:root {
  --bg:#0f1117; --surface:#181c26; --panel:#1e2333; --border:#2a2f42;
  --accent:#c0392b; --accent2:#e74c3c; --gold:#f0a500; --green:#27ae60;
  --blue:#2980b9; --text:#e8eaf0; --muted:#8b91a8; --danger:#e74c3c; --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}
.app-shell{display:flex;min-height:100vh;}
#toast-wrap{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;}
.toast{background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--accent);padding:12px 18px;border-radius:6px;font-size:13px;box-shadow:0 4px 20px rgba(0,0,0,.4);}
.toast.success{border-left-color:var(--green);} .toast.error{border-left-color:var(--danger);}

.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;}
.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;}
.sidebar-logo .icon{width:34px;height:34px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px;}
.sidebar-logo .name{font-size:14px;font-weight:700;} .sidebar-logo .sub{font-size:10px;color:var(--muted);}
.sidebar-user{padding:14px 20px;border-bottom:1px solid var(--border);}
.sidebar-user .uname{font-size:13px;font-weight:600;}
.nav-section{padding:12px 0 4px 20px;font-size:10px;font-weight:600;color:var(--muted);letter-spacing:1px;text-transform:uppercase;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;font-size:13px;font-weight:500;color:var(--muted);text-decoration:none;border-left:3px solid transparent;}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.03);}
.nav-item.active{color:var(--text);border-left-color:var(--accent);background:rgba(192,57,43,.08);}
.sidebar-bottom{margin-top:auto;padding:16px;border-top:1px solid var(--border);}

.main{flex:1;display:flex;flex-direction:column;}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;}
.topbar h1{font-size:16px;font-weight:600;} .breadcrumb{font-size:12px;color:var(--muted);margin-top:2px;}
.content{flex:1;padding:28px;}

.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:6px;border:none;font-size:13px;font-weight:500;cursor:pointer;}
.btn-primary{background:var(--accent);color:#fff;} .btn-primary:hover{background:var(--accent2);}
.btn-full{width:100%;justify-content:center;padding:12px;}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border);}
.btn-danger{background:#2d1210;color:var(--danger);border:1px solid #4a1a18;}
.btn-blue{background:#0d1e2d;color:var(--blue);border:1px solid #1a3a55;}

.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:6px;text-transform:uppercase;}
.form-group input,.form-group select{width:100%;padding:11px 14px;background:var(--panel);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;outline:none;}
.search-input{background:var(--panel);border:1px solid var(--border);border-radius:5px;color:var(--text);padding:7px 12px;font-size:13px;outline:none;}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:28px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:20px;}
.stat-card .label{font-size:11px;color:var(--muted);text-transform:uppercase;margin-bottom:8px;}
.stat-card .value{font-size:28px;font-weight:700;font-family:'JetBrains Mono',monospace;}
.stat-accent{color:var(--accent);} .stat-green{color:var(--green);} .stat-blue{color:var(--blue);} .stat-gold{color:var(--gold);}

.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;}
.table-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
table{width:100%;border-collapse:collapse;}
th{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;padding:11px 16px;text-align:left;border-bottom:1px solid var(--border);}
td{font-size:13px;padding:12px 16px;border-bottom:1px solid rgba(42,47,66,.6);}
.badge{display:inline-block;padding:3px 9px;border-radius:4px;font-size:11px;font-weight:600;}
.badge-admin,.tag-admin{background:#2d1a0d;color:var(--gold);}
.badge-supervisor,.tag-supervisor{background:#0d1e2d;color:var(--blue);}
.badge-worker,.tag-worker{background:#0d2d1c;color:var(--green);}
.mono{font-family:'JetBrains Mono',monospace;font-size:12px;}
.icon-btn{background:var(--panel);border:1px solid var(--border);border-radius:4px;padding:5px 9px;font-size:12px;cursor:pointer;color:var(--muted);}
.icon-btn.del:hover{border-color:var(--danger);color:var(--danger);}
.icon-btn.edit:hover{border-color:var(--gold);color:var(--gold);}
.empty-state{text-align:center;padding:48px 20px;color:var(--muted);}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:10px;width:100%;max-width:620px;max-height:90vh;overflow-y:auto;}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}
.modal-body{padding:24px;} .modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}
.modal-close{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-grid .full{grid-column:1/-1;}

.pass-preview{border:1px solid var(--border);border-radius:6px;overflow:hidden;}
.pass-preview-head{background:var(--accent);color:#fff;padding:12px 16px;display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;}
.pass-preview-head .pph-center{font-size:20px;font-weight:700;text-align:center;}
.pass-preview-head .pph-left,.pass-preview-head .pph-right{font-size:10px;line-height:1.7;}
.pass-preview-head .pph-right{text-align:right;}
.pass-preview-body{padding:16px;background:var(--panel);display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.pf label{font-size:10px;color:var(--muted);text-transform:uppercase;display:block;}
.pf span{font-size:13px;font-weight:500;}
.pass-preview-sigs{border-top:1px dashed var(--border);padding:12px 16px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;}
.sig-col{text-align:center;} .sig-col .sig-line{height:28px;border-bottom:1px solid var(--muted);margin-bottom:4px;}
.sig-col label{font-size:9px;color:var(--muted);}

.confirm-box{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:28px;max-width:360px;width:100%;text-align:center;}
.confirm-box .btns{display:flex;gap:10px;justify-content:center;margin-top:24px;}

/* Login page */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 60% 40%, #1a0a08 0%, #0f1117 65%);}
.login-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px 44px;width:100%;max-width:420px;}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px;}
.login-logo .icon{width:42px;height:42px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;}
.login-box h2{font-size:22px;font-weight:600;margin-bottom:6px;} .login-box p{font-size:13px;color:var(--muted);margin-bottom:28px;}
.demo-creds{margin-top:24px;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px;}
.demo-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;border-bottom:1px solid var(--border);}
.demo-row:last-child{border-bottom:none;}
.role-tag{font-size:10px;padding:2px 8px;border-radius:3px;font-weight:600;}

@media print{
  .sidebar,.topbar,.modal-overlay button{display:none!important;}
  body{background:#fff;color:#000;}
}