/*
File: style.css
Author: Jason Lamb (with help from ChatGPT)
Created: 2026-02-03
Modified: 2026-02-03
Revision: 1.0
Change Log:
- 1.0: Initial styling for flat-file blog
*/

:root {
  --bg: #0b0f17;
  --panel: #11182a;
  --text: #e8eefc;
  --muted: #a9b6d3;
  --link: #8ab4ff;
  --border: rgba(255,255,255,.12);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px;
  --max: 980px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1000px 700px at 20% 10%, rgba(138,180,255,.18), transparent 60%),
              radial-gradient(1000px 700px at 70% 40%, rgba(180,120,255,.14), transparent 55%),
              var(--bg);
  color: var(--text);
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 22px; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.65);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; gap: 16px; align-items: center; justify-content: space-between; }

.brand { color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: .2px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 14px;
  padding: 8px 10px;
  border-radius: 10px;
}
.nav a[aria-current="page"], .nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,.06);
}

.hero {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 18px 0 22px;
}
.hero h1 { margin: 0 0 8px; font-size: 1.6rem; }
.hero p { margin: 0; color: var(--muted); line-height: 1.5; }

.search-row { display: flex; gap: 10px; margin-top: 14px; }
.search {
  flex: 1;
  background: rgba(0,0,0,.2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 12px;
  color: var(--text);
  outline: none;
}
.search:focus { border-color: rgba(138,180,255,.55); }

.btn {
  background: rgba(138,180,255,.18);
  border: 1px solid rgba(138,180,255,.35);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:hover { background: rgba(138,180,255,.25); }

.meta-row { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin: 8px 0 14px; flex-wrap: wrap; }

.post-list { display: grid; grid-template-columns: 1fr; gap: 12px; }

.card {
  background: rgba(17,24,42,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.post-card-cover { display:block; width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:12px; margin-bottom:14px; }
.post-cover { margin: 18px 0 26px; }
.post-cover img { display:block; width:100%; max-height:520px; object-fit:cover; border-radius:16px; }
.card h2 { margin: 0 0 6px; }
.card p { margin: 8px 0 0; color: var(--muted); line-height: 1.5; }
.card a { color: var(--link); text-decoration: none; }
.card a:hover { text-decoration: underline; }

.post-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.rule { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  font-size: .85rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.pill:hover { color: var(--text); border-color: rgba(138,180,255,.4); }
.pill.active { color: var(--text); border-color: rgba(138,180,255,.65); background: rgba(138,180,255,.12); }

.post { margin-top: 18px; }
.back-link { color: var(--muted); text-decoration: none; }
.back-link:hover { color: var(--text); }

.content { line-height: 1.7; }
.content code { font-family: var(--mono); background: rgba(0,0,0,.25); padding: 2px 6px; border-radius: 8px; }
.content pre {
  overflow: auto;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.25);
}
.content pre code { background: transparent; padding: 0; }

.muted { color: var(--muted); }
.small { font-size: .9rem; }

.site-footer { border-top: 1px solid var(--border); margin-top: 26px; }

/* ---- Themes (select via <html data-theme="...">; default :root = midnight) ---- */
.screen-reader-text { position: absolute; left: -9999px; }
.theme-picker { margin-left: 14px; display: inline-block; }
.theme-picker select {
  background: var(--field-bg, rgba(0,0,0,.2));
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 10px;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
}

:root {
  --header-bg: rgba(11,15,23,.65);
  --card-bg: rgba(17,24,42,.7);
  --hover-bg: rgba(255,255,255,.06);
  --accent: #8ab4ff;
  --accent-rgb: 138,180,255;
  --btn-text: var(--text);
}

