/* FQFVN — nền xanh lạnh (kho đông), điểm nhấn xanh rêu cho sổ chi phí,
   nâu hổ phách (vỏ sầu) cho sổ vật tư. Chữ Be Vietnam Pro làm riêng cho
   tiếng Việt; số và mã dùng JetBrains Mono cho thẳng cột. */
:root{
  --bg:#eef1ee; --surface:#fff; --ink:#151d1a; --muted:#5d6b65; --line:#d3dad5; --sunken:#e7ebe8;
  --expense:#176153; --expense-soft:#e3efeb; --supply:#8a5a11; --supply-soft:#f6ece0;
  --danger:#a8401c; --danger-soft:#f9e8e2; --warn:#96700a; --warn-soft:#f7eed6;
  --shadow:0 1px 2px rgba(21,29,26,.06), 0 8px 24px -16px rgba(21,29,26,.28);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1412; --surface:#171e1b; --ink:#e6ebe8; --muted:#93a39c; --line:#2b3531; --sunken:#1e2623;
  --expense:#5fc4ad; --expense-soft:#16302a; --supply:#d9a45c; --supply-soft:#332612;
  --danger:#f0967a; --danger-soft:#3a1f16; --warn:#d9b23a; --warn-soft:#332b12;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -16px rgba(0,0,0,.8);
}}
*{box-sizing:border-box}
body{margin:0; background:var(--bg); color:var(--ink);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif; font-size:15px; line-height:1.55}
h1,h2,h3{margin:0; font-weight:800; letter-spacing:-.02em; text-wrap:balance}
h1{font-size:clamp(24px,4vw,34px); line-height:1.15} h2{font-size:19px} h3{font-size:15px; font-weight:600}
p{margin:0; max-width:66ch}
a{color:var(--expense)}
button{font:inherit; cursor:pointer}
:focus-visible{outline:2px solid var(--expense); outline-offset:2px}
.muted{color:var(--muted)} .small{font-size:12.5px}
.eyebrow{font-size:11px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--muted)}
.page{max-width:1020px; margin-inline:auto; padding-inline:20px; padding-block:32px 80px;
  display:flex; flex-direction:column; gap:22px}
.page.narrow{max-width:720px}
.page-head{display:flex; gap:18px; align-items:flex-start; flex-wrap:wrap}
.page-head > div:first-child{flex:1; min-width:min(100%,300px)}

/* thanh trên cùng */
.topbar{background:var(--surface); border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1020px; margin-inline:auto; padding:11px 20px;
  display:flex; align-items:center; gap:20px; flex-wrap:wrap}
.brand{font-weight:800; letter-spacing:-.03em; font-size:17px; text-decoration:none; color:var(--expense)}
.topbar nav{display:flex; gap:16px; font-size:14px}
.topbar nav a{color:var(--muted); text-decoration:none}
.topbar nav a:hover{color:var(--expense)}
.who{margin-left:auto; display:flex; align-items:center; gap:10px; font-size:13px}
.who-name{font-weight:600}
.who-role{color:var(--muted); font-size:11.5px}
.signout{background:none; border:1px solid var(--line); border-radius:20px; padding:4px 12px;
  color:var(--muted); font-size:12.5px}
.signout:hover{border-color:var(--danger); color:var(--danger)}

/* đăng nhập */
.centered{min-height:100vh; display:grid; place-items:center; padding:24px}
.login-card{background:var(--surface); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow);
  padding:32px; width:min(100%,400px); display:flex; flex-direction:column; gap:14px}
.login-card h1{font-size:34px; color:var(--expense)}
.login-card label,.field-wide{display:flex; flex-direction:column; gap:5px; font-size:12.5px;
  font-weight:600; color:var(--muted)}
input,textarea,select{font:inherit; font-size:14px; color:var(--ink); background:var(--surface);
  border:1.5px solid var(--line); border-radius:8px; padding:9px 11px; width:100%; font-weight:400}
input:focus,textarea:focus,select:focus{border-color:var(--expense); outline:none}
textarea{font-family:"JetBrains Mono",ui-monospace,monospace; font-size:13px; resize:vertical}
.btn-primary{background:var(--expense); color:var(--bg); border:0; border-radius:9px; padding:11px 20px;
  font-weight:600; font-size:14.5px; text-decoration:none; display:inline-block; text-align:center}
.btn-primary:hover{filter:brightness(1.1)}
.btn-primary:disabled{opacity:.5; cursor:not-allowed}
.alert{background:var(--danger-soft); color:var(--danger); border:1px solid var(--danger);
  border-radius:9px; padding:11px 14px; font-size:13.5px; font-weight:500}

