/* Màu nhận diện lấy từ logo Trường ĐH Thủy lợi: xanh #1d4796, đỏ #a81f22 */
:root{--tlu-blue:#1d4796;--tlu-blue-d:#163a7c;--tlu-blue-l:#e8eefa;--tlu-red:#a81f22;--tlu-red-l:#fbeaea;
--bg:#f4f6fa;--card:#fff;--ink:#1f2933;--mute:#64748b;--line:#e2e8f0;--blue:var(--tlu-blue);--red:#b91c1c;--amber:#b45309;--green:#047857;
--red-bg:#fee2e2;--amber-bg:#fef3c7;--green-bg:#d1fae5;--blue-bg:#dbeafe;--shadow:0 1px 2px rgba(15,23,42,.06),0 4px 14px rgba(15,23,42,.05)}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--tlu-blue)}
.ic{width:1.1em;height:1.1em;vertical-align:-.18em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* thanh nhận diện */
header.brandbar{display:flex;align-items:center;gap:18px;padding:10px 24px;background:#fff;border-bottom:3px solid var(--tlu-red);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand img{display:block;height:48px;width:auto}
.appname{display:flex;flex-direction:column;border-left:2px solid var(--line);padding-left:14px;line-height:1.2}
.appname b{font-size:19px;color:var(--tlu-blue);letter-spacing:.4px}.appname small{color:var(--mute);font-size:12px}
.moc{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--tlu-blue-l);color:var(--tlu-blue-d);font-weight:500}
.pill.soon{background:#fef3c7;color:#92400e}.pill.late{background:var(--tlu-red-l);color:var(--tlu-red)}
/* menu chính */
nav.mainnav{display:flex;gap:2px;padding:0 20px;background:var(--tlu-blue);overflow-x:auto}
nav.mainnav a{display:inline-flex;align-items:center;gap:7px;color:#dbe6fb;text-decoration:none;padding:11px 14px;border-bottom:3px solid transparent;white-space:nowrap;font-weight:500}
nav.mainnav a:hover{color:#fff;background:rgba(255,255,255,.08)}
nav.mainnav a.on{color:#fff;border-bottom-color:#fff;background:rgba(255,255,255,.12)}
.demobar{display:flex;align-items:center;gap:8px;justify-content:center;background:#fffbeb;color:#92400e;border-bottom:1px solid #fde68a;padding:6px 16px;font-size:13px}
/* người dùng */
.userbox{position:relative;font-size:14px}.userbox summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px;white-space:nowrap;margin:0;font-weight:400}.userbox summary::-webkit-details-marker{display:none}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--tlu-red);color:#fff;display:grid;place-items:center;font-weight:700}
.who{display:flex;flex-direction:column;line-height:1.15}.who small{color:var(--mute);font-size:12px}
.usermenu{position:absolute;right:0;top:44px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px;min-width:270px;z-index:20;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.usermenu .menuitem{display:flex;align-items:center;gap:8px;padding:6px 4px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line);margin-bottom:8px}
.stack{display:flex;flex-direction:column;gap:6px}.usermenu input{width:100%}
main{max-width:1280px;margin:0 auto;padding:22px 24px}
footer{text-align:center;color:var(--mute);font-size:12px;padding:22px;border-top:1px solid var(--line);margin-top:20px}
footer img{vertical-align:middle;margin-right:6px}
h1{font-size:22px;margin:0 0 14px;display:flex;align-items:center;gap:10px;color:#0f2a5c}
h1 .ic{width:26px;height:26px;color:var(--tlu-red);background:var(--tlu-red-l);padding:5px;border-radius:9px;box-sizing:content-box}
h2{font-size:17px;margin:22px 0 8px;display:flex;align-items:center;gap:8px;color:#0f2a5c}h2 .ic{color:var(--tlu-blue)}
/* thẻ số */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center}
.card .bubble{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none}
.card .bubble .ic{width:22px;height:22px}
.card .n{font-size:26px;font-weight:700;line-height:1.1}.card .l{color:var(--mute);font-size:13px}
.b-blue{background:var(--tlu-blue-l);color:var(--tlu-blue)}.b-red{background:var(--red-bg);color:var(--red)}.b-green{background:var(--green-bg);color:var(--green)}
.b-indigo{background:#e0e7ff;color:#3730a3}.b-gray{background:#eef2f7;color:#475569}.b-amber{background:var(--amber-bg);color:var(--amber)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:900px){.grid2{grid-template-columns:1fr}}
/* bảng */
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px;box-shadow:var(--shadow)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f1f5fb;font-weight:600;font-size:13px;white-space:nowrap;color:#334155}
tr:last-child td{border-bottom:0}table tr:hover td{background:#fafcff}
.num{text-align:right;font-variant-numeric:tabular-nums}
/* nhãn */
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.tag .ic{width:13px;height:13px}
.tag.LOI,.tag.loi{background:var(--red-bg);color:var(--red)}.tag.CANH_BAO{background:var(--amber-bg);color:var(--amber)}.tag.GHI_CHU{background:var(--blue-bg);color:var(--blue)}
.tag.dat{background:var(--green-bg);color:var(--green)}.tag.chua{background:#e5e7eb;color:#374151}.tag.xn{background:#e0e7ff;color:#3730a3}
/* biểu mẫu, nút */
form.inline{display:flex;gap:8px;flex-wrap:wrap;align-items:end}
label{display:flex;flex-direction:column;font-size:13px;color:var(--mute);gap:3px}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}
input:focus,select:focus{outline:2px solid var(--tlu-blue-l);border-color:var(--tlu-blue)}
button,.btn{font:inherit;display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;border:1px solid var(--tlu-blue);background:var(--tlu-blue);color:#fff;cursor:pointer;text-decoration:none;font-weight:500}
button:hover,.btn:hover{background:var(--tlu-blue-d)}
.btn.ghost,button.ghost{background:#fff;color:var(--tlu-blue)}.btn.ghost:hover,button.ghost:hover{background:var(--tlu-blue-l)}
.btn.red{background:var(--tlu-red);border-color:var(--tlu-red)}.btn.sm,button.sm{padding:4px 10px;font-size:13px}
button[disabled]{opacity:.5;cursor:not-allowed}
.muted{color:var(--mute)}.small{font-size:13px}
.bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--tlu-blue)}
details summary{cursor:pointer;font-weight:600;margin:10px 0 6px}
.rowerr td{background:#fff7f7}
.scroll{overflow:auto;max-height:520px}
code{background:#eef2ff;padding:1px 5px;border-radius:4px;font-size:13px}
