*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#1F3864; --navy2:#2E74B5; --cam:#BF4E14; --cam2:#BF4E14;
  --nen:#EEF2F7; --vien:#DDE5F0; --chu:#1F3864; --mo:#8494AC;
  --xanh:#2F8F4E; --do:#A03027; --vang:#BF4E14;
  --xnhat:#D9E1F2; --xsang:#BDE0FF; --cnhat:#FDF1EA; --lnhat:#E2EFDA; --vnhat:#FDF1EA;
  --sb:248px; --tb:60px;
}
body{font-family:"Segoe UI",system-ui,-apple-system,sans-serif;background:var(--nen);color:var(--chu);
  font-size:14px;-webkit-font-smoothing:antialiased;line-height:1.45}

/* ══ KHUNG ══ */
#app{display:grid;grid-template-columns:var(--sb) 1fr;min-height:100vh}
aside{background:#fff;border-right:1px solid var(--vien);display:flex;flex-direction:column;
  position:fixed;top:0;bottom:0;width:var(--sb);z-index:40}
.brand{display:flex;align-items:center;gap:11px;padding:16px 18px;border-bottom:1px solid var(--vien)}
.brand img{width:38px;height:38px;object-fit:contain}
.brand b{font-size:15px;color:var(--navy);letter-spacing:.2px;display:block;line-height:1.2}
.brand small{font-size:9.5px;color:var(--mo);letter-spacing:1.3px;text-transform:uppercase}
.co{margin:14px 14px 6px;background:linear-gradient(135deg,#2E74B5,#4E93CE);border-radius:14px;
  padding:11px 13px;color:#fff;display:flex;align-items:center;gap:10px}
.co .ch{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;
  place-items:center;font-weight:800;font-size:12px;flex-shrink:0}
.co b{font-size:13px;display:block;line-height:1.25}
.co small{font-size:11px;opacity:.85}
.nhom{font-size:10px;font-weight:700;color:var(--mo);letter-spacing:1.2px;
  padding:16px 20px 7px;text-transform:uppercase}
aside a{display:flex;align-items:center;gap:11px;padding:9px 14px;margin:2px 12px;color:#4A5670;
  font-size:13.5px;cursor:pointer;text-decoration:none;border-radius:12px;transition:.12s}
aside a:hover{background:#F4F7FC;color:var(--navy)}
aside a.on{background:var(--xnhat);color:var(--navy);font-weight:600}
aside a .ic{width:17px;text-align:center;opacity:.7;font-size:14px}
aside a.on .ic{opacity:1}
aside a .sl{margin-left:auto;background:var(--cam);color:#fff;font-size:10.5px;font-weight:700;
  border-radius:12px;padding:1px 7px;min-width:19px;text-align:center}
.mnu{flex:1;overflow-y:auto;padding-bottom:8px}
/* Ngân hàng đề: Cấu trúc là mục con ở thanh dọc */
aside a.nhd-side-sub{margin:3px 12px 3px 30px;padding:8px 12px;width:calc(100% - 42px);font-size:12.5px;border-left:2px solid var(--vien);border-radius:9px;background:#F8FAFD;color:#65728A}
aside a.nhd-side-sub:hover{background:#EEF3FA;color:var(--navy);border-left-color:var(--navy2)}
aside a.nhd-side-sub.on{background:#EAF1FB;color:var(--navy);font-weight:700;border-left-color:var(--navy2)}
aside a.nhd-side-sub .ic{font-size:12px;width:14px}
.duoi{border-top:1px solid var(--vien);padding:8px 0;flex-shrink:0}
.dbar{padding:9px 18px 12px}
.dbar .t{display:flex;justify-content:space-between;font-size:9.5px;color:var(--mo);
  letter-spacing:.6px;text-transform:uppercase;margin-bottom:5px}
.dbar .th{height:3px;background:var(--vien);border-radius:2px;overflow:hidden}
.dbar .th i{display:block;height:100%;background:var(--navy2);border-radius:2px}

main{grid-column:2;display:flex;flex-direction:column;min-width:0}
header{height:var(--tb);background:#fff;border-bottom:1px solid var(--vien);display:flex;
  align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:30}
.nav-toggle{display:none;width:34px;height:34px;border:1px solid var(--vien);border-radius:10px;
  background:#fff;color:var(--navy);font-size:18px;cursor:pointer}
.bc{font-size:13px;color:var(--mo)}
.bc .home{border:0;background:none;padding:4px 2px;color:var(--navy2);font:inherit;cursor:pointer}
.bc .home:hover{text-decoration:underline;color:var(--navy)}
.bc b{color:var(--chu);font-weight:600}
.tim{flex:1;max-width:420px;position:relative}
.tim.hide{visibility:hidden;pointer-events:none}
.tim input{width:100%;background:var(--nen);border:1px solid transparent;border-radius:999px;
  padding:8px 12px 8px 34px;font-size:13px;font-family:inherit;color:var(--chu);outline:none}
.tim input:focus{border-color:var(--navy2);background:#fff}
.tim .kl{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--mo);font-size:13px}
.hd-p{margin-left:auto;display:flex;align-items:center;gap:12px}
.chuong{position:relative;cursor:pointer;font-size:16px;color:#5A6580;padding:4px}
.chuong i{position:absolute;top:0;right:0;background:var(--cam);color:#fff;font-size:9px;
  font-weight:700;border-radius:8px;padding:0 4px;font-style:normal}
.toi{display:flex;align-items:center;gap:9px;padding-left:12px;border-left:1px solid var(--vien)}
.avt{width:34px;height:34px;border-radius:50%;background:var(--cam);color:#fff;display:grid;
  place-items:center;font-size:12px;font-weight:800;flex-shrink:0}
.toi .tt b{display:block;font-size:13px;line-height:1.25}
.toi .tt small{font-size:11px;color:var(--mo)}
.noi{padding:20px 22px 46px;flex:1}

