:root{
    --primary:#3b82f6;--primary-dark:#2563eb;--bg:#f1f5f9;
    --card:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;
    --hdr:#0f172a;--nav:#1e293b;
    --sh:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
    --sh-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
    --r:10px;--mw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
     font-size:16px;line-height:1.6;color:var(--text);background:var(--bg)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
#site-header{background:var(--hdr);position:sticky;top:0;z-index:200;
             box-shadow:0 2px 8px rgba(0,0,0,.4)}
.hdr-inner{max-width:var(--mw);margin:0 auto;padding:0 20px;
           display:flex;align-items:center;justify-content:space-between;height:58px}
.site-logo a{color:#fff;font-size:1.35rem;font-weight:800;
             letter-spacing:-.5px;text-decoration:none}
.site-logo .x{color:var(--primary)}
.top-nav ul{list-style:none;display:flex}
.top-nav li a{color:#94a3b8;padding:0 11px;height:58px;display:flex;
              align-items:center;font-size:.82rem;text-decoration:none;transition:.2s}
.top-nav li a:hover{color:#fff;background:rgba(255,255,255,.06);text-decoration:none}

/* Category nav */
#cat-nav{background:var(--nav);border-bottom:1px solid rgba(255,255,255,.05)}
.cat-inner{max-width:var(--mw);margin:0 auto;padding:0 20px;
           display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cat-inner ul{list-style:none;display:flex;flex-wrap:wrap}
.cat-inner li a{color:#94a3b8;padding:9px 10px;display:block;font-size:.74rem;
                font-weight:600;text-transform:uppercase;letter-spacing:.5px;
                text-decoration:none;transition:.2s}
.cat-inner li a:hover{color:#fff;text-decoration:none}
#srch input{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
            border-radius:20px;padding:6px 14px;color:#fff;font-size:.82rem;
            outline:none;width:155px;transition:.2s}
#srch input:focus{background:rgba(255,255,255,.15);width:195px}
#srch input::placeholder{color:rgba(255,255,255,.4)}

/* Layout */
#wrap{max-width:var(--mw);margin:0 auto;padding:28px 20px;
      display:grid;grid-template-columns:1fr 285px;gap:28px;align-items:start}
.main{}

/* Post cards */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
      padding:24px;margin-bottom:20px;transition:box-shadow .2s}
.card:hover{box-shadow:var(--sh-md)}
.card h2{font-size:1.2rem;font-weight:700;margin-bottom:9px;line-height:1.35}
.card h2 a{color:var(--text);text-decoration:none}
.card h2 a:hover{color:var(--primary);text-decoration:none}
.pmeta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;
       font-size:.79rem;color:var(--muted)}
.pmeta .cl{color:var(--primary);font-weight:500}
.excerpt{color:var(--muted);font-size:.9rem;line-height:1.6;margin-bottom:14px;
         display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rm{display:inline-flex;align-items:center;gap:4px;color:var(--primary);
    font-size:.82rem;font-weight:600;padding:5px 14px;border:1.5px solid var(--primary);
    border-radius:20px;transition:.2s;text-decoration:none}
.rm:hover{background:var(--primary);color:#fff;text-decoration:none}

/* Pagination */
.pag{display:flex;gap:5px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.pag a,.pag span{padding:7px 12px;border-radius:7px;font-size:.85rem;text-decoration:none;
                 background:var(--card);box-shadow:var(--sh);color:var(--muted);transition:.2s}
.pag a:hover{background:var(--primary);color:#fff;text-decoration:none}
.pag .cur{background:var(--primary);color:#fff;font-weight:700}
.pag .pg-info{background:none;box-shadow:none;font-size:.79rem}

/* Single article */
.pnav{display:flex;justify-content:space-between;gap:12px;margin-bottom:20px;font-size:.82rem}
.pnav a,.pnav span{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
                   padding:10px 16px;color:var(--muted);text-decoration:none;flex:1;
                   display:block;transition:box-shadow .2s}
.pnav a:hover{box-shadow:var(--sh-md);color:var(--primary);text-decoration:none}
.pnav .nr{text-align:right}