.note{display:flex;gap:10px;align-items:flex-start;background:#fffbeb;border:1px solid #fde68a;padding:10px 14px;border-radius:10px;font-size:14px;margin:8px 0}
.note>.ic{color:#b45309;margin-top:2px}.note.info{background:var(--tlu-blue-l);border-color:#c7d6f5}.note.info>.ic{color:var(--tlu-blue)}
.note.ok{background:var(--green-bg);border-color:#a7f3d0}.note.ok>.ic{color:var(--green)}
.note.bad{background:var(--red-bg);border-color:#fecaca}.note.bad>.ic{color:var(--red)}
.doc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 20px;font-size:14px;max-height:70vh;overflow:auto}
.doc h2{font-size:17px;margin:4px 0 10px}.doc h3{font-size:14px;margin:16px 0 6px;color:var(--tlu-blue)}.doc table{font-size:13px;margin:6px 0;box-shadow:none}.doc p{margin:6px 0}
/* trang đăng nhập */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-hero{background:linear-gradient(150deg,var(--tlu-blue) 0%,var(--tlu-blue-d) 60%,#0f2a5c 100%);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:center;gap:22px;position:relative;overflow:hidden}
.login-hero:after{content:"";position:absolute;right:-90px;bottom:-90px;width:320px;height:320px;border-radius:50%;background:rgba(168,31,34,.35)}
.login-hero .logo-card{background:#fff;border-radius:16px;padding:14px 18px;display:inline-block;align-self:flex-start;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.login-hero .logo-card img{display:block;height:84px;width:auto}
.login-hero h2{color:#fff;font-size:26px;margin:0}.login-hero p{color:#dbe6fb;margin:0;max-width:520px}
.feat{display:flex;gap:12px;align-items:flex-start;color:#eef3fd;font-size:14px;z-index:1}.feat .ic{width:22px;height:22px;background:rgba(255,255,255,.14);padding:7px;border-radius:10px;box-sizing:content-box}
.login-side{display:flex;align-items:center;justify-content:center;padding:32px}
.box{width:100%;max-width:480px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.box label{margin-bottom:12px}.box input{width:100%}
.ms{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1f2933;font-weight:600;text-decoration:none}
.ms:hover{background:#f1f5f9}.ms.off{opacity:.55;pointer-events:none}
/* đăng nhập: Email TLU là cách chính – khung nổi bật, nút lớn; tài khoản được cấp thu gọn, nhạt bên dưới */
.sso-khung{position:relative;margin:22px 0 0;padding:22px 16px 16px;border:2px solid var(--tlu-blue);border-radius:16px;background:linear-gradient(180deg,#eef3fd 0%,#fff 100%);box-shadow:0 8px 28px rgba(29,71,150,.16)}
.sso-khung.tat{border-color:var(--line);box-shadow:none;background:#f8fafc}
.sso-nhan{position:absolute;top:-13px;left:16px;display:inline-flex;align-items:center;gap:5px;padding:3px 12px;border-radius:999px;background:var(--tlu-blue);color:#fff;font-size:12px;font-weight:700;letter-spacing:.3px;text-transform:uppercase;box-shadow:0 2px 6px rgba(29,71,150,.35)}
.kenh{display:flex;align-items:center;gap:6px;margin:0 0 10px;font-size:14px;font-weight:700;color:var(--tlu-blue)}
.ms-logo{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#fff;border-radius:12px;flex:none;box-shadow:0 2px 6px rgba(0,0,0,.15)}
.ms-chu{display:flex;flex-direction:column;line-height:1.25;min-width:0}.ms-chu b{font-size:20px;white-space:nowrap}.ms-chu small{color:#dbe6fb;font-size:13px;overflow-wrap:anywhere;margin-top:2px}
.ms-mui{margin-left:auto;display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.18);font-size:20px;font-weight:700;flex:none}
.sso-buoc{display:flex;flex-wrap:wrap;gap:6px 14px;margin:12px 0 0;padding:0;list-style:none;counter-reset:b;font-size:13px;color:var(--ink)}
.sso-buoc li{display:flex;align-items:center;gap:6px;counter-increment:b}
.sso-buoc li:before{content:counter(b);display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--tlu-blue);color:#fff;font-size:11px;font-weight:700}
.tk-cap{margin-top:22px;border:1px dashed #cbd5e1;border-radius:12px;background:transparent}
.tk-cap summary{display:flex;align-items:center;gap:10px;margin:0;padding:10px 14px;color:var(--mute);font-weight:600;font-size:13px;list-style:none}
.tk-cap summary::-webkit-details-marker{display:none}
.tk-cap summary>span{display:flex;flex-direction:column}.tk-cap summary small{color:var(--mute);font-weight:400;font-size:12px}
.tk-cap summary:after{content:"▾";margin-left:auto;color:var(--mute)}.tk-cap[open] summary:after{content:"▴"}
.tk-cap[open]{background:#f8fafc;border-style:solid}.tk-cap[open] summary{border-bottom:1px solid var(--line);color:var(--ink)}
.tk-cap form{padding:14px}
.sep{display:flex;align-items:center;gap:10px;color:var(--mute);font-size:13px;margin:18px 0}.sep:before,.sep:after{content:"";flex:1;border-top:1px solid var(--line)}
.demo{border:1px dashed #d97706;background:#fffbeb;padding:12px;border-radius:12px;margin-top:16px}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.demo-grid form{margin:0}.demo-grid button{width:100%;justify-content:flex-start;text-align:left;background:#fff;color:var(--ink);border:1px solid #fcd34d;flex-direction:column;align-items:flex-start;gap:0;padding:8px 10px}
.demo-grid button:hover{background:#fef3c7}.demo-grid button b{display:flex;align-items:center;gap:6px;color:#92400e}.demo-grid button small{color:var(--mute);font-weight:400;font-size:12px}
@media(max-width:900px){.login-wrap{grid-template-columns:1fr}.login-hero{padding:28px}.login-side{order:-1;padding:16px}.box{padding:20px 14px}.sso-khung{padding:20px 10px 12px}.ms-chinh{gap:10px;padding:12px}.ms-chu b{font-size:17px;white-space:normal}.ms-chinh{justify-content:flex-start}.ms-logo{width:42px;height:42px}.ms-mui{display:none}.demo-grid{grid-template-columns:1fr}}
.checklist li{margin:6px 0}.kv td:first-child{white-space:nowrap;font-weight:600;width:1%}
.step{display:flex;gap:12px;margin:12px 0}.step .no{width:28px;height:28px;border-radius:50%;background:var(--tlu-blue);color:#fff;display:grid;place-items:center;font-weight:700;flex:none}
pre.env{background:#0f172a;color:#e2e8f0;padding:12px 14px;border-radius:10px;overflow:auto;font-size:13px}

