/* UHDChecker V12.1 — nhận diện Trường Đại học Hải Dương: xanh dương, vàng, trắng */
:root{
  --blue:#1a4fa3; --blue-700:#123c80; --blue-900:#0b2858; --blue-50:#eaf1fc; --blue-100:#d6e4fa;
  --yellow:#f6c100; --yellow-600:#d9a800; --yellow-50:#fff8dc;
  --bg:#f3f6fb; --surface:#ffffff; --surface-2:#f8fafd; --ink:#132238; --ink-2:#3c4c63; --muted:#66768c; --line:#e1e7f0; --line-2:#cdd6e3;
  --ok:#17804b; --ok-bg:#e3f5ea; --warn:#a15c00; --warn-bg:#fff2d6; --bad:#c42b21; --bad-bg:#fde8e6; --info-bg:var(--blue-50);
  --hl-exact:rgba(239,83,80,.30); --hl-near:rgba(246,193,0,.38); --hl-para:rgba(66,133,244,.26); --hl-cite:rgba(142,84,233,.26); --hl-evidence:rgba(23,128,75,.24);
  --hl-exact-b:#e5534b; --hl-near-b:#d9a800; --hl-para-b:#3b7be0; --hl-cite-b:#8e54e9; --hl-evidence-b:#17804b;
  --radius:14px; --radius-sm:10px; --shadow:0 1px 2px rgba(16,40,80,.05),0 4px 16px rgba(16,40,80,.06);
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif; --serif:"Times New Roman",Cambria,Georgia,serif;
  --side-w:250px; --top-h:76px;
}
:root[data-theme="dark"]{
  --blue:#6ea0f2; --blue-700:#9dbff7; --blue-900:#cfe0fb; --blue-50:#16233a; --blue-100:#1d3152; --yellow:#f2c22c; --yellow-50:#33290b;
  --bg:#0e141d; --surface:#151d29; --surface-2:#1a2331; --ink:#e7edf6; --ink-2:#c3cedc; --muted:#94a3b8; --line:#253145; --line-2:#334259;
  --ok:#5fd394; --ok-bg:#12301f; --warn:#f2b858; --warn-bg:#35270d; --bad:#ff8a80; --bad-bg:#3a1714; --shadow:none;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --blue:#6ea0f2; --blue-700:#9dbff7; --blue-900:#cfe0fb; --blue-50:#16233a; --blue-100:#1d3152; --yellow:#f2c22c; --yellow-50:#33290b;
  --bg:#0e141d; --surface:#151d29; --surface-2:#1a2331; --ink:#e7edf6; --ink-2:#c3cedc; --muted:#94a3b8; --line:#253145; --line-2:#334259;
  --ok:#5fd394; --ok-bg:#12301f; --warn:#f2b858; --warn-bg:#35270d; --bad:#ff8a80; --bad-bg:#3a1714; --shadow:none;}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--font)}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;color:var(--ink)}
h1{font-size:1.45rem} h2{font-size:1.15rem} h3{font-size:1rem}
a{color:var(--blue)} p{margin:.4em 0 .8em}
button,input,select,textarea{font:inherit;color:inherit}
svg.i{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- khung ---------- */
.app{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);grid-template-rows:var(--top-h) 1fr;min-height:100vh}
.topbar{grid-column:1/-1;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:22px;padding:0 24px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;min-width:0}
.brand img{width:62px;height:auto;flex:0 0 auto}
.brand .t1{font-weight:800;color:var(--blue-700);font-size:1.12rem;line-height:1.2}
.brand .t1 .short{display:none}
.brand .t2{font-size:.82rem;color:var(--muted);margin-top:2px}
.search{flex:1;max-width:560px;margin-left:auto;position:relative}
.search input,.search input[type=search]{width:100%;padding:11px 70px 11px 42px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface-2)}
.search>svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font:600 .75rem var(--font);color:var(--muted);background:var(--surface);border:1px solid var(--line-2);border-radius:6px;padding:2px 7px}
.search .drop{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;max-height:60vh;overflow:auto}
.search .drop button{display:flex;width:100%;text-align:left;gap:10px;align-items:center;background:none;border:0;padding:9px 10px;border-radius:8px;cursor:pointer}
.search .drop button:hover,.search .drop button:focus{background:var(--blue-50);outline:none}
.userchip{position:relative;margin-left:8px}
.userchip>button{display:flex;align-items:center;gap:10px;background:none;border:0;cursor:pointer;padding:6px 8px;border-radius:12px}
.userchip>button:hover{background:var(--surface-2)}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue-700));color:#fff;display:grid;place-items:center;font-weight:700;letter-spacing:.5px}
.userchip .nm{font-weight:700;text-align:left;line-height:1.2}
.userchip .rl{font-size:.8rem;color:var(--muted);text-align:left}
.menu{position:absolute;right:0;top:calc(100% + 6px);min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:40}
.menu button{display:flex;gap:10px;align-items:center;width:100%;background:none;border:0;padding:9px 10px;border-radius:8px;cursor:pointer;text-align:left}
.menu button:hover{background:var(--blue-50)}
.hamb{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}

