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site: add dark/light theme toggle (system-pref default, persisted, no-flash) via data-theme; dark palette + github-dark code blocks

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Jean Chevronnet 2026-08-30 23:17:29 +00:00
parent 147db49f99
commit 71f2f6efcb
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4 changed files with 44 additions and 20 deletions
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static/style.css
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@ -1,20 +1,29 @@
/* echoIRCd — a friendly, light project site. Teal is echo's own colour. */
/* echoIRCd — teal is echo's own colour. Light by default; dark via [data-theme]. */
:root{
--teal:#12a594; --teal-d:#0e8577; --teal-dd:#0a6a5f; --teal-t:#e7f6f3;
--ink:#1b2733; --muted:#5c6773; --faint:#8b95a0;
--line:#e4e8eb; --line2:#d8dee2; --bg:#f5f6f7; --card:#ffffff;
--line:#e4e8eb; --line2:#d8dee2; --bg:#f5f6f7; --card:#ffffff; --panel:#fbfcfd;
--code-bg:#132430; --code-fg:#e7edf0; --cmd:#6fe0cf;
--amber:#e8a13c; --green:#22b573; --red:#e0604f;
--purple-line:#c6b6ec; --purple-fg:#5a3fb0; --purple-bg:#f3edfd; --bq-fg:#0c5a51;
--dot:rgba(18,165,148,.06);
--sans:"Rubik",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
--mono:ui-monospace,"SF Mono",Menlo,Consolas,"DejaVu Sans Mono",monospace;
--wrap:1080px;
}
:root[data-theme="dark"]{
--teal:#16b5a2; --teal-d:#4fd6c4; --teal-dd:#74e6d6; --teal-t:#123330;
--ink:#e6edf3; --muted:#9aa4b0; --faint:#6b7480;
--line:#262c34; --line2:#333b45; --bg:#0d1117; --card:#161b22; --panel:#12171d;
--purple-line:#5a4a86; --purple-fg:#cbb6f5; --purple-bg:#241d38; --bq-fg:#8fe6d8;
--dot:rgba(22,181,162,.07);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
margin:0;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;
background-color:var(--bg);
background-image:radial-gradient(rgba(18,165,148,.06) 1px,transparent 1px);
background-image:radial-gradient(var(--dot) 1px,transparent 1px);
background-size:24px 24px;background-position:-12px -12px;
-webkit-font-smoothing:antialiased;
}
@ -31,10 +40,10 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px -8px rgba(18,165,148,.7)}
.btn-primary:hover{background:var(--teal-d)}
.btn-ghost{border-color:var(--line2);color:var(--ink);background:#fff}
.btn-ghost{border-color:var(--line2);color:var(--ink);background:var(--card)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-d)}
/* top bar */
/* top bar (teal in both themes) */
.topbar{background:var(--teal);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 12px -6px rgba(0,0,0,.35)}
.bar-in{max-width:var(--wrap);margin:0 auto;padding:.7rem 1.25rem;display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.55rem;color:#fff;font-weight:700;font-size:1.25rem}
@ -46,6 +55,14 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.mainnav a.on{opacity:1;border-bottom-color:#fff}
.mainnav a.ext{opacity:.8}
/* theme toggle */
.theme-toggle{margin-left:.1rem;background:none;border:0;cursor:pointer;color:#fff;opacity:.9;display:inline-flex;align-items:center;padding:.15rem;line-height:0}
.theme-toggle:hover{opacity:1}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .ic-sun{display:none}
:root[data-theme="dark"] .theme-toggle .ic-moon{display:none}
:root[data-theme="dark"] .theme-toggle .ic-sun{display:inline}
/* hero */
.hero{padding:3.4rem 0 2.6rem}
.hero-in{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem;display:grid;grid-template-columns:1.4fr 1fr;gap:2.5rem;align-items:center}
