/* Trung tâm CLC – nhận diện đỏ Bách khoa, bố cục bảng điều khiển hành chính */
:root{
  --bg:#f6f5f5; --surface:#fff; --sunk:#f1eded; --ink:#1d1a1b; --muted:#675d5f; --line:#e3dbdb;
  --brand:#b31b23; --brand-deep:#8c1219; --brand-soft:#fbe7e7; --gold:#f3c107;
  --ok:#1e7a46; --ok-soft:#dff2e7; --warn:#a86400; --warn-soft:#fbeed6; --bad:#b42318; --bad-soft:#fde4e1;
  --info:#2a6fc4; --info-soft:#e6f0fb;
  --f:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  --r:8px; --shadow:0 1px 2px rgba(40,10,12,.06),0 6px 20px rgba(40,10,12,.06);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:14px/1.5 var(--f);-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}

/* Đầu trang */
.uni{background:var(--brand-deep);color:#fff;font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.uni .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:5px;flex-wrap:wrap;opacity:.92}
header.top{background:var(--brand);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 var(--brand-deep)}
.bar{display:flex;align-items:center;gap:14px;padding-block:9px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;margin-right:6px}
.brand .mark{width:36px;height:36px;border-radius:6px;background:#fff;color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:13px}
.brand b{display:block;font-size:16px;font-weight:800;line-height:1.15}
.brand span{font-size:11.5px;opacity:.85}
nav.main{display:flex;gap:2px;flex-wrap:wrap;flex:1}
nav.main a,.dd>button{color:#fff;text-decoration:none;padding:7px 9px;font-size:13.5px;border-radius:6px;font-weight:500;opacity:.9;background:none;border:0;font:inherit;cursor:pointer;white-space:nowrap}
nav.main a:hover,.dd>button:hover,.dd:focus-within>button{background:rgba(255,255,255,.16);opacity:1}
nav.main a.on{background:#fff;color:var(--brand);opacity:1;font-weight:700}
.badge{display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:var(--gold);color:#3a2a00;font-size:11.5px;font-weight:800;margin-left:4px}
.dd{position:relative}
.dd .menu{display:none;position:absolute;top:100%;left:0;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:200px;padding:6px;z-index:30}
.dd:hover .menu,.dd:focus-within .menu{display:block}
.dd .menu a{display:block;color:var(--ink);padding:7px 10px;border-radius:6px;opacity:1}
.dd .menu a:hover{background:var(--sunk)}
.who{display:flex;align-items:center;gap:8px;font-size:12.5px;margin-left:auto;flex-wrap:wrap;justify-content:flex-end}
.who .r{background:rgba(255,255,255,.16);padding:2px 9px;border-radius:999px}
.who a{color:#fff}
.who form{display:inline}
.who button{background:none;border:0;color:#fff;text-decoration:underline;cursor:pointer;font:inherit;padding:0}

main.wrap{padding-top:22px;padding-bottom:60px}
h1,h2,h3{margin:0;line-height:1.25;text-wrap:balance}
h1{font-size:22px;border-left:4px solid var(--brand);padding-left:10px}
h2{font-size:16px}
.sub,.muted{color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sp{flex:1}
.stack{display:flex;flex-direction:column;gap:16px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.g2,.g3{grid-template-columns:minmax(0,1fr)}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;text-decoration:none;color:inherit}
.kpi .v{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.kpi .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.kpi.hl{border-top:3px solid var(--brand)}
a.kpi:hover{border-color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);min-width:0}
.panel>.h{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel>.b{padding:14px 16px}
.panel>.b.flush{padding:0}
.empty{padding:22px;text-align:center;color:var(--muted)}

.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:7px 14px;border-radius:7px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.pri:hover{background:var(--brand-deep)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.warn{color:var(--warn);border-color:var(--warn)}
.btn.bad{color:var(--bad);border-color:var(--bad)}
.btn.sm{padding:4px 10px;font-size:12.5px}

table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
th,td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;background:var(--sunk);white-space:nowrap}
td.n,th.n{text-align:right}
tbody tr:hover td{background:#fbf9f9}
.tw{overflow-x:auto}

.pill{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.st-NHAP,.st-NHAP2{background:var(--sunk);color:var(--muted)}
.st-CHO{background:var(--info-soft);color:var(--info)}
.st-TRALAI{background:var(--warn-soft);color:var(--warn)}
.st-DUYET{background:var(--ok-soft);color:var(--ok)}
.st-HUY{background:var(--bad-soft);color:var(--bad)}

