:root {
  --green-900:#14532d;
  --green-800:#166534;
  --green-700:#15803d;
  --green-600:#16a34a;
  --green-100:#dcfce7;
  --green-50:#f0fdf4;
  --ink:#17231c;
  --muted:#66756c;
  --line:#dfe7e1;
  --surface:#ffffff;
  --bg:#f4f7f5;
  --danger:#b91c1c;
  --warning:#b45309;
  --shadow:0 12px 35px rgba(20,83,45,.08);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);font-size:14px}
button,input,select{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.center{text-align:center}
.muted{color:var(--muted);line-height:1.55}

.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,#dcfce7 0,transparent 38%),linear-gradient(145deg,#f8fbf9,#edf7f0)}
.auth-card{width:min(430px,100%);padding:32px;background:rgba(255,255,255,.96);border:1px solid rgba(22,101,52,.12);border-radius:24px;box-shadow:var(--shadow)}
.auth-card h1{margin:16px 0 6px;font-size:26px}
.brand-mark{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--green-800),var(--green-600));color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;box-shadow:0 10px 25px rgba(22,101,52,.2)}
.brand-mark.small{width:40px;height:40px;border-radius:12px;font-size:15px;box-shadow:none;flex:0 0 auto}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#eef4ef;border-radius:12px;padding:4px;margin:24px 0 18px}
.auth-tab{border:0;background:transparent;padding:10px;border-radius:9px;color:var(--muted);font-weight:700}
.auth-tab.active{background:#fff;color:var(--green-800);box-shadow:0 2px 8px rgba(0,0,0,.07)}
.auth-form{display:grid;gap:14px}
.auth-form label,.form-grid label,.report-toolbar label{display:grid;gap:7px;font-weight:700;color:#33463a}
.auth-form input,.form-grid input,.form-grid select,.compact-form input,.compact-form select,.report-toolbar input,.search-input{width:100%;border:1px solid #cad7ce;border-radius:10px;background:#fff;padding:11px 12px;color:var(--ink);outline:none;transition:.18s}
.auth-form input:focus,.form-grid input:focus,.form-grid select:focus,.compact-form input:focus,.compact-form select:focus,.report-toolbar input:focus,.search-input:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(22,163,74,.12)}
.form-note{font-size:12px;color:var(--muted);margin:0;line-height:1.5}
.pending-icon{font-size:44px}

.btn{border:1px solid transparent;border-radius:10px;padding:10px 14px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green-700);color:#fff;box-shadow:0 5px 14px rgba(21,128,61,.18)}
.btn-primary:hover{background:var(--green-800)}
.btn-light{background:#fff;border-color:#d5e0d8;color:#36503f}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.12)}
.btn-danger{background:#fff1f1;color:var(--danger);border-color:#fecaca}
.btn-block{width:100%}
.link-button{border:0;background:transparent;color:var(--green-700);font-weight:800;padding:6px}
.icon-button{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:42px;height:42px}

.app-shell{min-height:100vh;display:grid;grid-template-columns:245px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--green-900),#0d3d22);color:#fff;padding:20px 14px;display:flex;flex-direction:column;z-index:30}
.sidebar-brand{display:flex;align-items:center;gap:11px;padding:0 8px 22px}
.sidebar-brand strong{display:block;font-size:16px}
.sidebar-brand span{display:block;font-size:12px;color:#bde4c9;margin-top:2px}
.nav-list{display:grid;gap:5px}
.nav-item{width:100%;display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#d9f1e0;padding:11px 12px;border-radius:11px;text-align:left;font-weight:700}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.13);color:#fff}
.nav-item span{flex:1}
.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:16px 6px 0}
.profile-summary{margin-bottom:12px;line-height:1.35}
.profile-summary strong{display:block}
.profile-summary span{font-size:12px;color:#bde4c9}
.sidebar-backdrop{display:none}

.main-area{min-width:0;padding:0 24px 40px}
.topbar{height:86px;display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);margin-bottom:22px}
.topbar h1{font-size:24px;margin:0}
.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}
.topbar-actions{margin-left:auto}
.view{display:none}
.view.active{display:block}

.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}
.kpi-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 6px 22px rgba(26,55,37,.04)}
.kpi-card span{display:block;color:var(--muted);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.035em}
.kpi-card strong{display:block;font-size:24px;margin:10px 0 6px;color:var(--green-900)}
.kpi-card small{color:var(--muted)}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr);gap:16px}
.span-2{grid-column:1/-1}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 6px 24px rgba(26,55,37,.04);margin-bottom:16px;overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}
.card-head h2{font-size:17px;margin:0}
.card-head p{margin:4px 0 0;color:var(--muted);font-size:12px}
.search-input{max-width:220px;padding:9px 11px}

.monthly-bars{position:relative;margin-bottom:32px;height:260px;display:flex;align-items:flex-end;gap:10px;padding:16px 4px 0;border-bottom:1px solid var(--line)}
.month-col{flex:1;min-width:0;display:flex;align-items:flex-end;justify-content:center;gap:3px;height:100%;position:relative;padding-bottom:30px}
.month-col span{position:absolute;bottom:5px;font-size:11px;color:var(--muted)}
.bar{width:22%;min-width:8px;border-radius:6px 6px 0 0;min-height:2px}
.bar.purchase{background:#fdba74}.bar.revenue{background:#4ade80}.bar.salary{background:#93c5fd}
.chart-legend{display:flex;gap:16px;justify-content:center;margin-top:12px;color:var(--muted);font-size:12px}
.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}
.simple-list,.activity-list{display:grid;gap:10px}
.list-row,.activity-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid #edf1ee}
.list-row:last-child,.activity-row:last-child{border-bottom:0}
.list-row-main,.activity-row-main{min-width:0;flex:1}
.list-row-main strong,.activity-row-main strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-row-main small,.activity-row-main small{color:var(--muted)}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;white-space:nowrap}
.badge.ok{background:var(--green-100);color:var(--green-800)}
.badge.warn{background:#ffedd5;color:var(--warning)}
.badge.danger{background:#fee2e2;color:var(--danger)}
.badge.info{background:#dbeafe;color:#1d4ed8}
.empty{padding:26px;text-align:center;color:var(--muted)}

