:root{
  --bg:#0b1220;
  --card:#121b2f;
  --muted:#93a4c7;
  --text:#e8eeff;
  --primary:#4f8cff;
  --danger:#ff4f6d;
  --ok:#2fe19a;
  --border:rgba(255,255,255,.08);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 20% 0%, #15224a 0%, var(--bg) 55%);
  color:var(--text);
}
a{color:inherit}
.container{max-width:1040px;margin:0 auto;padding:18px}

.topbar{position:sticky;top:0;background:rgba(11,18,32,.78);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand a{text-decoration:none;font-weight:700;letter-spacing:.2px}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav__link{padding:8px 12px;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:var(--text)}
.nav__link:hover{border-color:rgba(255,255,255,.18)}

.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:900px){ .grid--2{grid-template-columns:1.1fr .9fr} }

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
}
.card h1,.card h2{margin:0 0 10px}
.muted{color:var(--muted)}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid var(--border);font-size:12px}
.badge--ok{border-color:rgba(47,225,154,.35);color:var(--ok)}
.badge--warn{border-color:rgba(255,196,0,.35);color:#ffd56b}
.badge--danger{border-color:rgba(255,79,109,.35);color:var(--danger)}

.form{display:grid;gap:10px}
.row{display:grid;gap:10px}
@media(min-width:720px){ .row--2{grid-template-columns:1fr 1fr} .row--3{grid-template-columns:1fr 1fr 1fr} }

label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
input,select,textarea{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:rgba(79,140,255,.55)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid rgba(79,140,255,.5);
  background:rgba(79,140,255,.18);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
}
.btn:hover{background:rgba(79,140,255,.26)}
.btn--danger{border-color:rgba(255,79,109,.55);background:rgba(255,79,109,.12)}
.btn--danger:hover{background:rgba(255,79,109,.20)}
.btn--ghost{border-color:var(--border);background:transparent}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.alert{padding:12px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.04)}
.alert--danger{border-color:rgba(255,79,109,.35)}
.alert--ok{border-color:rgba(47,225,154,.35)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.footer{border-top:1px solid var(--border);margin-top:18px}
small{color:var(--muted)}