/* ══ THÀNH PHẦN ══ */
.hero::after{content:'';position:absolute;right:0;top:0;bottom:0;width:34%;opacity:.16;
  background:repeating-linear-gradient(135deg,transparent 0 18px,#fff 18px 19px)}
.hero>*{position:relative;z-index:1}
.hero{background:linear-gradient(115deg,var(--navy) 0%,#2E74B5 78%,#4E93CE 100%);
  border-radius:20px;padding:22px 26px;color:#fff;display:flex;align-items:center;
  gap:20px;margin-bottom:18px;position:relative;overflow:hidden}
.hero h2{font-size:20px;margin-bottom:5px}
.hero p{font-size:13px;opacity:.82}
.hero .kh{margin-left:auto;text-align:right;font-size:11.5px;line-height:1.7;opacity:.9;
  letter-spacing:2px;text-transform:uppercase;white-space:nowrap}
.bao-strip{background:#fff;border-radius:18px;padding:13px 17px;
  display:flex;align-items:center;gap:13px;margin-bottom:18px;box-shadow:0 2px 12px rgba(31,56,100,.045)}
.bao-strip .kt{width:26px;height:26px;border-radius:50%;background:var(--cnhat);color:var(--cam);
  display:grid;place-items:center;font-weight:800;flex-shrink:0}
.bao-strip b{font-size:13.5px;display:block}
.bao-strip small{color:var(--mo);font-size:12px}
.bao-strip a{margin-left:auto;color:var(--navy2);font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap}

.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:18px}
.kpi>.k{background:#fff;border-radius:18px;padding:16px 18px;box-shadow:0 2px 12px rgba(31,56,100,.045);
  position:relative;overflow:hidden}
.kpi>.k::after{content:'';position:absolute;right:-26px;bottom:-30px;width:96px;height:96px;
  border-radius:50%;background:var(--xnhat);opacity:.75}
.kpi>.k.c2::after{background:var(--lnhat)}
.kpi>.k.c3::after{background:var(--cnhat)}
.kpi>.k.c4::after{background:var(--vnhat)}
.kpi>.k>*{position:relative;z-index:1}
.kpi>.k .n{font-size:11px;color:var(--mo);text-transform:uppercase;letter-spacing:.6px;margin-bottom:7px}
.kpi>.k .v{font-size:27px;font-weight:700;color:var(--navy);line-height:1;font-variant-numeric:tabular-nums}
.kpi>.k .s{font-size:11.5px;color:var(--mo);margin-top:6px}
.kpi>.k .s b{color:var(--xanh)}

.luoi{display:grid;grid-template-columns:minmax(330px,1.2fr) repeat(2,minmax(260px,1fr));gap:14px;align-items:start}
.o{background:#fff;border-radius:18px;box-shadow:0 2px 12px rgba(31,56,100,.045);overflow:hidden}
.o .dau{display:flex;align-items:center;padding:14px 17px 0}
.o .dau .l{font-size:10px;color:var(--mo);letter-spacing:1.1px;text-transform:uppercase}
.o .dau a{margin-left:auto;font-size:12px;color:var(--navy2);cursor:pointer;font-weight:600}
.o h3{font-size:16px;padding:2px 17px 12px;font-weight:700}
.o .than{padding:0 17px 16px}
.o .trong{padding:26px 17px 30px;text-align:center;color:var(--mo);font-size:13px}

/* Dải tổng hợp dùng ở Bộ môn, Học phí, Chi tiêu và Phê duyệt. */
.ba{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-bottom:16px}
.ba>.o{padding:16px 18px;min-height:104px;border:1px solid rgba(221,229,240,.85);overflow:hidden}
.ba>.o .l{font-size:11px;color:var(--mo);text-transform:uppercase;letter-spacing:.65px;margin-bottom:9px}
.ba>.o .v{font-size:24px;font-weight:750;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1.1}
.ba>.o .s{font-size:12px;color:var(--mo);margin-top:7px}
.ba>.o.xanh{border-top:3px solid var(--xanh)}
.ba>.o.canh-bao{border-top:3px solid var(--cam)}

