:root{--cam:#E85D04;--cam2:#FFF1E6;--xanh:#2F3E8F;--nen:#FFF9F5;--chu:#1e293b;--mo:#64748b;--vien:#fde2cf;--xanhla:#059669;--do:#e11d48;}
*{box-sizing:border-box}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--nen);color:var(--chu);font-size:14px}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--cam);border-color:transparent}
label{font-size:12px;font-weight:700;color:var(--mo);display:block;margin-bottom:4px}
.btn{border:0;border-radius:10px;padding:8px 14px;font-weight:700;font-size:13px;background:#f1f5f9;color:#334155}
.btn:hover{filter:brightness(.95)}
.btn.cam{background:var(--cam);color:#fff}.btn.xanh{background:var(--xanh);color:#fff}
.btn.la{background:var(--xanhla);color:#fff}.btn.do{background:#ffe4e6;color:var(--do)}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.layout{display:flex;min-height:100vh}
.side{width:240px;background:#fff;border-right:1px solid var(--vien);flex-shrink:0;display:flex;flex-direction:column}
.logo{display:flex;gap:10px;align-items:center;padding:16px;border-bottom:1px solid var(--vien)}
.logo b{width:42px;height:42px;border-radius:12px;background:var(--cam);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.logo div{font-weight:800;color:var(--xanh);font-size:13px;line-height:1.3}
.logo small{display:block;color:var(--cam);font-size:10px;letter-spacing:.5px}
.nav{padding:10px;display:flex;flex-direction:column;gap:4px}
.nav button{border:0;background:none;text-align:left;padding:10px 12px;border-radius:12px;font-weight:600;color:#475569;display:flex;justify-content:space-between}
.nav button.on{background:var(--cam);color:#fff}
.nav button:not(.on):hover{background:var(--cam2);color:var(--cam)}
.side-foot{margin-top:auto;padding:12px 16px;border-top:1px solid var(--vien);font-size:12px;color:var(--mo)}
.main{flex:1;min-width:0}
.top{background:#fff;border-bottom:1px solid var(--vien);padding:12px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;position:sticky;top:0;z-index:10;flex-wrap:wrap}
.top h1{font-size:17px;margin:0;font-weight:800}
.top input[type=month]{width:auto;font-weight:700;color:var(--cam);background:var(--cam2);border-color:var(--vien)}
.content{padding:20px;max-width:1300px;margin:0 auto}
.card{background:#fff;border:1px solid var(--vien);border-radius:16px;padding:16px}
.grid{display:grid;gap:12px}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.g2{grid-template-columns:1fr 1fr}
.stat small{font-size:11px;font-weight:700;color:#94a3b8;text-transform:uppercase}
.stat .v{font-size:22px;font-weight:800;margin-top:4px}
.stat p{margin:4px 0 0;font-size:12px;color:var(--mo)}
.bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.bar input,.bar select{width:auto;min-width:160px}
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--vien);border-radius:16px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:var(--cam2);text-align:left;padding:10px;font-size:11px;text-transform:uppercase;color:#475569;white-space:nowrap}
td{padding:9px 10px;border-top:1px solid #f1f5f9;vertical-align:middle}
tr:hover td{background:#fffaf6}
tfoot td{background:#f1f5f9;font-weight:800}
.r{text-align:right}.c{text-align:center}.nw{white-space:nowrap}
.chip{display:inline-block;padding:2px 8px;border-radius:8px;font-size:11px;font-weight:700;background:#f1f5f9;margin:1px}
.chip.do{background:#ffe4e6;color:var(--do)}.chip.la{background:#d1fae5;color:#047857}.chip.cam{background:var(--cam2);color:var(--cam)}
.no{color:var(--do);font-weight:800}.du{color:var(--xanhla);font-weight:700}
.banner{background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:12px 16px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.banner.err{background:#fff1f2;border-color:#fecdd3}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal{background:#fff;border-radius:20px;max-width:640px;width:100%;max-height:92vh;overflow:auto;padding:20px}
.modal h3{margin:0 0 14px;font-size:17px}
.modal .foot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;padding-top:12px;border-top:1px solid #f1f5f9}
