:root {
  --nen: #f4f6f5; --mat: #ffffff; --mat2: #f8faf9; --vien: #e2e8e5; --chu: #18221f; --mo: #64736d;
  --chinh: #1f6f5c; --chinh-nhat: #e3f1ec; --thu: #2f7d5b; --chi: #c0573d; --lai: #2c5f9e;
  --xau: #c0392b; --xau-nhat: #fbe9e6; --canh: #b7791f; --canh-nhat: #fdf3e1; --tot: #2f7d5b; --tot-nhat: #e5f3ec;
  --bong: 0 1px 2px rgba(16,24,20,.06), 0 1px 8px rgba(16,24,20,.04);
  --bo: 10px;
  /* màu nhóm chi phí: thứ tự cố định, đã kiểm tra mù màu (dataviz validate_palette) cho nền sáng/tối */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300;
}
@media (prefers-color-scheme: dark) {
  :root {
    --nen: #0f1513; --mat: #17201d; --mat2: #1c2723; --vien: #2a3632; --chu: #e6ece9; --mo: #93a39c;
    --chinh: #4fb796; --chinh-nhat: #1c3a31; --thu: #5cc493; --chi: #e58a6f; --lai: #77a7e6;
    --xau: #ef7b6b; --xau-nhat: #3a1f1b; --canh: #e3b05c; --canh-nhat: #3a2e18; --tot: #5cc493; --tot-nhat: #1a3529;
    --bong: none;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--nen); color: var(--chu); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-text-size-adjust: 100%; }
a { color: var(--chinh); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* đăng nhập */
.dang-nhap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.the-dn { width: 100%; max-width: 340px; background: var(--mat); border: 1px solid var(--vien); border-radius: 14px; padding: 28px 24px; box-shadow: var(--bong); text-align: center; }
.the-dn h1 { font-size: 18px; margin: 12px 0 2px; }
.the-dn input { width: 100%; margin: 16px 0 10px; padding: 11px 12px; border: 1px solid var(--vien); border-radius: 8px; background: var(--mat2); }
.the-dn button { width: 100%; padding: 11px; border: 0; border-radius: 8px; background: var(--chinh); color: #fff; font-weight: 600; cursor: pointer; }
.logo { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--chinh); color: #fff; font-weight: 800; letter-spacing: .5px; }
.logo.nho { width: 34px; height: 34px; border-radius: 9px; font-size: 13px; }
.mo { color: var(--mo); }
.loi { color: var(--xau); min-height: 1.4em; margin: 6px 0 0; }

/* khung */
.ung-dung { display: flex; min-height: 100vh; }
.menu { width: 232px; flex: none; background: var(--mat); border-right: 1px solid var(--vien); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.thuong-hieu { display: flex; gap: 10px; align-items: center; padding: 16px 16px 12px; }
.thuong-hieu small { display: block; color: var(--mo); font-size: 12px; }
#nav { flex: 1; padding: 4px 8px; }
.nhom { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--mo); margin: 14px 10px 4px; }
#nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--chu); }
#nav a:hover { background: var(--mat2); text-decoration: none; }
#nav a.dang { background: var(--chinh-nhat); color: var(--chinh); font-weight: 600; }
#nav a .bt { width: 20px; text-align: center; }
#nav a .dem { margin-left: auto; background: var(--xau); color: #fff; border-radius: 10px; font-size: 11px; padding: 0 7px; font-weight: 600; }
.dang-xuat { margin: 8px 16px 16px; padding: 8px; border: 1px solid var(--vien); background: none; border-radius: 8px; cursor: pointer; color: var(--mo); }
.chinh { flex: 1; min-width: 0; }
.thanh-tren { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 10px; padding: 12px 24px; background: color-mix(in srgb, var(--nen) 88%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--vien); }
.thanh-tren h2 { margin: 0; font-size: 18px; flex: 1; }
.mo-menu { display: none; border: 0; background: none; font-size: 20px; cursor: pointer; padding: 4px 8px; }
.tai-lai { border: 1px solid var(--vien); background: var(--mat); border-radius: 8px; padding: 4px 10px; cursor: pointer; font-size: 16px; }
.noi-dung { padding: 20px 24px 40px; max-width: 1280px; }
.man-che { display: none; }

@media (max-width: 860px) {
  .menu { position: fixed; left: 0; top: 0; z-index: 20; transform: translateX(-100%); transition: transform .2s; box-shadow: 0 0 24px rgba(0,0,0,.2); }
  .ung-dung.mo-nav .menu { transform: none; }
  .ung-dung.mo-nav .man-che { display: block; position: fixed; inset: 0; z-index: 15; background: rgba(0,0,0,.35); }
  .mo-menu { display: block; }
  .thanh-tren { padding: 10px 16px; }
  .noi-dung { padding: 16px 16px 40px; }
  .luoi.kpi { grid-template-columns: 1fr 1fr; gap: 10px; }
  .o-so { padding: 12px; }
  .o-so .gt { font-size: 18px; }
}

