:root{
  --bg:#0f172a;
  --bg2:#0b1220;
  --card:#162033;
  --card2:#1e293b;
  --line:rgba(148,163,184,.14);
  --text:#e8eefc;
  --muted:#94a3b8;
  --blue:#3b82f6;
  --blue2:#60a5fa;
  --green:#22c55e;
  --amber:#f59e0b;
  --red:#ef4444;
  --shadow:0 16px 40px rgba(0,0,0,.22);
  --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(59,130,246,.14), transparent 24%),
    linear-gradient(180deg,var(--bg2) 0%, var(--bg) 100%);
}
a{text-decoration:none;color:inherit}
.header{
  position:sticky; top:0; z-index:60;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:14px 18px;
  background:rgba(11,18,32,.84);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--line);
}
.brand-wrap{display:flex;align-items:center;gap:12px}
.brand-badge{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;font-weight:900;
  background:linear-gradient(135deg,var(--blue),#1d4ed8);
  box-shadow:0 10px 24px rgba(59,130,246,.35);
}
.brand-title{font-size:18px;font-weight:800;letter-spacing:.3px}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
.nav{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end;
}
.nav a,.nav button,.nav span.user-chip{
  border:1px solid rgba(148,163,184,.16);
  background:rgba(30,41,59,.72);
  color:#fff;
  padding:10px 14px;
  border-radius:14px;
  font-size:14px;
  white-space:nowrap;
}
.nav a.active{background:linear-gradient(135deg,var(--blue),#2563eb); border-color:transparent}
.nav button{cursor:pointer}
.user-chip{display:inline-flex;align-items:center;gap:8px}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;
}
.badge.role{background:rgba(59,130,246,.16);color:#bfdbfe}
.badge.paid{background:rgba(34,197,94,.16);color:#86efac}
.badge.pending{background:rgba(245,158,11,.16);color:#fde68a}
.container{max-width:1440px;margin:0 auto;padding:22px}
.cards{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-bottom:18px;
}
.card,.box,.formbox,.login-card{
  background:linear-gradient(180deg,rgba(30,41,59,.96) 0%, rgba(22,32,51,.98) 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card{padding:18px}
.kicker{
  font-size:12px; text-transform:uppercase; letter-spacing:.9px;
  color:var(--muted)
}
.valor{
  font-size:30px; font-weight:800; margin-top:8px;
}
.panel{
  display:grid;
  grid-template-columns:minmax(320px,380px) minmax(0,1fr);
  gap:18px;
  align-items:start;
}
.formbox,.box{padding:18px}
h1,h2,h3{margin:0 0 12px 0}
.small{display:block;font-size:12px;color:var(--muted);margin:8px 0 6px}
input,select,textarea,button{
  font:inherit;
}
input,select,textarea{
  width:100%;
  background:#0c1526;
  color:#fff;
  border:1px solid rgba(148,163,184,.18);
  border-radius:14px;
  padding:12px 13px;
  outline:none;
}
input::placeholder,textarea::placeholder{color:#8093b3}
button{
  border:none;
  color:#fff;
  background:linear-gradient(135deg,var(--blue),#2563eb);
  padding:12px 14px;
  border-radius:14px;
  font-weight:700;
  cursor:pointer;
}
button.secondary{
  background:rgba(15,23,42,.9);
  border:1px solid rgba(148,163,184,.18);
}
button.green{background:linear-gradient(135deg,#22c55e,#16a34a)}
button.amber{background:linear-gradient(135deg,#f59e0b,#d97706); color:#111827}
button.red{background:linear-gradient(135deg,#ef4444,#dc2626)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.topbar{
  display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;
  margin-bottom:14px;
}
.filters{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;
}
.muted{color:var(--muted)}
.sep{border:none;border-top:1px solid var(--line);margin:16px 0}
.table-wrap{
  width:100%;
  overflow:auto;
  border:1px solid var(--line);
  border-radius:18px;
}
table{
  width:100%;
  min-width:960px;
  border-collapse:collapse;
  background:rgba(12,21,38,.75);
}
th,td{
  padding:12px 10px;
  border-bottom:1px solid rgba(148,163,184,.1);
  text-align:left;
  font-size:14px;
  vertical-align:top;
}
th{
  position:sticky; top:0;
  background:#172338;
  color:#dbeafe;
  z-index:1;
}
.chart-shell{
  background:rgba(12,21,38,.45);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px;
}
canvas{width:100%!important;max-height:320px}
.login-wrap{
  min-height:100vh; display:grid; place-items:center; padding:20px;
}
.login-card{width:min(100%,460px);padding:26px}
.help{
  background:rgba(59,130,246,.12);
  border:1px solid rgba(59,130,246,.2);
  color:#dbeafe;
  padding:12px 14px;
  border-radius:14px;
  margin-bottom:14px;
  line-height:1.45;
}
.notice{
  margin-bottom:12px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(34,197,94,.1);
  border:1px solid rgba(34,197,94,.18);
  color:#bbf7d0;
}
.toolbar{
  display:flex;gap:10px;flex-wrap:wrap
}
@media (max-width: 1180px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panel{grid-template-columns:1fr}
}
@media (max-width: 780px){
  .header{padding:12px 14px; align-items:flex-start; flex-direction:column}
  .brand-wrap{width:100%}
  .nav{width:100%;justify-content:flex-start}
  .container{padding:14px}
  .cards{grid-template-columns:1fr}
  .row,.filters{grid-template-columns:1fr}
  .valor{font-size:26px}
  .formbox,.box,.card{padding:16px}
  .topbar{align-items:flex-start}
}