.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:var(--top-h);height:calc(100vh - var(--top-h));overflow:auto}
.sidebar .nav-i{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:12px;color:var(--ink-2);text-decoration:none;font-weight:600;border:0;background:none;cursor:pointer;width:100%;text-align:left}
.sidebar .nav-i:hover{background:var(--blue-50);color:var(--blue-700)}
.sidebar .nav-i[aria-current="page"]{background:var(--blue);color:#fff;box-shadow:0 6px 14px rgba(26,79,163,.25)}
.sidebar .sec{font-size:.74rem;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin:16px 16px 4px;font-weight:700}
.sidebar .sub{padding-left:26px}
.sidebar .nav-i .chev{margin-left:auto;transition:transform .2s}
.sidebar .nav-i[aria-expanded="true"] .chev{transform:rotate(90deg)}
.sidebar .foot{margin-top:auto;padding:18px 10px 6px;text-align:center;color:var(--blue-700)}
.sidebar .foot .sch{font-family:var(--serif);font-weight:700;letter-spacing:.2px;font-size:.8rem;white-space:nowrap}
.sidebar .foot .ln{height:3px;width:60%;margin:8px auto 0;background:var(--yellow);border-radius:2px}
.content{padding:22px 26px 60px;min-width:0}

/* ---------- thành phần ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
.card>h2:first-child,.card>h3:first-child{margin-top:0}
.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1 1 240px}
.muted{color:var(--muted)} .small{font-size:.86rem}
label{display:block;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=password],input[type=number],input[type=search],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface)}
textarea{min-height:84px;resize:vertical}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:1px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid var(--blue);background:var(--blue);color:#fff;cursor:pointer;font-weight:600;text-decoration:none;line-height:1.2}
.btn:hover{filter:brightness(1.07)} .btn:disabled{opacity:.5;cursor:not-allowed}
.btn.secondary{background:var(--surface);color:var(--blue-700);border-color:var(--line-2)}
.btn.secondary:hover{border-color:var(--blue);background:var(--blue-50)}
.btn.yellow{background:var(--yellow);border-color:var(--yellow);color:#1c1a10}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.small{padding:6px 11px;font-size:.86rem}
.btn.icon{padding:8px;border-radius:9px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--line-2);border-radius:999px;cursor:pointer;background:var(--surface);user-select:none;font-weight:500}
.chip input{margin:0} .chip.on{border-color:var(--blue);background:var(--blue-50);color:var(--blue-700)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:.76rem;font-weight:700;white-space:nowrap}
.b-ok{background:var(--ok-bg);color:var(--ok)} .b-warn{background:var(--warn-bg);color:var(--warn)} .b-bad{background:var(--bad-bg);color:var(--bad)}
.b-info{background:var(--blue-50);color:var(--blue-700)} .b-mute{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.b-yellow{background:var(--yellow-50);color:#7a5d00}
.notice{padding:12px 14px;border-radius:10px;margin:10px 0;border:1px solid}
.notice.warn{background:var(--warn-bg);border-color:#f0c873} .notice.bad{background:var(--bad-bg);border-color:#f1aaa4}
.notice.info{background:var(--info-bg);border-color:var(--blue-100)} .notice.ok{background:var(--ok-bg);border-color:#9fd8b6}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.76rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:11px 18px;border-radius:10px;z-index:80;max-width:90vw;box-shadow:var(--shadow)}
details{margin:8px 0} summary{cursor:pointer;font-weight:600}
.checks label{display:flex;gap:8px;align-items:center;font-weight:400;margin:4px 0}
.checks input{width:auto}
.quote{border-left:3px solid var(--line-2);padding:2px 0 2px 12px;margin:6px 0;color:var(--ink-2);font-family:var(--serif);font-size:.98rem}
.src{word-break:break-all;font-size:.86rem}
.kv{display:grid;grid-template-columns:minmax(130px,auto) 1fr;gap:6px 14px;margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
.progress{height:10px;background:var(--line);border-radius:99px;overflow:hidden}.progress>div{height:100%;background:linear-gradient(90deg,var(--blue),#3d7be0);transition:width .4s}
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.pagehead{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.pagehead h1{margin:0}.pagehead .grow{flex:1;min-width:220px}