/* trang chủ + form nhập */
.card{background:var(--surface); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow);
  padding:20px; display:flex; flex-direction:column; gap:16px}
.batch-list{display:flex; flex-direction:column; gap:10px}
.batch-card{background:var(--surface); border:1px solid var(--line); border-radius:11px; padding:14px 18px;
  display:flex; gap:16px; align-items:center; flex-wrap:wrap; text-decoration:none; color:inherit;
  box-shadow:var(--shadow)}
.batch-card:hover{border-color:var(--expense)}
.batch-id{flex:1; min-width:220px; display:flex; flex-direction:column; gap:2px}
.batch-id .code{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:13px; color:var(--expense)}
.batch-id .muted{font-size:12.5px}
.batch-count{display:flex; align-items:baseline; gap:6px}
.batch-count .big{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:20px}
.batch-count .money{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:13.5px; margin-left:10px}
.batch-tags{display:flex; gap:6px}
.empty{text-align:center; padding:60px 20px; display:flex; flex-direction:column; gap:16px;
  align-items:center; color:var(--muted)}
.thumbs{display:flex; gap:10px; flex-wrap:wrap}
.thumbs img{width:110px; height:110px; object-fit:cover; border-radius:9px; border:1px solid var(--line)}
.button-row{display:flex; gap:14px; align-items:center; flex-wrap:wrap}

/* thanh chốt */
.stickybar{position:sticky; top:0; z-index:30; background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line)}
.stickybar-inner{max-width:1020px; margin-inline:auto; padding:10px 20px;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap}
.counter{min-width:150px}
.counter-big{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:22px;
  letter-spacing:-.03em; color:var(--expense)}
.counter-money{font-family:"JetBrains Mono",monospace; font-weight:700; font-size:15px; margin-left:8px}
.counter-rest{font-size:12px; color:var(--muted); display:flex; gap:7px; flex-wrap:wrap}
.save-state{font-size:12px; color:var(--muted); margin-left:auto; display:flex; align-items:center; gap:7px}
.dot{width:7px; height:7px; border-radius:50%; background:var(--muted)}
.dot.ok{background:var(--expense)} .dot.bad{background:var(--danger)} .dot.busy{background:var(--warn)}
.btn-commit{background:var(--expense); color:var(--bg); border:0; border-radius:8px; padding:9px 18px;
  font-weight:600; font-size:14px}
.btn-commit:disabled{opacity:.5; cursor:not-allowed}
.stickybar-error{max-width:1020px; margin-inline:auto; padding:7px 20px; font-size:12.5px;
  color:var(--danger); background:var(--danger-soft); font-weight:500}
.stickybar-error[hidden]{display:none}

.notice{background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--expense);
  border-radius:10px; padding:15px 18px; display:flex; flex-direction:column; gap:7px; font-size:14px}
.extractor-note{background:var(--warn-soft); color:var(--warn); border-radius:8px; padding:9px 12px;
  font-size:13.5px}
.result{border-radius:11px; padding:16px 20px; border:1px solid; display:flex; flex-direction:column; gap:8px}
.result-ok{background:var(--expense-soft); border-color:var(--expense); color:var(--expense)}
.result-bad{background:var(--danger-soft); border-color:var(--danger); color:var(--danger)}
.result ul{margin:0; padding-left:18px; font-size:13.5px; display:flex; flex-direction:column; gap:3px}
.result-problems{font-weight:600}

/* bộ lọc */
.filters{display:flex; gap:7px; flex-wrap:wrap; align-items:center}
.filter{font-size:12.5px; font-weight:500; padding:6px 12px; border-radius:20px; border:1.5px solid var(--line);
  background:var(--surface); color:var(--muted); display:inline-flex; gap:6px; align-items:center}
.filter span{font-family:"JetBrains Mono",monospace; font-size:11px; font-weight:700; background:var(--sunken);
  color:var(--muted); border-radius:20px; padding:0 6px; min-width:20px; text-align:center}
.filter[aria-pressed="true"]{border-color:var(--expense); background:var(--expense-soft); color:var(--expense)}
.filter[aria-pressed="true"] span{background:var(--expense); color:var(--surface)}
.filters-gap{flex:1}
.link-button{font-size:12.5px; padding:6px 11px; border:0; background:none; color:var(--muted);
  text-decoration:underline; text-underline-offset:3px}
.link-button:hover{color:var(--expense)}
.empty-note{text-align:center; color:var(--muted); padding:26px 0}

/* mục theo ngày */
#dayList{display:flex; flex-direction:column; gap:16px}
.day{padding:0; overflow:hidden}
.day[hidden]{display:none}
.day-head{display:flex; align-items:center; gap:14px; padding:13px 18px; border-bottom:1px solid var(--line);
  background:var(--expense-soft); flex-wrap:wrap}
.day-head h2{font-size:20px; color:var(--expense); font-family:"JetBrains Mono",monospace;
  font-weight:700; letter-spacing:-.03em}
.day-year{font-size:12px; font-weight:400; opacity:.6}
.day-weekday{font-size:11.5px; color:var(--expense); opacity:.75; display:block; margin-top:-2px}
.day-total{margin-left:auto; font-family:"JetBrains Mono",monospace; font-size:12.5px;
  font-weight:600; color:var(--expense)}
.day-toggle{font-size:10.5px; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
  padding:3px 9px; border-radius:20px; border:1px solid var(--expense); background:none; color:var(--expense)}
.day-toggle[hidden]{display:none}

