/* ============================================================
   giaodich.hoahoinb.com — giao dien
   ============================================================ */

:root {
  --nen: #f6f7f9;
  --the: #ffffff;
  --vien: #e3e6ea;
  --vien-dam: #cbd2da;
  --chu: #1c2430;
  --chu-phu: #667080;
  --chinh: #1f6f4a;          /* xanh cua hang */
  --chinh-nhat: #e8f3ec;
  --chinh-dam: #185339;
  --canh: #b45309;           /* cam: chua xet */
  --canh-nhat: #fdf3e3;
  --do: #b42318;             /* do: khong ban thuc te / lech */
  --do-nhat: #fdeceb;
  --xanh: #1d4ed8;
  --xanh-nhat: #eaf0fe;
  --bong: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --tron: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --nen: #14181d; --the: #1c2127; --vien: #2c333b; --vien-dam: #3b444e;
    --chu: #e8ecf1; --chu-phu: #9aa5b1;
    --chinh: #4ab883; --chinh-nhat: #1b2f26; --chinh-dam: #6fd0a0;
    --canh: #e0a350; --canh-nhat: #33280f;
    --do: #f08a80; --do-nhat: #3a1d1a;
    --xanh: #8ab0fb; --xanh-nhat: #1a2338;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--nen);
  color: var(--chu);
  font: 15px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.an { display: none !important; }

/* ---------- đăng nhập ---------- */
.man-dang-nhap {
  min-height: 100vh; display: grid; place-items: center; padding: 16px;
}
.the-dang-nhap {
  background: var(--the); border: 1px solid var(--vien); border-radius: 14px;
  box-shadow: var(--bong); padding: 28px 24px; width: 100%; max-width: 360px;
}
.the-dang-nhap h1 { margin: 0; font-size: 20px; }
.the-dang-nhap .phu { margin: 2px 0 20px; color: var(--chu-phu); font-size: 13px; }
.the-dang-nhap label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.the-dang-nhap input { width: 100%; margin-bottom: 14px; }
.the-dang-nhap button { width: 100%; }

/* ---------- khung ---------- */
.dinh-tren {
  position: sticky; top: 0; z-index: 30;
  background: var(--the); border-bottom: 1px solid var(--vien);
}
.dinh-tren .trong {
  max-width: 1180px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.thuong-hieu { display: flex; flex-direction: column; line-height: 1.2; }
.thuong-hieu strong { font-size: 15px; }
.thuong-hieu .phu { font-size: 12px; color: var(--chu-phu); }

#thanh-nav { display: flex; gap: 2px; flex-wrap: wrap; margin-left: auto; }
#thanh-nav a {
  padding: 7px 13px; border-radius: 8px; text-decoration: none;
  color: var(--chu-phu); font-size: 14px; font-weight: 600; white-space: nowrap;
}
#thanh-nav a:hover { background: var(--nen); color: var(--chu); }
#thanh-nav a.dang-chon { background: var(--chinh-nhat); color: var(--chinh-dam); }

main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
.chan { max-width: 1180px; margin: 0 auto; padding: 0 16px 30px; }

h2.tieu-de-trang { margin: 0 0 4px; font-size: 20px; }
p.mo-ta-trang { margin: 0 0 18px; color: var(--chu-phu); font-size: 14px; max-width: 70ch; }

/* ---------- thẻ ---------- */
.the {
  background: var(--the); border: 1px solid var(--vien); border-radius: var(--tron);
  box-shadow: var(--bong); padding: 16px; margin-bottom: 16px;
}
.the > h3 { margin: 0 0 12px; font-size: 15px; }
.the > h3 .phu { font-weight: 400; color: var(--chu-phu); font-size: 13px; }

.luoi-so { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 18px; }
.o-so {
  background: var(--the); border: 1px solid var(--vien); border-radius: var(--tron);
  box-shadow: var(--bong); padding: 14px 16px;
}
.o-so .nhan { font-size: 12.5px; color: var(--chu-phu); font-weight: 600; }
.o-so .gia-tri { font-size: 26px; font-weight: 700; line-height: 1.25; margin-top: 2px; font-variant-numeric: tabular-nums; }
.o-so .duoi { font-size: 12px; color: var(--chu-phu); }
.o-so.canh { border-color: color-mix(in srgb, var(--canh) 40%, var(--vien)); }
.o-so.canh .gia-tri { color: var(--canh); }
.o-so.do { border-color: color-mix(in srgb, var(--do) 40%, var(--vien)); }
.o-so.do .gia-tri { color: var(--do); }
.o-so.xanh .gia-tri { color: var(--chinh); }