/* ---------- banner Dashboard ---------- */
.hero{position:relative;overflow:hidden;border-radius:18px;padding:30px 34px;margin-bottom:18px;color:var(--blue-900);
  background:linear-gradient(110deg,#ffffff 0%,#f2f7ff 48%,#dbe8fb 100%);border:1px solid var(--line)}
:root[data-theme="dark"] .hero{background:linear-gradient(110deg,#162238,#14223a 55%,#1b3158)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero{background:linear-gradient(110deg,#162238,#14223a 55%,#1b3158)}}
.hero::after{content:"";position:absolute;right:-70px;top:-10%;width:230px;height:120%;transform:skewX(-16deg);
  background:linear-gradient(90deg,var(--yellow) 0 13%,transparent 13% 19%,var(--blue) 19% 100%);pointer-events:none}
.hero .wm{position:absolute;right:250px;top:50%;transform:translateY(-50%);width:170px;opacity:.13;pointer-events:none}
.hero h1{font-size:2rem;font-weight:800;color:var(--blue-900);max-width:62%;position:relative;z-index:1}
.hero p{max-width:58%;color:var(--ink-2);font-size:1.02rem;position:relative;z-index:1}
.hero .acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1;max-width:72%}
.act{display:flex;align-items:center;gap:12px;padding:12px 18px;border-radius:12px;border:1px solid var(--blue-100);background:var(--surface);cursor:pointer;text-align:left;color:var(--blue-700);min-width:190px;box-shadow:var(--shadow)}
.act:hover{border-color:var(--blue)}
.act b{display:block;color:var(--blue-700)} .act span{font-size:.78rem;color:var(--muted)}
.act.primary{background:var(--yellow);border-color:var(--yellow-600);color:#1c1a10}.act.primary b,.act.primary span{color:#1c1a10}

/* ---------- thẻ thống kê ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow);cursor:default}
.stat[role="button"]{cursor:pointer}.stat[role="button"]:hover{border-color:var(--blue)}
.stat .ic{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto}
.stat .ic svg{width:26px;height:26px}
.stat .lb{color:var(--ink-2);font-weight:600;font-size:.92rem}
.stat .v{font-size:1.65rem;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;margin:2px 0}
.stat .v small{font-size:.95rem;font-weight:600;color:var(--muted)}
.stat .n{font-size:.8rem;color:var(--muted)}
.stat.na .v{font-size:1.1rem;color:var(--muted)}
.ic-red{background:#fdeceb;color:#d83a2e}.ic-green{background:#e3f5ea;color:#17804b}.ic-yellow{background:#fff3cc;color:#c99200}.ic-blue{background:var(--blue-50);color:var(--blue)}
.delta{font-weight:700}.delta.up{color:var(--ok)}.delta.down{color:var(--bad)}.delta.flat{color:var(--muted)}

