:root{
  --bg:#0b1220;
  --panel:#0f1a30;
  --card:#101f3d;
  --muted:#9fb2d6;
  --text:#eef3ff;
  --accent:#6ea8ff;
  --accent2:#57d3a7;
  --danger:#ff6b6b;
  --border:rgba(255,255,255,.08);
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --radius:14px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
body{margin:0;background:radial-gradient(1000px 700px at 15% 10%, rgba(110,168,255,.22), transparent 60%),
radial-gradient(900px 600px at 85% 15%, rgba(87,211,167,.18), transparent 55%),
var(--bg);color:var(--text);}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:26px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:rgba(15,26,48,.72);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter: blur(10px); box-shadow: var(--shadow);}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 12px 26px rgba(110,168,255,.25)}
.brand h1{font-size:16px;margin:0;letter-spacing:.3px}
.nav{display:flex;gap:14px;align-items:center}
.pill{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:rgba(16,31,61,.55)}
.pill:hover{border-color:rgba(110,168,255,.35)}
.grid{display:grid;gap:14px}
.grid.kpis{grid-template-columns:repeat(3, minmax(0,1fr));margin-top:14px}
.card{background:rgba(16,31,61,.6);border:1px solid var(--border);border-radius:var(--radius);box-shadow: var(--shadow);padding:16px}
.kpi .label{color:var(--muted);font-size:12px}
.kpi .value{font-size:28px;font-weight:700;margin-top:6px}
.split{display:grid;grid-template-columns: 1.2fr .8fr;gap:14px;margin-top:14px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}
th{color:var(--muted);font-weight:600}
.status{font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid var(--border);display:inline-block}
.status.paid{border-color:rgba(87,211,167,.35);background:rgba(87,211,167,.10)}
.status.issued{border-color:rgba(110,168,255,.35);background:rgba(110,168,255,.10)}
.status.overdue{border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.10)}
.muted{color:var(--muted)}
.btn{display:inline-block;padding:10px 12px;border-radius:12px;border:1px solid rgba(110,168,255,.35);background:rgba(110,168,255,.12)}
.btn:hover{background:rgba(110,168,255,.18)}
.loginWrap{max-width:460px;margin:10vh auto}
.input{width:100%;padding:12px 12px;border-radius:12px;border:1px solid var(--border);background:rgba(16,31,61,.55);color:var(--text);outline:none}
.input:focus{border-color:rgba(110,168,255,.5)}
.stack{display:flex;flex-direction:column;gap:10px}
.error{padding:10px 12px;border-radius:12px;border:1px solid rgba(255,107,107,.35);background:rgba(255,107,107,.10)}

@media (max-width: 900px){
  .grid.kpis{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
}