:root{
  --bg:#0b0f19;
  --card:#0f172a;
  --muted:#94a3b8;
  --text:#e2e8f0;
  --line:rgba(148,163,184,.18);
  --brand:#8b5cf6;
  --brand2:#22c55e;
  --danger:#ef4444;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1000px 600px at 20% 0%, rgba(139,92,246,.14), transparent 55%),
             radial-gradient(800px 500px at 90% 20%, rgba(34,197,94,.10), transparent 50%),
             var(--bg);
  color:var(--text);
}
a{color:inherit}
.container{max-width:980px;margin:0 auto;padding:18px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  position:sticky;top:0;background:rgba(11,15,25,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
  padding:12px 18px; z-index:5;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo{
  width:34px;height:34px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#0ea5e9);
  box-shadow:0 10px 28px rgba(139,92,246,.25);
}
.brand span{font-weight:800;letter-spacing:.3px}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav a{
  text-decoration:none;
  padding:8px 10px;border-radius:12px;border:1px solid transparent;
  color:var(--muted);
}
.nav a:hover{border-color:var(--line);color:var(--text)}
.badge{font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
@media(min-width:900px){.grid{grid-template-columns: 1.2fr .8fr}}
.card{
  background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(15,23,42,.82));
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
  overflow:hidden;
}
.card h2,.card h3{margin:0;padding:14px 16px;border-bottom:1px solid var(--line)}
.card .body{padding:14px 16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{
  cursor:pointer;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(2,6,23,.35);
  color:var(--text);
  text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{border-color:rgba(148,163,184,.38)}
.btn.primary{background:linear-gradient(135deg, rgba(139,92,246,.95), rgba(34,197,94,.55)); border-color:transparent}
.btn.danger{background:rgba(239,68,68,.15); border-color:rgba(239,68,68,.35)}
.input,textarea,select{
  width:100%;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(2,6,23,.35);
  color:var(--text);
  outline:none;
}
textarea{min-height:110px;resize:vertical}
.small{font-size:13px;color:var(--muted)}
.hr{height:1px;background:var(--line);margin:14px 0}
.post{padding:12px 0;border-bottom:1px solid var(--line)}
.post:last-child{border-bottom:0}
.phead{display:flex;justify-content:space-between;gap:10px}
.userline{display:flex;align-items:center;gap:8px}
.pmeta{font-size:13px;color:var(--muted)}
.pcontent{white-space:pre-wrap;line-height:1.35;margin:8px 0 0}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px}
.flash{padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:rgba(34,197,94,.10)}
.flash.err{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.35)}
.username{font-weight:800}
.effect-glow{text-shadow:0 0 12px rgba(139,92,246,.8)}
.effect-fire{text-shadow:0 0 12px rgba(245,158,11,.9)}
.effect-ice{text-shadow:0 0 12px rgba(56,189,248,.9)}
.msgbox{max-height:420px;overflow:auto}
.msg{padding:10px 12px;border-bottom:1px solid var(--line)}
.msg:last-child{border-bottom:0}
.mwho{font-weight:800}
.footer{padding:22px 18px;color:var(--muted);text-align:center}