:root{
  --navy:#1F4E78;
  --navy-dark:#153a5b;
  --gold:#D9A441;
  --cream:#FFF2CC;
  --bg:#F4F6F9;
  --text:#1F2937;
  --muted:#6B7280;
  --green:#1E7B45;
  --red:#B3261E;
  --border:#E3E7EE;
  --radius:10px;
}
*{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;}

.app{display:flex;min-height:100vh;}

/* Sidebar */
.sidebar{
  width:250px;
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-dark) 100%);
  color:#fff;
  display:flex;
  flex-direction:column;
  flex-shrink:0;
  padding:20px 0;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:10px;}
.brand-icon{font-size:28px;}
.brand-title{font-weight:700;font-size:15px;}
.brand-sub{font-size:11px;color:#c9d6e5;}
nav{flex:1;padding:10px 12px;}
.nav-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;margin-bottom:2px;
  border-radius:8px;font-size:14px;color:#dbe6f2;
  transition:background .15s;
}
.nav-link:hover{background:rgba(255,255,255,.08);}
.nav-link.active{background:var(--gold);color:#1F2937;font-weight:600;}
.nav-icon{width:20px;text-align:center;}
.sidebar-footer{padding:14px 20px 0;border-top:1px solid rgba(255,255,255,.12);margin-top:10px;}
.user-chip{font-size:13px;margin-bottom:8px;color:#dbe6f2;}
.logout-link{font-size:13px;color:var(--gold);font-weight:600;}

/* Content */
.content{flex:1;padding:26px 32px;max-width:100%;overflow-x:auto;}

.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.page-header h1{font-size:22px;margin:0;color:var(--navy-dark);}
.page-header p{margin:2px 0 0;color:var(--muted);font-size:13px;}

/* Cards / KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px;}
.kpi-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.kpi-label{font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;}
.kpi-value{font-size:24px;font-weight:700;color:var(--navy-dark);}
.kpi-sub{font-size:12px;color:var(--muted);margin-top:4px;}
.kpi-value.green{color:var(--green);}
.kpi-value.red{color:var(--red);}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:22px;box-shadow:0 1px 2px rgba(16,24,40,.04);}
.card h2{font-size:16px;margin:0 0 16px;color:var(--navy-dark);}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;}
.form-group{display:flex;flex-direction:column;gap:5px;}
.form-group label{font-size:12.5px;font-weight:600;color:var(--text);}
.form-group .hint{font-size:11px;color:var(--muted);font-weight:400;}
input,select,textarea{
  padding:9px 11px;border:1px solid var(--border);border-radius:7px;
  font-size:14px;font-family:inherit;background:#fff;color:var(--text);
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,78,120,.12);}
.form-actions{margin-top:18px;display:flex;gap:10px;}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:7px;border:none;
  font-size:13.5px;font-weight:600;cursor:pointer;
}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-dark);}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border);}
.btn-secondary:hover{background:#f3f4f6;}
.btn-danger{background:#fff;color:var(--red);border:1px solid #f3c6c3;padding:5px 10px;font-size:12.5px;}
.btn-danger:hover{background:#fdeceb;}
.btn-sm{padding:5px 10px;font-size:12.5px;}

/* Table */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:13.5px;}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;}
th{background:var(--navy);color:#fff;font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.3px;position:sticky;top:0;}
tbody tr:hover{background:#f8fafc;}
tbody tr:nth-child(even){background:#fbfcfe;}
.badge{padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600;}
.badge-green{background:#e3f5e9;color:var(--green);}
.badge-red{background:#fbe7e6;color:var(--red);}
.badge-gold{background:var(--cream);color:#8a6415;}
.text-right{text-align:right;}
.text-muted{color:var(--muted);}

/* Alerts */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:13.5px;font-weight:500;}
.alert-success{background:#e3f5e9;color:var(--green);border:1px solid #bfe6cc;}
.alert-error{background:#fbe7e6;color:var(--red);border:1px solid #f3c6c3;}

/* Filter bar */
.filter-bar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:18px;}

/* Login page */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-dark) 100%);}
.login-box{background:#fff;border-radius:14px;padding:36px 34px;width:100%;max-width:380px;box-shadow:0 20px 50px rgba(0,0,0,.25);}
.login-box h1{font-size:20px;margin:0 0 4px;color:var(--navy-dark);text-align:center;}
.login-box p.sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 24px;}
.login-box .form-group{margin-bottom:14px;}
.login-box .btn-primary{width:100%;justify-content:center;padding:11px;}

.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:22px;}
@media(max-width:900px){.grid-2{grid-template-columns:1fr;}}

.empty-state{padding:40px;text-align:center;color:var(--muted);}