.lich-i{display:flex;align-items:center;gap:12px;min-height:56px;padding:10px 0;border-bottom:1px solid #EDF1F7}
.lich-i:last-child{border:0}
.lich-i .gio{font-size:12px;color:var(--mo);width:42px;flex-shrink:0;padding-top:2px;font-variant-numeric:tabular-nums}
.lich-i .cham{width:9px;height:9px;border-radius:50%;border:2.5px solid var(--navy2);flex-shrink:0}
.lich-i.xong .cham{background:var(--xanh);border-color:var(--xanh)}
.lich-i b{font-size:13.5px;display:block}
.lich-i small{font-size:11.5px;color:var(--mo)}
.lich-i .tag{margin-left:auto;min-height:28px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

.tag{font-size:10.5px;padding:2px 9px;border-radius:20px;font-weight:600;white-space:nowrap}
.tag.t{background:#EDF5FC;color:var(--navy);border:1px solid rgba(46,116,181,.28)}
.tag.k{background:var(--vnhat);color:var(--cam);border:1px solid rgba(191,78,20,.2)}
.tag.x{background:var(--lnhat);color:#2c5d2c}
.tag.d{background:var(--cnhat);color:var(--cam)}
.tag.v{background:var(--vnhat);color:var(--cam)}

.thanh{height:8px;background:#E6ECF5;border-radius:5px;overflow:hidden;display:flex;margin:10px 0 9px}
.thanh i{display:block;height:100%}
.chu-thich{display:flex;gap:16px;font-size:11.5px;color:var(--mo);flex-wrap:wrap}
.chu-thich span{display:flex;align-items:center;gap:5px}
.chu-thich em{width:8px;height:8px;border-radius:50%;font-style:normal}
.tien{font-size:25px;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums}
.tien small{font-size:12.5px;color:var(--mo);font-weight:400}

.vong{display:flex;align-items:center;gap:16px}
.vong svg{flex-shrink:0}
.vong .gt{font-size:19px;font-weight:700;fill:var(--navy)}

/* Biểu đồ thuần CSS: nhẹ, không cần tải thư viện ngoài. */
.donut-wrap{display:flex;align-items:center;gap:18px;min-height:96px}
.donut{--pct:0;width:92px;height:92px;border-radius:50%;flex-shrink:0;position:relative;
  background:conic-gradient(var(--navy2) calc(var(--pct)*1%),var(--cnhat) 0)}
.donut::after{content:'';position:absolute;inset:13px;border-radius:50%;background:#fff}
.donut b{position:absolute;inset:0;display:grid;place-items:center;z-index:1;color:var(--navy);font-size:18px}
.chart-list{display:grid;gap:10px}
.chart-row{display:grid;grid-template-columns:58px minmax(90px,1fr) 38px;align-items:center;gap:9px;font-size:12px}
.chart-row .label{font-weight:650;color:var(--navy)}
.chart-row .track{height:9px;background:#EDF1F7;border-radius:999px;overflow:hidden}
.chart-row .track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--navy),var(--navy2))}
.chart-row .value{text-align:right;font-variant-numeric:tabular-nums;color:var(--mo);font-weight:700}
.gv-chart .chart-row{grid-template-columns:minmax(88px,120px) minmax(90px,1fr) minmax(82px,auto)}
.gv-chart .label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.capacity{margin-top:7px;height:5px;background:#EDF1F7;border-radius:999px;overflow:hidden}
.capacity i{display:block;height:100%;border-radius:999px;background:var(--navy2)}

