:root{
  --bg:#f4f6f9;
  --surface:#ffffff;
  --border:#e4e8ef;
  --text:#1a2233;
  --text-muted:#6b7688;
  --primary:#2952e3;
  --primary-dark:#1c3aab;
  --primary-light:#eaf0ff;
  --green:#12875a;
  --green-bg:#e7f8f0;
  --red:#c93a3a;
  --red-bg:#fbeaea;
  --orange:#b3720f;
  --orange-bg:#fdf2e0;
  --blue:#2364d2;
  --blue-bg:#e8f0fd;
  --radius:10px;
  --shadow:0 1px 2px rgba(20,25,40,.06), 0 1px 8px rgba(20,25,40,.04);
  --sidebar-w:250px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  font-size:14.5px;
  line-height:1.5;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 4px;font-weight:650;letter-spacing:-.01em}
.app-shell{display:flex;min-height:100vh}

.sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:#141a2b;color:#c3c9db;
  padding:20px 0;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;
}
.sidebar .brand{padding:0 20px 20px;font-weight:700;color:#fff;font-size:17px;display:flex;align-items:center;gap:8px}
.sidebar .brand .dot{width:9px;height:9px;border-radius:50%;background:var(--primary);display:inline-block}
.sidebar nav .group-label{padding:16px 20px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#6a7286}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:9px 20px;color:#c3c9db;font-size:13.5px;
  border-left:3px solid transparent;
}
.sidebar nav a:hover{background:#1c2438;text-decoration:none;color:#fff}
.sidebar nav a.active{background:#1c2438;color:#fff;border-left-color:var(--primary);font-weight:600}
.sidebar nav a.sub{padding-left:36px;font-size:13px}

.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  background:var(--surface);border-bottom:1px solid var(--border);
  padding:14px 28px;display:flex;justify-content:space-between;align-items:center;
  position:sticky;top:0;z-index:10;
}
.topbar h1{font-size:19px}
.topbar .user{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:14px}
.content{padding:24px 28px 60px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-body{padding:18px 20px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.sidebar{transform:translateX(-100%)}.main{margin-left:0}}

.stat-card{padding:18px 20px}
.stat-card .label{font-size:12.5px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.stat-card .value{font-size:26px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.stat-card .sub{font-size:12.5px;color:var(--text-muted);margin-top:4px}
.stat-card.accent-green .value{color:var(--green)}
.stat-card.accent-red .value{color:var(--red)}
.stat-card.accent-blue .value{color:var(--blue)}
.stat-card.accent-orange .value{color:var(--orange)}

.section-header{display:flex;justify-content:space-between;align-items:center;margin:28px 0 12px}
.section-header:first-child{margin-top:0}
.section-header h2{font-size:16px}

.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{
  text-align:left;padding:10px 14px;background:#fafbfd;color:var(--text-muted);
  font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;
  border-bottom:1px solid var(--border);white-space:nowrap;
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfd}
.text-right{text-align:right}
.mono{font-variant-numeric:tabular-nums}
.text-muted{color:var(--text-muted)}
.amount-in{color:var(--green);font-weight:600}
.amount-out{color:var(--red);font-weight:600}
.amount-neutral{color:var(--blue);font-weight:600}

.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;white-space:nowrap}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-orange{background:var(--orange-bg);color:var(--orange)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}
.badge-gray{background:#eef0f4;color:var(--text-muted)}

label{display:block;font-size:12.5px;font-weight:600;color:var(--text-muted);margin:0 0 5px}
input[type=text],input[type=number],input[type=date],input[type=email],input[type=password],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:7px;font-size:13.5px;
  background:#fff;color:var(--text);font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-row{margin-bottom:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media (max-width:700px){.form-grid,.form-grid-3{grid-template-columns:1fr}}
.help-text{font-size:12px;color:var(--text-muted);margin-top:4px}

.btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:7px;font-size:13.5px;
  font-weight:600;border:1px solid transparent;cursor:pointer;background:var(--primary);color:#fff;
}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn-outline{background:#fff;color:var(--text);border-color:var(--border)}
.btn-outline:hover{background:#f5f6f9}
.btn-danger{background:var(--red)}
.btn-danger:hover{background:#a92e2e}
.btn-sm{padding:5px 11px;font-size:12.5px}
.btn-link{background:none;color:var(--primary);padding:0;border:none}

.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.filter-bar .field{min-width:150px}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:14px;font-size:13.5px}
.alert-success{background:var(--green-bg);color:var(--green)}
.alert-error{background:var(--red-bg);color:var(--red)}
.alert-info{background:var(--blue-bg);color:var(--blue)}

.recon-box{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-radius:var(--radius);border:1px solid var(--border)}
.recon-ok{background:var(--green-bg);border-color:#bfe8d4}
.recon-bad{background:var(--red-bg);border-color:#f2c4c4}

.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(15,20,35,.45);z-index:100;align-items:center;justify-content:center}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:12px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-header{padding:16px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{font-size:16px}
.modal-body{padding:20px 22px}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);line-height:1}

.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted)}
.empty-state .icon{font-size:34px;margin-bottom:10px}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tabs a{padding:9px 14px;font-size:13.5px;font-weight:600;color:var(--text-muted);border-bottom:2px solid transparent}
.tabs a.active{color:var(--primary);border-bottom-color:var(--primary)}
.tabs a:hover{text-decoration:none;color:var(--primary)}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#141a2b,#20294a)}
.login-card{background:#fff;border-radius:14px;padding:36px 34px;width:100%;max-width:380px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.login-card h1{font-size:20px;margin-bottom:2px}
.login-card p{color:var(--text-muted);font-size:13px;margin:0 0 22px}