:root{
  --navy:#122A4E; --navy-2:#1C3B69; --navy-3:#0C1E38;
  --paper:#F7F4EC; --paper-2:#FBF9F4; --line:#DDD6C4;
  --ink:#221F1A; --ink-soft:#5B5648;
  --red:#A6192E; --red-soft:#F4E1E2; --red-ink:#7A1121;
  --amber:#B7791F; --amber-soft:#FBF0D9; --amber-ink:#7A4E0C;
  --green:#3F6C51; --green-soft:#E4EEE5; --green-ink:#294A36;
  --gray-soft:#EBE8DE;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif; background:var(--paper); color:var(--ink); font-size:14px; line-height:1.5;}
.ledger-num{font-family:'Source Serif 4',serif; font-variant-numeric:tabular-nums;}
a{color:var(--navy-2);}
button{font-family:inherit; cursor:pointer;}
input,select,textarea{font-family:inherit; font-size:13px;}

#app{display:flex; min-height:100vh;}
#sidebar{width:236px; flex-shrink:0; background:var(--navy-3); color:#DCE3EE; display:flex; flex-direction:column; position:sticky; top:0; height:100vh; overflow-y:auto;}
#sidebar .brand{display:flex; align-items:center; gap:10px; padding:20px 18px 16px; border-bottom:1px solid rgba(255,255,255,.08);}
#sidebar .brand .seal{width:34px; height:34px; border-radius:50%; border:1.6px solid var(--red); display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--red); font-family:'Source Serif 4',serif; font-weight:600; font-size:13px;}
#sidebar .brand .name{font-weight:600; font-size:14.5px; color:#fff; letter-spacing:.2px;}
#sidebar .brand .sub{font-size:10.5px; color:#8FA0BC; margin-top:1px; letter-spacing:.4px; text-transform:uppercase;}
nav.navlist{padding:14px 10px; flex:1;}
.navgroup-label{font-size:10px; text-transform:uppercase; letter-spacing:.8px; color:#5D7092; padding:14px 10px 6px;}
.navitem{display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:7px; color:#B9C6DC; font-size:13.3px; margin-bottom:2px; text-decoration:none; border:none; background:transparent; width:100%; text-align:left;}
.navitem svg{flex-shrink:0; opacity:.85;}
.navitem:hover{background:rgba(255,255,255,.06); color:#fff;}
.navitem.active{background:var(--navy-2); color:#fff;}
.navitem .badge{margin-left:auto; background:var(--red); color:#fff; font-size:10.5px; padding:1px 6px; border-radius:20px; font-weight:600;}
#sidebar .foot{padding:12px 18px 16px; border-top:1px solid rgba(255,255,255,.08); font-size:10.5px; color:#5D7092;}

#main{flex:1; min-width:0; display:flex; flex-direction:column;}
#topbar{display:flex; align-items:center; gap:14px; padding:12px 26px; background:var(--paper-2); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:20;}
#topbar .title{font-weight:600; font-size:16.5px; color:var(--navy); flex-shrink:0;}
#topbar form.search{flex:1; max-width:420px; display:flex; align-items:center; gap:8px; background:#fff; border:1px solid var(--line); border-radius:7px; padding:7px 12px;}
#topbar form.search input{border:none; outline:none; flex:1; background:transparent; font-size:13px;}
.userbox{display:flex; align-items:center; gap:8px; margin-left:auto;}
.avatar{width:26px; height:26px; border-radius:50%; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:600; flex-shrink:0;}
.userbox .who{font-size:12.5px;}
.userbox .who b{display:block; font-weight:600; color:var(--navy);}
.userbox .who span{color:var(--ink-soft); font-size:11.5px;}
#content{flex:1; padding:22px 28px 60px; max-width:1320px; width:100%; margin:0 auto;}

.page-head{display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:18px; gap:16px; flex-wrap:wrap;}
.page-head h1{font-size:20px; font-weight:600; color:var(--navy); margin:0 0 3px;}
.page-head p{margin:0; color:var(--ink-soft); font-size:13px;}
.btn{display:inline-flex; align-items:center; gap:6px; border-radius:7px; border:1px solid var(--line); background:#fff; color:var(--ink); padding:8px 14px; font-size:13px; font-weight:500; text-decoration:none;}
.btn:hover{border-color:#C7BE9F; background:#FCFAF4;}
.btn-primary{background:var(--navy); border-color:var(--navy); color:#fff;}
.btn-primary:hover{background:var(--navy-2); border-color:var(--navy-2); color:#fff;}
.btn-red{background:var(--red); border-color:var(--red); color:#fff;}
.btn-red:hover{background:var(--red-ink); border-color:var(--red-ink); color:#fff;}
.btn-sm{padding:5px 10px; font-size:12px; border-radius:6px;}
.btn-ghost{background:transparent; border-color:transparent;}
.btn-ghost:hover{background:var(--gray-soft);}

.card{background:#fff; border:1px solid var(--line); border-radius:12px;}
.stat-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:14px; margin-bottom:22px;}
.stat-card{background:#fff; border:1px solid var(--line); border-radius:12px; padding:16px 18px;}
.stat-card .label{font-size:12px; color:var(--ink-soft); font-weight:500; text-transform:uppercase; letter-spacing:.3px;}
.stat-card .num{font-family:'Source Serif 4',serif; font-size:30px; font-weight:600; color:var(--navy); margin-top:4px;}
.stat-card .delta{font-size:11.5px; margin-top:5px; color:var(--ink-soft);}
.stat-card.accent-red .num{color:var(--red);}
.stat-card.accent-amber .num{color:var(--amber-ink);}
.stat-card.accent-green .num{color:var(--green-ink);}

