:root{
  --bg:#071426;
  --panel:#0b1f3a;
  --panel2:#0f2a4b;
  --text:#e8f0ff;
  --muted:#a8c1e8;
  --border:#17365f;
  --accent:#2d7dff;
  --danger:#ff4d4d;
  --ok:#28d17c;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px; margin:0 auto; padding:18px}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; background:linear-gradient(180deg, var(--panel), var(--bg));
  border-bottom:1px solid var(--border);
}
.brand{font-weight:700; letter-spacing:0.4px}
.card{
  background:linear-gradient(180deg, var(--panel2), var(--panel));
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.grid{display:grid; gap:14px}
.grid-2{grid-template-columns: 1fr 1fr}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}

input,select{
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#061225;
  color:var(--text);
}
label{display:block; margin:10px 0 6px; color:var(--muted); font-size:14px}
.btn{
  display:inline-block;
  padding:10px 14px;
  border-radius:10px;
  border:1px solid var(--border);
  background: #0b2c55;
  color:var(--text);
  cursor:pointer;
}
.btn:hover{filter:brightness(1.1)}
.btn-primary{background: var(--accent); border-color: #2c6be0}
.btn-danger{background: #3b1020; border-color: #6d1d36}
.badge{
  display:inline-block; padding:4px 10px; border-radius:999px;
  border:1px solid var(--border); color:var(--muted); font-size:12px;
}
.table{width:100%; border-collapse:collapse}
.table th,.table td{padding:10px; border-bottom:1px solid var(--border); text-align:left}
.table th{color:var(--muted); font-weight:600}
.top-banner{
  position:sticky; top:0; z-index:50;
  background: rgba(45,125,255,0.15);
  border-bottom:1px solid rgba(45,125,255,0.45);
  padding:10px 18px;
}
.flash{margin:10px 0; padding:10px 12px; border-radius:10px; border:1px solid var(--border)}
.flash.ok{background: rgba(40,209,124,0.12)}
.flash.err{background: rgba(255,77,77,0.12)}
.small{color:var(--muted); font-size:13px}
.actions{display:flex; gap:8px; flex-wrap:wrap}