.form-card{padding-bottom:20px}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.form-grid .wide{grid-column:span 2}
.form-actions{display:flex;align-items:end}
.compact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-bottom:16px;background:var(--green-50);border:1px solid var(--green-100);border-radius:12px;padding:12px}
.compact-form input,.compact-form select{padding:9px 10px}
.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.table-wrap{width:100%;overflow:auto;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
th,td{padding:11px 12px;border-bottom:1px solid #edf1ee;text-align:left;vertical-align:middle}
th{position:sticky;top:0;background:#f7faf8;color:#526359;font-size:11px;text-transform:uppercase;letter-spacing:.035em;z-index:1}
tbody tr:hover{background:#fbfdfb}
tbody tr:last-child td{border-bottom:0}
.numeric{text-align:right;font-variant-numeric:tabular-nums}
.action-col{width:105px;text-align:right}
.row-actions{display:flex;justify-content:flex-end;gap:5px}
.row-actions button{border:0;border-radius:8px;padding:6px 8px;background:#eef5f0;color:#36503f}
.row-actions .delete{background:#fff0f0;color:var(--danger)}
.compact-table table{min-width:570px}
.role-note{background:#f7faf8;border:1px solid var(--line);padding:12px;border-radius:10px;margin-bottom:14px;color:var(--muted)}
.user-control{border:1px solid #cad7ce;border-radius:8px;padding:7px;background:#fff}

.report-toolbar{display:flex;align-items:end;gap:12px;flex-wrap:wrap}
.report-toolbar label{min-width:170px}
.report-kpis{margin-top:0}
.report-card{break-inside:avoid}

.toast{position:fixed;right:20px;bottom:20px;z-index:100;max-width:380px;background:#17231c;color:#fff;border-radius:12px;padding:12px 15px;box-shadow:0 14px 35px rgba(0,0,0,.22);opacity:0;transform:translateY(15px);pointer-events:none;transition:.22s}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{background:#7f1d1d}
.toast.success{background:#14532d}

@media (max-width:1100px){
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;transform:translateX(-105%);width:260px;transition:.2s;box-shadow:15px 0 40px rgba(0,0,0,.2)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:20}
  .sidebar-backdrop.show{display:block}
  .icon-button{display:grid;place-items:center}
  .main-area{padding:0 14px 28px}
  .topbar{height:74px;margin-bottom:16px}
  .topbar h1{font-size:20px}
  .topbar p{display:none}
  .dashboard-grid{grid-template-columns:1fr}
  .span-2{grid-column:auto}
}
@media (max-width:580px){
  body{font-size:13px}
  .auth-card{padding:24px;border-radius:18px}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:9px}
  .kpi-card{padding:13px;border-radius:13px}
  .kpi-card strong{font-size:18px}
  .card{padding:13px;border-radius:13px}
  .card-head{align-items:flex-start;flex-direction:column}
  .search-input{max-width:none}
  .form-grid,.compact-form{grid-template-columns:1fr}
  .form-grid .wide{grid-column:auto}
  .form-actions .btn{width:100%}
  .topbar-actions .btn{padding:8px 10px}
  .monthly-bars{height:210px;gap:5px}
  .report-toolbar{align-items:stretch}
  .report-toolbar label,.report-toolbar .btn{width:100%;min-width:0}
}
@media print{
  .sidebar,.topbar,.report-toolbar,.action-col,.row-actions,.toast{display:none!important}
  .app-shell{display:block}
  .main-area{padding:0}
  .view{display:none!important}
  #view-reports{display:block!important}
  .card{box-shadow:none;border:1px solid #ccc;page-break-inside:avoid}
  .kpi-grid{grid-template-columns:repeat(4,1fr)}
}


/* Nhập dữ liệu tự động */
.import-upload-form{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(280px,1.6fr) auto;gap:14px;align-items:end;margin-bottom:14px}
.file-picker input{margin-top:6px}
.file-picker span{display:block;margin-top:7px;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.import-note{margin:0}
.btn-small{padding:7px 10px;font-size:12px}
@media (max-width:820px){.import-upload-form{grid-template-columns:1fr}.import-upload-form .btn{width:100%}}


/* Bước 3: quét Excel/CSV và kiểm tra trước khi duyệt */
.import-review-head{margin-bottom:10px}
.import-summary{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.import-review-actions{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0}
.import-preview-wrap{max-height:560px}
#importPreviewTable{min-width:1200px}
.preview-input{width:145px;min-width:110px;border:1px solid #cad7ce;border-radius:8px;padding:8px 9px;background:#fff;color:var(--ink)}
.preview-input[type="text"]{width:170px}
.preview-input:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(22,163,74,.11);outline:none}
.preview-input:disabled{background:#f3f4f6;color:#66746b}
.validation-cell{min-width:250px;max-width:360px;font-size:12px;line-height:1.45}
.validation-cell div+div{margin-top:4px}
.import-row-invalid{background:#fff7f7}
.import-row-warning{background:#fffdf3}
.import-row-approved{background:#f4fff7}
.muted{color:var(--muted)}
@media (max-width:580px){.import-review-actions .btn{width:100%}.import-preview-wrap{max-height:480px}}