/* ══ BẢNG ══ */
.card{background:#fff;border-radius:18px;box-shadow:0 2px 12px rgba(31,56,100,.045);
  overflow-x:auto;overflow-y:visible}
.card.calendar{overflow:auto;max-height:calc(100vh - var(--tb) - 170px)}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px}
th,td{padding:9px 12px;border-bottom:1px solid #EFF2F7;white-space:nowrap}
thead th{background:#F7F9FC;position:sticky;top:0;z-index:5;font-size:10.5px;font-weight:700;
  color:var(--mo);text-transform:uppercase;letter-spacing:.5px;box-shadow:0 1px 0 var(--vien);text-align:center}
tbody tr:nth-child(even) td{background:#FAFBFD}
tbody tr:hover td,tbody tr:hover .stick{background:var(--xnhat)}
tfoot td{background:#F7F9FC;font-weight:700;border-top:2px solid var(--navy2);position:sticky;bottom:0;z-index:4}
.calendar tbody .stick.c3.nm,.calendar tbody .stick.c3.nm>span{
  font-weight:600!important;color:var(--navy)!important}
.calendar tbody tr:hover td,.calendar tbody tr:hover .stick{background:#E8F0FB!important}
.calendar tbody tr.active-row td,.calendar tbody tr.active-row .stick{background:#C9DCF5!important}
.calendar tbody tr.active-row .stick.c1{box-shadow:inset 4px 0 0 var(--navy2)}
.calendar .d.active-col{background:#C9DCF5!important}
.calendar .d.hover-col{background:#E8F0FB!important}
.calendar th.d.active-col,.calendar th.d.hover-col{color:var(--navy);font-weight:750;
  box-shadow:inset 0 3px 0 var(--navy2)!important}
.calendar tbody tr.active-row td.d.active-col,
.calendar tbody tr:hover td.d.hover-col{background:#AFC9EA!important;position:relative;
  box-shadow:none!important}
.calendar tbody tr.active-row td.d.active-col::after,
.calendar tbody tr:hover td.d.hover-col::after{content:"";position:absolute;inset:0;
  border:2px solid #C62828;pointer-events:none;z-index:12}
.calendar tfoot .sum-label{position:sticky;left:0;z-index:6;min-width:346px;text-align:right;
  padding-right:20px;border-right:1px solid var(--vien);background:#F7F9FC}
.left{text-align:left!important}.center{text-align:center!important}.actions{text-align:center;white-space:nowrap}
.stick{position:sticky;background:#fff;z-index:3}
.stick.c1{left:0;width:38px;min-width:38px;max-width:38px}
.stick.c2{left:38px;width:126px;min-width:126px;max-width:126px}
.stick.c3{left:164px;width:182px;min-width:182px;max-width:182px;overflow:hidden;
  text-overflow:ellipsis;border-right:1px solid var(--vien)}
tbody tr:nth-child(even) .stick{background:#FAFBFD}
.ma{font-family:ui-monospace,Consolas,monospace;font-size:11.5px;color:var(--navy2);font-weight:600}
.stt{color:#A9B3C6;font-size:11.5px}
.nm{font-weight:600}
.student-name,.parent-name,.class-code{text-align:left!important}
.student-table th,.student-table td{text-align:center;vertical-align:middle}
.student-table .student-name,.student-table .parent-name{text-align:left!important}
.class-table th,.class-table td{text-align:center!important;vertical-align:middle}
.class-table .class-code{text-align:left!important}
.class-table th:nth-child(9),.class-table td:nth-child(9){text-align:right!important}
.money{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:var(--cam2)}
.tot{text-align:center}
.gd td:first-child{box-shadow:inset 3px 0 0 var(--cam)}
.gd td:first-child{border-top-left-radius:10px;border-bottom-left-radius:10px}
.gd .ma{color:var(--cam2)}
.gd-note{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:999px;
  background:var(--cnhat);color:var(--cam);font-size:10.5px;font-weight:650;white-space:nowrap}
.hs-sub{display:block;margin-top:3px;color:var(--mo);font-size:10.5px;font-weight:500;line-height:1.25}
.calendar .hs-sub.lich{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--navy2);font-size:9.5px;font-weight:550}
.khoi-group td{padding:7px 13px!important;background:var(--nen)!important;border-top:1px solid var(--vien)}
.khoi-group span{display:inline-block;color:var(--navy);font-size:11px;font-weight:750;
  letter-spacing:.45px;text-transform:uppercase}