/* ---------- không gian làm việc: tài liệu + kết quả ---------- */
.ws{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:18px;align-items:start}
.ws-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}
.ws-main:fullscreen{border-radius:0;overflow:auto;padding-bottom:20px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);padding:0 12px;overflow-x:auto}
.tabs button{display:flex;align-items:center;gap:8px;background:none;border:0;padding:15px 16px;cursor:pointer;color:var(--ink-2);font-weight:600;border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--blue-700);border-bottom-color:var(--blue);background:var(--blue-50);border-radius:10px 10px 0 0}
.tabs .cnt{font-size:.72rem;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:0 7px;color:var(--muted)}
.dochead{display:flex;align-items:center;gap:14px;padding:16px 18px;flex-wrap:wrap}
.dochead .fi{width:42px;height:50px;border-radius:7px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:.7rem;flex:0 0 auto}
.fi.pdf{background:#e2453c}.fi.docx{background:#2b6cd6}.fi.txt{background:#6b7a90}
.dochead .nm{font-weight:700;word-break:break-word}
.dochead .meta{font-size:.82rem;color:var(--muted)}
.dochead .grow{flex:1;min-width:200px}
.viewer{margin:0 18px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);overflow:hidden}
.vbar{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.vbar .grp{display:flex;align-items:center;gap:4px;border:1px solid var(--line-2);border-radius:10px;padding:2px}
.vbar .grp button{background:none;border:0;padding:6px 9px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:600;font-size:.86rem}
.vbar .grp button:hover:not(:disabled){background:var(--blue-50)}
.vbar .grp button[aria-pressed="true"]{background:var(--blue);color:#fff}
.vbar .grp button:disabled{opacity:.4;cursor:default}
.vbar .lbl{min-width:64px;text-align:center;font-variant-numeric:tabular-nums;font-size:.88rem}
.vbar .sp{flex:1}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.8rem;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--surface)}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:14px;height:14px;border-radius:3px;display:inline-block}
.pagewrap{position:relative;max-height:78vh;overflow:auto;padding:20px;display:flex;justify-content:center}
.viewer{scroll-margin-top:calc(var(--top-h) + 10px)}
.ws-main:fullscreen .pagewrap{max-height:none}
.page{position:relative;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.18);flex:0 0 auto}
.page img{display:block;width:100%;height:100%;user-select:none}
.page .hl{position:absolute;border-radius:2px;cursor:pointer;mix-blend-mode:multiply}
.page .hl.sel{outline:2px solid var(--blue-900);outline-offset:1px;animation:pulse 1.2s ease 2}
@keyframes pulse{50%{outline-color:var(--yellow)}}
.hl.exact,mark.exact{background:var(--hl-exact)} .hl.near,mark.near{background:var(--hl-near)} .hl.para,mark.para{background:var(--hl-para)}
.hl.cite,mark.cite{background:var(--hl-cite)} .hl.evidence,mark.evidence{background:var(--hl-evidence)}
.pageloading{display:grid;place-items:center;color:#556;font-size:.9rem;position:absolute;inset:0}
.doctext{position:relative;font-family:var(--serif);font-size:1.04rem;line-height:1.8;white-space:pre-wrap;padding:24px 30px;max-height:78vh;overflow:auto;background:var(--surface)}
.ws-main:fullscreen .doctext{max-height:none}
mark{color:inherit;padding:1px 0;border-radius:2px;cursor:pointer}
mark.sel{outline:2px solid var(--blue-900);outline-offset:1px}