/* ===== Thích ứng & bảng thông minh (08/11/2026) ===== */
main{min-width:0}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid2>*,.grid3>*,.cards>*{min-width:0}
input,select,textarea{max-width:100%}
form.inline>label{min-width:0;max-width:100%}
code{overflow-wrap:anywhere}
pre{max-width:100%;overflow-x:auto}
img{max-width:100%;height:auto}
.tbl-wrap{position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:10px;background:var(--card);box-shadow:var(--shadow);max-width:100%}
.tbl-wrap>table{border:0;box-shadow:none;border-radius:0}
.tbl-wrap.scroll{max-height:520px;overflow-y:auto}
.tbl-wrap.can-right{background:linear-gradient(to left,rgba(15,23,42,.10),transparent 18px) right/18px 100% no-repeat,var(--card)}
.tbl-wrap.can-left{background:linear-gradient(to right,rgba(15,23,42,.10),transparent 18px) left/18px 100% no-repeat,var(--card)}
.tbl-wrap.can-left.can-right{background:linear-gradient(to right,rgba(15,23,42,.10),transparent 18px) left/18px 100% no-repeat,linear-gradient(to left,rgba(15,23,42,.10),transparent 18px) right/18px 100% no-repeat,var(--card)}
.tbl-wrap.can-right>table,.tbl-wrap.can-left>table{background:transparent}
.tbl-wrap.scroll tr.sticky-head th,.tbl-wrap.scroll thead th{position:sticky;top:0;z-index:1}
.tbl-box{margin:6px 0}
.tbl-bar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin:0 0 8px}
.tbl-search{flex-direction:row;align-items:center;gap:6px;flex:1 1 220px;max-width:360px;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:0 8px;color:var(--mute)}
.tbl-search input{border:0;outline:0;padding:7px 0;flex:1;min-width:0;background:transparent}
.tbl-search:focus-within{border-color:var(--tlu-blue);box-shadow:0 0 0 3px var(--tlu-blue-l)}
.tbl-info{font-size:13px;color:var(--mute)}
.tbl-size{flex-direction:row;align-items:center;gap:6px;margin-left:auto}
.tbl-size select{padding:4px 6px}
.pager{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end;margin-top:8px}
.pager .pg{min-width:34px;justify-content:center;padding:4px 10px;background:#fff;color:var(--tlu-blue);border:1px solid #cbd5e1;font-size:13px}
.pager .pg.on{background:var(--tlu-blue);color:#fff;border-color:var(--tlu-blue)}
.pager .pg:hover:not([disabled]):not(.on){background:var(--tlu-blue-l)}
.pager .pg-gap{padding:4px 2px;color:var(--mute)}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:minmax(0,1fr)}}
@media (max-width:720px){
  main{padding:14px 12px}
  header.brandbar{padding:8px 12px;gap:10px}
  .brand img{height:36px}.brand{gap:8px}
  .appname{padding-left:8px}.appname b{font-size:16px}.appname small{display:none}
  .moc{order:3;width:100%;margin-left:0;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}.moc .pill{flex:none}
  .userbox{margin-left:auto}.who{display:none}
  .usermenu{right:-4px;min-width:min(290px,calc(100vw - 24px))}
  nav.mainnav{padding:0 6px}nav.mainnav a{padding:10px 10px;font-size:14px}
  h1{font-size:19px}h1 .ic{width:22px;height:22px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .card{padding:10px;gap:8px}.card .bubble{width:34px;height:34px}.card .bubble .ic{width:18px;height:18px}.card .n{font-size:21px}
  th,td{padding:7px 8px}
  form.inline{flex-direction:column;align-items:stretch}
  form.inline>label,form.inline>input,form.inline>select{width:100%}
  form.inline>label>input,form.inline>label>select{width:100%}
  td form.inline{flex-direction:row;flex-wrap:wrap;align-items:center}
  td form.inline input,td form.inline select{width:auto}
  .tbl-size{margin-left:0}
  .demobar{font-size:12px;flex-wrap:wrap;text-align:center}
  footer{padding:16px 12px}
  .step{gap:8px}
}
@media (max-width:420px){.cards{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.card .l{font-size:12px}}
.step>div{min-width:0;flex:1}