.art{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:36px}
.art h1{font-size:1.85rem;font-weight:800;line-height:1.2;margin-bottom:16px;color:var(--text)}
.ameta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px;padding-bottom:18px;
       border-bottom:1px solid var(--border);font-size:.82rem;color:var(--muted)}
.ameta .cl{color:var(--primary);font-weight:500}

.ac{font-size:1rem;line-height:1.8;color:var(--text)}
.ac p{margin-bottom:1.1em}
.ac h2,.ac h3{margin:1.5em 0 .7em;color:var(--text)}
.ac img{border-radius:var(--r);margin:1em 0;display:block}
.ac a{color:var(--primary)}
.ac ul,.ac ol{margin-left:1.5em;margin-bottom:1em}
.ac pre,.ac code{background:#f1f5f9;border-radius:5px;
                 font-family:'Roboto Mono',monospace;font-size:.88em}
.ac pre{padding:16px;overflow-x:auto;margin:1em 0}
.ac code{padding:2px 5px}
.ac iframe{max-width:100%;border-radius:var(--r);display:block;margin:1.5em auto;border:none}
.vw{position:relative;padding-bottom:56.25%;height:0;
    margin:1.5em 0;border-radius:var(--r);overflow:hidden}
.vw iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;margin:0}

.tags{margin-top:24px;padding-top:18px;border-top:1px solid var(--border);
      display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.tags .lbl{font-size:.76rem;color:var(--muted);font-weight:600;
           text-transform:uppercase;letter-spacing:.5px}
.tc{background:#eff6ff;color:#3b82f6;padding:3px 11px;border-radius:15px;
    font-size:.75rem;font-weight:500;text-decoration:none;transition:.2s}
.tc:hover{background:var(--primary);color:#fff;text-decoration:none}

.rel{background:#f8fafc;border-radius:var(--r);padding:20px;margin-top:24px}
.rel h3{font-size:.79rem;font-weight:700;color:var(--muted);
        text-transform:uppercase;letter-spacing:.7px;margin-bottom:12px}
.rel ul{list-style:none}
.rel li{padding:6px 0;border-bottom:1px solid var(--border)}
.rel li:last-child{border-bottom:none}
.rel li a{color:var(--text);font-size:.88rem;text-decoration:none}
.rel li a:hover{color:var(--primary)}

/* Sidebar */
#sb{position:sticky;top:78px}
.wgt{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
     padding:20px;margin-bottom:20px}
.wgt-t{font-size:.74rem;font-weight:700;text-transform:uppercase;
       letter-spacing:.8px;color:var(--muted);margin-bottom:13px;
       padding-bottom:9px;border-bottom:2.5px solid var(--primary)}
.wgt ul{list-style:none}
.wgt li{padding:6px 0;border-bottom:1px solid var(--border)}
.wgt li:last-child{border-bottom:none}
.wgt li a{color:var(--text);font-size:.88rem;text-decoration:none;
          line-height:1.4;display:block}
.wgt li a:hover{color:var(--primary);text-decoration:none}

/* Archive header */
.arch-hdr{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);
          padding:22px 26px;margin-bottom:22px}
.arch-hdr h1{font-size:1.4rem;font-weight:800;color:var(--text)}
.arch-hdr p{color:var(--muted);font-size:.88rem;margin-top:5px}

/* Static pages */
.pg{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:36px}
.pg h1{font-size:1.75rem;font-weight:800;margin-bottom:20px;color:var(--text)}
.pgc{font-size:1rem;line-height:1.8;color:var(--text)}
.pgc p{margin-bottom:1em}
.pgc img{border-radius:var(--r)}
.pgc h2,.pgc h3{margin:1.4em 0 .6em}
.pgc a{color:var(--primary)}

/* Footer */
footer{background:var(--hdr);color:#64748b;padding:28px 20px;
       margin-top:40px;text-align:center;font-size:.82rem}
footer a{color:#94a3b8}
footer a:hover{color:#fff}
footer p+p{margin-top:6px}

/* Responsive */
@media(max-width:900px){
    #wrap{grid-template-columns:1fr}
    #sb{position:static}
    .top-nav{display:none}
}
@media(max-width:600px){
    .art{padding:20px}
    .art h1{font-size:1.35rem}
    .hdr-inner{padding:0 14px}
    #srch{display:none}
    .cat-inner li a{padding:8px 7px;font-size:.7rem}
}