/* dòng */
.row{display:grid; grid-template-columns:34px 1fr; gap:0 10px; align-items:start;
  padding:0 14px 0 12px; border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row[hidden]{display:none}
.row.has-duplicate{background:color-mix(in srgb,var(--danger-soft) 32%,transparent)}
.row.is-selected{background:color-mix(in srgb,var(--expense-soft) 60%,transparent)}
.row.is-selected.has-duplicate{background:color-mix(in srgb,var(--danger-soft) 45%,transparent)}
.row.is-written{background:var(--sunken)}
.row.is-written .summary,.row.is-written .row-money{opacity:.6}
.row.has-problem{box-shadow:inset 3px 0 0 var(--danger)}
.pick{appearance:none; width:22px; height:22px; margin:13px 0 0; border-radius:6px; border:1.5px solid var(--line);
  background:var(--surface); cursor:pointer; position:relative; padding:0}
.pick:checked{background:var(--expense); border-color:var(--expense)}
.pick:checked::after{content:"✓"; position:absolute; inset:0; display:flex; align-items:center;
  justify-content:center; color:var(--surface); font-size:13px; font-weight:700; line-height:1}
.pick:disabled{opacity:.45; cursor:not-allowed}
.row-body{min-width:0}
.row-body > summary{display:grid; grid-template-columns:auto 1fr auto; gap:10px; align-items:start;
  padding:10px 0; cursor:pointer; list-style:none}
.row-body > summary::-webkit-details-marker{display:none}
.row-body[open] > summary{border-bottom:1px dashed var(--line)}
.ledger-tag{font-family:"JetBrains Mono",monospace; font-size:10px; font-weight:700; padding:2px 6px;
  border-radius:4px; margin-top:2px; white-space:nowrap}
.ledger-tag.ledger-Expense{background:var(--expense-soft); color:var(--expense)}
.ledger-tag.ledger-Supply{background:var(--supply-soft); color:var(--supply)}
.summary{min-width:0}
.row-title{font-size:14px; font-weight:500; margin-right:5px}
.row-detail{display:block; font-size:12.5px; color:var(--muted); margin-top:1px;
  font-family:"JetBrains Mono",monospace; font-variant-numeric:tabular-nums}
.row-money{font-family:"JetBrains Mono",monospace; font-variant-numeric:tabular-nums; font-weight:700;
  font-size:13.5px; white-space:nowrap; padding-top:1px}
.tag{display:inline-block; font-size:10.5px; font-weight:600; padding:1px 6px; border-radius:20px;
  border:1px solid currentColor; margin-left:3px; white-space:nowrap}
.tag-dup{color:var(--danger)} .tag-factor{color:var(--supply)} .tag-remark{color:var(--warn)}
.tag-done{color:var(--expense)} .tag-pending{color:var(--warn)}
.tag-problem{color:var(--danger); background:var(--danger-soft)}

/* bảng sửa */
.editor{padding:12px 0 16px; display:flex; flex-direction:column; gap:12px}
.ledger-switch{display:inline-flex; border:1.5px solid var(--line); border-radius:8px;
  overflow:hidden; width:fit-content}
.ledger-option{font-size:12.5px; font-weight:600; padding:6px 14px; border:0; background:none; color:var(--muted)}
.ledger-option[aria-pressed="true"]{background:var(--expense); color:var(--surface)}
.ledger-option:disabled{opacity:.5; cursor:not-allowed}
.field-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:9px 12px}
.field{display:flex; flex-direction:column; gap:3px; min-width:0}
.field > span{font-size:10.5px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--muted)}
.field input,.field select{font-size:13.5px; padding:6px 8px}
.field input[type="number"]{font-family:"JetBrains Mono",monospace; font-variant-numeric:tabular-nums}
.field input[readonly],.field select:disabled{background:var(--sunken); color:var(--muted)}
.field.field-span{grid-column:span 2}
.derived{display:flex; gap:16px; flex-wrap:wrap; align-items:center; font-size:12.5px; color:var(--muted);
  padding-top:6px; border-top:1px solid var(--line)}
.derived b{color:var(--ink); font-family:"JetBrains Mono",monospace; font-weight:700}
.derived-warn{color:var(--warn)}

@media (max-width:560px){
  .stickybar-inner{gap:8px} .counter-rest{width:100%; order:5} .save-state{margin-left:0}
  .btn-commit,#commitForm{width:100%; order:6}
  .row-body > summary{grid-template-columns:auto 1fr; gap:6px}
  .row-money{grid-column:2}
  .field-grid{grid-template-columns:1fr} .field.field-span{grid-column:span 1}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important; animation:none!important}}


/* Dashboard tồn kho dùng hệ thiết kế Nocturne ở css/nocturne.css, nạp riêng
   khi view đặt ViewData["BodyClass"] = "nocturne". Bộ lớp cũ (.stock-*,
   .table-wrap, .grid, .price-form…) đã xoá vì không còn view nào dùng. */