:root {
  --bg: #f7fff9;
  --text: #0d2818;
  --muted: #3a5f4b;
  --accent: #1a6d3a;
  --card: #ffffff;
  --border: #dbe7df;
}
:root.dark {
  --bg: #0f1512;
  --text: #eef8f1;
  --muted: #b7d3c3;
  --accent: #83ffb5;
  --card: #111b16;
  --border: #224232;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;line-height:1.6;background:var(--bg);color:var(--text)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1000px;margin:0 auto;padding:0 16px}
.site-header{border-bottom:1px solid var(--border);background:linear-gradient(180deg, rgba(26,109,58,0.08), transparent)}
.site-header .container{display:flex;align-items:center;gap:16px;padding:12px 16px}
.brand{font-weight:700}
.nav{margin-left:auto;display:flex;gap:12px}
#modeToggle{margin-left:8px;background:var(--card);border:1px solid var(--border);padding:6px 10px;border-radius:8px;cursor:pointer}
.hero{padding:32px 16px}
.hero h1{margin:0 0 8px}
.search input{width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text)}
.section-title{margin:8px 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{border:1px solid var(--border);background:var(--card);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px}
.card .meta{color:var(--muted);font-size:0.9rem}
.card .tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:0.8rem;border:1px solid var(--border);padding:2px 8px;border-radius:999px;background:transparent}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.tags-big .tag{font-size:1rem;padding:6px 10px}
.prose{max-width:72ch}
.center{text-align:center}
.btn{display:inline-block;border:1px solid var(--border);border-radius:12px;padding:10px 16px;background:var(--card)}
.site-footer{border-top:1px solid var(--border);margin-top:40px}
.archive{display:grid;gap:8px}
.archive a{display:block;padding:8px 0;border-bottom:1px dashed var(--border)}
figure{margin:0}
img{max-width:100%;border-radius:12px;border:1px solid var(--border)}