:root{
  --navy:#123a63; --navy-2:#0d2c4c; --red:#b3261e; --red-soft:#fdecea; --gold:#c99a2e;
  --bg:#f3f5f8; --panel:#fff; --line:#dde3ea; --line-2:#c9d2dc; --text:#1c2733; --muted:#5d6b7a;
  --ok:#1e7d4a; --ok-soft:#e6f4ec; --warn:#a15c00; --warn-soft:#fff3df; --calc:#f1f3f5; --sel:#1a73e8; --sel-soft:#e8f0fe;
  --r:8px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-size:14px}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--navy)}
.hidden{display:none!important}

/* ---------- đăng nhập ---------- */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#0d2c4c 0%,#123a63 55%,#1d4f80 100%);padding:24px}
.login .card{width:min(420px,100%);background:#fff;border-radius:14px;padding:32px 30px 24px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login .emb{width:58px;height:58px;border-radius:50%;background:var(--red);color:#ffd76a;display:grid;place-items:center;font-weight:800;font-size:17px;margin:0 auto 12px;letter-spacing:-.5px}
.login h1{font-size:18px;text-align:center;margin:0 0 4px;color:var(--navy);letter-spacing:.2px}
.login p.sub{text-align:center;color:var(--muted);margin:0 0 22px;font-size:13px}
.login label{display:block;font-weight:600;margin:12px 0 6px;font-size:13px}
.login input{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:8px;outline:none}
.login input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(18,58,99,.12)}
.login .btn{width:100%;margin-top:18px;padding:11px;justify-content:center}
.login .lfoot{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}
.err{color:var(--red);font-size:13px;margin-top:10px;min-height:18px}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);background:#fff;border-radius:7px;padding:7px 12px;cursor:pointer;font-weight:600;font-size:13px;white-space:nowrap;line-height:1.2}
.btn:hover{background:#f6f8fa}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.primary:hover{background:var(--navy-2)}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.red:hover{filter:brightness(.95)}
.btn.green{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.ghost{border-color:transparent;background:transparent}
.btn.sm{padding:4px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn .ic{font-size:15px;line-height:1}

/* ---------- khung ---------- */
.shell{display:grid;grid-template-columns:268px 1fr;grid-template-rows:56px 1fr 28px;height:100vh}
.top{grid-column:1/3;background:var(--navy);color:#fff;display:flex;align-items:center;gap:14px;padding:0 14px;border-bottom:3px solid var(--red)}
.top .brand{display:flex;align-items:center;gap:10px;min-width:244px;max-width:520px}
.top .emb{width:36px;height:36px;border-radius:50%;background:var(--red);color:#ffd76a;display:grid;place-items:center;font-weight:800;font-size:11.5px;flex:none}
.top .brand b{display:block;font-size:13.5px;letter-spacing:.2px}
.top .brand small{display:block;opacity:.75;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:460px}
.top .brand>div{min-width:0}
.top select{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:7px;padding:6px 10px;max-width:420px}
.top select option{color:#000}
.top .grow{flex:1}
.presence{display:flex;align-items:center}
.av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;border:2px solid var(--navy);margin-left:-6px;cursor:default}
.top .user{display:flex;align-items:center;gap:8px;cursor:pointer;padding:5px 8px;border-radius:8px;position:relative}
.top .user:hover{background:rgba(255,255,255,.08)}
.menu{position:absolute;right:0;top:44px;background:#fff;color:var(--text);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.18);min-width:200px;padding:6px;z-index:50}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 10px;border-radius:6px;cursor:pointer}
.menu button:hover{background:var(--bg)}
.side{background:#fff;border-right:1px solid var(--line);overflow:auto;padding:10px 8px 20px}
.side h6{margin:14px 10px 6px;font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.side a{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:7px;color:var(--text);text-decoration:none;font-size:13px;cursor:pointer}
.side a:hover{background:var(--bg)}
.side a.on{background:var(--sel-soft);color:var(--navy);font-weight:700}
.side .step{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--navy);color:#fff;font-size:11px;font-weight:700;flex:none}
.side .sub a{padding-left:38px}
.side .badge{margin-left:auto}
.badge{display:inline-block;min-width:20px;padding:1px 6px;border-radius:10px;font-size:11px;font-weight:700;text-align:center}
.badge.bad{background:var(--warn-soft);color:var(--warn)}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.n{background:var(--bg);color:var(--muted)}
.main{overflow:auto;padding:16px 18px;min-width:0}
.foot{grid-column:1/3;background:#fff;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;padding:0 14px}