@ -71,7 +88,7 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.sc-foot{margin-top:.7rem;font-size:.78rem;color:var(--faint)}
/* feature band */
.band{background:linear-gradient(180deg,#fff,#fbfcfc);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:3.2rem 0}
.band{background:linear-gradient(180deg,var(--card),var(--panel));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:3.2rem 0}
.h-center{text-align:center}
.band h2{font-size:1.9rem;margin-bottom:2rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
@ -91,13 +108,13 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.news div{color:var(--muted)}
/* cta band */
.ctaband{background:var(--teal-t);border-top:1px solid #cdeae4}
.ctaband{background:var(--teal-t);border-top:1px solid var(--line)}
.ctaband-in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:2.3rem 1.25rem;flex-wrap:wrap}
.ctaband h2{color:var(--teal-dd);margin-bottom:.2rem;font-size:1.5rem}
.ctaband .mono-line{color:var(--teal-d)}
/* page head + doc pages */
.pagehead{background:linear-gradient(180deg,#fff,#fbfcfc);border-bottom:1px solid var(--line);padding:2.6rem 0 2rem}
.pagehead{background:linear-gradient(180deg,var(--card),var(--panel));border-bottom:1px solid var(--line);padding:2.6rem 0 2rem}
.pagehead h1{font-size:2.3rem}
.pagehead p{color:var(--muted);margin:0;max-width:44rem}
.doc{padding:2.4rem 1.25rem}
@ -107,7 +124,7 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.doc-block li{margin:.4rem 0;color:var(--muted)}
.doc-block li b{color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.6rem}
.chips span{font-family:var(--mono);font-size:.8rem;background:#fff;border:1px solid var(--line2);color:var(--muted);border-radius:6px;padding:.22rem .5rem}
.chips span{font-family:var(--mono);font-size:.8rem;background:var(--card);border:1px solid var(--line2);color:var(--muted);border-radius:6px;padding:.22rem .5rem}
.detail{border-collapse:collapse;width:100%;max-width:34rem;margin:.4rem 0 1rem}
.detail th{text-align:left;font-weight:500;color:var(--muted);padding:.5rem .9rem .5rem 0;border-bottom:1px solid var(--line);white-space:nowrap;width:1%;vertical-align:top}
.detail td{padding:.5rem 0;border-bottom:1px solid var(--line)}
@ -116,7 +133,7 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
.code{background:var(--code-bg);color:var(--code-fg);border-radius:10px;padding:.9rem 1.1rem;overflow-x:auto;
font-family:var(--mono);font-size:.88rem;line-height:1.7;white-space:pre;margin:.5rem 0}
/* footer */
/* footer (dark in both themes) */
.site-foot{background:#0f1a22;color:#aeb8c0;margin-top:1rem}
.foot-in{max-width:var(--wrap);margin:0 auto;padding:2rem 1.25rem;display:flex;align-items:center;gap:1rem 1.5rem;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:.5rem;color:#fff;font-weight:700}
@ -129,9 +146,9 @@ code{font-family:var(--mono);font-size:.9em;background:rgba(18,165,148,.09);colo
/* services flow diagram */
.flow{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;margin:1.3rem 0 .3rem}
.flow .node{background:#fff;border:1px solid var(--line2);border-radius:9px;padding:.45rem .85rem;font-weight:500;font-size:.92rem}
.flow .node{background:var(--card);border:1px solid var(--line2);border-radius:9px;padding:.45rem .85rem;font-weight:500;font-size:.92rem}
.flow .node.accent{border-color:var(--teal);color:var(--teal-dd);background:var(--teal-t)}
.flow .node.accent2{border-color:#c6b6ec;color:#5a3fb0;background:#f3edfd}
.flow .node.accent2{border-color:var(--purple-line);color:var(--purple-fg);background:var(--purple-bg)}
.flow .arrow{color:var(--faint);font-family:var(--mono);font-size:.82rem}
@media(max-width:820px){