/* JL Dark: mirrors jl-wp-theme-dark */
:root[data-theme="jl-dark"] {
  --bg: #05070a;
  --panel: #10151f;
  --text: #f4f7fb;
  --muted: #a9b4c2;
  --link: #58a6ff;
  --accent: #58a6ff;
  --accent-rgb: 88,166,255;
  --accent-2: #7ee787;
  --border: rgba(255,255,255,.11);
  --shadow: 0 20px 60px rgba(0,0,0,.42);
  --radius: 20px;
  --max: 1120px;
  --header-bg: rgba(5,7,10,.76);
  --card-bg: linear-gradient(180deg, rgba(21,29,42,.9), rgba(16,21,31,.9));
  --hover-bg: rgba(255,255,255,.07);
  --btn-text: #06101f;
  --mono: "Cascadia Code", "Courier Prime", "Courier New", Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
:root[data-theme="jl-dark"] body {
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(88,166,255,.18), transparent 34rem),
    radial-gradient(circle at top right, rgba(126,231,135,.10), transparent 28rem),
    linear-gradient(180deg, #05070a 0%, #090d13 45%, #05070a 100%);
  background-attachment: fixed;
}
:root[data-theme="jl-dark"] .site-header .wrap { min-height: 82px; padding-top: 0; padding-bottom: 0; }
:root[data-theme="jl-dark"] .brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 1.15rem; letter-spacing: 0;
}
:root[data-theme="jl-dark"] .brand::before {
  content: "JL"; width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center; color: #fff; font-weight: 900; letter-spacing: -.08em;
  background: linear-gradient(135deg, #58a6ff, #7c3aed);
  box-shadow: 0 10px 30px rgba(88,166,255,.2);
}
:root[data-theme="jl-dark"] .nav a { border-radius: 999px; font-size: .95rem; margin-left: 8px; }
:root[data-theme="jl-dark"] .hero h1,
:root[data-theme="jl-dark"] .post h1,
:root[data-theme="jl-dark"] .card h2 { font-family: var(--mono); letter-spacing: -.04em; }
:root[data-theme="jl-dark"] .hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -.07em; }
:root[data-theme="jl-dark"] .card a:hover,
:root[data-theme="jl-dark"] .back-link:hover { color: var(--accent-2); }
:root[data-theme="jl-dark"] .pill { font-family: var(--mono); background: rgba(255,255,255,.07); }
:root[data-theme="jl-dark"] .content { color: #d8dee7; }
:root[data-theme="jl-dark"] .content code,
:root[data-theme="jl-dark"] .content pre { font-family: var(--mono); }
:root[data-theme="jl-dark"] .content pre { background: rgba(0,0,0,.45); border-radius: 16px; padding: 18px; }
:root[data-theme="jl-dark"] .card:hover { border-color: rgba(88,166,255,.42); }
:root[data-theme="jl-dark"] .site-footer { background: rgba(0,0,0,.22); color: #6f7a87; }
:root[data-theme="jl-dark"] .btn { font-weight: 800; border: 0; background: var(--accent); color: var(--btn-text); }
:root[data-theme="jl-dark"] .btn:hover { background: var(--accent-2); }

/* Light */
:root[data-theme="light"] {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #1b2330;
  --muted: #5b6678;
  --link: #0b5fd6;
  --accent: #0b5fd6;
  --accent-rgb: 11,95,214;
  --border: rgba(0,0,0,.12);
  --shadow: 0 10px 30px rgba(20,30,50,.08);
  --header-bg: rgba(255,255,255,.8);
  --card-bg: #ffffff;
  --hover-bg: rgba(0,0,0,.05);
  --field-bg: #fff;
}
:root[data-theme="light"] body { background: var(--bg); }
:root[data-theme="light"] .hero { background: #fff; }
:root[data-theme="light"] .search { background: #fff; }
:root[data-theme="light"] .pill { background: rgba(0,0,0,.04); }
:root[data-theme="light"] .content code,
:root[data-theme="light"] .content pre { background: rgba(0,0,0,.06); }

/* Shared variable-driven surfaces */
.site-header { background: var(--header-bg); }
.card { background: var(--card-bg); }
.nav a[aria-current="page"], .nav a:hover { background: var(--hover-bg); }
.search:focus { border-color: rgba(var(--accent-rgb), .55); }
.btn { background: rgba(var(--accent-rgb), .18); border-color: rgba(var(--accent-rgb), .35); }
.btn:hover { background: rgba(var(--accent-rgb), .25); }
.pill:hover { border-color: rgba(var(--accent-rgb), .4); }
.pill.active { border-color: rgba(var(--accent-rgb), .65); background: rgba(var(--accent-rgb), .12); }