:root{
  --bg:#0b0f17; --card:#101826; --bdr:#1e293b; --txt:#e5e7eb; --mut:#9ca3af; --pri:#3b82f6;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.6 system-ui,Segoe UI,Arial}
.topbar{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--bdr);background:#0a1220}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:28px;height:28px}
.brand-name{font-weight:800}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav-btn{background:transparent;color:var(--txt);border:1px solid var(--bdr);padding:8px 12px;border-radius:10px;cursor:pointer}
.nav-btn.active{border-color:var(--pri)}
.actions{display:flex;gap:10px;align-items:center}
.btn{background:var(--pri);color:#fff;border:0;border-radius:10px;padding:9px 14px;cursor:pointer;font-weight:700}
.badge{background:#0f172a;border:1px solid var(--bdr);padding:6px 10px;border-radius:999px;color:var(--mut)}
.page{max-width:1000px;margin:22px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--bdr);border-radius:12px;padding:16px;margin-bottom:14px}
.card-title{font-weight:800;margin-bottom:6px}
.muted{color:var(--mut)}
.view{display:none}.view.show{display:block}
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;background:#111827;color:#e5e7eb;padding:10px 14px;border-radius:10px;opacity:0;transition:.2s;z-index:20}