/* ICANDOIT - Giao viec & Theo doi cong viec. Giao dien noi bo. */
:root{
  --bg:#f1f4f9; --panel:#ffffff; --ink:#16202e; --muted:#6b7a90; --line:#e2e8f2;
  --brand:#0d5bd4; --brand-dark:#0a47a6; --brand-soft:#e8f0ff;
  --ok:#12894f; --ok-soft:#e3f7ec; --warn:#b7791f; --warn-soft:#fdf3e0;
  --danger:#cc2b3d; --danger-soft:#fdeaec; --info:#0d6f95; --info-soft:#e4f4fa;
  --grey-soft:#eef1f6;
  --radius:12px; --shadow:0 2px 10px rgba(20,35,60,.07);
  --shadow-lg:0 12px 40px rgba(20,35,60,.18);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:14.5px; line-height:1.5;
}
.hidden{display:none !important}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--brand)}

/* ---------- nut ---------- */
.btn{border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:9px;
  font-weight:600;color:var(--ink);transition:.15s;white-space:nowrap}
.btn:hover{background:#f6f8fc;border-color:#cfd9e8}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-ok:hover{filter:brightness(.93)}
.btn-danger{background:#fff;border-color:#f3c3c9;color:var(--danger)}
.btn-danger:hover{background:var(--danger-soft)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted);text-align:left}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff}
.btn-block{width:100%;display:block}
.btn-sm{padding:5px 10px;font-size:13px;border-radius:7px}
.icon-btn{border:none;background:transparent;font-size:19px;padding:6px 8px;border-radius:8px;
  position:relative;line-height:1}
.icon-btn:hover{background:var(--grey-soft)}
.link{border:none;background:none;color:var(--brand);padding:0;font-size:13px;
  text-decoration:underline}

/* ---------- dang nhap ---------- */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#0d5bd4,#0a2f6e 60%,#071e46);padding:20px}
.login-box{background:#fff;border-radius:18px;padding:34px 32px;width:100%;max-width:390px;
  box-shadow:var(--shadow-lg)}
.login-logo{font-weight:800;font-size:26px;letter-spacing:2px;color:var(--brand);text-align:center}
.login-sub{text-align:center;font-size:11.5px;letter-spacing:3px;color:var(--muted);
  margin-bottom:16px}
.login-box h1{font-size:16px;text-align:center;margin:0 0 22px;font-weight:600;color:var(--muted)}
.login-box label{display:block;font-size:13px;font-weight:600;margin-bottom:14px;color:#37465c}
.login-box input{width:100%;margin-top:5px;padding:11px 12px;border:1px solid var(--line);
  border-radius:9px;background:#fbfcfe}
.login-box input:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.login-error{color:var(--danger);font-size:13px;min-height:20px;margin-bottom:6px}
.login-hint{font-size:12px;color:var(--muted);text-align:center;margin:16px 0 0}

/* ---------- khung app ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;flex:0 0 236px;background:linear-gradient(180deg,#0f2f63,#0a2247);
  color:#dbe6f7;display:flex;flex-direction:column;padding:18px 12px}
.brand{padding:6px 10px 20px}
.brand-mark{font-weight:800;letter-spacing:1.6px;font-size:19px;color:#fff}
.brand-sub{font-size:10.5px;letter-spacing:2.4px;color:#8fb0e0}
.nav{display:flex;flex-direction:column;gap:3px;flex:1}
.nav-item{display:flex;align-items:center;gap:10px;background:none;border:none;color:#c3d5ee;
  padding:10px 12px;border-radius:9px;text-align:left;font-size:14px;font-weight:500}
.nav-item span{width:20px;text-align:center}
.nav-item:hover{background:rgba(255,255,255,.09);color:#fff}
.nav-item.active{background:#1a4f9e;color:#fff;font-weight:600}
.nav-item .badge{margin-left:auto;background:#ff6b57;color:#fff;font-style:normal;font-size:11px;
  padding:1px 7px;border-radius:20px;font-weight:700}
.nav-item .badge:empty{display:none}
.sidebar-foot{border-top:1px solid rgba(255,255,255,.12);padding-top:10px}
.version{font-size:11px;color:#7d9ac5;text-align:center;margin-top:8px}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:10px 18px;display:flex;
  align-items:center;gap:12px;position:sticky;top:0;z-index:20}
.search-wrap{flex:1;max-width:430px}
.search-wrap input{width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:9px;
  background:#f7f9fc}
.search-wrap input:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.me{display:flex;align-items:center;gap:9px;font-size:13px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.me-name{font-weight:600;line-height:1.2}
.me-role{color:var(--muted);font-size:11.5px}
.content{padding:20px;flex:1}
.only-mobile{display:none}

