/* Quản trị Bắc Bình: cùng bộ màu với web dự toán (xanh dương đậm + đỏ của logo Bắc Bình) */
:root{
  --go-dam:#0d1b6e; --go:#1f3fd1; --vang:#e3262b; --vang-nhat:#e8edff;
  --nen:#f4f6fb; --the:#ffffff; --the2:#f7f9fd; --vien:#dfe4f0; --vien2:#c9d1e4;
  --chu:#1b2140; --chu2:#56607a; --chu3:#8a92aa; --chu-logo:#0d1b6e;
  --xanh:#2f7a55; --xanh-nen:#e6f2ec; --do:#b3432f; --do-nen:#f8e7e3; --cam:#b8741a; --cam-nen:#fbf0de;
  --bong:0 1px 2px rgba(13,27,110,.06), 0 4px 16px rgba(13,27,110,.06);
  --r:12px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --nen:#0f1324; --the:#171c33; --the2:#1c223b; --vien:#2a3150; --vien2:#38406a;
    --chu:#e9ecf8; --chu2:#aab3d1; --chu3:#8089a8; --vang-nhat:#1f2a5c; --chu-logo:#e9ecf8; --go:#8fa4ff;
    --xanh:#5cbf8c; --xanh-nen:#1f3329; --do:#e7826f; --do-nen:#3a221d; --cam:#e2a64f; --cam-nen:#3a2c18;
    --bong:0 1px 2px rgba(0,0,0,.3); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --nen:#0f1324; --the:#171c33; --the2:#1c223b; --vien:#2a3150; --vien2:#38406a;
  --chu:#e9ecf8; --chu2:#aab3d1; --chu3:#8089a8; --vang-nhat:#1f2a5c; --chu-logo:#e9ecf8; --go:#8fa4ff;
  --xanh:#5cbf8c; --xanh-nen:#1f3329; --do:#e7826f; --do-nen:#3a221d; --cam:#e2a64f; --cam-nen:#3a2c18;
  --bong:0 1px 2px rgba(0,0,0,.3); color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0; background:var(--nen); color:var(--chu); font:14px/1.5 'Be Vietnam Pro', system-ui, sans-serif}
button,input,select,textarea{font:inherit; color:inherit}
a{color:var(--go)}
.so{font-variant-numeric:tabular-nums}
[hidden]{display:none!important}
.mo{color:var(--chu2)}
.nho-chu{font-size:12px}

/* Logo */
.logo-bb{display:flex; align-items:center; gap:10px}
.logo-bb .l1{font-size:10px; font-weight:700; letter-spacing:.32em; line-height:1.1; color:var(--vang)}
.logo-bb .l2{font-size:21px; font-weight:800; letter-spacing:.04em; line-height:1.15; margin-top:4px; color:var(--chu-logo)}
.ben .logo-bb .l1{color:#ff7a7d}
.ben .logo-bb .l2{color:#fff}
.ben .logo-bb img{background:#fff; border-radius:10px; padding:3px}

/* Khung */
.khung{display:grid; grid-template-columns:240px 1fr; min-height:100vh}
.ben{background:var(--go-dam); color:#e6ebff; padding:18px 14px; position:sticky; top:0; height:100vh; display:flex; flex-direction:column; gap:4px}
.ben .logo{padding:4px 8px 16px; border-bottom:1px solid rgba(255,255,255,.08); margin-bottom:10px}
.ben .ten-trang{margin-top:12px; font-size:11px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:#8f9bd0}
.nav{display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:9px; color:#b9c4ec; text-decoration:none; cursor:pointer; border:0; background:none; text-align:left; width:100%; font-weight:500}
.nav svg{width:18px; height:18px; flex:none; opacity:.85}
.nav:hover{background:rgba(255,255,255,.06); color:#fff}
.nav.on{background:var(--vang); color:#fff; font-weight:700}
.nav.on svg{opacity:1}
.nav.cach{margin-top:10px; border-top:1px solid rgba(255,255,255,.08); padding-top:13px; border-radius:0 0 9px 9px}
.nav.cach.on{border-radius:9px}
.ben .cuoi{margin-top:auto; font-size:12px; color:#8f9bd0; padding:8px}
.ben .cuoi button{background:none; border:0; color:#b9c4ec; text-decoration:underline; cursor:pointer; padding:0; font-size:12px}
.da-luu{font-size:12px}
.da-luu.loi{color:var(--do)!important}
.ben .da-luu.loi{color:#ff9c8c!important}
.chinh{min-width:0; padding:22px 28px 60px; max-width:1400px}
.dau{display:flex; align-items:flex-end; gap:12px; flex-wrap:wrap; margin-bottom:18px}
.dau h1{font-size:22px; margin:0; letter-spacing:-.01em}
.dau .phu{color:var(--chu2); font-size:13px}
.dau .day{margin-left:auto; display:flex; gap:8px; flex-wrap:wrap}
.duong{font-size:12.5px; color:var(--chu3); margin-bottom:4px; display:flex; gap:6px; align-items:center}
.duong a{color:var(--chu2); text-decoration:none; font-weight:600}
.duong a:hover{color:var(--go)}