td.d,th.d{text-align:center;padding:0;width:32px;min-width:32px}
th.d{font-size:11px;line-height:1.2;padding:6px 0;font-weight:600}
th.d small{display:block;font-size:9px;color:#A9B3C6}
th.d.we{color:var(--cam2)}
th.d.today{background:var(--xnhat);box-shadow:inset 0 3px 0 var(--navy2)}
.day-select{display:block;width:100%;min-height:36px;padding:5px 0;border:0;background:transparent;
  color:inherit;font:inherit;font-weight:inherit;line-height:1.2;cursor:pointer}
.day-select:hover,.day-select:focus-visible{background:#E8F0FB;outline:none}
td.d div{height:32px;display:grid;place-items:center;cursor:pointer;font-size:13.5px;user-select:none}
td.d div:hover{background:var(--xnhat)}
td.d div.c1{color:var(--navy)}
td.d div.c2,td.d div.c3{color:var(--cam2);font-weight:700}
/* ══ ĐIỀU KHIỂN ══ */
.bar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;padding:0 0 15px}
.sort-label{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--mo);font-size:12.5px}
.sort-label select{min-width:138px}
select,input,textarea{padding:8px 13px;border:1px solid var(--vien);border-radius:12px;font-size:13px;
  font-family:inherit;color:var(--chu);background:#fff;outline:none}
select:focus,input:focus{border-color:var(--navy2)}
.btn{background:var(--navy);color:#fff;border:none;padding:9px 18px;border-radius:999px;font-size:13px;
  font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{background:#16294a}
.btn.o{background:#fff;color:var(--navy);border:1px solid var(--vien)}
.btn.o:hover{background:#F7F9FD}
.btn.g{background:var(--xanh)}.btn.g:hover{background:#26824c}
.btn.danger-solid{background:var(--do);margin-left:8px}.btn.danger-solid:hover{background:#81251f}
.pill{margin-left:auto;font-size:12.5px;color:var(--mo)}
.lich-lop-info{margin-left:auto}
.daily-total{width:100%;display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:10px;row-gap:2px;
  background:#F7F9FC;border:1px solid var(--vien);border-left:4px solid var(--navy2);border-radius:12px;
  padding:9px 12px;color:var(--navy);font-variant-numeric:tabular-nums}
.daily-total>span{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.55px;color:var(--navy2)}
.daily-total>b{font-size:13px}.daily-total>small{grid-column:2;color:var(--mo);font-size:11px;font-weight:500}
.daily-total.has-date{background:#F4FAF5;border-color:rgba(47,143,78,.28);border-left-color:var(--xanh)}
.sync{display:inline-flex;align-items:center;gap:6px;color:var(--xanh);font-size:12px;font-weight:600}
.sync::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--xanh)}
.form{background:#fff;border-radius:18px;padding:20px;margin-bottom:15px;
  box-shadow:0 2px 12px rgba(31,56,100,.045);border:1px solid var(--vien)}
.form h3{font-size:14.5px;margin-bottom:14px;color:var(--navy)}
.form .sub{font-size:12px;color:var(--mo);margin:-8px 0 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:12px}
.f label{display:block;font-size:10.5px;font-weight:700;color:var(--mo);margin-bottom:4px;
  text-transform:uppercase;letter-spacing:.4px}
.f input,.f select{width:100%}
.field-note{display:block;margin-top:4px;color:var(--mo);font-size:10.5px;text-transform:none;letter-spacing:0;font-weight:400}
.lops{display:flex;flex-wrap:wrap;gap:6px}
.lops label{display:flex;align-items:center;gap:5px;background:#F7F9FD;border:1px solid var(--vien);
  border-radius:20px;padding:5px 11px;font-size:12.5px;cursor:pointer;text-transform:none;
  letter-spacing:0;color:var(--chu);font-weight:600;margin:0}
.lops label:has(input:checked){background:var(--xnhat);border-color:var(--navy2)}
.lops input{width:auto}
.cam{background:#FDF3EF;border-left:4px solid var(--cam);border-radius:12px;padding:11px 14px;
  font-size:13px;margin-bottom:12px;line-height:1.55}
.bao{padding:11px 14px;border-radius:12px;font-size:13px;margin-bottom:12px;line-height:1.5}
.bao.ok{background:var(--lnhat);border:1px solid #86C79B}
.bao.er{background:var(--cnhat);border:1px solid #E5A886;color:var(--do)}
.hint{font-size:12.5px;color:var(--mo);margin:11px 2px;line-height:1.6}
.empty{padding:44px;text-align:center;color:var(--mo)}
.empty-state{padding:42px 22px;text-align:center;color:var(--mo)}
.empty-state .icon{width:42px;height:42px;border-radius:14px;background:var(--lnhat);color:var(--xanh);
  display:grid;place-items:center;margin:0 auto 12px;font-size:20px;font-weight:800}
.empty-state b{display:block;color:var(--navy);font-size:14px;margin-bottom:5px}
.chip-more{display:inline-block;margin-left:4px;color:var(--navy2);font-size:11px;font-weight:700}
.ck{display:inline-block;cursor:pointer;position:relative;width:20px;height:20px}
.ck input{position:absolute;opacity:0;width:0;height:0}
.ck span{position:absolute;inset:0;border:1.8px solid var(--vien);border-radius:8px;background:#fff}
.ck input:checked+span{background:var(--navy2);border-color:var(--navy2)}
.ck.d input:checked+span{background:var(--xanh);border-color:var(--xanh)}
.ck input:checked+span::after{content:'';position:absolute;left:6px;top:2px;width:5px;height:10px;
  border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.khi{font-size:10px;color:var(--mo);margin-top:2px;white-space:nowrap}
.tai{position:fixed;inset:0;background:rgba(245,247,251,.72);display:grid;place-items:center;
  z-index:99;font-size:13.5px;color:var(--navy2)}
.bao-nhanh{position:fixed;right:24px;bottom:24px;z-index:130;max-width:min(430px,calc(100vw - 32px));
  padding:12px 17px;border-radius:12px;background:var(--navy);color:#fff;font-size:13.5px;font-weight:750;
  box-shadow:0 10px 30px rgba(31,56,100,.24);opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .16s ease,transform .16s ease}
.bao-nhanh.hien{opacity:1;transform:translateY(0)}
.bao-nhanh.er{background:var(--cam)}
.dot{width:26px;height:26px;border:3px solid #DDE5F0;border-top-color:var(--navy2);border-radius:50%;
  animation:q .7s linear infinite;margin:0 auto 10px}
@keyframes q{to{transform:rotate(360deg)}}