/* ---------- chuong thong bao ---------- */
.bell-wrap{position:relative}
.dot{position:absolute;top:3px;right:3px;width:9px;height:9px;background:#ff4d4f;border-radius:50%;
  display:none}
.dot.on{display:block}
.dropdown{position:absolute;right:0;top:42px;width:340px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);z-index:60;overflow:hidden}
.dropdown-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;
  border-bottom:1px solid var(--line);background:#fafbfd}
.dropdown-body{max-height:380px;overflow:auto}
.noti{padding:10px 14px;border-bottom:1px solid #f1f4f9;font-size:13px;cursor:pointer}
.noti:hover{background:#f7f9fc}
.noti.unread{background:var(--brand-soft)}
.noti time{display:block;color:var(--muted);font-size:11.5px;margin-top:3px}

/* ---------- the & luoi ---------- */
.page-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-head h1{font-size:20px;margin:0;font-weight:700}
.page-head .spacer{flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:12px;
  margin-bottom:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;
  box-shadow:var(--shadow)}
.card .k{font-size:12.5px;color:var(--muted);font-weight:600}
.card .v{font-size:27px;font-weight:800;margin-top:4px;line-height:1.1}
.card.accent-red .v{color:var(--danger)} .card.accent-green .v{color:var(--ok)}
.card.accent-blue .v{color:var(--brand)} .card.accent-orange .v{color:var(--warn)}
.card.clickable{cursor:pointer;transition:.15s}
.card.clickable:hover{border-color:var(--brand);transform:translateY(-1px)}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.panel-head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:10px;background:#fafbfd}
.panel-head h2{font-size:15px;margin:0;font-weight:700}
.panel-head .spacer{flex:1}
.panel-body{padding:14px 16px}
.panel-body.flush{padding:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:1100px){.grid-2{grid-template-columns:1fr}}

/* ---------- bang ---------- */
table{width:100%;border-collapse:collapse;font-size:13.6px}
th{text-align:left;padding:10px 12px;background:#f6f8fc;color:#4b5b72;font-weight:700;
  border-bottom:1px solid var(--line);white-space:nowrap;font-size:12.5px}
td{padding:10px 12px;border-bottom:1px solid #f0f3f8;vertical-align:middle}
tbody tr:hover{background:#f8fafd}
tr.row-link{cursor:pointer}
.t-right{text-align:right} .t-center{text-align:center}
.empty{padding:34px 16px;text-align:center;color:var(--muted)}

/* ---------- nhan ---------- */
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:700;
  white-space:nowrap}
.st-moi{background:var(--info-soft);color:var(--info)}
.st-dang_lam{background:var(--brand-soft);color:var(--brand)}
.st-cho_duyet{background:var(--warn-soft);color:var(--warn)}
.st-hoan_thanh{background:var(--ok-soft);color:var(--ok)}
.st-tam_dung{background:var(--grey-soft);color:var(--muted)}
.st-huy{background:var(--grey-soft);color:#8a94a3;text-decoration:line-through}
.pr-1{background:var(--grey-soft);color:var(--muted)}
.pr-2{background:var(--info-soft);color:var(--info)}
.pr-3{background:var(--warn-soft);color:var(--warn)}
.pr-4{background:var(--danger-soft);color:var(--danger)}
.overdue{color:var(--danger);font-weight:700}
.duesoon{color:var(--warn);font-weight:700}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.code{font-family:Consolas,monospace;font-size:12px;color:var(--muted)}