td code,th code,.tag{white-space:nowrap;overflow-wrap:normal}
@media (max-width:720px){
  .hide-sm{display:none}
  .tbl-wrap.has-head>table{min-width:640px}
  .tbl-wrap.has-head>table td{min-width:4.5em}
  .tbl-wrap.is-wide::after{content:"⟷ vuốt ngang";position:sticky;left:calc(100% - 92px);bottom:4px;display:inline-block;font-size:11px;color:#fff;background:rgba(29,71,150,.75);padding:1px 7px;border-radius:999px;pointer-events:none}
}

/* ===== Sắp xếp, lọc theo cột, tô sáng (08/11/2026) ===== */
th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
th.sortable:hover{background:#e6edf8}
th.sortable:focus-visible{outline:2px solid var(--tlu-blue);outline-offset:-2px}
th .sort-ind{margin-left:4px;font-size:10px;color:#94a3b8}
th.sorted{color:var(--tlu-blue)}th.sorted .sort-ind{color:var(--tlu-red);font-size:11px}
mark.hl{background:#fde68a;color:inherit;padding:0 1px;border-radius:3px}
.tbl-filter{flex-direction:row;align-items:center}
.tbl-filter select{padding:5px 8px;font-size:13px;max-width:220px}
.tbl-bar .tbl-clear{display:none}.tbl-bar.filtered .tbl-clear{display:inline-flex}
.tbl-empty{padding:14px;text-align:center;color:var(--mute);background:#fff;border:1px dashed var(--line);border-radius:10px;margin-top:6px}
.tbl-empty[hidden]{display:none}
@media (max-width:720px){.tbl-filter{flex:1 1 45%}.tbl-filter select{width:100%;max-width:none}}

/* ===== Tìm kiếm toàn hệ thống ===== */
.gsearch{position:relative;display:flex;align-items:center;gap:6px;flex:1 1 260px;max-width:440px;background:#f1f5fb;border:1px solid #d6dfee;border-radius:10px;padding:0 10px;color:var(--mute)}
.gsearch:focus-within{background:#fff;border-color:var(--tlu-blue);box-shadow:0 0 0 3px var(--tlu-blue-l)}
.gsearch input{border:0;background:transparent;outline:0;flex:1;min-width:0;padding:8px 0}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.16);z-index:30;max-height:70vh;overflow:auto;padding:6px}
.suggest[hidden]{display:none}
.sg{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink)}
.sg .ic{color:var(--tlu-blue);margin-top:3px}.sg>span{display:flex;flex-direction:column;min-width:0}.sg small{color:var(--mute);font-size:12px}
.sg-t{overflow:hidden;text-overflow:ellipsis}
.sg.on,.sg:hover{background:var(--tlu-blue-l)}.sg-all{justify-content:center;font-size:13px;color:var(--tlu-blue);border-top:1px solid var(--line);border-radius:0 0 8px 8px;margin-top:4px}
.sg-empty{padding:10px;color:var(--mute);font-size:13px}
.search-big{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #cbd5e1;border-radius:12px;padding:4px 4px 4px 12px;max-width:760px;box-shadow:var(--shadow)}
.search-big .ic{color:var(--mute)}.search-big input[name=q]{border:0;outline:0;flex:1;min-width:0;font-size:16px;padding:8px 0}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 4px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:13px}
.chip b{color:var(--tlu-blue)}.chip.on{background:var(--tlu-blue);color:#fff;border-color:var(--tlu-blue)}.chip.on b{color:#fff}
.results{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:10px}
.res{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.res:hover{border-color:var(--tlu-blue);background:#fafcff}.res-top{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.res-top b{font-weight:600}
.res-body{margin-top:6px;color:#475569}
@media (max-width:720px){.gsearch{order:4;flex-basis:100%;max-width:none}}

/* Thuật ngữ có chú thích */
a.tn{color:inherit;text-decoration:underline dotted #1d4796;text-underline-offset:3px;cursor:help}
a.tn:hover{color:#1d4796}
.tn-goc{color:#6b7280;font-size:.85em}

/* Bảng dạng thẻ trên điện thoại (từ điển thuật ngữ): mỗi dòng là một thẻ, không phải vuốt ngang */
@media (max-width:640px){
  .tbl-wrap.has-head>table.the-di-dong{min-width:0}
  table.the-di-dong,table.the-di-dong tbody,table.the-di-dong tr,table.the-di-dong td{display:block;width:auto!important;min-width:0!important}
  table.the-di-dong tr:first-child{display:none}
  table.the-di-dong tr{padding:10px 12px;border-bottom:1px solid #e5e7eb}
  table.the-di-dong td{padding:2px 0;border:0}
  table.the-di-dong td:empty{display:none}
  table.the-di-dong td[data-nhan]:not([data-nhan=""])::before{content:attr(data-nhan);font-weight:600;color:#374151}
}

/* Thanh "đang xem thử vai trò" */
.xemthu-bar{flex-wrap:wrap;background:#fef3c7;border-bottom:2px solid #f59e0b}
.xemthu-bar form.inline{display:inline-flex;flex-direction:row}
.xemthu h3{display:flex;gap:8px;align-items:center;margin:0}
.xemthu form{min-width:0}.xemthu label{display:block;min-width:0;max-width:100%}.xemthu select{width:100%;max-width:100%;min-width:0}

