:root{
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#172033;
  --muted:#687086;
  --primary:#4a6bff;
  --primary-dark:#3650cc;
  --border:#e6e8f0;
  --danger:#dc2626;
  --success:#16a34a;
  --warning:#f59e0b;
  --radius:16px;
  --shadow:0 10px 30px rgba(21,34,60,.08);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:14px}
a{text-decoration:none;color:inherit}
.app-shell{min-height:100vh;display:flex}
.sidebar{width:270px;background:#101827;color:#fff;position:fixed;left:0;top:0;bottom:0;padding:18px;z-index:20;transition:.25s ease;overflow-y:auto}
.brand{display:flex;gap:12px;align-items:center;padding:6px 4px 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:12px}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#fbbf24,#d97706);display:flex;align-items:center;justify-content:center;color:#111827;font-weight:800}
.brand span{display:block;color:#a7b0c4;font-size:12px;margin-top:3px}
.nav{display:grid;gap:6px}
.nav a{padding:12px 13px;border-radius:12px;color:#cbd5e1;font-weight:600;display:block}
.nav a:hover,.nav a.active{background:rgba(74,107,255,.22);color:#fff}
.main{margin-left:270px;width:calc(100% - 270px);min-height:100vh}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10}
.topbar small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.menu-btn{display:none;border:0;background:#eef2ff;color:#1e40af;border-radius:10px;padding:9px 12px;font-size:18px}.user-chip{background:#f2f4fa;border:1px solid var(--border);padding:8px 12px;border-radius:999px;color:#475569;font-weight:600}.content{padding:22px;max-width:1440px;margin:auto}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}.card h1,.card h2,.card h3{margin:0 0 14px}.kpi{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.kpi .label{color:var(--muted);font-weight:700;font-size:12px;text-transform:uppercase}.kpi .value{font-size:24px;font-weight:800;margin-top:8px}.kpi .icon{width:44px;height:44px;border-radius:14px;background:#eef2ff;color:#1e40af;display:flex;align-items:center;justify-content:center;font-weight:800}.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.field label{display:block;font-weight:700;margin-bottom:7px;color:#374151}.field input,.field select,.field textarea{width:100%;border:1px solid #d9deeb;border-radius:12px;padding:11px 12px;background:#fff;font-size:14px}.field textarea{min-height:84px;resize:vertical}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn{border:0;border-radius:12px;background:var(--primary);color:#fff;padding:11px 15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#e5e7eb;color:#111827}.btn.success{background:var(--success)}.btn.warning{background:var(--warning);color:#111827}.btn.danger{background:var(--danger)}.btn.dark{background:#111827}.btn.small{padding:7px 10px;border-radius:9px;font-size:12px}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:14px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:hover td{background:#fafbff}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-weight:800;font-size:11px}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-purple{background:#ede9fe;color:#6d28d9}.badge-red{background:#fee2e2;color:#b91c1c}.badge-green{background:#dcfce7;color:#15803d}.badge-orange{background:#ffedd5;color:#c2410c}.badge-dark{background:#111827;color:#fff}.badge-gray{background:#e5e7eb;color:#374151}.alert{border-radius:12px;padding:12px 14px;margin-bottom:14px;font-weight:700}.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}.alert-warning{background:#fef3c7;color:#92400e}.alert-info{background:#dbeafe;color:#1e40af}.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#101827,#263149);padding:18px}.login-card{width:100%;max-width:410px;background:#fff;border-radius:24px;padding:28px;box-shadow:0 25px 70px rgba(0,0,0,.25)}.login-logo{width:70px;height:70px;border-radius:22px;background:#fbbf24;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:24px;color:#111827}.login-card h1{text-align:center;margin:0 0 4px}.login-card p{text-align:center;color:var(--muted);margin:0 0 20px}.print-only{display:none}.muted{color:var(--muted)}.right{text-align:right}.nowrap{white-space:nowrap}.split{display:flex;justify-content:space-between;gap:12px;align-items:center}.total-box{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:14px;padding:14px}.big-total{font-size:28px;font-weight:900}.mobile-tabs{display:none}
@media(max-width:960px){.sidebar{transform:translateX(-105%)}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%}.menu-btn{display:block}.content{padding:14px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr 1fr}.topbar{padding:0 12px}.user-chip{display:none}.card{padding:14px;border-radius:14px}.kpi .value{font-size:20px}.mobile-full{grid-column:1/-1}.btn{width:auto;min-height:44px}.actions .btn{flex:1}.table-wrap{border-radius:12px}th,td{padding:10px 8px}.hide-mobile{display:none}}
@media(max-width:540px){.form-grid{grid-template-columns:1fr}.actions{display:grid;grid-template-columns:1fr 1fr}.actions .btn{width:100%}.topbar strong{font-size:14px}.content{padding:10px}.card{margin-bottom:12px}.kpi{align-items:center}.kpi .icon{width:38px;height:38px}.big-total{font-size:22px}}
@media print{body{background:#fff}.sidebar,.topbar,.no-print{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{box-shadow:none;border:0;margin:0;padding:0}.print-only{display:block}}