.bar{height:6px;background:var(--grey-soft);border-radius:20px;overflow:hidden;min-width:64px}
.bar>i{display:block;height:100%;background:var(--brand);border-radius:20px}
.bar.done>i{background:var(--ok)}

/* ---------- bo loc ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filters select,.filters input{padding:7px 10px;border:1px solid var(--line);border-radius:8px;
  background:#fff}
.field{display:block;margin-bottom:13px}
.field>span{display:block;font-size:12.5px;font-weight:700;color:#43536b;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:9px;background:#fbfcfe}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand-soft);
  border-color:var(--brand)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media(max-width:640px){.row-2,.row-3{grid-template-columns:1fr}}
.checklist{max-height:150px;overflow:auto;border:1px solid var(--line);border-radius:9px;padding:8px}
.checklist label{display:flex;gap:8px;align-items:center;padding:3px 4px;font-size:13.5px}

/* ---------- kanban ---------- */
.kanban{display:grid;grid-template-columns:repeat(5,minmax(215px,1fr));gap:12px;
  align-items:start;overflow-x:auto;padding-bottom:8px}
.kcol{background:#eaeff7;border-radius:var(--radius);padding:10px;min-height:180px}
.kcol.over{outline:2px dashed var(--brand);background:var(--brand-soft)}
.kcol-head{font-weight:700;font-size:13px;margin-bottom:9px;display:flex;justify-content:space-between}
.kcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;
  box-shadow:var(--shadow);cursor:grab}
.kcard:active{cursor:grabbing}
.kcard .kt{font-weight:600;font-size:13.5px;margin-bottom:6px}
.kcard .kmeta{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:11.5px;
  color:var(--muted)}

/* ---------- lich ---------- */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cal-head{background:#f6f8fc;padding:8px;text-align:center;font-weight:700;font-size:12.5px;
  color:#4b5b72}
.cal-cell{background:#fff;min-height:104px;padding:6px}
.cal-cell.out{background:#fafbfd;color:#b9c2cf}
.cal-cell.today{background:#fffdf2;box-shadow:inset 0 0 0 2px #f0c14b}
.cal-date{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:4px}
.cal-task{font-size:11.5px;padding:2px 6px;border-radius:6px;margin-bottom:3px;cursor:pointer;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- phan mem trung tam ---------- */
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:14px;border-bottom:2px solid var(--line)}
.tab{border:none;background:none;padding:9px 15px;font-weight:700;color:var(--muted);
  border-bottom:3px solid transparent;margin-bottom:-2px;font-size:14px}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.conn{display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:10px;
  font-size:13px;margin-bottom:14px;border:1px solid}
.conn.ok{background:var(--ok-soft);border-color:#b7e6cc;color:#0c6b3e}
.conn.bad{background:var(--danger-soft);border-color:#f3c3c9;color:var(--danger)}
.conn .spacer{flex:1}
.conn code{font-family:Consolas,monospace;font-size:12px;background:rgba(255,255,255,.6);
  padding:1px 6px;border-radius:5px}
.tt-grid{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:8px;
  overflow-x:auto;padding-bottom:6px}
.tt-col{background:#eef2f8;border-radius:10px;padding:8px;min-height:90px}
.tt-day{font-weight:800;font-size:12.5px;color:#41516a;margin-bottom:7px;text-align:center}
.tt-item{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:8px;padding:7px 9px;margin-bottom:6px;font-size:12px;cursor:pointer}
.tt-item:hover{border-color:var(--brand);background:#f7faff}
.tt-item b{font-size:13px;display:block}
.money{font-variant-numeric:tabular-nums;white-space:nowrap}
.debt{color:var(--danger);font-weight:800}
.paid{color:var(--ok);font-weight:700}
.att-row td{padding:7px 10px}
.att-pick{display:flex;gap:4px;flex-wrap:wrap}
.att-pick label{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;
  border:1px solid var(--line);cursor:pointer;font-size:12.5px;background:#fff}
.att-pick input{display:none}
.att-pick label.on-present{background:var(--ok-soft);border-color:var(--ok);color:var(--ok);
  font-weight:700}
.att-pick label.on-absent{background:var(--danger-soft);border-color:var(--danger);
  color:var(--danger);font-weight:700}
.att-pick label.on-late{background:var(--warn-soft);border-color:var(--warn);color:var(--warn);
  font-weight:700}
.att-pick label.on-excused{background:var(--info-soft);border-color:var(--info);color:var(--info);
  font-weight:700}
.sticky-bar{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);
  padding:10px 14px;display:flex;gap:9px;align-items:center;box-shadow:0 -3px 12px rgba(20,35,60,.07)}

