:root{--bg:#151027;--ink:#e5e7eb;--muted:#a1a1aa;--panel:#1f1738;--paper:#19122c;--line:rgba(229,231,235,.14);--accent:#a78bfa;--accent2:#22c55e;--shadow:0 18px 70px rgba(0,0,0,.45)}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1000px 650px at 15% 0%, rgba(167,139,250,.22), transparent 60%),radial-gradient(900px 650px at 80% 10%, rgba(34,197,94,.14), transparent 55%),var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Arial}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.sr-only{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

#site-header{position:sticky;top:0;z-index:25;background:rgba(21,16,39,.78);backdrop-filter:blur(10px) saturate(1.2);border-bottom:1px solid var(--line)}
.header-inner{display:grid;grid-template-columns:auto 1fr 320px;gap:14px;align-items:center;padding:14px 0}
#menu-btn{border:1px solid var(--line);background:rgba(31,23,56,.7);color:var(--ink);border-radius:14px;padding:10px 12px;cursor:pointer}
.brand{display:flex;align-items:center;gap:12px}
#logo img{display:block;height:32px;width:auto}
#logo.is-text a{font-weight:950;color:var(--ink)}
.site-title{font-weight:900}
.tagline{color:var(--muted);font-size:13px}
.ad{min-width:180px;max-width:360px}

#shell{display:grid;grid-template-areas:"nav main ads";grid-template-columns:260px minmax(0,1fr) 320px;gap:16px;padding:18px 0 40px;align-items:start}
.drawer{grid-area:nav;border:1px solid var(--line);border-radius:18px;background:rgba(31,23,56,.75);box-shadow:var(--shadow);position:sticky;top:74px;max-height:calc(100vh - 96px);overflow:auto}
.drawer-inner{padding:14px}
.drawer-title{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.drawer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.drawer a{display:block;padding:10px 10px;border-radius:12px;color:var(--ink)}
.drawer li.active a{background:rgba(167,139,250,.16);font-weight:900}

#main{grid-area:main;min-width:0}
.paper{background:rgba(25,18,44,.85);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px}

#ads{grid-area:ads;display:flex;flex-direction:column;gap:14px;position:sticky;top:74px}
.panel{background:rgba(31,23,56,.65);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:14px}
.panel-title{margin:0 0 8px}
.muted{margin:0;color:var(--muted)}

#footer{padding:18px 0 40px;border-top:1px solid var(--line);background:rgba(21,16,39,.62)}
#footer .social{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
#footer a[role="button"]{border:1px solid var(--line);border-radius:12px;padding:9px 10px;background:rgba(31,23,56,.7)}
#footer p{margin:0;color:var(--muted)}

/* Offcanvas behavior on small screens */
@media (max-width: 1080px){
  .ad{display:none}
  #shell{grid-template-areas:"main" "ads";grid-template-columns:1fr}
  .drawer{position:fixed;left:12px;top:76px;bottom:12px;width:min(320px,calc(100vw - 24px));transform:translateX(calc(-100% - 18px));transition:transform .22s ease;z-index:40}
  body.drawer-open .drawer{transform:translateX(0)}
  #ads{position:static}
}