/* Yêu cầu chỉnh sửa */
.bell{position:relative;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;color:var(--tlu-blue,#1d4796);background:#eef2fb;flex:none}
.bell:hover{background:#dbe4f7}.bell .ic{width:20px;height:20px}
.bell .so{position:absolute;top:-3px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#a81f22;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.mainnav .so{display:inline-block;min-width:18px;height:18px;margin-left:4px;padding:0 5px;border-radius:9px;background:#fff;color:#a81f22;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.thread{display:flex;flex-direction:column;gap:10px}
.msg{border:1px solid #e5e7eb;border-radius:10px;padding:10px 14px;background:#fff;max-width:900px}
.msg.tccb{border-left:4px solid #1d4796}.msg.donvi{border-left:4px solid #16a34a;background:#f6fdf8;margin-left:min(48px,6vw)}
.msg.dong,.msg.mo_lai{background:#f8fafc}
.msg .meta{font-size:12.5px;color:#4b5563;display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:4px}
.msg .body{white-space:pre-wrap;overflow-wrap:anywhere}
.yc-dv{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:6px;max-height:420px;overflow:auto;padding:2px}
.yc-dv label{display:flex;gap:8px;align-items:flex-start;border:1px solid #e5e7eb;border-radius:8px;padding:6px 8px;min-width:0;font-weight:400}
.yc-dv label.chua-dat{border-color:#fecaca;background:#fff7f7}
.yc-dv input{margin-top:3px;flex:none}
.yc-form fieldset{border:1px solid #e5e7eb;border-radius:10px;padding:8px 12px;min-width:0}
.yc-form textarea{width:100%;max-width:100%}
label.chk{display:flex;gap:6px;align-items:center;font-weight:400}
.loi-text{color:var(--red)}
td.nowrap{white-space:nowrap}
.yc-dv label,label.chk{flex-direction:row;color:var(--ink,#1f2937);font-size:13.5px;text-align:left}label.chk{align-self:flex-start}label.chk input{width:auto;margin:0}.yc-dv label>span{min-width:0}
.nhan-xet{max-width:none}.sua-nx{margin:10px 0}.sua-nx summary{cursor:pointer;color:var(--tlu-blue,#1d4796);font-weight:600;display:inline-flex;gap:6px;align-items:center}.sua-nx textarea{width:100%}

/* chức năng, nhiệm vụ theo QĐ 2685 */
.cnnv-chon{margin:14px 0}.cnnv-chon select{max-width:100%}
.cnnv-qd{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--tlu-blue-l);border:1px solid #c7d6f3;border-radius:12px;padding:12px 14px;margin:10px 0}
.cnnv-cn ol{margin:6px 0 0;padding-left:22px}
.cnnv-khoan{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;margin:0 0 10px}
.cnnv-dau{display:flex;gap:12px;align-items:flex-start}
.cnnv-so{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border-radius:50%;background:var(--tlu-blue);color:#fff;font-weight:700;flex:none}
.cnnv-cc{margin-top:4px}.cnnv-cc code,.dc-tb td code{font-family:inherit;font-size:13.5px;white-space:normal;overflow-wrap:anywhere;background:#f1f5f9;padding:1px 6px;border-radius:6px}
.cnnv-khoan details{margin:8px 0 0 40px}.cnnv-khoan details summary{font-weight:500;font-size:14px;color:var(--tlu-blue);margin:0}
.cnnv-viec{list-style:none;margin:6px 0 0;padding:0}.cnnv-viec li{display:flex;gap:8px;padding:5px 0;border-top:1px dashed var(--line);font-size:14px}
.cnnv-diem{font-weight:700;color:var(--tlu-blue);min-width:34px;flex:none}
.dc-tb td.ok{color:var(--green)}.dc-tb td.thieu{color:var(--red);font-weight:600}
@media(max-width:600px){.cnnv-khoan details{margin-left:0}}
.a1a2{display:flex;align-items:stretch;gap:8px;margin:14px 0;flex-wrap:wrap}
.a1a2-o{flex:1 1 150px;display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px 12px}
.a1a2-o b{color:var(--tlu-blue);font-size:15px}.a1a2-o small{color:var(--mute);font-size:12.5px;line-height:1.35}
.a1a2-o.la-a1{border:2px solid var(--tlu-blue);background:var(--tlu-blue-l)}.a1a2-o.la-a2{border:2px solid #548235;background:#eef6e8}.a1a2-o.la-a2 b{color:#3a6b1f}
.a1a2-nhan{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;color:var(--mute)}
.a1a2-mui{display:flex;align-items:center;font-size:22px;font-weight:700;color:var(--mute)}
@media(max-width:700px){.a1a2{flex-direction:column;gap:4px}.a1a2-o{flex:0 0 auto}.a1a2-mui{justify-content:center;transform:rotate(90deg);height:18px}}
/* nút Đăng nhập bằng Email TLU – nút bấm nền đỏ TLU, gờ nổi, vầng sáng */
.ms-chinh{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;min-height:72px;padding:12px 16px;border-radius:14px;
  background:linear-gradient(180deg,#d32f2f 0%,var(--tlu-red) 100%);color:#fff;text-decoration:none;cursor:pointer;
  border:0;border-bottom:5px solid #7a1518;box-shadow:0 10px 24px rgba(168,31,34,.38);transition:transform .1s,box-shadow .1s,filter .1s;animation:sso-sang 2.4s ease-in-out infinite}
.ms-chinh:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 14px 30px rgba(168,31,34,.45);animation:none}
.ms-chinh:active{transform:translateY(3px);border-bottom-width:2px;box-shadow:0 4px 10px rgba(168,31,34,.35)}
.ms-chinh:focus-visible{outline:3px solid #f59e0b;outline-offset:3px}
.ms-chinh .ms-chu small{color:#ffe1e1}
@keyframes sso-sang{0%,100%{box-shadow:0 10px 24px rgba(168,31,34,.38),0 0 0 0 rgba(211,47,47,.5)}50%{box-shadow:0 10px 24px rgba(168,31,34,.38),0 0 0 9px rgba(211,47,47,0)}}
@media(prefers-reduced-motion:reduce){.ms-chinh{animation:none;transition:none}}
.ms-chinh.off{opacity:.5;pointer-events:none;box-shadow:none;animation:none}
@media(max-width:900px){.ms-chinh{gap:10px;padding:12px;justify-content:flex-start}}
.tai-them{margin:-4px 0 12px}.tai-them summary{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--mute);margin:0}.tai-them p{margin:8px 0 0;display:flex;flex-wrap:wrap;gap:8px}
/* khai báo chức năng, nhiệm vụ */
.kb-hop{border:1px solid var(--line);border-left:5px solid #b45309;border-radius:12px;background:#fff;padding:12px 14px;margin:12px 0;display:flex;flex-direction:column;gap:6px}
.kb-hop.kb-dat{border-left-color:var(--green)}.kb-hop.kb-sua{border-left-color:var(--red)}
.kb-dau{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.kb-nut{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.kb-xn{margin-top:6px;padding-top:8px;border-top:1px dashed var(--line)}
.kb-moi{display:flex;flex-direction:column;gap:8px;align-items:flex-start;border:2px dashed var(--tlu-blue);border-radius:12px;background:var(--tlu-blue-l);padding:14px;margin:12px 0}
.kb-form textarea{width:100%;min-height:340px;font:14px/1.5 ui-monospace,Consolas,monospace}
.kb-form .hang{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.kb-xem{border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px 14px;margin:10px 0}
.kb-xem li{margin:4px 0}.kb-xem .cach{color:var(--tlu-blue);font-size:13px}

