/* Premium UI */
:root{
  --bg:#0b1220;
  --panel:#121a2b;
  --accent:#4cc9f0;
  --accent2:#4361ee;
  --text:#e6edf7;
  --muted:#9fb0c7;
  --success:#22c55e;
  --danger:#ef4444;
}

*{box-sizing:border-box}
body{margin:0;font-family:Inter, Arial, sans-serif;background:linear-gradient(180deg,#0b1220,#0e1629);color:var(--text)}
header{background:rgba(18,26,43,.8);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10;border-bottom:1px solid #1f2a44}
.container{max-width:1100px;margin:auto;padding:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2))}
nav{display:flex;gap:14px;flex-wrap:wrap}
nav a{color:var(--text);text-decoration:none;font-weight:600;padding:8px 10px;border-radius:8px}
nav a:hover{background:#1a2440}

.hero{padding:64px 16px;text-align:center}
.hero h1{font-size:42px;margin:0 0 10px}
.hero p{color:var(--muted);margin:0 0 20px}
.btn{background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;padding:10px 16px;border:none;border-radius:10px;cursor:pointer;text-decoration:none;display:inline-block}
.btn.secondary{background:#1a2440}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid #1f2a44;border-radius:14px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.card h3{margin-top:0}

.section{padding:24px 16px}

input,select{width:100%;padding:10px;border-radius:10px;border:1px solid #223055;background:#0e1629;color:var(--text);margin:6px 0}
small{color:var(--muted)}

.badge{display:inline-block;padding:4px 8px;border-radius:8px;background:#1a2440;color:var(--muted)}
.kpi{font-size:28px;font-weight:700}
.row{display:flex;gap:16px;flex-wrap:wrap}
.footer{padding:20px;text-align:center;color:var(--muted)}