/* Tiến trình bước duyệt */
.steps{display:flex;gap:0;flex-wrap:wrap;margin:4px 0}
.step{flex:1 1 160px;position:relative;padding:10px 12px 10px 40px;border:1px solid var(--line);background:var(--surface);min-width:0}
.step:first-child{border-radius:8px 0 0 8px}
.step:last-child{border-radius:0 8px 8px 0}
.step+.step{border-left:0}
.step .dot{position:absolute;left:10px;top:11px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:12px;background:var(--sunk);color:var(--muted)}
.step b{display:block;font-size:13px}
.step small{display:block;color:var(--muted);font-size:12px}
.step.DUYET .dot{background:var(--ok);color:#fff}
.step.YK .dot{background:var(--gold);color:#3a2a00}
.step.TRALAI .dot{background:var(--warn);color:#fff}
.step.HUY .dot{background:var(--bad);color:#fff}
.step.BOQUA .dot{background:var(--line);color:var(--muted)}
.step.now{box-shadow:inset 0 -3px 0 var(--brand);background:var(--brand-soft)}
.step.now .dot{background:var(--brand);color:#fff}

.kv{display:grid;grid-template-columns:150px minmax(0,1fr);gap:6px 14px}
.kv dt{color:var(--muted)} .kv dd{margin:0}
.thread{display:flex;flex-direction:column;gap:10px}
.msg{border-left:3px solid var(--line);padding:4px 0 4px 12px}
.msg .m{font-size:12px;color:var(--muted)}
.msg.duyet{border-color:var(--ok)} .msg.tralai{border-color:var(--warn)} .msg.huy{border-color:var(--bad)} .msg.yk{border-color:var(--gold)}

form .fld{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
form label{font-weight:600;font-size:13px;color:var(--muted)}
input[type=text],input[type=date],input[type=number],input[type=password],input[type=search],input[type=email],input[type=tel],input[type=time],select,textarea,input[type=file]{font:inherit;color:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:var(--surface);min-width:0;max-width:100%}
textarea{width:100%;resize:vertical}
.errorlist{color:var(--bad);margin:2px 0;padding-left:18px;font-size:13px}
.helptext{font-size:12px;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end}
.decide{display:grid;gap:10px}
.decide textarea{min-height:70px}

.msgs{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:6px}
.msgs li{padding:9px 14px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}
.msgs .success{background:var(--ok-soft);border-color:transparent;color:var(--ok)}
.msgs .error{background:var(--bad-soft);border-color:transparent;color:var(--bad)}
.msgs .warning{background:var(--warn-soft);border-color:transparent;color:var(--warn)}
.alert{padding:10px 14px;border-radius:8px;background:var(--warn-soft);color:#5a3a00;border:1px solid #f0d6a8}
.alert b{color:var(--warn)}

/* Lịch phòng */
table.cal{table-layout:fixed;min-width:1100px;font-size:11.5px}
table.cal th,table.cal td{padding:3px;border:1px solid var(--line);text-align:center}
table.cal td.rm{font-weight:700;background:var(--sunk);white-space:nowrap;width:78px}
.c{display:block;border-radius:4px;padding:2px 3px;margin:1px 0;line-height:1.15;font-size:10.5px;overflow-wrap:anywhere;word-break:break-word}
.c.lop{background:#e6f0fb;color:#1d4f8f}
.c.dat{background:#fbeed6;color:#7a4a00}
.c.thi{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.legend{display:flex;gap:14px;font-size:12.5px;flex-wrap:wrap}
.legend .c{display:inline-block}

/* Đăng nhập */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,var(--brand) 0 38%,var(--bg) 38%)}
.login .card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);width:min(420px,calc(100% - 32px));padding:28px}
.login .card .t{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.login .card h1{border:0;padding:0;color:var(--brand);font-size:20px;margin:6px 0 18px}
.login input{width:100%}
footer.foot{border-top:3px solid var(--brand);background:var(--surface);font-size:12px;color:var(--muted)}
footer.foot .wrap{padding-block:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.diff{font-size:12.5px;margin:0;padding-left:16px}
.diff del{color:var(--bad)} .diff ins{color:var(--ok);text-decoration:none}
@media print{header.top,.uni,footer.foot,.noprint{display:none!important}}