/* ══ ĐĂNG NHẬP ══ */
#man{min-height:100vh;display:grid;place-items:center;background:var(--nen);padding:20px}
.hop{background:#fff;border-radius:24px;box-shadow:0 10px 40px rgba(31,56,100,.09);padding:34px 32px;
  max-width:420px;width:100%}
.hop .lgb{width:96px;height:96px;object-fit:contain;display:block;margin:0 auto 18px}
.hop h2{font-size:19px;margin-bottom:6px;text-align:center}
.hop p{font-size:13.5px;color:var(--mo);line-height:1.6;margin-bottom:18px;text-align:center}
.hop input{width:100%;margin-bottom:11px;padding:11px 13px;font-size:14px}
.hop .btn{width:100%;padding:11px;font-size:14px}
.logo{font-weight:800;font-size:15px;color:var(--navy);letter-spacing:.5px;margin-bottom:20px}
.ai{background:#fff;border:1px solid var(--vien);border-radius:999px;padding:7px 14px;font-size:12.5px;
  color:var(--chu);font-family:inherit;cursor:pointer}
.ai:hover{background:#F7F9FD}
.cho{background:var(--cam);color:#fff;font-size:10.5px;font-weight:700;border-radius:14px;
  padding:1px 6px;margin-left:6px}
.moi{background:#FDF3EF;border-left:4px solid var(--cam);border-radius:12px;padding:11px 14px;
  font-size:13px;margin-bottom:12px}
b.n{color:var(--cam2)}

