/* Layout: sidebar (nav + profile) + work area; collapses to top tab strip on phones */
:root{
  --bg:#F3F6FB; --surface:#FFFFFF; --ink:#0F1E33; --muted:#5A6B82; --line:#DCE4EF;
  --brand:#004AAD; --brand-deep:#012247; --brand-tint:#E9F1FB; --on-brand:#FFFFFF;
  --ok:#137A4B; --ok-bg:#E3F4EA; --warn:#9A5B00; --warn-bg:#FFF1D9; --bad:#B42318; --bad-bg:#FDE7E5;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B1524; --surface:#122036; --ink:#E6EDF7; --muted:#9AAAC0; --line:#24364F;
  --brand:#7CB2FF; --brand-deep:#06101E; --brand-tint:#16294A; --on-brand:#06101E;
  --ok:#5FD39B; --ok-bg:#12352A; --warn:#F2B866; --warn-bg:#3A2A10; --bad:#FF8A80; --bad-bg:#3D1A1A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1524; --surface:#122036; --ink:#E6EDF7; --muted:#9AAAC0; --line:#24364F;
  --brand:#7CB2FF; --brand-deep:#06101E; --brand-tint:#16294A; --on-brand:#06101E;
  --ok:#5FD39B; --ok-bg:#12352A; --warn:#F2B866; --warn-bg:#3A2A10; --bad:#FF8A80; --bad-bg:#3D1A1A; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:400 14px/1.55 var(--f-body)}
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
aside{background:#004AAD;color:#E3EEFC;padding:20px 14px;display:flex;flex-direction:column;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.06em;color:#fff}
.logo img{width:44px;height:auto;flex:none}
.logo div{font-size:18px}
.logo small{display:block;font-weight:500;letter-spacing:0;color:#CFE0F8;font-size:12px}
nav{display:flex;flex-direction:column;gap:2px}
nav button{all:unset;cursor:pointer;padding:9px 12px;border-radius:8px;color:#E3EEFC;font-weight:500}
nav button:hover{background:rgba(255,255,255,.12)}
nav button[aria-current="true"]{background:#fff;color:#004AAD;font-weight:600}
nav button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.btn:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #7CB2FF;outline-offset:2px}
.role{margin-top:auto;font-size:12px;color:#CFE0F8;display:grid;gap:6px}
.slogan{font-size:11.5px;font-style:italic;color:#CFE0F8}
.role select{background:#00347C;color:#fff;border:1px solid #5B8FD6;border-radius:6px;padding:6px}
main{padding-block:24px 48px;padding-inline:28px;min-width:0}
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:20px}
h1{font-size:22px;margin:0;text-wrap:balance}
.sub{color:var(--muted);font-size:13px}
.demo{font-size:12px;background:var(--warn-bg);color:var(--warn);padding:4px 10px;border-radius:99px;font-weight:500}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g2{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;min-width:0}
.panel h2{font-size:15px;margin:0 0 12px}
.stat .k{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .v{font:500 28px/1.2 var(--f-mono);margin-top:4px;font-variant-numeric:tabular-nums}
.stat .n{font-size:12px;color:var(--muted)}
.bar{height:6px;background:var(--brand-tint);border-radius:99px;margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--brand)}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
td.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:99px;white-space:nowrap}
.ok{background:var(--ok-bg);color:var(--ok)} .warn{background:var(--warn-bg);color:var(--warn)} .bad{background:var(--bad-bg);color:var(--bad)} .info{background:var(--brand-tint);color:var(--brand)}
.alert{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:8px;border:1px solid var(--line);border-left:4px solid var(--warn);background:var(--surface)}
.alert.bad{border-left-color:var(--bad);background:var(--surface);color:var(--ink)}
.alert strong{display:block}
form{display:grid;gap:12px}
label{display:grid;gap:4px;font-size:13px;font-weight:500}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:8px 10px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1 1 140px}
.btn{cursor:pointer;font:600 13px var(--f-body);border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);padding:8px 14px;border-radius:7px}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.sm{padding:4px 10px;font-size:12px;white-space:nowrap}
.slip{font-family:var(--f-mono);font-size:13px}
.slip .line{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line);gap:12px}
.slip .line.tot{border-bottom:0;border-top:2px solid var(--ink);font-weight:500;font-size:15px;margin-top:6px;padding-top:10px}
.slip .grp{font-family:var(--f-body);font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-top:14px}
