:root{
 --bg:#f4f7fb;--card:#fff;--ink:#10233f;--muted:#6d7c91;--line:#dfe7f1;--blue:#0877e6;--blue-2:#eaf3fc;
 --shadow:0 12px 32px rgba(16,35,63,.08);--radius:12px
}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:#0b6bcf;text-decoration:none}.app-shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:44px;height:44px;border-radius:10px;background:linear-gradient(145deg,#0d92e8,#034b91);color:#fff;font-weight:800;display:grid;place-items:center;font-size:22px}.brand strong{font-size:22px;display:block}.brand small{display:block;color:var(--muted);font-size:10px}
.sidebar nav{display:grid;gap:6px;margin-top:28px}.sidebar nav a{padding:11px 12px;border-radius:8px;color:var(--ink)}.sidebar nav a:hover{background:var(--blue-2);color:var(--blue)}.sidebar-footer{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;display:flex;justify-content:space-between}
.content{padding:28px;max-width:1500px;width:100%;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.page-header h1{margin:0;font-size:24px}.page-header p{margin:5px 0 0;color:var(--muted)}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 14px;border-radius:8px;cursor:pointer;font-weight:650}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.small{padding:7px 10px;font-size:12px}.icon-btn{border:0;background:transparent;font-size:22px;color:#8896a9;cursor:pointer}
.card,.form-section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card{padding:18px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}.metric span{color:var(--muted);display:block}.metric strong{font-size:26px;margin-top:6px;display:block}
.section-title{font-weight:800;background:linear-gradient(90deg,#eef5fb,#f8fbfe);margin:-18px -18px 16px;padding:9px 14px;border-radius:12px 12px 0 0;border-bottom:1px solid var(--line)}.row-between{display:flex;justify-content:space-between;align-items:center}
.form-section{margin-bottom:16px;padding:18px}.form-grid{display:grid;gap:14px}.cols-4{grid-template-columns:repeat(4,1fr)}.cols-2{grid-template-columns:repeat(2,1fr)}.span-2{grid-column:span 2}.span-4{grid-column:span 4}
label{font-size:12px;font-weight:700;color:#30445f}input,select,textarea{width:100%;margin-top:6px;border:1px solid #d5e0ed;background:#fff;border-radius:7px;padding:10px 11px;font:inherit;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:#7ab5ee;box-shadow:0 0 0 3px rgba(8,119,230,.09)}textarea{min-height:80px;resize:vertical}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:12px;color:#40536c;background:#f8fafc}.actions{white-space:nowrap}.actions a{margin-right:10px}.badge{padding:4px 8px;background:#eef6ff;border-radius:20px;font-size:11px}
#items-table input{min-width:80px;padding:8px}.wide{min-width:260px}.totals-grid{margin-top:14px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px;align-items:end}.grand-total{background:#eaf4ff;border:1px solid #cfe5fb;border-radius:8px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;grid-column:span 2}.grand-total strong{font-size:18px}
.form-actions{display:flex;justify-content:space-between;gap:12px;margin-top:18px}.search-row{display:flex;gap:10px;margin-bottom:14px}.search-row input{margin-top:0}.grid-2{display:grid;grid-template-columns:360px 1fr;gap:16px}.stack{display:grid;gap:12px}
.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#f5f8fc,#eef4fa)}.login-card{width:min(430px,92vw);background:#fff;padding:28px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.login-card h1{margin-bottom:4px}.login-card p{color:var(--muted)}.login-brand{margin-bottom:24px}.alert{padding:10px 12px;border-radius:8px;margin:12px 0}.alert.error{background:#fff0f0;color:#9a1b1b}.alert.success{background:#ecfbf1;color:#12663a}
.print-page{background:#e9edf3}.print-toolbar{max-width:1000px;margin:20px auto;display:flex;gap:8px;justify-content:flex-end}.print-sheet{width:210mm;min-height:297mm;margin:0 auto 30px;background:#fff;padding:16mm 14mm;box-shadow:0 12px 30px rgba(0,0,0,.12);font-size:11px;color:#111}.doc-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.doc-number{text-align:right;display:grid;gap:3px}.doc-number strong{font-size:20px}.print-sheet section{margin:9px 0}.print-sheet h2{font-size:11px;background:linear-gradient(90deg,#dbeafa,#eef5fb);padding:5px 7px;margin:0 0 6px;color:#173657}.doc-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px 18px}.doc-grid.split{gap:18px}.doc-table{font-size:10px}.doc-table th,.doc-table td{padding:6px;border:1px solid #cfd7e2}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.doc-grand-total{margin-top:10px;background:#dceeff;padding:8px;font-size:15px;font-weight:800}.print-sheet footer{text-align:center;border-top:1px solid #2a3c55;margin-top:32px;padding-top:9px;font-size:9px}
@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.sidebar nav{grid-template-columns:1fr 1fr}.sidebar-footer{margin-top:14px}.content{padding:16px}.cards,.cols-4,.cols-2,.grid-2{grid-template-columns:1fr}.span-2,.span-4{grid-column:span 1}.totals-grid{grid-template-columns:1fr 1fr}.grand-total{grid-column:span 2}}
@media print{body.print-page{background:#fff}.print-toolbar{display:none}.print-sheet{box-shadow:none;margin:0;width:auto;min-height:auto;padding:8mm}.sidebar{display:none}@page{size:A4;margin:0}}