.ws-side{position:sticky;top:calc(var(--top-h) + 14px);max-height:calc(100vh - var(--top-h) - 28px);overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.ws-side h2{display:flex;align-items:center;gap:10px;font-size:1.12rem;color:var(--blue-700)}
.ws-side h2 .badge{margin-left:auto}
.ws-side h3{display:flex;align-items:center;gap:8px;margin-top:16px}
.ws-side ul{margin:6px 0 4px;padding-left:20px} .ws-side li{margin:4px 0}
.sum{display:flex;gap:14px;background:var(--blue-50);border-radius:12px;padding:14px}
.sum .ic{width:46px;height:46px;border-radius:50%;background:var(--surface);display:grid;place-items:center;color:var(--blue);flex:0 0 auto}
.good h3{color:var(--ok)} .care h3{color:var(--warn)} .reco h3{color:var(--blue-700)}
.care li::marker{color:var(--warn)} .good li::marker{color:var(--ok)}
.care li button{display:inline;background:none;border:0;padding:0;text-align:left;cursor:pointer;color:inherit;font:inherit}
.itemlist button.it{text-align:left;cursor:pointer;color:inherit;font:inherit}
.care li button:hover{color:var(--blue-700);text-decoration:underline}
.usage{margin-top:16px;background:var(--blue-50);border-radius:12px;padding:12px 14px;font-size:.88rem}
.usage b{display:flex;gap:8px;align-items:center;color:var(--blue-700)}
.detail{border:1px solid var(--blue-100);background:var(--surface-2);border-radius:12px;padding:12px 14px;margin-bottom:14px}
.detail .x{float:right;background:none;border:0;cursor:pointer;color:var(--muted)}
.itemlist{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.itemlist .it{display:block;width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--surface)}
.itemlist .it:hover{border-color:var(--blue);background:var(--blue-50)}
.itemlist .it.sel{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-100)}
.itemlist .it .t{font-size:.9rem;margin-top:4px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.swatch{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:middle}
.crit{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.crit header{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.crit .score{font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- Đánh giá mới ---------- */
.dropzone{border:2px dashed var(--line-2);border-radius:var(--radius);padding:36px 16px;text-align:center;cursor:pointer;background:var(--surface-2)}
.dropzone:hover,.dropzone.over{border-color:var(--blue);background:var(--blue-50)}
.dropzone strong{display:block;font-size:1.1rem;color:var(--blue-700)}
.preset{padding:8px 13px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);cursor:pointer}
.preset:hover,.preset.on{border-color:var(--blue);background:var(--blue-50)}
.steps h2{display:flex;align-items:center;gap:10px}
.steps h2 .n{width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:.9rem}

/* ---------- đăng nhập ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(140deg,var(--blue-50),var(--bg) 60%)}
.login form{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.login .lg{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;margin-bottom:12px}
.login .lg img{width:92px}
.login .lg .t1{font-weight:800;color:var(--blue-700);font-size:1.15rem}
.login .lg .t2{color:var(--muted);font-size:.86rem}
.login .bar{height:4px;background:linear-gradient(90deg,var(--blue) 0 70%,var(--yellow) 70%);border-radius:3px;margin:6px 0 10px}

/* ---------- Rubric editor ---------- */
.gedit{border:1px solid var(--line);border-radius:12px;padding:12px;margin:10px 0;background:var(--surface-2)}
.cedit{display:grid;grid-template-columns:70px minmax(0,1fr) 80px 120px auto;gap:8px;margin:8px 0;align-items:start}
.cedit textarea{grid-column:2/5;min-height:54px}

/* ---------- đáp ứng ---------- */
@media (max-width:1280px){.ws{grid-template-columns:minmax(0,1fr) 340px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1060px){.ws{grid-template-columns:1fr}.ws-side{position:static;max-height:none}.hero h1,.hero p,.hero .acts{max-width:100%}.hero::after,.hero .wm{display:none}}
@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .hamb{display:block}
  .sidebar{position:fixed;left:0;top:var(--top-h);bottom:0;width:270px;height:auto;z-index:35;transform:translateX(-105%);transition:transform .2s;box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .search{display:none}
  .brand .t2{display:none}
  .userchip .nm,.userchip .rl{display:none}
  .content{padding:16px 16px 50px}
}
@media (max-width:560px){.brand .t1 .long{display:none}.brand .t1 .short{display:inline}.act{width:100%}.stats{grid-template-columns:1fr}.brand img{width:46px}.brand .t1{font-size:.92rem}.topbar{gap:10px;padding:0 12px}.hero{padding:22px 18px}.hero h1{font-size:1.5rem}.cedit{grid-template-columns:1fr 1fr}.cedit textarea{grid-column:1/-1}.kv{grid-template-columns:1fr}}
@media print{.topbar,.sidebar,.tabs,.vbar,.btn{display:none}.app{display:block}}