/* ---------- tro chuyen ---------- */
.chat-wrap{display:grid;grid-template-columns:288px 1fr;gap:14px;
  height:calc(100vh - 118px);min-height:430px}
.chat-side{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.chat-side-head{padding:10px 12px;border-bottom:1px solid var(--line);background:#fafbfd;
  display:flex;gap:6px}
.chat-side-head .btn{flex:1;padding:6px 8px;font-size:12.5px}
.conv-list{overflow-y:auto;flex:1}
.conv-group{font-size:11px;font-weight:800;color:var(--muted);letter-spacing:.6px;
  padding:11px 12px 4px;text-transform:uppercase}
.conv{display:flex;gap:9px;align-items:center;padding:9px 12px;cursor:pointer;
  border-bottom:1px solid #f4f6fa}
.conv:hover{background:#f6f9fd}
.conv.active{background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand)}
.conv .cav{width:34px;height:34px;border-radius:10px;background:#dce6f7;color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex:0 0 auto}
.conv.direct .cav{border-radius:50%;background:var(--brand);color:#fff}
.conv .cbody{flex:1;min-width:0}
.conv .cname{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.conv .cprev{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.conv .cunread{background:#ff4d4f;color:#fff;font-size:11px;font-weight:800;border-radius:20px;
  padding:1px 7px;flex:0 0 auto}

.chat-main{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;min-width:0}
.chat-head{padding:11px 16px;border-bottom:1px solid var(--line);background:#fafbfd;
  display:flex;align-items:center;gap:10px}
.chat-head h2{margin:0;font-size:15.5px}
.chat-head .spacer{flex:1}
.chat-log{flex:1;overflow-y:auto;padding:16px;background:#f7f9fc}
.chat-day{text-align:center;margin:12px 0 10px}
.chat-day span{background:#dfe6f0;color:#5c6b81;font-size:11.5px;font-weight:700;
  padding:3px 12px;border-radius:20px}
.msg{display:flex;gap:9px;margin-bottom:9px;align-items:flex-end}
.msg .mav{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;
  flex:0 0 auto}
.msg .bubble{background:#fff;border:1px solid var(--line);border-radius:14px 14px 14px 4px;
  padding:8px 12px;max-width:min(74%,620px);box-shadow:0 1px 2px rgba(20,35,60,.05)}
.msg .who{font-size:11.5px;font-weight:800;color:var(--brand-dark);margin-bottom:2px}
.msg .txt{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.msg .when{font-size:10.5px;color:var(--muted);margin-top:3px;text-align:right}
.msg.mine{flex-direction:row-reverse}
.msg.mine .bubble{background:var(--brand);border-color:var(--brand);color:#fff;
  border-radius:14px 14px 4px 14px}
.msg.mine .who{display:none}
.msg.mine .when{color:rgba(255,255,255,.75)}
.msg.mine .bubble a{color:#fff;text-decoration:underline}
.msg.cont{margin-top:-5px}
.msg.cont .mav{visibility:hidden}
.msg.cont .who{display:none}
.msg .del{border:none;background:none;color:var(--muted);font-size:11px;cursor:pointer;
  opacity:0;align-self:center;padding:0 4px}
.msg:hover .del{opacity:1}
.msg .sysline{font-size:12px;color:var(--muted);font-style:italic;text-align:center;width:100%}
.msg .gone{font-style:italic;color:var(--muted)}
.msg.mine .gone{color:rgba(255,255,255,.8)}
.chat-file{display:flex;align-items:center;gap:7px;font-size:13px}
.chat-img{max-width:260px;max-height:220px;border-radius:9px;display:block;margin-top:4px}
.task-ref{font-weight:700;text-decoration:underline;cursor:pointer}
.chat-compose{border-top:1px solid var(--line);padding:10px 12px;display:flex;gap:8px;
  align-items:flex-end;background:#fff}
.chat-compose textarea{flex:1;resize:none;min-height:40px;max-height:150px;padding:9px 12px;
  border:1px solid var(--line);border-radius:11px;background:#fbfcfe;font-size:14px}
.chat-compose textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);
  flex-direction:column;gap:8px;text-align:center;padding:20px}
@media(max-width:900px){
  .chat-wrap{grid-template-columns:1fr;height:auto}
  .chat-side{max-height:230px}
  .chat-log{height:52vh}
}