/* Nút */
.nut{display:inline-flex; align-items:center; gap:7px; border:1px solid var(--vien2); background:var(--the); padding:8px 14px; border-radius:9px; cursor:pointer; font-weight:600; font-size:13.5px; white-space:nowrap; text-decoration:none; color:var(--chu)}
.nut:hover{border-color:var(--go)}
.nut svg{width:16px; height:16px}
.nut.chinh-n{background:var(--go-dam); color:#eef2ff; border-color:var(--go-dam)}
.nut.chinh-n:hover{background:#16288f}
.nut.do{color:var(--do)}
.nut:disabled{opacity:.5; cursor:default}

/* Thẻ */
.the{background:var(--the); border:1px solid var(--vien); border-radius:var(--r); box-shadow:var(--bong); padding:18px}
.the h2{font-size:15px; margin:0 0 12px; display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.the h2 .phu{font-weight:400; color:var(--chu2); font-size:12.5px}
.chinh > .the + .the{margin-top:16px}
.luoi{display:grid; gap:16px}
.luoi.c4{grid-template-columns:repeat(4,1fr)}
.luoi.c2{grid-template-columns:repeat(2,1fr)}
.kpi .nhan-kpi{font-size:12px; color:var(--chu2); text-transform:uppercase; letter-spacing:.05em; font-weight:600}
.kpi .gt{font-size:24px; font-weight:700; margin-top:4px; letter-spacing:-.01em}
.kpi .gt.cho{color:var(--chu3)}
.kpi .ghi{font-size:12px; color:var(--chu3)}
.tieu-de-phan{font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--chu2); margin:26px 0 10px; display:flex; gap:8px}

/* Thẻ mục trong tab */
.muc-luoi{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
@media (min-width: 1500px){ .muc-luoi{grid-template-columns:repeat(var(--n,4),1fr)} }
.muc-the{display:flex; gap:14px; align-items:flex-start; background:var(--the); border:1px solid var(--vien); border-radius:var(--r); box-shadow:var(--bong); padding:16px; text-decoration:none; color:inherit; transition:transform .12s, border-color .12s}
.muc-the:hover{transform:translateY(-2px); border-color:var(--vang)}
.muc-ic{flex:none; width:40px; height:40px; border-radius:10px; background:var(--vang-nhat); color:var(--go-dam); display:flex; align-items:center; justify-content:center}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .muc-ic{color:#c9d3ff} }
:root[data-theme="dark"] .muc-ic{color:#c9d3ff}
.muc-the .ten{font-weight:700; font-size:14.5px; margin-bottom:2px}
.muc-the .dong2{display:flex; gap:6px; flex-wrap:wrap; margin-top:10px}

/* Thanh chọn mục */
.loc{display:flex; gap:6px; flex-wrap:wrap; margin-bottom:16px}
.loc a{border:1px solid var(--vien2); background:var(--the); padding:5px 12px; border-radius:99px; cursor:pointer; font-size:12.5px; text-decoration:none; color:var(--chu)}
.loc a:hover{border-color:var(--go)}
.loc a.on{background:var(--go-dam); color:#eef2ff; border-color:var(--go-dam); font-weight:600}

/* Ô nhập */
label.o{display:flex; flex-direction:column; gap:4px; font-size:12px; color:var(--chu2); font-weight:600}
.inp{border:1px solid var(--vien2); background:var(--the); border-radius:8px; padding:7px 10px; width:100%; min-width:0; font-weight:400; color:var(--chu)}
.inp:focus{outline:2px solid var(--vang); outline-offset:0; border-color:var(--vang)}
textarea.inp{resize:vertical; min-height:96px; line-height:1.55}
.hang-o{display:grid; gap:12px; align-content:start}
.hang-o.c2{grid-template-columns:1fr 1fr}
.hang-o .rong{grid-column:1 / -1}