/* ══ THU HỌC PHÍ ══ */
.thu-steps{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:12px;margin-bottom:16px}
.thu-step{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--vien);
  border-radius:16px;padding:13px 14px;min-height:72px;box-shadow:0 2px 10px rgba(31,56,100,.035)}
.thu-step>span,.buoc-so{width:29px;height:29px;display:inline-grid;place-items:center;border-radius:9px;
  background:var(--cnhat);color:var(--cam);font-weight:750;flex:0 0 auto}
.thu-step.done>span{background:var(--lnhat);color:var(--xanh)}
.thu-step b{font-size:13px;display:block}.thu-step small{display:block;color:var(--mo);font-size:11.5px;margin-top:2px}
.thu-step .btn{margin-left:auto}.btn.sm{padding:6px 11px;font-size:11.5px}
.hp-loc{padding-bottom:12px}.hp-loc .btn{padding:7px 13px;font-size:12px}
.hp-kpi{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.hp-kpi .tong-can-thu{border-top:3px solid var(--navy2)}
.hp-table th,.hp-table td{vertical-align:middle;text-align:center}.hp-table .right{text-align:right}
.hp-table .hp-stick-student,.hp-table .hp-parent,.hp-table .hp-children{text-align:left}
.hp-table .row-actions{justify-content:center}
.hp-copy{min-width:218px;text-align:center}
.hp-copy-actions,.hp-family-copy{display:flex;flex-direction:column;align-items:stretch;gap:5px}
.hp-copy-main{display:flex;align-items:center;justify-content:center;gap:5px;flex-wrap:nowrap}
.hp-copy .link-btn{border:1px solid var(--vien);border-radius:999px;padding:6px 9px;background:#fff}
.hp-copy .link-btn:hover{background:#F7F9FD;text-decoration:none}
.hp-copy-main .link-btn.vua-sao,.xem-nut .vua-sao{background:#E5F2E7!important;border-color:#66A36A!important;
  color:#2F7134!important;font-weight:800}
.hp-copy-main .link-btn.dang-sao,.xem-nut .dang-sao{opacity:.72;cursor:wait}
.hp-copy .hp-view-btn,.hp-family-copy .hp-view-btn{border:1px solid rgba(191,78,20,.35);
  border-radius:8px;background:#FDF3EF;color:var(--cam);font-weight:750;text-align:center}
.hp-copy .hp-view-btn:hover,.hp-family-copy .hp-view-btn:hover{background:#F8E4DA;text-decoration:none}
.hp-stage-checks{display:flex;flex-direction:column;gap:5px}
.hp-stage-check{display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid var(--vien);
  border-radius:9px;padding:7px 9px;background:#fff;color:var(--navy2);font-size:10.5px;
  font-weight:750;white-space:nowrap;cursor:pointer;min-height:38px;transition:.15s ease}
.hp-stage-check>span{display:flex;flex-direction:column;align-items:center;line-height:1.15;min-width:0}
.hp-stage-check b{font-size:10.5px;letter-spacing:.15px}.hp-stage-check small{font-size:8.8px;font-weight:600;
  color:var(--mo);margin-top:3px;white-space:nowrap}
.hp-stage-check.copied{border-color:rgba(46,116,181,.38);background:#F2F7FD;min-height:47px}
.hp-stage-check.copied b{font-size:11.5px}
.hp-stage-check.copied.is-on{border:2px solid var(--navy2);background:#DCEAF9;color:var(--navy)}
.hp-stage-check.copied.is-on small{color:var(--navy2)}
.hp-stage-check.sent{border-color:rgba(79,143,81,.32);background:#F1F8F2;color:var(--xanh)}
.hp-stage-check.sent.is-on{border:2px solid #4F8F51;background:#DCEEDD;color:#2F7134}
.hp-stage-check.sent.is-on small{color:#397C3D}
.hp-stage-check input{width:18px;height:18px;margin:0;accent-color:var(--xanh);cursor:pointer;flex:0 0 auto}
.hp-stage-check.copied input{accent-color:var(--navy2)}
.hp-stage-check input:disabled{opacity:.45;cursor:not-allowed}
.hp-sent-time{text-align:center;margin-top:0!important;font-size:10px!important}
.hp-table .hp-stick-num,.hp-table .hp-stick-student,.hp-table .hp-stick-copy{position:sticky;z-index:3}
.hp-table .hp-stick-num{left:0;min-width:42px;width:42px;max-width:42px;text-align:center}
.hp-table .hp-stick-student{left:42px;min-width:220px;width:220px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
.hp-table .hp-stick-copy{left:262px;min-width:218px;width:218px;max-width:218px;border-right:1px solid var(--vien)}
.hp-table thead .hp-stick-num,.hp-table thead .hp-stick-student,.hp-table thead .hp-stick-copy{z-index:8;background:#F7F9FC}
.hp-table tbody tr:nth-child(odd) .hp-stick-num,.hp-table tbody tr:nth-child(odd) .hp-stick-student,.hp-table tbody tr:nth-child(odd) .hp-stick-copy{background:#fff}
.hp-table tbody tr:nth-child(even) .hp-stick-num,.hp-table tbody tr:nth-child(even) .hp-stick-student,.hp-table tbody tr:nth-child(even) .hp-stick-copy{background:#FAFBFD}
.hp-table tbody tr:hover .hp-stick-num,.hp-table tbody tr:hover .hp-stick-student,.hp-table tbody tr:hover .hp-stick-copy{background:var(--xnhat)}
.hp-error{position:sticky;left:0;z-index:2}
.hp-table .mo,.block{display:block;color:var(--mo);font-size:11px;font-weight:400;margin-top:3px}
.hp-ct{min-width:220px;white-space:normal;text-align:center!important}.hp-lop{display:inline-flex;align-items:center;border-radius:999px;
  padding:3px 8px;margin:2px 4px 2px 0;font-size:11px;white-space:nowrap}
.hp-lop.toan{background:var(--xnhat);color:var(--navy)}
.hp-lop.khac{background:var(--cnhat);color:var(--cam);border:1px solid rgba(191,78,20,.22)}
.no-cu{color:var(--cam)!important}.ok-text{color:var(--xanh)!important}
.hp-total-need{color:var(--navy)!important;font-weight:800!important}
.tag.hp-ok{background:var(--lnhat);color:var(--xanh)}
.tag.hp-thieu,.tag.hp-cho{background:var(--cnhat);color:var(--cam)}
.tag.hp-nhap{background:var(--xnhat);color:var(--navy2)}
.tag.hp-xau{background:var(--cam);color:#fff}
.tag.hp-goi-y{background:var(--cnhat);color:var(--cam);border:1px dashed rgba(191,78,20,.55)}
.btn.canh{background:var(--cam)}.btn.canh:hover{background:#9f3f10}
.row-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;min-width:150px}
.no-xau-kpi{border-top:3px solid var(--cam)!important}
.thu-form{background:#fff;border:1px solid rgba(46,116,181,.28);border-left:4px solid var(--navy2);
  border-radius:17px;padding:17px 18px;margin-bottom:16px;box-shadow:0 8px 24px rgba(31,56,100,.07)}
.thu-form-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px}
.thu-form-head>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.thu-form-head b{font-size:14px}
.thu-form-head small{display:block;width:100%;padding-left:39px;color:var(--mo);font-size:11.5px}
.thu-form-head .x{border:0;background:none;color:var(--mo);font-size:23px;cursor:pointer}
.thu-grid{display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:11px}
.thu-grid label{font-size:10.5px;text-transform:uppercase;letter-spacing:.35px;color:var(--mo);font-weight:700}
.thu-grid input,.thu-grid select{display:block;width:100%;margin-top:4px;text-transform:none}
.thu-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.hp-children{min-width:330px;white-space:normal}.hp-children>.hp-child-line{display:flex;align-items:center;gap:8px;
  padding:5px 0;border-bottom:1px solid #EDF1F7}.hp-children>div:last-child{border-bottom:0}
.hp-children>div>span:first-child{min-width:145px;flex:1}.hp-children b{display:block;font-size:12.5px}
.hp-children small{display:block;color:var(--mo);font-size:10.5px}
.hp-note-row td{padding:0!important;background:#F7F9FC!important}
.hp-note-editor{display:grid;grid-template-columns:minmax(190px,260px) 1fr auto;align-items:center;
  gap:12px;padding:13px 16px;border-left:4px solid var(--cam);text-align:left;background:#FDF9F7}
.hp-note-head b{display:block;color:var(--navy);font-size:12.5px}.hp-note-head small{display:block;color:var(--mo);font-size:10.5px;margin-top:2px}
.hp-note-editor textarea{width:100%;min-height:56px;resize:vertical;border:1px solid var(--vien);
  border-radius:9px;padding:9px 11px;font:inherit;font-size:12.5px;color:var(--navy);background:#fff}
.hp-note-editor textarea:focus{outline:2px solid rgba(46,116,181,.2);border-color:var(--navy2)}
.hp-note-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.hp-child-note{display:block!important;padding:0 0 8px!important;border-bottom:1px solid #EDF1F7}
.hp-child-note .hp-note-editor{grid-template-columns:1fr;padding:10px 12px;margin:4px 0;border-radius:10px}
.hp-child-note .hp-note-actions{justify-content:flex-start}
.link-btn{border:0;background:none;color:var(--navy2);font:inherit;font-size:11.5px;font-weight:650;cursor:pointer;padding:4px}
.link-btn:hover{text-decoration:underline}.link-btn.danger{color:var(--do)}
.ck input:disabled+span{opacity:.4;cursor:not-allowed}
.card-title{display:flex;align-items:center;justify-content:space-between;padding:15px 17px 10px}
.card-title b{font-size:14px}.card-title small{display:block;color:var(--mo);font-size:11.5px;margin-top:2px}
.doi-soat,.lich-su-thu{margin-top:16px}.doi-soat select{min-width:260px}
@media(max-width:900px){
  #app{grid-template-columns:1fr}
  aside{transform:translateX(-100%);transition:.2s}
  aside.mo{transform:none}
  main{grid-column:1}
  .nav-toggle{display:grid;place-items:center}
  .noi{padding:16px 14px 38px}
  .luoi{grid-template-columns:1fr}
  .hero .kh{display:none}
  .toi .tt{display:none}
  .thu-steps,.hp-kpi,.thu-grid{grid-template-columns:1fr}
  .daily-total{grid-template-columns:1fr;text-align:left}
  .daily-total>small{grid-column:1}
}
@media(max-width:1280px){.luoi{grid-template-columns:repeat(2,minmax(280px,1fr))}}
@media(max-width:900px){.luoi{grid-template-columns:1fr}}