/* ---------- Ví dụ mẫu (giả định) – Khoa CNTT – TLU ---------- */
.vd-hero{position:relative;background:linear-gradient(135deg,var(--tlu-blue-l),#fff 70%);border:1px solid #c7d6f5;border-radius:14px;padding:18px 20px 12px;margin:4px 0 14px}
.vd-hero h1{margin:4px 0 6px;padding-right:120px}
.vd-hero p{margin:0 0 8px;max-width:980px}
.vd-dong-dau{position:absolute;top:16px;right:18px;transform:rotate(6deg);border:3px solid var(--red);color:var(--red);font-weight:800;letter-spacing:2px;padding:4px 12px;border-radius:8px;background:#fff;font-size:15px}
.vd-nut{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.vd-muc{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;position:sticky;top:0;z-index:3;background:var(--bg,#f6f8fb);padding:6px 0}
.vd-muc a{display:inline-flex;align-items:center;gap:6px;padding:5px 10px 5px 5px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;text-decoration:none;color:inherit}
.vd-muc a:hover{border-color:var(--tlu-blue);color:var(--tlu-blue)}
.vd-muc a span,.vd-h span{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--tlu-blue);color:#fff;font-size:12px;font-weight:700}
.vd-h{display:flex;align-items:center;gap:10px;margin-top:28px;padding-top:6px;border-top:2px solid var(--tlu-blue-l);scroll-margin-top:52px}
.vd-h span{width:30px;height:30px;font-size:15px;flex:none}
.vd-ngu-canh{display:flex;gap:8px;align-items:flex-start;background:#f8fafc;border-left:4px solid var(--tlu-blue);padding:8px 12px;border-radius:0 8px 8px 0;font-size:14px;margin:6px 0 10px}
.vd-ngu-canh>.ic{color:var(--tlu-blue);flex:none;margin-top:2px}
.vd-the-hang{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:0 0 6px}
.vd-the{background:var(--card,#fff);border:1px solid var(--line);border-top:4px solid var(--tlu-blue);border-radius:10px;padding:10px 12px;box-shadow:var(--shadow)}
.vd-the small{display:block;color:var(--mute);font-size:12px}
.vd-the b{display:block;font-size:22px;line-height:1.3}
.vd-the span{font-size:12px;color:var(--mute)}
.vd-the.thieu{border-top-color:var(--red)}.vd-the.thieu b{color:var(--red)}
.vd-the.thua{border-top-color:var(--amber)}.vd-the.thua b{color:var(--amber)}
.vd-qd{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:4px;padding:20px 28px;max-width:900px;font-family:"Times New Roman",Times,serif;font-size:16px;line-height:1.5}
.vd-qd-dau{display:flex;justify-content:space-between;gap:16px;font-weight:700;font-size:14px;text-align:center}
.vd-qd-dau small{font-weight:700;text-decoration:underline}
.vd-qd-so{margin:8px 0;font-size:14px}
.vd-qd-ten{text-align:center;font-weight:700;margin:8px 0 12px}
.vd-qd-ten small{font-size:15px}
.vd-dieu{margin:10px 0 2px}.vd-doan{margin:2px 0;text-align:justify}
.vd-diem{list-style:none;padding-left:18px;margin:4px 0}.vd-diem li{margin:2px 0}
.vd-chi-tiet{margin:10px 0;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fff}
.vd-chi-tiet>summary{cursor:pointer;font-weight:600;display:flex;gap:6px;align-items:center}
.vd-chi-tiet table{margin-top:8px}
.vd-bang td{vertical-align:top}
.vd-hep{max-width:820px}
.nowrap{white-space:nowrap}
.vd-buoc-tinh{display:grid;gap:10px}
.vd-ct{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.vd-ct-so{flex:none;font-size:26px;line-height:1;color:var(--tlu-blue);font-weight:700}
.cong-thuc{margin:6px 0;padding:8px 12px;background:#0f172a;color:#e2e8f0;border-radius:8px;font-family:ui-monospace,Consolas,monospace;font-size:14px}
.vd-vi-du{margin-top:6px;font-size:14px;padding-left:10px;border-left:3px solid #fde68a}
.vd-so-lon{font-size:17px;color:var(--tlu-blue)}
.vd-tong td{background:#f1f5f9}
.vd-ket-luan{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;margin:8px 0 14px}
.vd-kl{border:1px solid var(--line);border-left:6px solid var(--green);border-radius:10px;padding:10px 12px;background:#fff}
.vd-kl.thieu{border-left-color:var(--red);background:var(--red-bg)}
.vd-kl.thua{border-left-color:var(--amber);background:var(--amber-bg)}
.vd-kl-dau{display:flex;justify-content:space-between;align-items:center;font-size:16px}
.vd-kl-dau span{font-weight:700}
.vd-kl.du .vd-kl-dau span{color:var(--green)}.vd-kl.thieu .vd-kl-dau span{color:var(--red)}.vd-kl.thua .vd-kl-dau span{color:var(--amber)}
.vd-kl-so{margin:4px 0;font-size:14px}
.vd-dong-thieu td{background:var(--red-bg)}.vd-dong-thua td{background:var(--amber-bg)}
.vd-tong-hop{margin:16px 0;padding:12px 16px;border:2px solid var(--tlu-blue);border-radius:12px;background:#fff}
.vd-tong-hop h3{display:flex;gap:6px;align-items:center;margin-top:0}
.vd-bai-hoc li{margin:6px 0}
@media (max-width:700px){.vd-hero h1{padding-right:0;margin-top:34px}.vd-qd{padding:14px}.vd-qd-dau{flex-direction:column}.vd-muc{position:static}}