.f{margin-bottom:10px}
.center-box{max-width:420px;margin:8vh auto;padding:0 16px}
#toast{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:8px}
#toast div{background:#0f172a;color:#fff;padding:10px 16px;border-radius:12px;font-weight:600;max-width:360px}
#toast div.err{background:var(--do)}
tr.da-huy td{color:#94a3b8;text-decoration:line-through}tr.da-huy td.ghi-huy{text-decoration:none}
.loading{position:fixed;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cam),var(--xanh));z-index:70;animation:ld 1s infinite}
@keyframes ld{0%{opacity:.3}50%{opacity:1}100%{opacity:.3}}
details summary{cursor:pointer;font-size:12px;color:var(--mo);font-weight:600}
.receipt{font-size:13px;color:#000}
.receipt h2{text-align:center;margin:0;color:var(--xanh);font-size:16px}
.receipt .sub{text-align:center;color:var(--cam);font-size:11px;font-weight:700}
.receipt .ttl{text-align:center;font-size:18px;font-weight:800;margin:12px 0 4px}
.receipt table td{border:0;padding:3px 0}
.receipt .qr{text-align:center;margin-top:10px}
.receipt .qr img{width:170px;height:170px}
.receipt .sign{display:flex;justify-content:space-around;margin-top:16px;text-align:center;font-weight:700}
.receipt .sign i{display:block;font-weight:400;font-size:11px;margin-bottom:50px}
#print-area{display:none}
.ca-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:6px}
.ca{border:1px solid var(--vien);background:#fff;border-radius:14px;padding:10px 14px;text-align:left;display:flex;flex-direction:column;gap:3px;min-width:150px}
.ca small{color:var(--mo);font-size:12px}.ca.on{border-color:var(--cam);box-shadow:0 0 0 2px var(--cam2)}
.tt{border:1px solid #e2e8f0;background:#fff;border-radius:8px;padding:5px 9px;font-size:12px;font-weight:700;color:#64748b;margin:1px}
.tt.on.la{background:#059669;color:#fff;border-color:#059669}.tt.on.cam{background:var(--cam);color:#fff;border-color:var(--cam)}
.tt.on.xam{background:#64748b;color:#fff;border-color:#64748b}.tt.on.do{background:var(--do);color:#fff;border-color:var(--do)}
.chip.xam{background:#e2e8f0;color:#334155}
.o-diem{width:62px;text-align:center;padding:6px 4px;font-weight:700}
.o-diem.ok{background:#d1fae5;border-color:#059669}.o-diem.loi{background:#ffe4e6;border-color:var(--do)}
table.bd th,table.bd td{padding:6px}
.tkb{display:grid;grid-template-columns:repeat(7,minmax(120px,1fr));gap:8px;overflow-x:auto}
.tkb-cot{background:#fff;border:1px solid var(--vien);border-radius:14px;padding:8px;min-height:120px}
.tkb-cot.hn{border-color:var(--cam);box-shadow:0 0 0 2px var(--cam2)}
.tkb-th{font-weight:800;font-size:12px;text-transform:uppercase;color:var(--xanh);margin-bottom:6px}
.tkb-ca{background:var(--cam2);border-radius:10px;padding:6px 8px;margin-bottom:6px;font-size:12px;cursor:pointer}
.tkb-ca b{color:var(--cam)}.tkb-ca small{color:var(--mo)}.tkb-trong{color:#cbd5e1;text-align:center;padding:20px 0}
.chk{display:inline-flex;gap:6px;align-items:center;border:1px solid #e2e8f0;border-radius:8px;padding:4px 8px;font-size:13px;margin:0;color:#334155;font-weight:600}
.chk input{width:auto}.chk.on{border-color:var(--cam);background:var(--cam2);color:var(--cam)}
.subtab{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;border-bottom:1px solid var(--vien);padding-bottom:10px}
.subtab button{border:0;background:#fff;border:1px solid var(--vien);border-radius:999px;padding:7px 14px;font-weight:700;color:#475569}
.subtab button.on{background:var(--xanh);border-color:var(--xanh);color:#fff}
.logo img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex-shrink:0;box-shadow:0 2px 6px rgba(0,0,0,.12)}
.logo-lon{text-align:center;margin-bottom:14px}.logo-lon img{width:110px;height:110px;border-radius:24px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.logo-lon b{display:block;color:var(--xanh);font-size:18px;margin-top:10px}.logo-lon small{color:var(--cam);font-weight:700;font-size:11px;letter-spacing:.5px}
