:root{
  --bg:#0b1220;
  --panel:#0f1a2e;
  --card:#101f38;
  --text:#eaf0ff;
  --muted:#9db0d6;
  --accent:#0090e0;
  --accent2:#1070b0;
  --line:rgba(255,255,255,.08);
  --radius:14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--text);background:linear-gradient(180deg,#060b16, #0b1220);}

.admin-body{display:flex;min-height:100vh}
.sidebar{
  width:260px;background:rgba(15,26,46,.9);border-right:1px solid var(--line);
  padding:18px 14px;position:sticky;top:0;height:100vh;
}
.brand{
  font-weight:800;letter-spacing:.08em;
  padding:12px 12px;border-radius:12px;
  background:linear-gradient(135deg, rgba(0,144,224,.25), rgba(16,112,176,.10));
  border:1px solid rgba(0,144,224,.25);
}
.nav{margin-top:14px;display:flex;flex-direction:column;gap:6px}
.nav-link{
  color:var(--muted);text-decoration:none;padding:10px 12px;border-radius:12px;
  border:1px solid transparent;
}
.nav-link:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav-link.active{background:rgba(0,144,224,.12);border-color:rgba(0,144,224,.25);color:var(--text)}

.main{flex:1;padding:18px 20px 28px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(16,31,56,.65);box-shadow:var(--shadow);
}
.topbar-title{font-weight:800}
.topbar-user{display:flex;gap:12px;align-items:center;color:var(--muted)}
.btn-link{color:var(--text);text-decoration:none;border:1px solid var(--line);padding:8px 10px;border-radius:12px}
.btn-link:hover{border-color:rgba(0,144,224,.35);background:rgba(0,144,224,.10)}

.grid{display:grid;gap:14px;margin-top:14px}
.kpis{grid-template-columns:repeat(3, minmax(0,1fr))}
.two-cols{grid-template-columns:repeat(2, minmax(0,1fr))}

.card{
  background:rgba(16,31,56,.75);border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 14px;box-shadow:var(--shadow);
}
.card-label{color:var(--muted);font-size:13px}
.card-value{font-size:30px;font-weight:900;margin-top:6px}
.card-title{margin:0 0 10px 0;font-size:16px}

.table{width:100%;border-collapse:collapse;font-size:13px}
.table th,.table td{padding:10px 8px;border-bottom:1px solid var(--line);color:var(--muted)}
.table th{color:var(--text);text-align:left;font-weight:700}
.badge{
  display:inline-block;padding:4px 8px;border-radius:999px;
  background:rgba(0,144,224,.14);border:1px solid rgba(0,144,224,.22);color:var(--text)
}

/* Auth */
.auth-body{display:grid;place-items:center;min-height:100vh;padding:24px}
.auth-card{
  width:min(420px, 94vw);background:rgba(16,31,56,.78);border:1px solid var(--line);
  border-radius:18px;padding:18px 18px;box-shadow:var(--shadow)
}
.auth-brand{font-weight:900;letter-spacing:.06em;color:var(--muted)}
.auth-title{margin:8px 0 14px 0}
.auth-form{display:flex;flex-direction:column;gap:8px}
.auth-form label{color:var(--muted);font-size:13px}
.auth-form input{
  padding:11px 12px;border-radius:12px;border:1px solid var(--line);
  background:rgba(0,0,0,.20);color:var(--text);outline:none;
}
.auth-form input:focus{border-color:rgba(0,144,224,.45)}
.btn-primary{
  margin-top:8px;padding:12px 12px;border-radius:12px;border:0;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:white;font-weight:800;cursor:pointer
}
.alert{
  background:rgba(255,90,90,.14);border:1px solid rgba(255,90,90,.28);
  color:var(--text);padding:10px 12px;border-radius:12px;margin-bottom:10px
}
.auth-footnote{margin-top:12px;color:var(--muted);font-size:12px}
@media (max-width: 980px){
  .kpis{grid-template-columns:1fr}
  .two-cols{grid-template-columns:1fr}
  .sidebar{display:none}
}