/* Bảng */
.bang-wrap{overflow-x:auto; border:1px solid var(--vien); border-radius:10px; background:var(--the)}
table.bang{width:100%; border-collapse:collapse; font-size:13px}
.bang th{background:var(--the2); color:var(--chu2); font-weight:600; font-size:11.5px; text-transform:uppercase; letter-spacing:.04em; text-align:left; padding:9px 10px; border-bottom:1px solid var(--vien); white-space:nowrap}
.bang td{padding:7px 10px; border-bottom:1px solid var(--vien); vertical-align:middle}
.bang tr:last-child td{border-bottom:0}
.bang-khung{border:1px solid var(--vien); border-radius:10px; overflow:hidden; background:var(--the)}
.bang-khung .bang-wrap{border:0; border-radius:0; border-bottom:1px solid var(--vien)}
.bang-khung .bang th{border-bottom:0}
.o-trong{text-align:center; color:var(--chu3); padding:34px 16px}
.o-trong svg{opacity:.55; margin-bottom:6px}

/* Biểu đồ chờ dữ liệu */
.bd-trong{position:relative; border:1px dashed var(--vien2); border-radius:10px; padding:18px 18px 10px; background:var(--the2)}
.bd-trong svg{display:block; width:100%; height:160px}
.bd-trong .chu{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; text-align:center; padding:16px; color:var(--chu2); font-weight:600; font-size:13px}
.bd-trong .chu span{background:var(--the); border:1px solid var(--vien); padding:6px 12px; border-radius:99px; box-shadow:var(--bong)}

/* Nhãn, hộp nhắc */
.nhan{display:inline-flex; align-items:center; gap:4px; font-size:11px; font-weight:700; padding:2px 8px; border-radius:99px; white-space:nowrap}
.nhan.xanh{background:var(--xanh-nen); color:var(--xanh)}
.nhan.cam{background:var(--cam-nen); color:var(--cam)}
.nhan.xam{background:var(--the2); color:var(--chu2); border:1px solid var(--vien)}
.bao{border-radius:10px; padding:10px 14px; font-size:13px; display:flex; gap:10px; align-items:flex-start; margin-bottom:16px}
.bao svg{flex:none; margin-top:1px}
.bao.do{background:var(--do-nen); color:var(--do)}
.bao.cam{background:var(--cam-nen); color:var(--cam)}
.bao.xanh{background:var(--xanh-nen); color:var(--xanh)}
.bao.xanh-duong{background:var(--vang-nhat); color:var(--chu)}

/* Ghi chú yêu cầu */
.ghi-chu{margin-top:16px; border-left:4px solid var(--vang)}
.ghi-chu .chan{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-top:6px; font-size:12px; color:var(--chu3)}

/* Đăng nhập */
.vao{min-height:100vh; display:flex; align-items:center; justify-content:center; padding:16px; background:radial-gradient(circle at 30% 20%, #14257f, #0a1452)}
.vao .hop{background:var(--the); border-radius:18px; padding:32px 28px; width:min(380px,100%); box-shadow:0 20px 60px rgba(0,0,0,.35); text-align:center}
.vao .hop .logo-bb{justify-content:center}
.vao .hop .inp{text-align:center; font-size:18px; letter-spacing:.2em; padding:12px; margin:18px 0 12px}
.vao .hop .bao{text-align:left}

.thong-bao{position:fixed; bottom:20px; left:50%; transform:translateX(-50%); background:var(--go-dam); color:#eef2ff; padding:10px 18px; border-radius:10px; z-index:80; box-shadow:0 8px 30px rgba(0,0,0,.3); font-weight:600; max-width:calc(100% - 32px)}

@media (max-width: 1100px){
  .luoi.c4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 760px){
  .khung{grid-template-columns:1fr}
  .ben{position:fixed; bottom:0; top:auto; height:auto; width:100%; flex-direction:row; padding:6px; z-index:40; overflow-x:auto; gap:2px; justify-content:space-around}
  .ben .logo,.ben .cuoi{display:none}
  .nav{flex-direction:column; gap:2px; font-size:10.5px; padding:6px 4px; min-width:62px; align-items:center; text-align:center}
  .nav.cach{margin-top:0; border-top:0; padding-top:6px; border-radius:9px}
  .chinh{padding:16px 16px 90px}
  .luoi.c2,.hang-o.c2,.muc-luoi{grid-template-columns:1fr}
  .kpi .gt{font-size:20px}
  .dau h1{font-size:19px}
  .dau .day{margin-left:0}
  .thong-bao{bottom:78px}
}