:root{
  --primary:#2f6fed;
  --primary-dark:#1e4fb8;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1f2430;
  --muted:#6b7280;
  --border:#e5e9f2;
  --success:#16a34a;
  --danger:#dc2626;
  --warning:#d97706;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Segoe UI',Tahoma,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{text-decoration:none;color:inherit;}
.layout{display:flex;min-height:100vh;}
.sidebar{
  width:230px;
  background:#151b2e;
  color:#dfe4f5;
  flex-shrink:0;
  padding:20px 0;
}
.sidebar .brand{
  font-size:18px;
  font-weight:700;
  padding:0 20px 20px;
  color:#fff;
  border-bottom:1px solid #2a3352;
  margin-bottom:10px;
}
.sidebar a.nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 20px;
  color:#b7c0dd;
  font-size:14.5px;
}
.sidebar a.nav-link:hover, .sidebar a.nav-link.active{
  background:#232b47;
  color:#fff;
  border-right:3px solid var(--primary);
}
.main{flex:1;min-width:0;}
.topbar{
  background:var(--card);
  padding:14px 24px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid var(--border);
}
.topbar .user-box{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);}
.content{padding:24px;}
.page-title{font-size:22px;font-weight:700;margin:0 0 18px;}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:18px 20px;
}
.stat-card .label{font-size:13px;color:var(--muted);margin-bottom:6px;}
.stat-card .value{font-size:24px;font-weight:700;}
.stat-card.green .value{color:var(--success);}
.stat-card.red .value{color:var(--danger);}
.stat-card.blue .value{color:var(--primary);}
.stat-card.orange .value{color:var(--warning);}
.panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:20px;
  margin-bottom:20px;
}
.panel-title{font-size:16px;font-weight:700;margin-bottom:14px;}
table{width:100%;border-collapse:collapse;font-size:14px;}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);}
th{color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;}
tr:hover td{background:#f9fafc;}
.badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.badge.active,.badge.bank{background:#e6f7ec;color:var(--success);}
.badge.inactive,.badge.cash{background:#fdeaea;color:var(--danger);}
.badge.advance{background:#fff4e5;color:var(--warning);}
.badge.subscription{background:#e8effe;color:var(--primary);}
.btn{
  display:inline-block;
  padding:9px 18px;
  background:var(--primary);
  color:#fff;
  border:none;
  border-radius:8px;
  cursor:pointer;
  font-size:14px;
  font-weight:600;
}
.btn:hover{background:var(--primary-dark);}
.btn.secondary{background:#eef1f8;color:var(--text);}
.btn.danger{background:var(--danger);}
.btn.small{padding:5px 12px;font-size:12.5px;}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group label{font-size:13px;font-weight:600;color:var(--muted);}
.form-group input,.form-group select,.form-group textarea{
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  font-size:14px;
  font-family:inherit;
}
.form-actions{margin-top:20px;display:flex;gap:10px;}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;}
.alert.success{background:#e6f7ec;color:var(--success);}
.alert.error{background:#fdeaea;color:var(--danger);}
.login-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#1e4fb8,#2f6fed);
}
.login-box{
  background:#fff;
  padding:40px;
  border-radius:14px;
  width:100%;
  max-width:380px;
  box-shadow:0 20px 50px rgba(0,0,0,.2);
}
.login-box h2{margin:0 0 6px;}
.login-box p{color:var(--muted);margin:0 0 24px;font-size:14px;}
.filters{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap;}
.filters a{
  padding:7px 16px;
  border-radius:20px;
  background:#eef1f8;
  font-size:13.5px;
  font-weight:600;
  color:var(--text);
}
.filters a.active{background:var(--primary);color:#fff;}
.top-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.search-box input{padding:9px 14px;border:1px solid var(--border);border-radius:8px;width:240px;}
@media(max-width:800px){
  .layout{flex-direction:column;}
  .sidebar{width:100%;display:flex;overflow-x:auto;padding:10px;}
  .sidebar .brand{display:none;}
  .sidebar a.nav-link{padding:8px 14px;white-space:nowrap;border-right:none !important;}
}