:root {
  --bg: #f4f7fb;
  --side: #0f172a;
  --card: #fff;
  --line: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --brand: #2563eb;
  --ok: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}
.side {
  width: 240px;
  background: var(--side);
  color: #fff;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.brand { font-weight: 700; margin-bottom: 16px; line-height: 1.5; }
.side a { color: #cbd5e1; text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.side a:hover { background: #1e293b; color: #fff; }
.who { margin-top: auto; color: #94a3b8; font-size: 13px; padding: 10px; }
.main { flex: 1; padding: 28px; }
h1 { margin: 0 0 18px; font-size: 22px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.stat b { display: block; font-size: 26px; }
.muted { color: var(--muted); font-size: 13px; }
label { display: block; margin: 10px 0 4px; font-size: 13px; color: var(--muted); }
input, select, textarea, button {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
button, .btn {
  background: var(--brand);
  color: #fff;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  width: auto;
  padding: 9px 14px;
}
.btn.secondary { background: #e2e8f0; color: #0f172a; }
.btn.danger { background: var(--bad); }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: right; font-size: 14px; }
th { background: #f8fafc; }
.flash { padding: 10px 12px; border-radius: 10px; margin-bottom: 12px; }
.flash.ok { background: #dcfce7; color: var(--ok); }
.flash.bad { background: #fee2e2; color: var(--bad); }
.badge { padding: 3px 8px; border-radius: 999px; font-size: 12px; background: #e2e8f0; }
.badge.Active, .badge.Paid { background: #dcfce7; color: var(--ok); }
.badge.Trial, .badge.Review { background: #fef3c7; color: var(--warn); }
.badge.Suspended, .badge.Rejected { background: #fee2e2; color: var(--bad); }
.login-wrap { max-width: 420px; margin: 8vh auto; }
@media (max-width: 800px) {
  body { flex-direction: column; }
  .side { width: 100%; flex-direction: row; flex-wrap: wrap; }
}