/* ---------- hop thoai ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(12,24,42,.5);display:flex;
  align-items:flex-start;justify-content:center;padding:28px 16px;z-index:100;overflow:auto}
.modal{background:#fff;border-radius:16px;width:100%;max-width:760px;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;max-height:calc(100vh - 56px)}
.modal.wide{max-width:960px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;
  border-bottom:1px solid var(--line)}
.modal-head h2{font-size:17px;margin:0}
.modal-body{padding:18px 20px;overflow:auto}
.modal-foot{padding:12px 20px;border-top:1px solid var(--line);display:flex;gap:9px;
  justify-content:flex-end;background:#fafbfd;flex-wrap:wrap}
.modal-foot .spacer{flex:1}

/* ---------- chi tiet cong viec ---------- */
.detail-top{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap;margin-bottom:12px}
.detail-top h3{margin:0;font-size:18px;flex:1;min-width:220px}
.meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;
  background:#f7f9fc;border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:14px}
.meta-grid .k{font-size:11.5px;color:var(--muted);font-weight:700}
.meta-grid .v{font-size:13.5px;font-weight:600;margin-top:2px}
.section-title{font-weight:700;font-size:13.5px;margin:16px 0 8px;color:#3a4a61;
  border-left:3px solid var(--brand);padding-left:8px}
.sub-item{display:flex;align-items:center;gap:8px;padding:5px 0;border-bottom:1px dashed #eef1f6}
.sub-item.done label{text-decoration:line-through;color:var(--muted)}
.sub-item label{flex:1;cursor:pointer}
.comment{padding:9px 0;border-bottom:1px solid #f2f5f9}
.comment b{font-size:13px} .comment time{color:var(--muted);font-size:11.5px;margin-left:6px}
.comment p{margin:3px 0 0;white-space:pre-wrap}
.file-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px dashed #eef1f6;
  font-size:13px}
.file-item a{flex:1}
.log-item{font-size:12.5px;color:#54637a;padding:4px 0;border-bottom:1px dashed #f0f3f8}
.log-item time{color:var(--muted);margin-right:6px}
.stars{font-size:18px;letter-spacing:2px;color:#f0a500}
.star-pick{font-size:24px;letter-spacing:4px;cursor:pointer;color:#d6dce6;user-select:none}
.star-pick i{font-style:normal;cursor:pointer}
.star-pick i.on{color:#f0a500}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#16202e;
  color:#fff;padding:11px 20px;border-radius:10px;z-index:200;box-shadow:var(--shadow-lg);
  font-size:13.5px;max-width:90vw}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

@media(max-width:900px){
  .sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:80;transition:.2s}
  .sidebar.open{left:0}
  .only-mobile{display:inline-block}
  .content{padding:14px}
}
@media print{
  .sidebar,.topbar,.page-head .btn,.filters{display:none !important}
  .content{padding:0}
  .panel{box-shadow:none;break-inside:avoid}
}

/* ung dung trung tam + tuyen sinh (18/10/2026) */
.apps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.app-card { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; text-decoration: none; color: inherit; background: #fff; }
.app-card:hover { border-color: #9cc0f5; background: #f6f9ff; }
.app-ico { font-size: 24px; } .app-txt { flex: 1; display: flex; flex-direction: column; }
.app-txt small { color: #6b7280; font-size: 12px; }
.app-st { font-size: 11.5px; padding: 2px 8px; border-radius: 99px; background: #eef1f6; color: #6b7280; white-space: nowrap; }
.app-st.on { background: #e6f6ea; color: #2f9e44; } .app-st.off { background: #fdecec; color: #c92a2a; }
.app-row { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.lead-link { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; background: #f0f6ff; border: 1px solid #cfe0fb;
  border-radius: 8px; padding: 8px 10px; margin-bottom: 12px; }

