:root{
  --bg:#0f172a; --card:#111827; --text:#e5e7eb; --muted:#9ca3af;
  --primary:#2563eb; --primary-2:#1e40af; --accent:#22c55e; --danger:#ef4444; --info:#06b6d4;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0b1022;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text)}
a{text-decoration:none;color:inherit}
.content-container{max-width:980px;margin:0 auto;padding:16px}
.card{background:linear-gradient(180deg,#0f172a,#0b1325);border:1px solid #1f2937;border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:0 10px 25px rgba(0,0,0,.25)}
.grid{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:640px){.grid-2{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:12px;padding:12px 16px;cursor:pointer;font-weight:600}
.btn-lg{padding:16px 18px;font-size:18px}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-2)}
.btn-secondary{background:#374151;color:#fff}.btn-secondary:hover{background:#2b3441}
.btn-info{background:var(--info);color:#06242b}.btn-info:hover{filter:brightness(.95)}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(.95)}
.btn-disabled{background:#334155;color:#94a3b8}
.button-group{display:flex;gap:8px;flex-wrap:wrap}
.table-container h2{margin:0 0 8px 0}
.table-wrapper{overflow:auto;border:1px solid #1f2937;border-radius:12px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid #1f2937}
thead th{background:#0d152e;text-align:left;color:#9db1ff}
tbody tr:hover{background:#0f1b3d}
label{display:inline-block;margin-bottom:6px;color:#b6c5ff}
input,select{width:100%;padding:10px;border-radius:10px;border:1px solid #1e293b;background:#0b1530;color:#dbeafe}
.filter-group{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.sum-total{font-size:24px;color:#22c55e;margin-top:8px}
.chart-container canvas{width:100%;max-height:360px}