:root{
  --bg:#0b1220; --panel:#111a2b; --muted:#a9b0c3; --text:#e9eefc; --brand:#7c5cff; --brand-2:#4dd3ff; --danger:#ff5c7a; --okay:#2ecc71; --warn:#ffcc00;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(145deg,#0b1220,#0e1830);color:var(--text);font:16px/1.6 "Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:rgba(255,255,255,0.02);border-bottom:1px solid rgba(255,255,255,0.06);backdrop-filter: blur(8px);position:sticky;top:0;z-index:5}
.brand{display:flex;gap:12px;align-items:center;font-weight:700}
.badge{background:linear-gradient(135deg,var(--brand),var(--brand-2));padding:6px 10px;border-radius:999px;font-size:12px;color:white}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid rgba(255,255,255,0.1);border-radius:12px;background:rgba(255,255,255,0.03);color:var(--text);cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(0,0,0,0.25)}
.btn.primary{border:none;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#0b1220;font-weight:700}
.hero{padding:64px 24px;display:grid;grid-template-columns:1.1fr 0.9fr;gap:32px;align-items:center}
h1{font-size:48px;line-height:1.1;margin:0}
.lead{color:var(--muted);font-size:18px}
.card{background:linear-gradient(180deg,rgba(255,255,255,0.04),rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.08);border-radius:18px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,0.25)}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
input,select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,0.1);background:rgba(255,255,255,0.02);color:var(--text)}
label{display:block;margin:8px 2px 6px;color:#c7d4ff}
.form{max-width:420px;margin:32px auto}
.alert{padding:12px 14px;border-radius:12px;margin:12px 0;border:1px solid rgba(255,255,255,0.08);background:rgba(255,255,255,0.04)}
.alert.success{border-color:rgba(46,204,113,.3)}
.alert.warning{border-color:rgba(255,204,0,.3)}
.alert.error{border-color:rgba(255,92,122,.35)}

.auth-links{display:flex;gap:12px;flex-wrap:wrap}
.footer{padding:32px 24px;color:var(--muted);text-align:center;border-top:1px solid rgba(255,255,255,0.06)}
.small{font-size:12px;color:var(--muted)}

/* Dashboard */
.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#0d1425;border-right:1px solid rgba(255,255,255,0.06);padding:20px;position:sticky;top:0;height:100vh}
.menu a{display:flex;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text)}
.menu a:hover,.menu a.active{background:rgba(255,255,255,0.05)}
.kpis{grid-template-columns:repeat(4,1fr)}
.kpi{padding:18px}
.kpi h3{margin:10px 0 0 0}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 10px;border-bottom:1px dashed rgba(255,255,255,0.08);text-align:left}
@media(max-width:980px){
  .hero{grid-template-columns:1fr}
  .grid.cols-3{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .shell{grid-template-columns:1fr}
  .sidebar{height:auto;position:relative}
}