/* ── Ghi chú học phí + xem trước ảnh ── */
.hp-ghi-chu{color:var(--cam);font-style:italic;font-size:11px;margin-top:2px;white-space:normal}
.hp-children .hp-ghi-chu{font-size:10.5px}
.ck.ck-thu span{border-color:rgba(46,116,181,.55)}
.ck.ck-thu input:checked+span{background:var(--xanh);border-color:var(--xanh)}
.xem-lop{position:fixed;inset:0;z-index:90;background:rgba(20,32,54,.55);
  display:grid;place-items:center;padding:22px;overflow:auto}
.xem-hop{background:#fff;border-radius:16px;max-width:1180px;width:100%;
  box-shadow:0 24px 70px rgba(15,28,52,.32);overflow:hidden}
.xem-dau{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--vien)}
.xem-dau b{font-size:15px}.xem-dau small{color:var(--mo);font-size:11.5px}
.xem-dau .x{margin-left:auto;border:0;background:none;color:var(--mo);font-size:26px;cursor:pointer;line-height:1}
.xem-than{display:grid;grid-template-columns:minmax(300px,460px) 1fr;gap:20px;padding:18px;
  align-items:start;max-height:78vh;overflow:auto}
.xem-anh{background:#EEF2F7;border-radius:12px;padding:10px}
.xem-anh img{width:100%;height:auto;display:block;border-radius:8px}
.xem-nhan{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--mo);
  font-weight:700;margin:14px 0 6px}
.xem-ma{font-family:ui-monospace,Consolas,monospace;font-size:13px;background:var(--xnhat);
  color:var(--navy);border-radius:8px;padding:9px 11px;word-break:break-all}
.xem-tin{background:#F7F9FC;border:1px solid var(--vien);border-radius:10px;padding:12px 13px;
  font-size:13.5px;line-height:1.55;white-space:pre-wrap}
.xem-nut{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.xem-nut .btn{text-decoration:none;display:inline-flex;align-items:center}
@media(max-width:900px){.xem-than{grid-template-columns:1fr;max-height:82vh}}
@media(max-width:900px){.hp-note-editor{grid-template-columns:1fr}.hp-note-actions{justify-content:flex-start}}
/* Nhóm thao tác học phí: 3 nút sao chép, Xem, rồi 2 trạng thái lưu riêng. */
.hp-copy{min-width:218px}
.hp-copy-actions{min-height:132px}
.hp-family-copy{min-width:208px}
.hp-family-copy .hp-copy-main{gap:2px}
.hp-family-copy .link-btn{padding:5px 7px}
.hp-family-copy .hp-view-btn{padding:4px 8px}
.hp-table .hp-stick-copy{min-width:218px;width:218px;max-width:218px}