:root{
  --nav:#0f172a; --nav-2:#1e293b; --nav-active:#2563eb; --nav-text:#cbd5e1;
  --bg:#f1f5f9; --card:#ffffff; --border:#e2e8f0; --text:#0f172a; --muted:#64748b;
  --primary:#2563eb; --primary-d:#1d4ed8; --green:#16a34a; --amber:#d97706;
  --red:#dc2626; --gray:#64748b; --info:#0891b2;
  --radius:10px; --shadow:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--nav);color:var(--nav-text);flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.sidebar .brand{padding:20px 20px 16px;font-weight:700;color:#fff;font-size:16px;letter-spacing:.3px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--nav-2)}
.sidebar .brand .logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#3b82f6,#1e40af);display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.sidebar nav{padding:12px 10px;flex:1}
.sidebar nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px;color:var(--nav-text);font-weight:500;margin-bottom:2px}
.sidebar nav a:hover{background:var(--nav-2);color:#fff;text-decoration:none}
.sidebar nav a.active{background:var(--nav-active);color:#fff}
.sidebar nav a .i{width:18px;text-align:center;opacity:.9}
.sidebar .foot{padding:14px 18px;font-size:11px;color:#64748b;border-top:1px solid var(--nav-2)}
.main{margin-left:236px;flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;margin:0;font-weight:650}
.topbar .user{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}
.content{padding:26px 28px;flex:1}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .card-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card .card-head h2{font-size:15px;margin:0;font-weight:650}
.card .card-body{padding:18px}

/* Stat grid */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.stat .value{font-size:28px;font-weight:700;margin-top:6px;line-height:1.1}
.stat .value.dup{color:var(--amber)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}

/* Tables */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse}
table.data th,table.data td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
table.data th{background:#f8fafc;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
table.data tbody tr:hover{background:#f8fafc}
table.data td.wrap,table.data th.wrap{white-space:normal}
table.data a.sort{color:var(--muted)}
table.data a.sort.on{color:var(--text)}

/* Badges */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;line-height:1.4}
.badge.gray{background:#f1f5f9;color:#475569}
.badge.blue{background:#dbeafe;color:#1d4ed8}
.badge.green{background:#dcfce7;color:#15803d}
.badge.amber{background:#fef3c7;color:#b45309}
.badge.red{background:#fee2e2;color:#b91c1c}
.badge.info{background:#cffafe;color:#0e7490}
.badge.secondary{background:#f1f5f9;color:#475569}
.badge.warning{background:#fef3c7;color:#b45309}
.badge.success{background:#dcfce7;color:#15803d}
.badge.danger{background:#fee2e2;color:#b91c1c}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:8px;border:1px solid transparent;font-weight:600;font-size:13px;cursor:pointer;background:#fff;color:var(--text);text-decoration:none;line-height:1}
.btn:hover{text-decoration:none}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.ghost{background:#fff;border-color:var(--border);color:var(--text)}
.btn.ghost:hover{background:#f8fafc}
.btn.danger{background:#fff;border-color:#fecaca;color:var(--red)}
.btn.sm{padding:6px 11px;font-size:12px}

/* Forms */
.form-row{margin-bottom:15px}
.form-row label{display:block;font-weight:600;margin-bottom:6px;font-size:13px}
.form-row .hint{color:var(--muted);font-size:12px;margin-top:4px}
input[type=text],input[type=email],input[type=password],input[type=file],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;background:#fff;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{min-height:90px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:700px){.form-grid{grid-template-columns:1fr}}
.err{color:var(--red);font-size:12px;margin-top:4px}
.checkbox{display:flex;align-items:center;gap:8px}
.checkbox input{width:auto}

/* Filters bar */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:16px}
.filters .fg{display:flex;flex-direction:column;gap:4px}
.filters .fg label{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.filters .fg input,.filters .fg select{padding:7px 10px;font-size:13px}
.filters .fg.q input{min-width:230px}

/* Alerts */
.alert{padding:12px 15px;border-radius:8px;margin-bottom:16px;font-size:13px;border:1px solid transparent}
.alert.success{background:#dcfce7;border-color:#bbf7d0;color:#166534}
.alert.error{background:#fee2e2;border-color:#fecaca;color:#991b1b}
.alert.info{background:#e0f2fe;border-color:#bae6fd;color:#075985}

/* Misc */
.muted{color:var(--muted)}
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px;align-items:center;font-size:13px}
.pagination a,.pagination span{padding:6px 11px;border:1px solid var(--border);border-radius:7px;background:#fff;color:var(--text)}
.pagination .active span,.pagination a[aria-current]{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .disabled span{color:#cbd5e1}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.crumbs{color:var(--muted);font-size:13px;margin-bottom:16px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:9px 14px}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{margin:0}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.progress{height:12px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.progress > span{display:block;height:100%;background:var(--primary);transition:width .4s}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.bar-row .name{width:70px;font-weight:600}
.bar-row .track{flex:1;height:8px;background:#eef2f7;border-radius:999px;overflow:hidden}
.bar-row .track > span{display:block;height:100%;background:var(--primary)}
.bar-row .num{width:56px;text-align:right;color:var(--muted)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tabs .tab{padding:9px 14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent}
.tabs .tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tabs .tab.disabled{color:#cbd5e1;cursor:not-allowed}
.right{text-align:right}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}