:root{
  --bg:#0b1220;
  --text:#e8eefc;
  --muted:#a9b7d0;
  --border:rgba(255,255,255,.10);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 600px at 30% 10%, rgba(99,179,255,.15), transparent 55%),
              radial-gradient(900px 500px at 80% 40%, rgba(146,85,255,.12), transparent 60%),
              var(--bg);
  color:var(--text);
}
.container{max-width:1200px; margin:24px auto; padding:0 16px;}
.shell{display:grid; grid-template-columns: 260px 1fr; gap:16px;}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.sidebar{padding:14px;}
.sidebar h1{font-size:18px; margin:6px 0 10px;}
.nav{display:flex; flex-direction:column; gap:8px; max-height: calc(100vh - 140px); overflow:auto; padding-right:6px;}
.nav button{
  text-align:left;
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:12px;
  padding:10px 12px;
  color:var(--text);
  cursor:pointer;
}
.nav button.active{outline:2px solid rgba(99,179,255,.35); background: rgba(99,179,255,.08);}
.main{padding:16px;}
.topbar{
  display:flex; gap:10px; flex-wrap:wrap;
  padding:10px;
  background: rgba(0,0,0,.18);
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:14px;
}
.topbar button{
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 12px;
  cursor:pointer;
  color:var(--text);
}
.topbar button.active{background: rgba(99,179,255,.10); outline:2px solid rgba(99,179,255,.30);}
.hdr{display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap;}
.hdr h2{margin:0; font-size:22px;}
.sub{color:var(--muted); margin:8px 0 0;}
.grid{display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-top:14px;}
.panel{padding:14px;}
.panel h3{margin:0 0 10px; font-size:16px;}
.row{display:grid; grid-template-columns: 1fr 1fr; gap:10px;}
.field label{display:block; font-size:12px; color:var(--muted); margin:0 0 6px;}
.field input{
  width:100%; padding:10px 12px; border-radius:12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.22);
  color:var(--text);
}
.actions{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px;}
.actions button{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius:12px;
  padding:9px 12px;
  cursor:pointer;
  color:var(--text);
}
.actions button.primary{background: linear-gradient(180deg, rgba(99,179,255,.25), rgba(99,179,255,.12)); border-color: rgba(99,179,255,.35);}
.small{font-size:12px; color:var(--muted); line-height:1.5;}
.kpi{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  background: rgba(0,0,0,.18);
}
.kpi .label{color:var(--muted); font-size:12px;}
.kpi .value{font-size:34px; font-weight:700; margin:6px 0;}
.kpi .hint{color:var(--muted); font-size:12px;}
.acc{margin-top:10px;}
.acc summary{cursor:pointer; color:var(--muted);}
textarea{
  width:100%; min-height:110px; padding:10px 12px; border-radius:12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.22);
  color:var(--text);
  resize:vertical;
}
canvas{width:100%; height:260px; border:1px solid var(--border); border-radius:14px; background: rgba(0,0,0,.12);}
.footerNote{margin-top:10px; color:var(--muted); font-size:12px;}
@media(max-width: 980px){
  .shell{grid-template-columns: 1fr;}
  .grid{grid-template-columns: 1fr;}
}
@media print{
  body{background:#fff; color:#000;}
  .sidebar,.topbar,.actions .no-print, .no-print{display:none !important;}
  .card{box-shadow:none; border:1px solid #ddd;}
  .kpi{background:#fff;}
  textarea, input{border:1px solid #ddd; background:#fff; color:#000;}
  canvas{border:1px solid #ddd;}
}