:root{
  --bg:#f3f7fb;
  --sidebar:#0b1630;
  --sidebar-2:#101f43;
  --card:#ffffff;
  --line:#e5edf5;
  --text:#0f172a;
  --muted:#64748b;
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --success:#16a34a;
  --danger:#dc2626;
  --warning:#d97706;
  --shadow:0 18px 40px rgba(15,23,42,.08);
  --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#eff4fa 0%,#f7fafc 100%);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,var(--sidebar) 0%,var(--sidebar-2) 100%);color:#fff;padding:24px 18px;position:sticky;top:0;height:100vh;overflow-y:auto;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:14px;padding:8px 10px 24px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:18px}
.brand-mark{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,#3b82f6,#60a5fa);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.35)}
.brand h1{margin:0;font-size:26px;line-height:1}
.brand p{margin:4px 0 0;font-size:13px;color:rgba(255,255,255,.7)}
.nav-group-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.48);padding:14px 12px 8px}
.nav-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;color:#dbe7ff;margin-bottom:6px;transition:.18s ease}
.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.nav-icon{width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:16px}
.main{flex:1;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px}
.topbar-left h2{margin:0;font-size:30px}
.topbar-left p{margin:6px 0 0;color:var(--muted)}
.topbar-right{display:flex;align-items:center;gap:12px}
.search-box{min-width:260px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;color:var(--muted);box-shadow:0 6px 20px rgba(15,23,42,.04)}
.user-chip{background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px 12px;display:flex;align-items:center;gap:10px;box-shadow:0 6px 20px rgba(15,23,42,.04)}
.avatar{width:38px;height:38px;border-radius:14px;background:#dbeafe;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-weight:700}
.content{padding:0 28px 28px}
.page-section{margin-bottom:28px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#3b82f6,#60a5fa,#93c5fd)}
.card small{display:block;color:var(--muted);font-size:14px;margin-bottom:12px}
.card .big-number{font-size:44px;font-weight:800;line-height:1.05}
.card .subtitle{margin-top:10px;color:var(--muted);font-size:13px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2,.section-head h3{margin:0}
.actions,.quick-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:14px;padding:12px 18px;font-weight:600;transition:.18s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.25)}
.btn-light{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}
.btn-sm{padding:9px 12px;border-radius:12px;font-size:13px}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.table-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);background:#fcfeff}
.table-search{width:280px;max-width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#f8fbff}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:16px 18px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:middle}
.table th{font-size:13px;color:var(--muted);font-weight:700;background:#fbfdff}
.table tr:hover td{background:#fcfeff}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-green{background:#dcfce7;color:#166534}
.badge-yellow{background:#fef3c7;color:#92400e}
.badge-red{background:#fee2e2;color:#991b1b}
.grid-2{display:grid;grid-template-columns:1.3fr .9fr;gap:18px}
.grid-2-eq{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.form-grid.two{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.form-grid .full{grid-column:1/-1}
label{display:block;margin-bottom:8px;font-size:14px;font-weight:700}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fbfdff;outline:none}
input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(147,197,253,.18)}
textarea{min-height:120px;resize:vertical}
.alert{padding:14px 16px;border-radius:14px;margin-bottom:16px;font-weight:600}
.alert.success{background:#dcfce7;color:#166534}
.alert.error{background:#fee2e2;color:#991b1b}
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,rgba(59,130,246,.15),transparent 30%),radial-gradient(circle at bottom right,rgba(37,99,235,.12),transparent 28%),linear-gradient(180deg,#eff4fb,#f8fbff)}
.login-wrap{width:100%;max-width:520px;padding:20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:32px}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.login-brand h2{margin:0;font-size:30px}
.login-brand p{margin:6px 0 0;color:var(--muted)}
.login-hint{margin-top:18px;padding:16px;border:1px dashed #cbd5e1;border-radius:14px;background:#f8fbff;color:var(--muted)}
.empty-state{text-align:center;padding:38px;color:var(--muted)}
.data-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.data-tile{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 28px rgba(15,23,42,.05)}
.data-tile .label{font-size:13px;color:var(--muted);margin-bottom:10px}
.data-tile .value{font-size:28px;font-weight:800}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters .field{min-width:180px;flex:1}
.page-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.page-card h2,.page-card h3{margin-top:0}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form > *{flex:1}
@media (max-width:1024px){
  .sidebar{display:none}
  .topbar{padding:18px}
  .content{padding:0 18px 18px}
  .grid-2,.grid-2-eq{grid-template-columns:1fr}
}