:root { --nen: #f5f6f8; --the: #fff; --chu: #1d2430; --phu: #5b6575; --vien: #d9dde4; --xanh: #0b6bcb; --xanh-nhat: #e7f1fb;
  --tot: #1e7a3c; --tot-nhat: #e6f4ea; --vang: #8a5a00; --vang-nhat: #fff4d6; --do: #b42318; --do-nhat: #fdecea; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--nen); color: var(--chu); }
a { color: var(--xanh); }
.top { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; padding: 10px 16px;
  background: #12355b; color: #fff; }
.top a { color: #fff; text-decoration: none; }
.logo { font-weight: 600; } .logo span { display: block; font-weight: 400; font-size: 12px; opacity: .8; }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; font-size: 14px; }
main { max-width: 1200px; margin: 16px auto; padding: 0 16px; }
footer { max-width: 1200px; margin: 24px auto; padding: 0 16px; color: var(--phu); font-size: 12px; }
.hop { background: var(--the); border: 1px solid var(--vien); border-radius: 8px; padding: 16px 20px; }
.hop.hep { max-width: 640px; margin: 0 auto; }
h1 { font-size: 22px; margin: 0 0 8px; } h2 { font-size: 17px; margin: 22px 0 8px; }
.nho { color: var(--phu); font-size: 13px; }
.nhan { display: inline-block; font-size: 12px; font-weight: 500; padding: 1px 8px; border-radius: 10px; background: #eef0f3; color: var(--phu); vertical-align: middle; }
.nhan.xanh { background: var(--tot-nhat); color: var(--tot); } .nhan.vang { background: var(--vang-nhat); color: var(--vang); }
.tot { background: var(--tot-nhat); color: var(--tot); padding: 8px 12px; border-radius: 6px; }
.canh-bao { background: var(--do-nhat); color: var(--do); padding: 8px 12px; border-radius: 6px; }
.cb { color: var(--do); font-size: 13px; } .cb-dong { color: var(--do); white-space: pre-line; }
.da-gui { font-size: 12px; color: var(--tot); }
.bang { width: 100%; border-collapse: collapse; margin: 6px 0; }
.bang th, .bang td { border-bottom: 1px solid var(--vien); padding: 6px 8px; text-align: left; vertical-align: top; }
.bang th { background: #f0f2f5; font-weight: 600; font-size: 13px; }
.bang.hai-cot th { width: 220px; }
.bang tr.mo td { opacity: .5; }
.bang tr.co-cb td { background: #fffafa; }
.gt { font-family: ui-monospace, Consolas, monospace; letter-spacing: .3px; }
.chon label { display: block; white-space: nowrap; }
.sua-o input, .sua-o select, .dong-them input, .dong-them select { display: block; width: 100%; max-width: 280px; margin: 2px 0; }
.an { visibility: hidden; }
input, select, button { font: inherit; }
input:not([type=radio]):not([type=checkbox]), select { padding: 5px 8px; border: 1px solid var(--vien); border-radius: 5px; background: #fff; }
.gc { font-size: 13px; }
.nut { display: inline-block; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--xanh); background: var(--xanh); color: #fff;
  text-decoration: none; cursor: pointer; margin: 2px 0; }
.nut.phu { background: #fff; color: var(--xanh); } .nut.lon { padding: 10px 18px; font-weight: 600; }
.nut-dn { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; max-width: 380px; }
.link { background: none; border: none; color: inherit; text-decoration: underline; cursor: pointer; padding: 0 4px; font-size: 13px; }
.top .link { color: #fff; font-size: 14px; }
form.inline { display: inline; }
.luoi { display: grid; gap: 10px; max-width: 560px; } .luoi label { display: flex; flex-direction: column; gap: 3px; }
.hep form label { display: block; margin: 8px 0; } .hep form label input { width: 100%; }
.tim { margin: 8px 0; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.the { display: flex; flex-wrap: wrap; gap: 6px; } .the a { padding: 4px 10px; border: 1px solid var(--vien); border-radius: 14px; text-decoration: none; font-size: 13px; }
.the a.chon { background: var(--xanh-nhat); border-color: var(--xanh); }
.so-lieu { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 10px 0; }
.so-lieu div { background: var(--xanh-nhat); border-radius: 6px; padding: 10px 12px; } .so-lieu b { font-size: 22px; display: block; }
.them-tk { margin: 10px 0; } .them-tk summary { cursor: pointer; color: var(--xanh); font-weight: 500; }
.dong-them { border: 1px dashed var(--vien); border-radius: 6px; padding: 8px 10px; margin: 8px 0; }
@media (max-width: 760px) {
  .bang.xn, .bang.xn tbody, .bang.xn tr, .bang.xn td { display: block; width: 100%; }
  .bang.xn tr:first-child { display: none; } .bang.xn tr { border-bottom: 2px solid var(--vien); padding: 6px 0; }
  .bang.xn td { border: none; padding: 3px 4px; } .an { visibility: visible; display: none; }
  .bang:not(.xn) { display: block; overflow-x: auto; }
}