/* =====================================================================
   LÀM MỚI GIAO DIỆN (09/11/2026): gọn, rõ, hiện đại, thích ứng điện thoại
   ===================================================================== */
:root{--r:12px;--r-sm:8px;--bg:#f3f6fb;--line:#e3e8f0;--ink:#172033;--mute:#5b6b82;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 2px 8px rgba(16,24,40,.04);--shadow-h:0 4px 10px rgba(16,24,40,.06),0 12px 28px rgba(16,24,40,.08);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--nav-h:48px}
body{font-family:var(--font);font-size:14.5px;line-height:1.55;-webkit-font-smoothing:antialiased;
  background:radial-gradient(1200px 400px at 100% -120px,#e6edfb 0,transparent 70%),var(--bg);background-attachment:fixed}
::selection{background:#c9d7f5}
:focus-visible{outline:3px solid #93b4f0;outline-offset:2px}
a{text-underline-offset:3px}

/* ---- đầu trang: một hàng trên máy tính ---- */
header.brandbar{flex-wrap:nowrap;gap:14px;padding:8px 20px;border-bottom:0;box-shadow:inset 0 -3px 0 var(--tlu-red)}
.brand img{height:44px}
.appname b{font-size:18px}
.gsearch{flex:1 1 320px;max-width:520px;border-radius:999px;padding:0 14px}
.gsearch input{padding:9px 0}
.moc{flex-wrap:nowrap;flex:none}
.pill{font-weight:600;padding:4px 10px;border:1px solid rgba(29,71,150,.12)}
.pill.soon{border-color:#fcd34d}.pill.late{border-color:#fca5a5}
.userbox summary{padding:3px 8px 3px 3px;border-radius:999px;border:1px solid transparent}
.userbox summary:hover,.userbox[open] summary{background:#f1f5fb;border-color:var(--line)}
.avatar{background:linear-gradient(135deg,#c62828,var(--tlu-red))}
.usermenu{top:48px;border-radius:14px;box-shadow:var(--shadow-h)}
.menu-btn{display:none}
.appname small{white-space:nowrap}
@media (max-width:1440px){.moc .pill:not(:first-child){display:none}.appname small{display:none}}
@media (max-width:1180px){.who{display:none}}

/* ---- menu chính: dính trên cùng khi cuộn, xuống dòng thay vì bị cắt ---- */
nav.mainnav{position:sticky;top:0;z-index:25;flex-wrap:wrap;padding:0 16px;gap:2px;
  background:linear-gradient(180deg,var(--tlu-blue),var(--tlu-blue-d));box-shadow:0 2px 10px rgba(15,42,92,.18)}
nav.mainnav a{padding:12px 12px;font-size:14px;border-bottom-width:3px;transition:background .15s,color .15s}
nav.mainnav a .ic{opacity:.85}
nav.mainnav a.on{border-bottom-color:#ffd166;background:rgba(255,255,255,.14)}
.vd-muc{top:var(--nav-h)}

/* ---- thanh xem thử, demo ---- */
.demobar{gap:10px;padding:6px 14px}
.xemthu-bar .btn{border-radius:999px}

/* ---- nội dung ---- */
main{padding:24px 24px 8px}
h1{font-size:23px;letter-spacing:-.2px;margin-bottom:16px}
h1 .ic{border-radius:12px;background:linear-gradient(135deg,#fde8e8,#fbd5d5)}
h2{font-size:17.5px;margin:28px 0 10px;letter-spacing:-.1px}
h2 .ic{width:28px;height:28px;padding:5px;box-sizing:border-box;background:var(--tlu-blue-l);border-radius:9px}
h3{font-size:15.5px;color:#0f2a5c}

/* thẻ số */
.cards{gap:14px}
.card{border-radius:14px;border-color:var(--line);transition:transform .15s,box-shadow .15s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h)}
.card .bubble{border-radius:12px}
.card .n{font-size:27px;letter-spacing:-.5px}
.card .l{line-height:1.35}
.card:has(.b-red){box-shadow:inset 4px 0 0 var(--red),var(--shadow)}
.card:has(.b-green){box-shadow:inset 4px 0 0 var(--green),var(--shadow)}
.card:has(.b-amber){box-shadow:inset 4px 0 0 var(--amber),var(--shadow)}
.card:has(.b-indigo){box-shadow:inset 4px 0 0 #4f46e5,var(--shadow)}

/* bảng */
table{border-radius:var(--r);font-size:14px}
th{background:#f4f7fc;color:#334155;font-size:12.5px;text-transform:none;letter-spacing:.1px}
th,td{padding:9px 12px}
table tr:hover td{background:#f8faff}
.tbl-wrap{border-radius:var(--r)}
.tbl-search,.tbl-filter select,.tbl-size select{border-radius:999px}
.pager .pg{border-radius:999px}

