:root {
  --bg: hsl(225 30% 6%);
  --bg2: hsl(225 25% 10%);
  --fg: hsl(220 20% 88%);
  --muted: hsl(220 12% 60%);
  --green: hsl(150 80% 55%);
  --cyan: hsl(185 90% 60%);
  --violet: hsl(265 85% 70%);
  --amber: hsl(40 95% 62%);
  --glass: hsl(225 30% 14% / .55);
  --border: hsl(220 40% 70% / .12);
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Outfit', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--bg); color: var(--fg); font-family: var(--sans); line-height: 1.7; overflow-x: hidden; min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; }
.accent, .hash, .c { color: var(--green); }
.grad { background: linear-gradient(90deg, var(--green), var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.m { color: var(--muted); }

.bg-grid { position: fixed; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%); }
.bg-glow { position: fixed; z-index: -1; width: 70vmax; height: 70vmax; top: -30vmax; right: -20vmax; border-radius: 50%;
  background: radial-gradient(circle, hsl(165 80% 45% / .18), hsl(265 80% 60% / .1) 40%, transparent 70%);
  animation: drift 18s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate(-15vmax, 20vmax) scale(1.15); } }

/* NAV */
.nav { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1rem clamp(1rem, 5vw, 4rem); backdrop-filter: blur(14px); background: hsl(225 30% 6% / .7); border-bottom: 1px solid var(--border); }
.logo { font-family: var(--mono); font-weight: 800; font-variant-ligatures: none; font-feature-settings: "liga" 0, "calt" 0; }
.nav nav { display: flex; gap: 1.4rem; flex-wrap: wrap; font-family: var(--mono); font-size: .85rem; }
.nav nav a { color: var(--muted); transition: color .2s; position: relative; }
.nav nav a::after { content: ''; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0; background: var(--green); transition: width .25s; }
.nav nav a:hover { color: var(--green); }
.nav nav a:hover::after { width: 100%; }
.cursor { animation: blink 1s steps(1) infinite; color: var(--green); }
@keyframes blink { 50% { opacity: 0; } }

main { max-width: 900px; width: 100%; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); flex: 1; }

.glass { background: var(--glass); border: 1px solid var(--border); border-radius: 16px; backdrop-filter: blur(10px);
  transition: transform .25s, border-color .25s, box-shadow .25s; }

/* BLOG HERO */
.blog-hero { padding: 3.5rem 0 2rem; }
.prompt { font-family: var(--mono); color: var(--green); font-size: .95rem; margin-bottom: .8rem; }
.blog-hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.1; font-weight: 800; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 42rem; margin-top: .6rem; }

.search-bar { display: flex; align-items: center; gap: .6rem; margin-top: 1.8rem; padding: .75rem 1.1rem; font-family: var(--mono); font-size: .9rem; }
.search-bar:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px hsl(150 80% 55% / .15); }
.search-bar .cmd { color: var(--violet); white-space: nowrap; }
.search-bar input { flex: 1; background: transparent; border: none; outline: none; color: var(--fg); font-family: var(--mono); font-size: .9rem; }
.search-bar input::placeholder { color: var(--muted); }

/* POST LIST */
.posts-section { padding: 1rem 0 3rem; }
.post-list { display: grid; gap: 1.2rem; }
.post-card { padding: 1.6rem 1.8rem; display: flex; flex-direction: column; gap: .6rem; }
.post-card:hover { transform: translateY(-3px); border-color: hsl(160 70% 55% / .4); box-shadow: 0 12px 40px -15px hsl(165 80% 45% / .35); }
.post-meta { display: flex; align-items: center; justify-content: space-between; gap: .8rem; flex-wrap: wrap; font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag { font-family: var(--mono); font-size: .72rem; padding: .15rem .55rem; border-radius: 6px;
  background: hsl(160 70% 50% / .1); color: var(--green); border: 1px solid hsl(160 70% 50% / .2); }
.post-card h2 { font-size: 1.4rem; line-height: 1.3; font-weight: 700; }
.post-card h2 a:hover { color: var(--green); }
.excerpt { color: var(--muted); font-size: .98rem; }
.read-more { align-self: flex-start; margin-top: .3rem; font-family: var(--mono); font-size: .85rem; color: var(--cyan); }
.read-more:hover { color: var(--green); }
.no-results { text-align: center; padding: 2rem; font-family: var(--mono); color: var(--muted); }

/* SINGLE POST */
.post { padding: 2.5rem 0 3rem; }
.back-link { display: inline-block; font-family: var(--mono); font-size: .85rem; color: var(--cyan); margin-bottom: 1.4rem; }
.back-link:hover { color: var(--green); }
.post-header { margin-bottom: 1.8rem; }
.post-header h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.18; margin-top: .7rem; font-weight: 800; }

.post-content { padding: clamp(1.5rem, 4vw, 2.6rem); }
.post-content p { margin-bottom: 1.2rem; font-size: 1.05rem; }
.post-content h2, .post-content h3 { font-family: var(--mono); color: var(--cyan); margin: 2rem 0 .8rem; line-height: 1.3; }
.post-content h2 { font-size: 1.4rem; }
.post-content h3 { font-size: 1.15rem; }
.post-content h3::before { content: '# '; color: var(--green); }
.post-content ul, .post-content ol { padding-left: 1.4rem; margin-bottom: 1.2rem; }
.post-content li { margin-bottom: .4rem; }
.post-content li::marker { color: var(--green); }
.post-content strong { color: #fff; font-weight: 600; }
.post-content em { color: var(--amber); }
.post-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover { color: var(--green); }

.post-content code { font-family: var(--mono); font-size: .88em; padding: .15rem .4rem; border-radius: 5px;
  background: hsl(225 35% 8%); color: var(--green); border: 1px solid var(--border); }
.post-content pre { position: relative; margin: 1rem 0 1.5rem; padding: 1.1rem 1.3rem; border-radius: 12px;
  background: hsl(225 35% 7%); border: 1px solid var(--border); overflow-x: auto; }
.post-content pre code { padding: 0; border: none; background: transparent; color: var(--fg); font-size: .88rem; line-height: 1.65; }

.copy-btn { position: absolute; top: .6rem; right: .6rem; padding: .25rem .6rem; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg2); color: var(--muted); font-family: var(--mono); font-size: .72rem;
  cursor: pointer; transition: all .2s; }
.copy-btn:hover, .copy-btn.copied { color: var(--green); border-color: var(--green); }

/* POST NAV */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.nav-card { padding: 1.2rem 1.4rem; display: flex; flex-direction: column; gap: .3rem; }
.nav-card:hover { border-color: var(--green); transform: translateY(-2px); }
.nav-card span { font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.nav-card strong { font-size: .98rem; color: var(--cyan); }
.nav-card.next { text-align: right; }

footer { text-align: center; padding: 2.5rem 1rem; font-family: var(--mono); font-size: .85rem; border-top: 1px solid var(--border); margin-top: 2rem; }
footer a { color: var(--cyan); }
footer a:hover { color: var(--green); }

@media (max-width: 700px) {
  .post-nav { grid-template-columns: 1fr; }
  .nav-card.next { text-align: left; }
}