add dark mode to website using prefers-color-scheme + .dark class

Inline script in <head> applies .dark class on <html> based on OS preference
and listens for live changes. All liveline page colors now use CSS variables
with dark overrides in .dark .liveline-page block.

- liveline.css: new vars (--ll-text-muted, --ll-text-hover, --ll-divider,
  --ll-code-line-nr, --ll-btn-bg/shadow, --ll-fade-*) + full dark overrides
- liveline-prism.css: GitHub Dark syntax highlighting theme under .dark
- liveline.tsx: ~30 hardcoded rgba/hex colors replaced with CSS vars
- root.tsx: anti-FOUC script toggling .dark from prefers-color-scheme
This commit is contained in:
Tommy D. Rossi
2026-02-19 18:02:07 +01:00
parent 35c885b199
commit 4dad886f14
4 changed files with 207 additions and 34 deletions
+91
View File
@@ -133,3 +133,94 @@ pre[class*="language-"] {
.token {
text-shadow: none;
}
/* ======================================================================
Dark mode - GitHub Dark inspired palette
====================================================================== */
.dark code[class*="language-"],
.dark pre[class*="language-"] {
color: #e6edf3;
}
.dark .token.keyword,
.dark .token.module,
.dark .token.imports,
.dark .token.control-flow {
color: #ff7b72;
}
.dark .token.string,
.dark .token.template-string,
.dark .token.attr-value {
color: #a5d6ff;
}
.dark .token.function,
.dark .token.class-name {
color: #d2a8ff;
}
.dark .token.property,
.dark .token.parameter {
color: #ffa657;
}
.dark .token.tag .token.tag {
color: #7ee787;
}
.dark .token.tag .token.class-name {
color: #7ee787;
}
.dark .token.tag .token.attr-name,
.dark .token.attr-name {
color: #79c0ff;
}
.dark .token.number {
color: #79c0ff;
}
.dark .token.operator {
color: #ff7b72;
}
.dark .token.punctuation {
color: #e6edf3;
}
.dark .token.boolean,
.dark .token.constant,
.dark .token.builtin {
color: #79c0ff;
}
.dark .token.comment,
.dark .token.prolog,
.dark .token.doctype,
.dark .token.cdata {
color: #8b949e;
font-style: italic;
}
.dark .token.tag .token.punctuation {
color: #e6edf3;
}
.dark .token.spread {
color: #ff7b72;
}
.dark .token.plain-text {
color: #e6edf3;
}
.dark .token.regex {
color: #a5d6ff;
}
.dark .language-bash .token.function {
color: #79c0ff;
}
+85 -13
View File
@@ -46,11 +46,21 @@
--ll-text-primary: rgb(17, 17, 17);
--ll-text-secondary: rgba(0, 0, 0, 0.4);
--ll-text-tertiary: rgba(0, 0, 0, 0.25);
--ll-text-muted: rgba(0, 0, 0, 0.35);
--ll-text-hover: rgba(0, 0, 0, 0.7);
--ll-bg: #fff;
--ll-border: #e3e3e3;
--ll-divider: rgb(242, 242, 242);
--ll-code-bg: rgba(0, 0, 0, 0.02);
--ll-code-line-nr: rgba(0, 0, 0, 0.15);
--ll-selection-bg: rgba(0, 0, 0, 0.08);
/* Button / back button */
--ll-btn-bg: #fff;
--ll-btn-shadow: rgba(0, 0, 0, 0.08) 0px 2px 8px,
rgba(0, 0, 0, 0.04) 0px 4px 16px,
rgba(0, 0, 0, 0.06) 0px 0px 0px 1px inset;
/* P3 accent colors (wider gamut) */
--ll-primary: #3e9fff;
--ll-secondary: #f09637;
@@ -65,6 +75,68 @@
0 0.3125rem 0.5rem rgba(0, 0, 0, 0.02),
0 0.125rem 0.25rem rgba(0, 0, 0, 0.016),