/* ---------- nút ---------- */
.nut {
  font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid var(--vien-dam); background: var(--the); color: var(--chu);
  border-radius: 8px; padding: 8px 14px;
}
.nut:hover { background: var(--nen); }
.nut:disabled { opacity: .5; cursor: not-allowed; }
.nut.chinh { background: var(--chinh); border-color: var(--chinh); color: #fff; }
.nut.chinh:hover { background: var(--chinh-dam); }
.nut.do { background: var(--do); border-color: var(--do); color: #fff; }
.nut.do:hover { filter: brightness(.92); }
.nut.nho { padding: 5px 10px; font-size: 13px; }
.nut.phang { border-color: transparent; background: transparent; color: var(--chu-phu); }
.nut.phang:hover { background: var(--nen); color: var(--chu); }
.hang-nut { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- ô nhập ---------- */
input, select, textarea {
  font: inherit; color: var(--chu); background: var(--the);
  border: 1px solid var(--vien-dam); border-radius: 8px; padding: 8px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--chinh) 45%, transparent); outline-offset: 1px; }
input[type="number"] { text-align: right; font-variant-numeric: tabular-nums; }
label.o { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--chu-phu); }
label.o > input, label.o > select { font-weight: 400; color: var(--chu); }
.loc { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; }
.loc .rong { flex: 1 1 220px; }

/* ---------- bảng ---------- */
.boc-bang { overflow-x: auto; border: 1px solid var(--vien); border-radius: var(--tron); background: var(--the); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--vien); vertical-align: middle; }
th { background: var(--nen); font-size: 12.5px; text-transform: uppercase; letter-spacing: .02em; color: var(--chu-phu); white-space: nowrap; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: color-mix(in srgb, var(--nen) 60%, transparent); }
td.so, th.so { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.hang-chi-tiet > td { background: var(--nen); padding: 0 12px 12px; }
tr.mo > td { border-bottom: none; }
.bang-trong { padding: 30px 16px; text-align: center; color: var(--chu-phu); font-size: 14px; }

table.gon { font-size: 13px; }
table.gon th, table.gon td { padding: 6px 10px; }

/* ---------- nhãn trạng thái ---------- */
.nhan-tt {
  display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px;
  border-radius: 999px; white-space: nowrap;
}
.nhan-tt.chua_xet  { background: var(--canh-nhat);  color: var(--canh); }
.nhan-tt.ban_that  { background: var(--chinh-nhat); color: var(--chinh-dam); }
.nhan-tt.khong_ban { background: var(--do-nhat);    color: var(--do); }
.nhan-tt.xanh      { background: var(--xanh-nhat);  color: var(--xanh); }

.het { color: var(--chu-phu); }
.con { font-weight: 700; color: var(--do); }
.nho-phu { font-size: 12px; color: var(--chu-phu); }

/* ---------- thanh tiến độ ---------- */
.thanh-td { height: 10px; background: var(--nen); border: 1px solid var(--vien); border-radius: 999px; overflow: hidden; }
.thanh-td > i { display: block; height: 100%; background: var(--chinh); }

/* ---------- thông báo nổi ---------- */
.khung-thong-bao { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-direction: column; gap: 8px; align-items: center; width: calc(100% - 32px); max-width: 520px; }
.thong-bao {
  background: var(--chu); color: var(--nen); padding: 10px 16px; border-radius: 8px;
  font-size: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.2); text-align: center;
}
.thong-bao.xau { background: var(--do); color: #fff; }
.thong-bao.tot { background: var(--chinh); color: #fff; }

/* ---------- hộp thoại ---------- */
.lop-phu { position: fixed; inset: 0; background: rgba(12, 18, 26, .5); z-index: 50; display: grid; place-items: center; padding: 16px; }
.hop-thoai {
  background: var(--the); border-radius: 14px; border: 1px solid var(--vien);
  padding: 20px; width: 100%; max-width: 620px; max-height: 88vh; overflow: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.hop-thoai h3 { margin: 0 0 12px; font-size: 17px; }
.hop-thoai .cuoi { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

.canh-bao {
  display: block; background: var(--canh-nhat); color: var(--canh);
  border: 1px solid color-mix(in srgb, var(--canh) 35%, transparent);
  padding: 9px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
}
.tot-lanh {
  background: var(--chinh-nhat); color: var(--chinh-dam);
  border: 1px solid color-mix(in srgb, var(--chinh) 35%, transparent);
  padding: 12px 16px; border-radius: var(--tron); font-weight: 600; margin-bottom: 16px;
}
.loi { color: var(--do); font-size: 13px; margin: 0 0 10px; font-weight: 600; }

.dang-tai { padding: 40px 0; text-align: center; color: var(--chu-phu); }

/* ---------- ghép cột khi nạp ---------- */
.luoi-ghep { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.buoc { counter-increment: buoc; }
.buoc > h3::before { content: counter(buoc) ". "; }
.the-nap { counter-reset: buoc 0; }

@media (max-width: 720px) {
  .dinh-tren .trong { gap: 10px; padding: 10px 12px; }
  #thanh-nav { width: 100%; margin-left: 0; overflow-x: auto; }
  main { padding: 16px 12px 50px; }
  .o-so .gia-tri { font-size: 22px; }
}

/* ---------- in phiếu ---------- */
@media print {
  .dinh-tren, .chan, .khung-thong-bao, .hang-nut, #thanh-nav { display: none !important; }
  body { background: #fff; }
  .the { box-shadow: none; border: none; }
}