.receipt .rc-logo{display:block;margin:0 auto 4px;width:52px;height:52px;border-radius:10px}
.bc-h{font-weight:800;color:var(--xanh);margin:10px 0 4px;font-size:13px;border-bottom:1px solid #e2e8f0}
.seg{display:flex;flex-wrap:wrap;gap:6px}.seg button{border:1px solid var(--vien);background:#fff;border-radius:10px;padding:7px 12px;font-weight:700;color:#475569}
.seg button.on{background:var(--xanh);border-color:var(--xanh);color:#fff}
.thu-tong{display:flex;justify-content:space-between;align-items:center;background:var(--cam2);border-radius:12px;padding:10px 14px;margin:12px 0}
.thu-tong b{font-size:20px;color:var(--xanh)}
#thu-khoan td{padding:7px 10px}
.receipt .rc-ct{width:100%;border-collapse:collapse;margin-top:8px}
.receipt .rc-ct th{background:none;border-bottom:1px solid #000;font-size:11px;padding:3px 0;color:#000}
.receipt .rc-ct td{padding:3px 0;border:0;font-size:12px;vertical-align:top}
.receipt .rc-ct small{color:#555}
.receipt .rc-ct tr.tru td:last-child{color:#047857}
.receipt .rc-ct tr.tong td{border-top:1px solid #000;padding-top:5px}
.dau-da-tt{margin:8px auto 0;width:max-content;border:2px solid #059669;color:#059669;font-weight:800;padding:3px 12px;border-radius:6px;transform:rotate(-4deg);letter-spacing:1px}
.chon-thang{display:flex;gap:4px;align-items:center}.chon-thang input{width:118px!important;text-align:center}
.bienlai{display:flex;border:1px solid #000;font-family:'Times New Roman',Times,serif;color:#000;background:#fff;box-sizing:border-box;width:100%;min-height:120mm;text-align:center;line-height:1.3}
.bl-lien{padding:2mm 3mm;box-sizing:border-box;display:flex;flex-direction:column;align-items:center}
.bl-hep{width:41%;border-right:1px solid #000;font-size:12.5px}
.bl-rong{width:59%;font-size:15px}
.bl-tt{font-weight:700;text-transform:uppercase}
.bl-lop{font-weight:700;margin-top:2px}
.bl-ten{font-weight:700;font-size:1.35em}
.bl-b{font-weight:700}
.bl-chu{font-style:italic;font-size:.85em}
.bl-nho{font-size:.8em}
.bl-tt-tt{font-weight:700;border:1.5px solid #000;padding:0 6px;margin:2px 0;font-size:.85em}
.bl-ngay{margin-top:3px}
.bl-xem{overflow-x:auto}
.receipt.bc table td{padding:2px 8px 2px 0;font-size:12px}
table.bd a{color:inherit;text-decoration:none}table.bd a:hover{color:var(--cam)}
@media (max-width:820px){.side{display:none}.mnav{display:flex!important}.g2{grid-template-columns:1fr}
  .tt-o{display:grid;grid-template-columns:1fr 1fr;gap:3px;min-width:150px}.tt{padding:6px 4px;margin:0}
  .gc-col{display:none}.content{padding:12px}.top{padding:10px 12px}
  .tt{min-height:44px;font-size:14px}.ca{min-height:56px}.btn{min-height:40px}
  #dd-form .foot{position:sticky;bottom:0;background:#fff;padding:10px 0;margin:0 -4px;border-top:1px solid var(--vien);z-index:5}
  #dd-luu{flex:1;min-height:48px;font-size:15px}}
.tt-o{white-space:nowrap}
.mnav{display:none;overflow-x:auto;gap:6px;padding:8px 12px;background:#fff;border-bottom:1px solid var(--vien)}
.mnav button{border:0;border-radius:10px;padding:7px 12px;font-weight:700;white-space:nowrap;background:#f1f5f9}
.mnav button.on{background:var(--cam);color:#fff}
@media print{
  @page{size:A5 landscape;margin:6mm}
  @page doc{size:A5 portrait;margin:7mm}
  .trang-doc{page:doc}
  html,body{background:#fff;margin:0}
  .bienlai{width:198mm;height:134mm}
  /* phiếu gọn để vừa 1 trang A5 */
  .receipt{font-size:11px}
  .receipt h2{font-size:14px}
  .receipt .sub{font-size:10px}
  .receipt .ttl{font-size:15px;margin:5px 0 2px}
  .receipt .rc-logo{width:12mm;height:12mm;margin-bottom:2px}
  .receipt .qr{margin-top:5px}
  .receipt .qr img{width:28mm!important;height:28mm!important}
  .receipt .sign{margin-top:8px}
  .receipt .sign i{margin-bottom:13mm}
  .receipt .rc-ct td,.receipt table td{padding:2px 0}
  .trang-in{break-inside:avoid;page-break-inside:avoid}
  body>*:not(#print-area){display:none!important}
  #print-area{display:block}
  .trang-in{page-break-after:always;break-after:page}
  .trang-in:last-child{page-break-after:auto;break-after:auto}
}