0 0 0.125rem rgba(0, 0, 0, 0.01);
/* Header fade gradient stops (white) */
--ll-fade-0: rgb(255, 255, 255);
--ll-fade-1: rgba(255, 255, 255, 0.737);
--ll-fade-2: rgba(255, 255, 255, 0.541);
--ll-fade-3: rgba(255, 255, 255, 0.382);
--ll-fade-4: rgba(255, 255, 255, 0.278);
--ll-fade-5: rgba(255, 255, 255, 0.194);
--ll-fade-6: rgba(255, 255, 255, 0.126);
--ll-fade-7: rgba(255, 255, 255, 0.075);
--ll-fade-8: rgba(255, 255, 255, 0.042);
--ll-fade-9: rgba(255, 255, 255, 0.021);
--ll-fade-10: rgba(255, 255, 255, 0.008);
--ll-fade-11: rgba(255, 255, 255, 0.002);
--ll-fade-12: rgba(255, 255, 255, 0);
}
/* Dark mode overrides */
.dark .liveline-page {
--ll-text-primary: rgba(255, 255, 255, 0.9);
--ll-text-secondary: rgba(255, 255, 255, 0.45);
--ll-text-tertiary: rgba(255, 255, 255, 0.25);
--ll-text-muted: rgba(255, 255, 255, 0.35);
--ll-text-hover: rgba(255, 255, 255, 0.7);
--ll-bg: rgb(17, 17, 17);
--ll-border: rgba(255, 255, 255, 0.1);
--ll-divider: rgba(255, 255, 255, 0.06);
--ll-code-bg: rgba(255, 255, 255, 0.05);
--ll-code-line-nr: rgba(255, 255, 255, 0.15);
--ll-selection-bg: rgba(255, 255, 255, 0.1);
--ll-btn-bg: rgb(30, 30, 30);
--ll-btn-shadow: rgba(255, 255, 255, 0.05) 0px 2px 8px,
rgba(255, 255, 255, 0.02) 0px 4px 16px,
rgba(255, 255, 255, 0.06) 0px 0px 0px 1px inset;
--ll-primary: #60a5fa;
--ll-secondary: #f5a623;
--ll-overlay-bg: hsla(0, 0%, 7%, 0.8);
--ll-overlay-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06),
0 1.625rem 3.375rem rgba(0, 0, 0, 0.3),
0 1rem 2rem rgba(0, 0, 0, 0.2),
0 0.625rem 1rem rgba(0, 0, 0, 0.15),
0 0.3125rem 0.5rem rgba(0, 0, 0, 0.1),
0 0.125rem 0.25rem rgba(0, 0, 0, 0.08),
0 0 0.125rem rgba(0, 0, 0, 0.05);
/* Header fade gradient stops (dark) */
--ll-fade-0: rgb(17, 17, 17);
--ll-fade-1: rgba(17, 17, 17, 0.737);
--ll-fade-2: rgba(17, 17, 17, 0.541);
--ll-fade-3: rgba(17, 17, 17, 0.382);
--ll-fade-4: rgba(17, 17, 17, 0.278);
--ll-fade-5: rgba(17, 17, 17, 0.194);
--ll-fade-6: rgba(17, 17, 17, 0.126);
--ll-fade-7: rgba(17, 17, 17, 0.075);
--ll-fade-8: rgba(17, 17, 17, 0.042);
--ll-fade-9: rgba(17, 17, 17, 0.021);
--ll-fade-10: rgba(17, 17, 17, 0.008);
--ll-fade-11: rgba(17, 17, 17, 0.002);
--ll-fade-12: rgba(17, 17, 17, 0);
}
@supports (color: color(display-p3 1 1 1)) {
@@ -130,18 +202,18 @@
right: 0;
height: 8rem;
background: linear-gradient(
rgb(255, 255, 255) 0px,
rgba(255, 255, 255, 0.737) 19%,
rgba(255, 255, 255, 0.541) 34%,
rgba(255, 255, 255, 0.382) 47%,
rgba(255, 255, 255, 0.278) 56.5%,
rgba(255, 255, 255, 0.194) 65%,
rgba(255, 255, 255, 0.126) 73%,
rgba(255, 255, 255, 0.075) 80.2%,
rgba(255, 255, 255, 0.042) 86.1%,
rgba(255, 255, 255, 0.021) 91%,
rgba(255, 255, 255, 0.008) 95.2%,
rgba(255, 255, 255, 0.002) 98.2%,
rgba(255, 255, 255, 0) 100%
var(--ll-fade-0) 0px,
var(--ll-fade-1) 19%,
var(--ll-fade-2) 34%,
var(--ll-fade-3) 47%,
var(--ll-fade-4) 56.5%,
var(--ll-fade-5) 65%,
var(--ll-fade-6) 73%,
var(--ll-fade-7) 80.2%,
var(--ll-fade-8) 86.1%,
var(--ll-fade-9) 91%,
var(--ll-fade-10) 95.2%,
var(--ll-fade-11) 98.2%,
var(--ll-fade-12) 100%
);
}