/* khối */
.the { background: var(--mat); border: 1px solid var(--vien); border-radius: var(--bo); box-shadow: var(--bong); padding: 16px; margin-bottom: 16px; }
.the > h3 { margin: 0 0 12px; font-size: 15px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.the > h3 small { font-weight: 400; color: var(--mo); }
.luoi { display: grid; gap: 12px; }
.luoi.kpi { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 16px; }
.luoi.phong { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.luoi.hai { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.o-so { background: var(--mat); border: 1px solid var(--vien); border-radius: var(--bo); padding: 14px 16px; box-shadow: var(--bong); }
.o-so .nhan { color: var(--mo); font-size: 12.5px; }
.o-so .gt { font-size: 22px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; letter-spacing: -.3px; }
.o-so .phu { color: var(--mo); font-size: 12px; margin-top: 2px; }
.o-so.xau .gt { color: var(--xau); } .o-so.tot .gt { color: var(--tot); }

.viec { list-style: none; margin: 0; padding: 0; }
.viec li { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; border-top: 1px solid var(--vien); }
.viec li:first-child { border-top: 0; padding-top: 0; }
.cham { width: 9px; height: 9px; border-radius: 50%; margin-top: 6px; flex: none; }
i.cham { display: inline-block; vertical-align: 0; margin: 0 2px 0 0; }
.the > h3 select { padding: 6px 10px; border: 1px solid var(--vien); border-radius: 8px; background: var(--mat); color: var(--chu); font-size: 13px; font-weight: 400; }
.cham.bad { background: var(--xau); } .cham.warn { background: var(--canh); } .cham.ok { background: var(--tot); }

.phong-the { background: var(--mat); border: 1px solid var(--vien); border-radius: var(--bo); padding: 14px; box-shadow: var(--bong); }
.phong-the .dau { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.phong-the .ma { font-size: 20px; font-weight: 800; }
.phong-the .dong { display: flex; justify-content: space-between; gap: 8px; padding: 3px 0; color: var(--mo); font-size: 13px; }
.phong-the .dong b { color: var(--chu); font-weight: 600; text-align: right; }
.phong-the.chu-nha { background: var(--mat2); box-shadow: none; }

.nhan-tt { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.nhan-tt.bad { background: var(--xau-nhat); color: var(--xau); }
.nhan-tt.warn { background: var(--canh-nhat); color: var(--canh); }
.nhan-tt.ok { background: var(--tot-nhat); color: var(--tot); }
.nhan-tt.mo { background: var(--mat2); color: var(--mo); }

/* bảng */
.cuon { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--vien); white-space: nowrap; vertical-align: top; }
th { font-size: 12px; color: var(--mo); font-weight: 600; background: var(--mat2); position: sticky; top: 0; }
td.so, th.so { text-align: right; }
td.dai { white-space: normal; min-width: 260px; max-width: 520px; }
tr.tong td { font-weight: 700; background: var(--mat2); border-bottom: 0; }
tbody tr:hover td { background: var(--mat2); }
td .am { color: var(--xau); }
.duong { color: var(--thu); } .am { color: var(--xau); }
.nho { font-size: 12px; color: var(--mo); }

/* thanh lọc */
.loc { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.loc select, .loc input { padding: 7px 10px; border: 1px solid var(--vien); border-radius: 8px; background: var(--mat); }
.loc button, .nut { padding: 7px 14px; border: 1px solid var(--chinh); border-radius: 8px; background: var(--chinh); color: #fff; cursor: pointer; font-weight: 600; }
.nut.phu { background: var(--mat); color: var(--chinh); }
.nut.nho-nut { padding: 3px 10px; font-size: 12.5px; }
.chip { padding: 4px 10px; border: 1px solid var(--vien); border-radius: 16px; background: var(--mat); cursor: pointer; font-size: 12.5px; }
.chip.dang { background: var(--chinh); border-color: var(--chinh); color: #fff; }

