * 100, 1) * 0.84)
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calc(c * 0.2) h);
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/* --- Success ------------------------------------------------------------- */
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--nv-light-success: oklch(from
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color-mix(in oklab, var(--nv-palette-success-500), var(--nv-brand) var(--nv-brand-harmony))
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calc(
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clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1) * min(l, var(--nv-contrast-dark)) +
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(1 - clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1)) * max(l, var(--nv-contrast-light))
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) clamp(0.02, c, 0.25) h);
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--nv-light-success-hover: oklch(from var(--nv-light-success) calc(l - 0.05) c h);
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--nv-light-success-subtle: oklch(from var(--nv-light-success) 0.965 calc(c * 0.16) h);
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--nv-light-success-border: oklch(from var(--nv-light-success) l c h / 0.3);
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--nv-light-success-text: oklch(from var(--nv-light-success) clamp(0.3, calc(l - 0.1), 0.48) c h);
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--nv-light-on-success: oklch(from var(--nv-light-success)
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calc(0.14 + clamp(0, (0.68 - l) * 100, 1) * 0.84)
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calc(c * 0.2) h);
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/* --- Warning -------------------------------------------------------------- */
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/* Amber starts above the pivot on purpose. Pushed the other way it lands as
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brown, which reads as neither a warning nor a color anyone chose. */
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--nv-light-warning: oklch(from
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color-mix(in oklab, var(--nv-palette-warning-400), var(--nv-brand) var(--nv-brand-harmony))
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calc(
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clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1) * min(l, var(--nv-contrast-dark)) +
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(1 - clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1)) * max(l, var(--nv-contrast-light))
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) clamp(0.02, c, 0.25) h);
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--nv-light-warning-hover: oklch(from var(--nv-light-warning) calc(l - 0.05) c h);
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--nv-light-warning-subtle: oklch(from var(--nv-light-warning) 0.965 calc(c * 0.16) h);
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--nv-light-warning-border: oklch(from var(--nv-light-warning) l c h / 0.32);
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--nv-light-warning-text: oklch(from var(--nv-light-warning) clamp(0.3, calc(l - 0.1), 0.48) c h);
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--nv-light-on-warning: oklch(from var(--nv-light-warning)
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calc(0.14 + clamp(0, (0.68 - l) * 100, 1) * 0.84)
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calc(c * 0.2) h);
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/* --- Danger ---------------------------------------------------------------- */
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--nv-light-danger: oklch(from
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color-mix(in oklab, var(--nv-palette-danger-500), var(--nv-brand) var(--nv-brand-harmony))
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calc(
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clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1) * min(l, var(--nv-contrast-dark)) +
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(1 - clamp(0, (var(--nv-contrast-pivot) - l) * 100, 1)) * max(l, var(--nv-contrast-light))
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) clamp(0.02, c, 0.25) h);
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--nv-light-danger-hover: oklch(from var(--nv-light-danger) calc(l - 0.05) c h);
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--nv-light-danger-active: oklch(from var(--nv-light-danger) calc(l - 0.1) c h);
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--nv-light-danger-subtle: oklch(from var(--nv-light-danger) 0.965 calc(c * 0.16) h);
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--nv-light-danger-border: oklch(from var(--nv-light-danger) l c h / 0.3);
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--nv-light-danger-text: oklch(from var(--nv-light-danger) clamp(0.3, calc(l - 0.1), 0.48) c h);
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--nv-light-on-danger: oklch(from var(--nv-light-danger)
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calc(0.14 + clamp(0, (0.68 - l) * 100, 1) * 0.84)
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calc(c * 0.2) h);
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/* --- Depth and material -------------------------------------------------
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Three shadow colors build every elevation level: an ambient contact
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shadow, a soft penumbra, and a deeper umbra for high elevations. */
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--nv-light-shadow-ambient: rgb(40 32 20 / 0.08);
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--nv-light-shadow-penumbra: rgb(40 32 20 / 0.1);
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--nv-light-shadow-umbra: rgb(40 32 20 / 0.16);
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--nv-light-shadow-inset: rgb(40 32 20 / 0.14);
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--nv-light-highlight: rgb(255 255 255 / 0.9);
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--nv-light-highlight-strong: rgb(255 255 255 / 1);
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/* Paper already has a border doing the contact work, so the outline only
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softens it; the bottom shade is faint for the same reason. */
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--nv-light-lowlight: rgb(40 32 20 / 0.09);
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--nv-light-outline: rgb(40 32 20 / 0.05);
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--nv-light-sheen-top: rgb(255 255 255 / 0.9);
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--nv-light-sheen-bottom: rgb(40 32 20 / 0.07);
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--nv-light-sheen-strong-top: rgb(255 255 255 / 0.32);
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--nv-light-sheen-strong-bottom: rgb(20 16 10 / 0.16);
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--nv-light-glow: oklch(from var(--nv-light-accent) l c h / 0.3);
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--nv-light-knob: var(--nv-palette-neutral-0);
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--nv-light-knob-shade: rgb(40 32 20 / 0.13);
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/* Light surfaces are already lighter than their canvas; the shadow alone
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carries elevation, so there is nothing to add. */
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--nv-light-elevation-tint-1: transparent;
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--nv-light-elevation-tint-2: transparent;
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--nv-light-elevation-tint-3: transparent;
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--nv-light-elevation-tint-4: transparent;
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--nv-light-elevation-tint-5: transparent;
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--nv-light-material-frosted: rgb(252 252 250 / 0.56);
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--nv-light-material-glass: rgb(252 252 250 / 0.4);
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--nv-light-material-border: rgb(255 255 255 / 0.72);
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/* Glaze: the tint it is made of, the rim that catches light on the side
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facing the pointer, the rim on the far side, and the specular bloom. */
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--nv-light-material-glaze: rgb(255 255 255 / 1);
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--nv-light-glaze-rim-lit: rgb(255 255 255 / 1);
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--nv-light-glaze-rim-far: rgb(255 255 255 / 0.5);
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--nv-light-glaze-specular: rgb(255 255 255 / 0.6);
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/* --- Window controls --------------------------------------------------------- */
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--nv-light-window-close: var(--nv-palette-window-close);
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--nv-light-window-minimize: var(--nv-palette-window-minimize);
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--nv-light-window-zoom: var(--nv-palette-window-zoom);
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--nv-light-window-inactive: var(--nv-palette-neutral-300);
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--nv-light-window-control-ring: rgb(0 0 0 / 0.16);
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--nv-light-window-glyph: rgb(0 0 0 / 0.55);
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/* --- Interaction ----------------------------------------------------------- */
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--nv-light-focus-ring: oklch(from var(--nv-light-accent) l c h / 0.4);
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--nv-light-focus-ring-contrast: rgb(255 255 255 / 0.9);
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--nv-light-selection: oklch(from var(--nv-light-accent) l c h / 0.2);
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}
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