.file{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.file .t{min-width:0;overflow-wrap:anywhere}
.file small{color:var(--muted)}
.report{background:var(--brand-tint);border-radius:8px;padding:14px 16px;font-size:13.5px;max-width:68ch}
.report h3{margin:0 0 6px;font-size:14px}
.report ul{margin:6px 0 0;padding-left:18px}
.toast{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:500}
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;font-family:var(--f-mono);font-size:12px}
.cal span{aspect-ratio:1.4;display:grid;place-items:center;border-radius:5px;background:var(--bg);max-width:100%}
.cal .h{background:transparent;color:var(--muted);font-family:var(--f-body);aspect-ratio:auto}
.cal .ot{background:var(--ok-bg);color:var(--ok)} .cal .lt{background:var(--warn-bg);color:var(--warn);font-weight:500}
.cal .lv{background:var(--brand-tint);color:var(--brand)} .cal .we{opacity:.45} .cal .fu{opacity:.35}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}

label{min-width:0}
input,select,textarea{max-width:100%;min-width:0}
.navlbl{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#CFE0F8;opacity:.8;padding:12px 12px 4px}
.sec{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 8px}
.sec:first-child{margin-top:0}
.pf{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.ups{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.up{position:relative;border:1.5px dashed var(--line);border-radius:10px;padding:10px;display:grid;gap:6px;justify-items:center;text-align:center;font-size:12.5px;color:var(--muted);cursor:pointer;background:var(--bg)}
.up:hover{border-color:var(--brand)}
.up .ph{width:100%;aspect-ratio:1.58;border-radius:6px;background:var(--surface);display:grid;place-items:center;overflow:hidden;max-width:100%}
.up.portrait .ph{aspect-ratio:.75;max-width:120px}
.up img{width:100%;height:100%;object-fit:cover}
.up input{position:absolute;width:1px;height:1px;opacity:0}
.up strong{color:var(--ink);font-size:13px}
.meter{display:flex;align-items:center;gap:10px;font-size:13px}
.meter .bar{flex:1;margin:0}
.file>.chip,.file>.pill{align-self:flex-start}
.chip{font-size:11px;font-weight:600;padding:1px 7px;border-radius:99px;background:var(--brand-tint);color:var(--brand);white-space:nowrap}
.chip.man{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
td input.cell,td select.cell{width:100%;min-width:60px;padding:5px 7px;font-size:13px}
td input.cell.n{width:70px;text-align:right;font-family:var(--f-mono)}
.link{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.link .ic{width:30px;height:30px;border-radius:7px;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none;color:#fff}
.link .t{min-width:0;flex:1;overflow-wrap:anywhere}
.link small{color:var(--muted)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.steps{display:flex;gap:6px;flex-wrap:wrap;font-size:12px}
.steps span{padding:3px 10px;border-radius:99px;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.steps span.on{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.steps span.done{background:var(--ok-bg);color:var(--ok);border-color:transparent}
.sig{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:center;font-size:12.5px;margin-top:16px}
.sig div{border-top:1px solid var(--line);padding-top:8px}

.letter{background:#fff;color:#111;border:1px solid var(--line);border-radius:6px;padding:28px 30px;font:14px/1.6 "Times New Roman",Times,serif;position:relative;overflow:hidden;max-width:100%}
.letter .lh{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;border-bottom:1px solid #999;padding-bottom:8px;margin-bottom:16px;flex-wrap:wrap}
.letter h3{text-align:center;font-size:17px;margin:6px 0 2px;letter-spacing:.02em}
.letter .c{text-align:center;font-style:italic;font-size:13px;margin-bottom:14px}
.letter .wm{position:absolute;inset:0;display:grid;place-items:center;font:700 54px/1 var(--f-body);color:rgba(180,35,24,.10);transform:rotate(-24deg);pointer-events:none;letter-spacing:.06em}
.letter .sg{display:flex;justify-content:flex-end;margin-top:22px;text-align:center}
.letter p{margin:6px 0}
.tl{display:grid;gap:0;border-left:2px solid var(--line);margin-left:6px;padding-left:16px}
.tl>div{position:relative;padding:4px 0 12px}
.tl>div::before{content:"";position:absolute;left:-22px;top:9px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.tl>div.past::before{background:var(--ok)}
