:root{
  --bg:#f4f6f9; --card:#fff; --line:#e2e6ea; --ink:#1f2933; --muted:#66707a;
  --brand:#0b6b52; --brand-d:#095440; --accent:#0d6efd; --danger:#c0392b;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{background:var(--brand);color:#fff;display:flex;align-items:center;gap:12px;padding:10px 18px;flex-wrap:wrap}
.topbar .brand{font-weight:700;font-size:16px;line-height:1.25}
.topbar-menu{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}
.topbar nav{display:flex;gap:4px;flex-wrap:wrap}
.topbar .account{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.topbar a{color:#dff3ec;padding:6px 10px;border-radius:6px;white-space:nowrap;text-decoration:none}
.topbar a:hover{background:var(--brand-d);text-decoration:none}
.topbar .who{font-size:13px;opacity:.95;white-space:nowrap}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid #ffffff66;color:#fff;font-size:20px;line-height:1;padding:3px 11px;border-radius:6px;cursor:pointer}

@media (max-width:880px){
  .topbar .brand{font-size:15px}
  .nav-toggle{display:block}
  .topbar-menu{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:2px;margin-top:6px}
  .topbar-menu.open{display:flex}
  .topbar nav{flex-direction:column;gap:2px}
  .topbar .account{flex-direction:column;align-items:stretch;margin-left:0;gap:2px;margin-top:6px;padding-top:8px;border-top:1px solid #ffffff33}
  .topbar a{padding:9px 10px}
}
.wrap{max-width:1050px;margin:22px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
h1{font-size:20px;margin:0 0 16px}
h2{font-size:16px;margin:0 0 12px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:7px;padding:9px 16px;font-size:14px;cursor:pointer;font-weight:600}
.btn:hover{background:var(--brand-d);text-decoration:none;color:#fff}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.sec:hover{background:#f0f2f5}
.btn.blue{background:var(--accent)}
.btn.sm{padding:5px 10px;font-size:13px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>.col{flex:1;min-width:180px}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 4px;font-weight:600}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid #cfd6dd;border-radius:7px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bfe3d8;border-color:var(--brand)}
textarea{resize:vertical}
.field{margin-bottom:14px}
.money{font-variant-numeric:tabular-nums;text-align:right;font-weight:700;font-size:17px}
.bangchu{font-style:italic;color:var(--brand-d);min-height:20px;margin-top:6px;font-weight:600}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f0f3f6;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tr:hover td{background:#f8fafb}
.right{text-align:right}
.tag{display:inline-block;background:#eef6f3;color:var(--brand-d);border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar .spacer{flex:1}
.pager{display:flex;gap:6px;justify-content:center;margin-top:16px;align-items:center}
.pager a,.pager span{padding:6px 11px;border:1px solid var(--line);border-radius:6px;background:#fff}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.muted{color:var(--muted);font-size:13px}
.login-box{max-width:380px;margin:8vh auto}
.login-box .logo{text-align:center;font-size:26px;margin-bottom:6px}
.err{background:#fdecea;color:var(--danger);border:1px solid #f5c6c0;padding:9px 12px;border-radius:7px;margin-bottom:12px;font-size:14px}
.hint{background:#fff8e6;border:1px solid #ffe08a;padding:8px 12px;border-radius:7px;font-size:13px;color:#7a5b00;margin-bottom:14px}
/* Autocomplete danh bạ đơn vị */
.ac-list{position:absolute;left:0;right:0;top:100%;z-index:30;background:#fff;border:1px solid #cfd6dd;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.12);max-height:320px;overflow:auto;margin-top:2px}
.ac-item{padding:8px 12px;cursor:pointer;border-bottom:1px solid #f0f2f5}
.ac-item:last-child{border-bottom:0}
.ac-item:hover,.ac-item.ac-active{background:#eef6f3}
.ac-item .ac-sub{font-size:12px;color:var(--muted);margin-top:2px}