/* nút, ô nhập */
button,.btn{border-radius:10px;padding:8px 15px;font-weight:600;transition:background .15s,box-shadow .15s,transform .1s;box-shadow:0 1px 2px rgba(16,24,40,.08)}
button:hover,.btn:hover{box-shadow:0 4px 12px rgba(29,71,150,.22)}
button:active,.btn:active{transform:translateY(1px)}
.btn.ghost,button.ghost{box-shadow:none;border-color:#c7d3ea}
.btn.sm,button.sm{border-radius:8px;padding:5px 11px}
input,select,textarea{border-radius:10px;border-color:#cfd8e6;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--tlu-blue);box-shadow:0 0 0 3px var(--tlu-blue-l)}
.note{border-radius:var(--r);padding:12px 14px}
.tag{padding:3px 10px}
details>summary{transition:color .15s}

/* chân trang gọn */
footer{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 16px 26px;margin-top:28px;background:#fff;border-top:1px solid var(--line)}
footer img{width:28px;height:28px;margin:0}
footer .ft{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;color:#475569}
footer .ft-link{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
footer .ft-note{color:var(--mute);font-size:12px}

/* ---- máy tính bảng và điện thoại ---- */
@media (max-width:760px){
  :root{--nav-h:0px}
  header.brandbar{flex-wrap:wrap;gap:8px 8px;padding:8px 12px;position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
  .brand{order:1;flex:1 1 auto;min-width:0}
  .brand img{height:34px}
  .appname{padding-left:8px}.appname b{font-size:15px}
  .bell{order:2;width:36px;height:36px}
  .userbox{order:3;margin-left:0}
  .menu-btn{order:4;display:inline-flex;gap:6px;padding:7px 11px;border-radius:999px;font-size:13px}
  .gsearch{order:5;flex:1 1 0;min-width:0;max-width:none}
  .gsearch input{padding:7px 0;font-size:16px}
  .moc{order:6;width:auto;margin:0;overflow:visible}
  .moc .pill:not(:first-child){display:none}
  .pill-ngay{display:none}
  .avatar{width:32px;height:32px}
  nav.mainnav{display:none;position:sticky;top:var(--hdr-h,96px);z-index:29;max-height:calc(100vh - var(--hdr-h,96px));overflow:auto;padding:8px;gap:6px;grid-template-columns:1fr 1fr;
    background:#fff;box-shadow:0 12px 24px rgba(15,23,42,.15);border-bottom:1px solid var(--line)}
  body.mo-menu nav.mainnav{display:grid}
  nav.mainnav a{color:var(--ink);background:#f4f7fc;border:1px solid var(--line);border-radius:12px;padding:10px 12px;white-space:normal;font-size:13.5px}
  nav.mainnav a .ic{color:var(--tlu-blue);opacity:1}
  nav.mainnav a.on{background:var(--tlu-blue);color:#fff;border-color:var(--tlu-blue)}
  nav.mainnav a.on .ic{color:#fff}
  nav.mainnav a:hover{background:var(--tlu-blue-l);color:var(--ink)}
  nav.mainnav .so{background:var(--tlu-red);color:#fff}
  .demobar{font-size:12px;padding:5px 10px;gap:6px}
  .xemthu-bar>.ic{display:none}
  main{padding:16px 12px 6px}
  h1{font-size:19px;gap:8px}
  h2{font-size:16px;margin-top:22px}
  .card:hover{transform:none}
  footer{padding:16px 12px 20px}
}

/* ---- bảng dạng thẻ trên điện thoại (bang.js gắn lớp the-auto, nhãn data-nhan) ---- */
@media (max-width:640px){
  .tbl-wrap.co-the{overflow:visible;max-height:none;border:0;background:transparent!important;box-shadow:none}
  .tbl-wrap.co-the::after{display:none!important}
  .tbl-wrap.has-head>table.the-auto{min-width:0}
  table.the-auto{background:transparent;border:0;box-shadow:none;border-radius:0}
  table.the-auto,table.the-auto>tbody,table.the-auto>thead,table.the-auto tr,table.the-auto td{display:block;width:auto!important;min-width:0!important;max-width:none!important}
  table.the-auto tr.hang-dau{display:none}
  table.the-auto tr{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin:0 0 10px;box-shadow:var(--shadow)}
  table.the-auto tr:hover td{background:transparent}
  table.the-auto td{position:relative;padding:4px 0 4px 38%;min-height:1.6em;border:0;text-align:left;overflow-wrap:anywhere}
  table.the-auto td::before{content:attr(data-nhan);position:absolute;left:0;top:5px;width:35%;color:var(--mute);font-size:12px;font-weight:600;line-height:1.35}
  table.the-auto td[data-nhan=""]{padding-left:0}
  table.the-auto td[data-nhan=""]::before{display:none}
  table.the-auto td:first-child{display:block;font-weight:600;font-size:15px;padding:0 0 8px;min-height:0;margin-bottom:4px;border-bottom:1px dashed var(--line)}
  table.the-auto td:first-child::before{display:none}
  table.the-auto td:empty{display:none}
  table.the-auto td.num{text-align:left}
  table.the-auto td .bar{margin-top:6px}
  table.the-auto td code,table.the-auto .tag{white-space:normal}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.card-tt .n{margin:4px 0 2px}.card-tt .tag{font-size:14px;padding:5px 12px}
/* menu một dòng trên máy tính; hẹp thì cuộn ngang thay vì xuống dòng */
@media (min-width:761px){nav.mainnav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}nav.mainnav::-webkit-scrollbar{display:none}}
@media (min-width:761px) and (max-width:1240px){nav.mainnav a{padding:12px 9px;font-size:13.5px;gap:5px}}
@media (max-width:760px){.vd-muc{position:static}}
.vd-muc{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.vd-muc::-webkit-scrollbar{display:none}.vd-muc a{flex:none}