/* biểu đồ */
.bieu-do svg { width: 100%; height: auto; display: block; }
.bieu-do .truc { stroke: var(--vien); }
.bieu-do text { fill: var(--mo); font-size: 11px; }
.chu-giai { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--mo); margin-top: 6px; }
.chu-giai i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.duong-lai { fill: none; stroke: var(--lai); stroke-width: 2; }
.s1 { fill: var(--s1); background: var(--s1); } .s2 { fill: var(--s2); background: var(--s2); } .s3 { fill: var(--s3); background: var(--s3); }
.s4 { fill: var(--s4); background: var(--s4); } .s5 { fill: var(--s5); background: var(--s5); } .s6 { fill: var(--s6); background: var(--s6); }
.doan { stroke: var(--mat); stroke-width: 1; }
.bieu-do rect:hover, .bieu-do .doan:hover { opacity: .8; }
.ti-trong { display: grid; grid-template-columns: minmax(110px, auto) 1fr auto; gap: 6px 12px; align-items: center; }
.ti-trong .ten { font-size: 13px; display: flex; align-items: center; gap: 6px; }
.ti-trong .ten i { width: 10px; height: 10px; border-radius: 2px; flex: none; }
.ti-trong .ray { height: 14px; background: var(--mat2); border-radius: 4px; overflow: hidden; }
.ti-trong .ray span { display: block; height: 100%; border-radius: 0 4px 4px 0; min-width: 2px; }
.ti-trong .so { font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ti-trong .so small { color: var(--mo); margin-left: 6px; }
.mau-thu { background: var(--thu); fill: var(--thu); } .mau-chi { background: var(--chi); fill: var(--chi); } .mau-lai { background: var(--lai); stroke: var(--lai); fill: var(--lai); }

.thong-tin { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px 20px; }
.thong-tin div span { display: block; color: var(--mo); font-size: 12px; }
.thong-tin div b { font-weight: 600; }

.dang-tai, .trong { color: var(--mo); padding: 24px 0; text-align: center; }
.bao-loi { background: var(--xau-nhat); color: var(--xau); padding: 12px 14px; border-radius: 8px; }
.ghi-chu { color: var(--mo); font-size: 12.5px; margin-top: 8px; }

/* hộp nhập liệu */
.hop-thoai { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 16px; }
.ht-khung { width: min(640px, 100%); max-height: 92vh; background: var(--mat); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }
.ht-dau { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--vien); font-size: 15px; }
.ht-dau button { border: 0; background: none; font-size: 16px; cursor: pointer; color: var(--mo); }
.ht-than { padding: 14px 16px; overflow-y: auto; }
.ht-khung > .loi { margin: 0 16px; }
.ht-chan { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--vien); }
.o-nhap { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.o-nhap label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; color: var(--mo); }
.o-nhap label.rong, .o-nhap div.rong { grid-column: 1 / -1; }
.o-nhap div.rong { border-top: 1px solid var(--vien); padding-top: 8px; margin-top: 4px; font-weight: 600; }
.o-nhap input, .o-nhap select, .o-nhap textarea, .nhap-so { padding: 8px 10px; border: 1px solid var(--vien); border-radius: 8px; background: var(--mat2); color: var(--chu); font-size: 14px; }
.o-nhap input:focus, .nhap-so:focus { outline: 2px solid var(--chinh); outline-offset: -1px; }
.nhom-nhap { border: 1px solid var(--vien); border-radius: 10px; padding: 12px; margin: 10px 0; }
.nhom-nhap > .dau-nhom { display: flex; justify-content: space-between; align-items: center; font-weight: 600; margin-bottom: 8px; }
.chon { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.nhom-nhap > select { width: 100%; padding: 8px 10px; border: 1px solid var(--vien); border-radius: 8px; background: var(--mat2); color: var(--chu); margin: 4px 0 6px; }
.chu-y { background: var(--canh-nhat); color: var(--canh); padding: 8px 10px; border-radius: 8px; font-size: 13px; margin: 6px 0; }
.nut-nho { padding: 2px 8px; font-size: 12px; border: 1px solid var(--vien); border-radius: 6px; background: var(--mat); cursor: pointer; color: var(--chu); }
.nut-nho.xoa { color: var(--xau); border-color: color-mix(in srgb, var(--xau) 40%, var(--vien)); }
.hang-nut { display: flex; gap: 4px; }
.nut-nho:disabled, .nut:disabled { opacity: .4; cursor: not-allowed; }
.nhap-so:disabled { opacity: .55; background: transparent; }
.nhap-so { width: 110px; text-align: right; font-variant-numeric: tabular-nums; padding: 5px 8px; }
.the > h3 .nut { margin-left: auto; }
.bao { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 50; max-width: min(560px, calc(100% - 32px)); background: var(--chu); color: var(--nen); padding: 10px 16px; border-radius: 10px; box-shadow: 0 6px 24px rgba(0,0,0,.25); font-size: 13.5px; }
.bao.loi-bao { background: var(--xau); color: #fff; }
@media (max-width: 560px) { .o-nhap { grid-template-columns: 1fr; } }

/* hộp phiếu */
.hop-phieu { position: fixed; inset: 0; z-index: 30; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 16px; }
.hop-phieu-khung { width: min(820px, 100%); height: min(92vh, 1100px); background: var(--mat); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }
.hop-phieu-dau { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--vien); gap: 10px; }
.hop-phieu-dau span { display: flex; gap: 12px; align-items: center; }
.hop-phieu-dau button { border: 1px solid var(--vien); background: var(--mat2); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.hop-phieu iframe { flex: 1; border: 0; width: 100%; background: #fff; }