/* tai khoan thuoc nhieu bo phan */
.dept-pick { border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; max-height: 220px; overflow: auto; margin-top: 4px; }
.dept-row { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0; border-bottom: 1px dashed var(--line); }
.dept-row:last-child { border-bottom: none; }
.dept-row label { display: flex; gap: 6px; align-items: center; font-size: 14px; }
.ud-view-l { color: #6b7280; font-size: 13px !important; }
.dept-pick input[type=checkbox] { width: auto !important; flex: none; margin: 0; padding: 0; }
.dept-pick label { white-space: nowrap; margin: 0; width: auto; }
.dept-pick label:first-child { flex: 1; font-weight: 600; color: var(--text, #1f2933); }


/* ======================= DIEN THOAI (19/10/2026) ======================= */
.only-mobile{display:none}
@media(max-width:900px){
  .only-mobile{display:inline-block}
  html,body{overflow-x:hidden}
  .main{min-width:0;width:100%}
  .sidebar{box-shadow:none}
  .sidebar.open{box-shadow:0 0 0 100vmax rgba(12,24,42,.45)}
  /* thanh tren cung gon: menu - tim kiem - nut giao viec - chuong - avatar */
  .topbar{padding:8px 10px;gap:6px;position:sticky;top:0;z-index:50}
  .search-wrap{min-width:0;max-width:none}
  .search-wrap input{padding:7px 9px;font-size:16px}
  #btnNewTask{padding:7px 11px;font-size:17px;line-height:1}
  #btnNewTask .lbl{display:none}
  .me{gap:0} .me > div:not(.avatar){display:none}
  .avatar{width:32px;height:32px}
  .content{padding:12px 10px 70px}
  .page-head{margin-bottom:10px;gap:8px}
  .page-head h1{font-size:18px;width:100%}
  /* o so lieu 2 cot */
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .card{padding:10px 12px}
  .card .k{font-size:11.5px;line-height:1.3}
  .card .v{font-size:22px}
  /* bang: cuon ngang ben trong khung, khong lam xo lech ca trang */
  .panel{overflow-x:auto}
  .panel-head{flex-wrap:wrap;gap:6px}
  .panel table{min-width:520px}
  .conn{flex-wrap:wrap} .conn code{word-break:break-all;white-space:normal}
  /* bang cong viec -> dang the */
  .panel table.task-table{min-width:0}
  table.task-table thead{display:none}
  table.task-table, table.task-table tbody{display:block;width:100%}
  table.task-table tr{display:grid;grid-template-columns:1fr auto;gap:3px 10px;padding:10px 12px;
    border-bottom:1px solid var(--line)}
  table.task-table td{display:block;padding:0;border:none}
  table.task-table td.code{grid-column:1;font-size:11.5px;color:var(--muted)}
  table.task-table td.t-st{grid-column:2;grid-row:1;justify-self:end}
  table.task-table td.t-title{grid-column:1 / -1}
  table.task-table td.t-who{grid-column:1;font-size:12.5px;color:var(--muted)}
  table.task-table td.t-due{grid-column:2;justify-self:end;font-size:12.5px}
  table.task-table td.t-pri{grid-column:1}
  table.task-table td.t-prog{grid-column:2;min-width:90px !important}
  /* bo loc thu gon */
  .filter-toggle{margin-bottom:8px}
  .filters{display:none}
  .filters.open{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .filters select,.filters input{width:100%;font-size:16px;min-width:0}
  .filters .btn{width:100%}
  /* hop thoai: tran toan man hinh */
  .modal-backdrop{padding:0;align-items:stretch}
  .modal,.modal.wide{max-width:none;border-radius:0;max-height:none;min-height:100%}
  .modal-head{position:sticky;top:0;background:#fff;z-index:2;padding:12px 14px}
  .modal-body{padding:14px}
  .modal-foot{position:sticky;bottom:0;padding:10px 12px;gap:6px}
  .modal-foot .btn{flex:1 1 auto}
  .modal-foot .spacer{display:none}
  .meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .detail-top h3{min-width:0}
  input,select,textarea{font-size:16px}       /* iPhone khong tu phong to khi go */
  /* tab ngang cuon duoc */
  .tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tab{white-space:nowrap;padding:8px 11px}
  /* kanban + lich */
  .kanban{grid-template-columns:repeat(5,82vw);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .kcol{scroll-snap-align:start}
  .calendar{font-size:11px}
  .cal-cell{min-height:64px;padding:3px}
  .cal-task{font-size:10px;padding:1px 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cal-head{padding:5px 2px;font-size:11px}
  .apps-grid{grid-template-columns:1fr}
  .dropdown{position:fixed;left:8px;right:8px;top:54px;width:auto;max-width:none}
}
@media(max-width:900px){
  #tsFrame{height:calc(100vh - 64px) !important;border-radius:8px !important}
  .content:has(#tsFrame){padding:6px 4px 0}
}

