:root {
  --bg: #0f0f0f;
  --bg2: #1a1a1a;
  --fg: #e8e8e8;
  --fg2: #888;
  --accent: #7eb8f7;
  --tag-bg: #1e2a3a;
  --border: #2a2a2a;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Code', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* NAV */
header { border-bottom: 1px solid var(--border); margin-bottom: 3rem; padding: 1.2rem 0; }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; color: var(--fg); text-decoration: none; letter-spacing: -0.02em; }
.logo:hover { color: var(--accent); }
.nav-links a { color: var(--fg2); text-decoration: none; margin-left: 1.5rem; font-size: 0.9rem; }
.nav-links a:hover { color: var(--fg); }

/* MAIN */
main { min-height: 70vh; }

/* HOME INTRO */
.intro { margin-bottom: 3rem; }
.intro h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.5rem; }
.intro .sub { color: var(--fg2); font-size: 1rem; }

/* POST LIST */
.posts { display: flex; flex-direction: column; gap: 1.8rem; }
.post-card { border-bottom: 1px solid var(--border); padding-bottom: 1.8rem; }
.post-card time { font-size: 0.8rem; color: var(--fg2); font-family: var(--mono); }
.post-card h2 { margin-top: 0.3rem; font-size: 1.2rem; }
.post-card h2 a { color: var(--fg); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent); }
.post-card p { color: var(--fg2); font-size: 0.95rem; margin-top: 0.4rem; }
.empty { color: var(--fg2); }

/* TAGS */
.tags { margin-top: 0.6rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag { background: var(--tag-bg); color: var(--accent); font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: 3px; font-family: var(--mono); }

/* SINGLE POST */
.post-header { margin-bottom: 2.5rem; }
.post-header h1 { font-size: 2rem; letter-spacing: -0.03em; line-height: 1.2; }
.post-meta { color: var(--fg2); font-size: 0.85rem; margin-top: 0.6rem; }
.post-content { color: var(--fg); }
.post-content p { margin-bottom: 1.2rem; }
.post-content h2 { font-size: 1.3rem; margin: 2rem 0 0.8rem; color: var(--accent); }
.post-content h3 { font-size: 1.1rem; margin: 1.5rem 0 0.6rem; }
.post-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.post-content li { margin-bottom: 0.3rem; }
.post-content code { background: var(--bg2); font-family: var(--mono); font-size: 0.85em; padding: 0.1rem 0.4rem; border-radius: 3px; }
.post-content pre { background: var(--bg2); border: 1px solid var(--border); border-radius: 6px; padding: 1.2rem; overflow-x: auto; margin-bottom: 1.2rem; }
.post-content pre code { background: none; padding: 0; }
.post-content blockquote { border-left: 3px solid var(--accent); padding-left: 1rem; color: var(--fg2); margin: 1.2rem 0; }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.post-content strong { color: #fff; }

/* PAGE */
.page h1 { font-size: 1.8rem; margin-bottom: 1.5rem; }
.content p { margin-bottom: 1rem; }
.content a { color: var(--accent); }
.content strong { color: #fff; }
.content ul { padding-left: 1.5rem; }
.content hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* FOOTER */
footer { border-top: 1px solid var(--border); padding: 1.5rem 0; margin-top: 4rem; color: var(--fg2); font-size: 0.85rem; }