/* ---- Lịch trực quan theo khung giờ ---- */
:root{--c-lop:#2a6fc4;--c-thi:#b31b23;--c-NB:#a86400;--c-MUON:#1e7a46;--c-THUE:#7a3fb0}
.legend2{display:flex;gap:12px;flex-wrap:wrap;font-size:12.5px;align-items:center}
.legend2 i{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:-2px;margin-right:4px}
.k-lop{--c:var(--c-lop)}.k-thi{--c:var(--c-thi)}.k-NB{--c:var(--c-NB)}.k-MUON{--c:var(--c-MUON)}.k-THUE{--c:var(--c-THUE)}
.legend2 i.k-lop,.legend2 i.k-thi,.legend2 i.k-NB,.legend2 i.k-MUON,.legend2 i.k-THUE{background:var(--c)}
.legend2 i.cho{background:repeating-linear-gradient(45deg,#fff 0 3px,#999 3px 5px);border:1px dashed #777}
.tl{position:relative;min-width:980px}
.tl-head{display:grid;grid-template-columns:110px 1fr;position:sticky;top:0;background:var(--surface);z-index:3;border-bottom:1px solid var(--line)}
.tl-axis{position:relative;height:26px}
.tl-axis span{position:absolute;top:5px;transform:translateX(-50%);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.tl-row{display:grid;grid-template-columns:110px 1fr;border-bottom:1px solid var(--line);min-height:44px}
.tl-row:hover{background:#fcfafa}
.tl-name{padding:6px 10px;font-weight:700;font-size:13px;border-right:1px solid var(--line);background:var(--sunk)}
.tl-name small{display:block;font-weight:400;color:var(--muted);font-size:11px}
.tl-track{position:relative;cursor:copy}
.tl-track .grid-h{position:absolute;top:0;bottom:0;border-left:1px dashed #eee}
.tl-track .khung{position:absolute;top:0;bottom:0;background:rgba(0,0,0,.018)}
.ev{position:absolute;border-radius:5px;padding:2px 6px;font-size:11.5px;line-height:1.25;color:#fff;background:var(--c);overflow:hidden;
    box-shadow:0 1px 2px rgba(0,0,0,.2);text-decoration:none;cursor:pointer;border:1px solid rgba(0,0,0,.08)}
.ev b{display:block;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.92;font-size:11px}
.ev.cho{color:var(--c);background:repeating-linear-gradient(45deg,#fff 0 4px,color-mix(in srgb,var(--c) 18%,#fff) 4px 8px);
        border:1.5px dashed var(--c)}
.ev:hover{z-index:5;box-shadow:0 3px 12px rgba(0,0,0,.25)}
.vach-gio{position:absolute;top:0;bottom:0;width:2px;background:var(--brand);z-index:4}
.vach-gio::before{content:"";position:absolute;top:-4px;left:-4px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
/* Thời khóa biểu tuần */
.wk{display:grid;grid-template-columns:56px repeat(7,minmax(120px,1fr));min-width:940px}
.wk-h{position:sticky;top:0;z-index:3;background:var(--surface);border-bottom:1px solid var(--line);padding:6px;text-align:center;font-weight:700;font-size:13px}
.wk-h.today{color:var(--brand);box-shadow:inset 0 -3px 0 var(--brand)}
.wk-h small{display:block;font-weight:400;color:var(--muted)}
.wk-axis{position:relative;border-right:1px solid var(--line)}
.wk-axis span{position:absolute;right:6px;transform:translateY(-50%);font-size:11px;color:var(--muted)}
.wk-col{position:relative;border-right:1px solid var(--line);height:900px;cursor:copy}
.wk-col .grid-v{position:absolute;left:0;right:0;border-top:1px dashed #eee}
.wk-col .ev{left:3px;right:3px}
.wk-col .ev span{white-space:normal}
.tip-ev{position:fixed;z-index:50;background:#1d1a1b;color:#fff;padding:8px 10px;border-radius:7px;font-size:12.5px;max-width:320px;pointer-events:none;display:none}
.nhan-grid{display:grid;grid-template-columns:repeat(3,63.5mm);grid-auto-rows:38mm;gap:0 2.5mm;justify-content:center}
.nhan{border:1px dashed #bbb;display:grid;grid-template-columns:30mm 1fr;align-items:center;padding:2mm;gap:2mm;overflow:hidden;break-inside:avoid}
.nhan svg{width:30mm;height:30mm;display:block}
.nhan .t{font-size:8.5pt;line-height:1.25}
.nhan .t b{display:block;font-size:10pt;font-family:monospace;letter-spacing:-.02em}
.nhan .t small{display:block;color:#555;font-size:7.5pt}
@media print{body{background:#fff}main.wrap{padding:0;max-width:none}.nhan{border-color:#eee}@page{size:A4;margin:8mm}}