/* dien thoai: man diem danh dang the, khong cuon ngang (19/10/2026) */
@media(max-width:900px){
  .panel table.att-table{min-width:0}
  table.att-table thead{display:none}
  table.att-table, table.att-table tbody{display:block;width:100%}
  table.att-table tr{display:block;padding:10px 12px;border-bottom:1px solid var(--line)}
  table.att-table td{display:block;padding:0;border:none}
  table.att-table td.a-st{margin:7px 0 6px}
  table.att-table .att-pick{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
  table.att-table .att-pick label{justify-content:center;padding:7px 2px;font-size:12.5px}
  table.att-table td.a-code select{width:100%}
  .at-cls{flex:1 1 100%;display:flex;align-items:center;gap:6px}
  .at-cls select{flex:1;min-width:0;width:100%}
  #atInfo{flex:1 1 100%}
  .sticky-bar{flex-wrap:wrap;gap:6px}
  .sticky-bar .spacer{display:none}
  .sticky-bar #atSummary{order:-1;flex:1 1 100%}
  .sticky-bar .btn{flex:1 1 auto}
}
@media(max-width:900px){
  .panel table.today-table{min-width:0}
  table.today-table thead{display:none}
  table.today-table, table.today-table tbody{display:block;width:100%}
  table.today-table tr{display:grid;grid-template-columns:auto 1fr auto;gap:2px 8px;align-items:center;
    padding:10px 12px;border-bottom:1px solid var(--line)}
  table.today-table td{display:block;padding:0;border:none;text-align:left}
  table.today-table td.d-time{grid-column:1;grid-row:1}
  table.today-table td.d-cls{grid-column:2;grid-row:1}
  table.today-table td.d-mark{grid-column:3;grid-row:1}
  table.today-table td.d-course,table.today-table td.d-room,table.today-table td.d-gv,
  table.today-table td.d-n{grid-column:1 / 3;font-size:12.5px;color:var(--muted)}
  table.today-table td.d-room:before{content:"Phòng: "}
  table.today-table td.d-gv:before{content:"GV: "}
  table.today-table td.d-n:before{content:"Sĩ số: "}
  table.today-table td.d-btn{grid-column:3;grid-row:2 / 6;align-self:end}
}

/* logo trung tam (19/10/2026) */
.login-img{display:block;width:210px;max-width:70%;margin:0 auto 14px}
.brand-logo{background:#fff;border-radius:12px;padding:8px 10px;margin-bottom:6px}
.brand-logo img{display:block;width:100%;height:auto}
.brand-sub{text-align:center}
/* logo nho lai, menu cuon duoc khi man hinh thap */
.brand{padding:2px 6px 12px}
.brand-logo{padding:5px 8px;margin:0 auto 4px;max-width:150px}
.brand-logo img{max-height:62px;width:auto;margin:0 auto}
.sidebar{overflow-y:auto}
.nav-item{padding:8px 12px}
@media(min-width:901px){
  .sidebar{position:sticky;top:0;height:100vh;align-self:flex-start}
  .sidebar-foot .btn{padding:6px 10px}
}