.badge{display:inline-flex; align-items:center; gap:4px; font-size:11px; font-weight:600; padding:2.5px 8px; border-radius:20px; white-space:nowrap;}
.badge-gray{background:var(--gray-soft); color:var(--ink-soft);}
.badge-red{background:var(--red-soft); color:var(--red-ink);}
.badge-amber{background:var(--amber-soft); color:var(--amber-ink);}
.badge-green{background:var(--green-soft); color:var(--green-ink);}
.badge-navy{background:#E4EAF3; color:var(--navy);}

table{border-collapse:collapse; width:100%;}
.tbl{background:#fff; border:1px solid var(--line); border-radius:12px; overflow:hidden;}
.tbl table{font-size:13px;}
.tbl th{text-align:left; padding:10px 14px; background:var(--paper-2); color:var(--ink-soft); font-weight:600; font-size:11.5px; text-transform:uppercase; letter-spacing:.3px; border-bottom:1px solid var(--line); white-space:nowrap;}
.tbl td{padding:11px 14px; border-bottom:1px solid #EFEBDF; vertical-align:top;}
.tbl tbody tr:last-child td{border-bottom:none;}
.tbl tbody tr:hover{background:#FCFAF2;}
.tbl a.row-link{display:block; text-decoration:none; color:inherit;}
.mono-num{font-family:'Source Serif 4',serif; font-weight:600; color:var(--navy);}
.muted{color:var(--ink-soft);}
.empty{padding:44px 20px; text-align:center; color:var(--ink-soft);}
.empty .big{font-size:15px; color:var(--ink); font-weight:500; margin-bottom:4px;}

.filters{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px; align-items:center;}
.filters select, .filters input[type=text], .filters input[type=date]{border:1px solid var(--line); border-radius:7px; padding:7px 10px; background:#fff; font-size:12.5px;}
.tabs{display:flex; gap:4px; border-bottom:1px solid var(--line); margin-bottom:16px;}
.tab{padding:9px 14px; font-size:13px; font-weight:500; color:var(--ink-soft); border-bottom:2px solid transparent; background:none; border-top:none;border-left:none;border-right:none; text-decoration:none;}
.tab.active{color:var(--navy); border-bottom-color:var(--red);}

.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px 14px;}
.form-grid .full{grid-column:1/-1;}
.field label{display:block; font-size:12px; font-weight:600; color:var(--ink-soft); margin-bottom:5px;}
.field input, .field select, .field textarea{width:100%; border:1px solid var(--line); border-radius:7px; padding:8px 10px; font-size:13px; background:#fff;}
.field textarea{resize:vertical; min-height:56px;}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid #B9C6DC; outline-offset:0; border-color:var(--navy-2);}
.field .hint{font-size:11px; color:var(--ink-soft); margin-top:4px;}

.attach-row{display:flex; align-items:center; gap:8px; padding:6px 0;}
.attach-row .name{flex:1; font-size:12.5px;}
.lock-msg{display:flex; align-items:center; gap:8px; padding:26px; justify-content:center; color:var(--red-ink); background:var(--red-soft); border-radius:10px; font-size:13px; font-weight:500;}
.history-item{display:flex; gap:10px; padding:9px 0; border-bottom:1px solid #F0ECDF;}
.history-item:last-child{border-bottom:none;}
.history-item .dot{width:7px;height:7px;border-radius:50%;background:var(--navy-2); margin-top:6px; flex-shrink:0;}
.history-item .t{font-size:11.5px; color:var(--ink-soft);}
.history-item .a{font-size:13px; font-weight:500;}
.history-item .n{font-size:12.5px; color:var(--ink-soft); margin-top:1px;}

.flash{padding:10px 16px; border-radius:8px; font-size:13px; margin-bottom:14px; font-weight:500;}
.flash-success{background:var(--green-soft); color:var(--green-ink);}
.flash-error{background:var(--red-soft); color:var(--red-ink);}

.chart-card{background:#fff; border:1px solid var(--line); border-radius:12px; padding:18px 20px;}
.chart-card h3{margin:0 0 14px; font-size:13.5px; font-weight:600; color:var(--navy);}

.ledger-wrap{background:var(--paper-2); border:1px solid var(--line); border-radius:12px; padding:6px;}
.ledger-wrap table{background:#fff; border-radius:9px; overflow:hidden;}
.ledger-wrap th{border-bottom:2px solid var(--red);}

.login-wrap{min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--paper); padding:20px;}
.login-card{width:100%; max-width:380px; background:#fff; border:1px solid var(--line); border-radius:14px; padding:32px 28px;}
.login-card .seal{width:46px; height:46px; border-radius:50%; border:2px solid var(--red); display:flex; align-items:center; justify-content:center; color:var(--red); font-family:'Source Serif 4',serif; font-weight:600; margin:0 auto 14px;}
.login-card h1{text-align:center; font-size:18px; color:var(--navy); margin:0 0 4px;}
.login-card p.sub{text-align:center; color:var(--ink-soft); font-size:12.5px; margin:0 0 22px;}
.login-card .field{margin-bottom:14px;}
.demo-accounts{margin-top:18px; padding-top:16px; border-top:1px solid var(--line); font-size:11.5px; color:var(--ink-soft);}
.demo-accounts table{width:100%;}
.demo-accounts td{padding:2px 0;}

@media print{
  #sidebar,#topbar,.no-print{display:none !important;}
  #content{padding:0; max-width:none;}
  body{background:#fff;}
}
@media (max-width:900px){
  #content{padding:16px;}
  .form-grid{grid-template-columns:1fr;}
}