@media (max-width:900px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g2{grid-template-columns:1fr}}
@media (max-width:720px){
  .app{grid-template-columns:150px minmax(0,1fr)}
  aside{padding:14px 10px;gap:14px}
  .logo{flex-direction:column;align-items:flex-start;gap:6px}
  .logo div{font-size:15px}
  nav button{padding:8px 10px;font-size:13px}
  .slogan{display:none}
  .role select{width:100%;font-size:12px}
  main{padding-inline:16px}
}
@media (max-width:480px){
  .app{grid-template-columns:118px minmax(0,1fr)}
  .logo small{display:none}
  nav button{font-size:12.5px;padding:8px}
  .g4{grid-template-columns:1fr}
}
aside{position:sticky;top:0;align-self:start;min-height:100vh}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* bản thật */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:500}
.flash.ok{background:var(--ok-bg);color:var(--ok)} .flash.err{background:var(--bad-bg);color:var(--bad)}
.login{min-height:100vh;display:grid;place-items:center;background:#004AAD;padding:16px}
.login .box{background:var(--surface);border-radius:12px;padding:28px;width:100%;max-width:380px;display:grid;gap:14px}
.login img{width:64px;background:#004AAD;border-radius:50%;padding:8px}
.inline{display:inline}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.muted{color:var(--muted)}
.right{text-align:right}
nav a{display:block;padding:9px 12px;border-radius:8px;color:#E3EEFC;font-weight:500;text-decoration:none}
nav a:hover{background:rgba(255,255,255,.12)}
nav a[aria-current="true"]{background:#fff;color:#004AAD;font-weight:600}
nav a:focus-visible{outline:2px solid #fff;outline-offset:2px}
.me{font-size:12.5px;color:#CFE0F8;margin-top:auto;display:grid;gap:6px}
.me a{color:#fff}
@media (max-width:720px){nav a{padding:8px 10px;font-size:13px}}
@media (max-width:480px){nav a{font-size:12.5px;padding:8px}}
/* Giấy tờ in */
.letter{background:#fff;color:#111;border:1px solid var(--line);border-radius:6px;padding:28px 30px;font:14px/1.6 "Times New Roman",Times,serif;position:relative;overflow:hidden;max-width:100%}
.letter .lh{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;border-bottom:1px solid #999;padding-bottom:8px;margin-bottom:16px;flex-wrap:wrap}
.letter h3{text-align:center;font-size:17px;margin:6px 0 2px;letter-spacing:.02em}
.letter .c{text-align:center;font-style:italic;font-size:13px;margin-bottom:14px}
.letter .wm{position:absolute;inset:0;display:grid;place-items:center;font:700 54px/1 var(--f-body);color:rgba(180,35,24,.10);transform:rotate(-24deg);pointer-events:none;letter-spacing:.06em}
.letter .sg{display:flex;justify-content:flex-end;margin-top:22px;text-align:center}
.letter .sg3{display:grid;grid-template-columns:repeat(3,1fr);margin-top:22px;text-align:center;gap:8px}
.letter p{margin:6px 0}
body.printpg{background:#eef1f5;padding:24px 16px}
.printpg .wrap{max-width:800px;margin:0 auto}
.printpg .tools{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
@media print{body.printpg{background:#fff;padding:0}.printpg .tools{display:none}.letter{border:0;padding:0}}
.chk{display:flex;flex-direction:row;align-items:center;gap:8px}.chk input{width:auto}
.navgrp summary{list-style:none;cursor:pointer;padding:9px 12px;border-radius:8px;color:#E3EEFC;font-weight:500;display:flex;justify-content:space-between;align-items:center}
.navgrp summary::-webkit-details-marker{display:none}
.navgrp summary::after{content:"▾";font-size:12px;opacity:.8;transition:transform .15s}
.navgrp:not([open]) summary::after{transform:rotate(-90deg)}
.navgrp summary:hover{background:rgba(255,255,255,.12)}
.navgrp a{padding-left:24px;font-size:.95em}
.who{display:flex;gap:10px;align-items:center;text-decoration:none;color:#fff}
.who small{color:#CFE0F8;font-size:11.5px}
.ava{width:46px;height:46px;border-radius:50%;object-fit:cover;object-position:top;border:2px solid #fff;flex:0 0 46px}
.ava.ini{display:grid;place-items:center;background:rgba(255,255,255,.18);color:#fff;font-weight:700;font-size:18px}
.docimg{display:block;max-width:100%;max-height:220px;border-radius:8px;border:1px solid var(--line);margin-bottom:10px}
.docimg.portrait{width:120px;height:160px;object-fit:cover;object-position:top}
.top{justify-content:flex-start;align-items:center;gap:18px}
.ava.big{width:84px;height:84px;flex:0 0 84px;border:3px solid #fff;box-shadow:0 2px 10px rgba(0,0,0,.12);font-size:30px;background:var(--brand)}