:root{--bg:#0b0f14;--panel:#131a22;--line:#1f2a36;--txt:#e6edf5;--muted:#8b9bb0;--accent:#4fd1c5;--accent2:#7c9cff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font-family:'IBM Plex Sans Thai','Noto Sans Thai',system-ui,sans-serif;line-height:1.7}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,15,20,.92);backdrop-filter:blur(8px);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.2px;color:var(--txt)}
.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
.nav a.link{color:var(--muted);font-size:14px;margin-left:18px}
.nav a.link:hover{color:var(--txt)}
.hero{padding:56px 0 34px}
.hero h1{font-size:40px;line-height:1.25;margin:0 0 12px}
.hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);margin:0;max-width:640px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 8px}
.chip{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:6px 13px;border-radius:999px;font-size:13px;cursor:pointer;transition:.15s}
.chip:hover{color:var(--txt);border-color:#2c3b4d}
.chip.active{background:var(--accent);border-color:var(--accent);color:#06231f;font-weight:600}
.search{width:100%;margin:10px 0 28px;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--txt);font-family:inherit;font-size:14px}
.search:focus{outline:none;border-color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding-bottom:48px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:10px;transition:.18s}
.card:hover{transform:translateY(-3px);border-color:#2b3d51}
.card .tag{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--accent)}
.card h2{font-size:18px;margin:0;line-height:1.45}
.card p{margin:0;color:var(--muted);font-size:14px;flex:1}
.meta{color:#63748a;font-size:12px;display:flex;gap:12px;flex-wrap:wrap}
.featured{grid-column:1/-1;background:linear-gradient(135deg,#10202a,#141c2b);border-color:#264055}
.featured h2{font-size:26px}
article.post{padding:44px 0 60px;max-width:760px}
article.post h1{font-size:34px;line-height:1.3;margin:6px 0 14px}
article.post p{color:#c7d3e0}
article.post h2{font-size:22px;margin-top:34px}
article.post code{background:#0f1720;border:1px solid var(--line);padding:2px 6px;border-radius:6px;font-size:.92em}
article.post pre{background:#0f1720;border:1px solid var(--line);padding:16px;border-radius:12px;overflow:auto}
article.post pre code{border:0;padding:0;background:none}
.back{color:var(--muted);font-size:13px}
footer{border-top:1px solid var(--line);padding:26px 0;color:#55677c;font-size:13px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.empty{color:var(--muted);padding:26px 0}
@media(max-width:640px){.hero h1{font-size:29px}.featured h2{font-size:21px}}