:root{
  --brand-purple:#5b2e9d;
  --brand-blue:#0aa6e4;
  --brand-grad:linear-gradient(135deg,#5b2e9d 0%,#2f6fd6 55%,#0aa6e4 100%);
  --ink:#1f2733;
  --muted:#6b7688;
  --line:#e6e9f0;
  --bg:#f4f6fb;
  --card:#ffffff;
  --primary:#2f6fd6;
  --primary-d:#245cb8;
  --radius:12px;
  --shadow:0 1px 3px rgba(20,30,60,.08),0 6px 20px rgba(20,30,60,.05);
  --table-head:#5b8fce;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:#12161f;color:#cdd4e0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{padding:18px 16px;background:#fff;text-align:center;border-bottom:1px solid var(--line)}
.brand img{max-width:170px;height:auto}
.nav{padding:10px 8px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;color:#c3cad8;font-weight:500;position:relative}
.nav-item:hover{background:#1c2230;text-decoration:none;color:#fff}
.nav-item.active{background:var(--brand-grad);color:#fff}
.nav-item .dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.55}
.nav-item.logout{margin-top:8px;color:#ff9b9b}
.nav-count{margin-left:auto;background:#ef4444;color:#fff;border-radius:20px;font-size:11px;padding:1px 7px}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 20px;position:sticky;top:0;z-index:20}
.page-title{font-size:18px;margin:0;font-weight:600}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.bell{position:relative;font-size:20px}
.bell-count{position:absolute;top:-6px;right:-10px;background:#ef4444;color:#fff;font-size:10px;border-radius:20px;padding:1px 6px}
.user-chip{background:var(--bg);padding:7px 14px;border-radius:20px;font-weight:600;font-size:13px}
.hamburger{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.content{padding:22px;flex:1}
.app-footer{padding:14px 22px;color:var(--muted);border-top:1px solid var(--line);background:#fff;font-size:12.5px}

/* ---------- cards / stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.stat{background:var(--card);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);border:1px solid var(--line)}
.stat .label{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}
.stat .value{font-size:26px;font-weight:700;margin-top:6px}
.stat.accent{background:var(--brand-grad);color:#fff;border:none}
.stat.accent .label{color:rgba(255,255,255,.85)}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);margin-bottom:22px}
.card-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.card-head h2{font-size:15px;margin:0;font-weight:600}
.card-body{padding:18px}
.card-head .spacer{flex:1}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th,table.data td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
table.data thead th{background:#f7f9fc;color:#55607a;font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.02em}
table.data tbody tr:hover{background:#f9fbff}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:34px;text-align:center;color:var(--muted)}

/* ---------- badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:600;line-height:1.6}
.badge-green{background:#e5f6ec;color:#1a7f41}
.badge-red{background:#fdecec;color:#c62828}
.badge-orange{background:#fff2e2;color:#c76a12}
.badge-blue{background:#e7f0fd;color:#1d5fc0}
.badge-gray{background:#eef1f6;color:#5b6474}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;border:1px solid transparent;font-weight:600;font-size:13.5px;cursor:pointer;background:#eef1f6;color:var(--ink)}
.btn:hover{text-decoration:none;filter:brightness(.98)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#fff;border:1px solid var(--line)}
.btn-danger{background:#fdecec;color:#c62828}
.btn-success{background:#e5f6ec;color:#1a7f41}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%;justify-content:center}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
@media(max-width:700px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:13px;color:#41495c}
.field input,.field select,.field textarea{padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,214,.12)}
.field .hint{color:var(--muted);font-size:12px}
.form-actions{display:flex;gap:10px;margin-top:18px}

/* ---------- filters / toolbar ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:18px}
.toolbar .field{min-width:150px}
.search-box{flex:1;min-width:220px}

/* ---------- alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:500}
.alert-success{background:#e5f6ec;color:#1a7f41}
.alert-danger,.alert-error{background:#fdecec;color:#c62828}
.alert-info{background:#e7f0fd;color:#1d5fc0}
.alert-warning{background:#fff2e2;color:#c76a12}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--brand-grad);padding:20px}
.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);width:100%;max-width:400px;padding:34px}
.login-card img{max-width:200px;display:block;margin:0 auto 8px}
.login-card h1{text-align:center;font-size:17px;margin:6px 0 22px;color:var(--muted);font-weight:500}

/* ---------- misc ---------- */
.pill-links{display:flex;gap:8px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:500}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tab{padding:9px 16px;border-radius:9px 9px 0 0;font-weight:600;color:var(--muted);cursor:pointer}
.tab.active{color:var(--primary);border-bottom:2px solid var(--primary)}
.password-cell{display:flex;align-items:center;gap:8px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

@media(max-width:980px){
  .sidebar{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);transition:.2s}
  .sidebar.open{transform:translateX(0)}
  .hamburger{display:block}
}