/* ---------- trang ---------- */
.ph{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.ph h2{margin:0;font-size:19px;color:var(--navy)}
.ph .desc{color:var(--muted);font-size:13px;margin-top:3px;max-width:900px}
.ph .act{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.panel.pad{padding:14px 16px}
.panel h3{margin:0 0 10px;font-size:15px;color:var(--navy)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;box-shadow:var(--shadow);border-top:3px solid var(--navy)}
.kpi:nth-child(2){border-top-color:var(--gold)}.kpi:nth-child(3){border-top-color:var(--ok)}.kpi:nth-child(4){border-top-color:var(--red)}
.kpi small{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.3px}
.kpi b{display:block;font-size:24px;margin:4px 0 2px;color:var(--text)}
.kpi span{color:var(--muted);font-size:12px}
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
@media(max-width:1100px){.grid2{grid-template-columns:1fr}}
table.t{border-collapse:collapse;width:100%;font-size:13px}
table.t th{background:#f6f8fa;text-align:left;font-weight:700;color:#344456;border-bottom:1px solid var(--line);padding:8px 10px;font-size:12.5px;position:sticky;top:0}
table.t td{border-bottom:1px solid var(--line);padding:7px 10px;vertical-align:top}
table.t tr:hover td{background:#fafbfc}
.pill{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11.5px;font-weight:700}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.bad{background:var(--warn-soft);color:var(--warn)}
.pill.lock{background:#eceff3;color:#4b5866}
.pill.red{background:var(--red-soft);color:var(--red)}
.bar{height:7px;background:#e8ecf1;border-radius:4px;overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;background:var(--ok)}
.steps td:first-child{font-weight:700;color:var(--navy);white-space:nowrap}
.note{background:#fff8e6;border:1px solid #f1d58f;border-radius:8px;padding:10px 12px;font-size:13px;color:#5b4300;margin-bottom:12px}
.note.blue{background:#eef4fb;border-color:#c8daf0;color:#1b3d63}

/* ---------- lưới nhập liệu ---------- */
.toolbar{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.toolbar .sp{flex:1}
.toolbar input[type=search]{border:1px solid var(--line-2);border-radius:7px;padding:6px 10px;width:220px}
.toolbar label.chk{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--muted);cursor:pointer}
.gridwrap{background:#fff;border:1px solid var(--line-2);border-radius:var(--r);overflow:auto;height:calc(100vh - 248px);min-height:320px;position:relative;outline:none}
table.g{border-collapse:separate;border-spacing:0;font-size:13px;table-layout:fixed}
table.g th,table.g td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;height:30px;overflow:hidden}
table.g thead th{position:sticky;top:0;z-index:3;background:#eef2f6;font-weight:700;font-size:12px;color:#2c3e50;vertical-align:bottom}
table.g thead th .h{padding:5px 6px 6px;white-space:normal;line-height:1.25;min-height:44px;display:flex;flex-direction:column;justify-content:flex-end}
table.g thead th .h em{font-style:normal;color:#8a97a6;font-size:11px;font-weight:600}
table.g thead th.calc{background:#e4e7eb;color:#4a5562}
table.g thead th .q{cursor:help;color:var(--sel);margin-left:3px}
table.g th.rn,table.g td.rn{position:sticky;left:0;z-index:2;background:#f6f8fa;text-align:center;color:#7b8794;font-size:11.5px;width:46px;min-width:46px}
table.g thead th.rn{z-index:4}
table.g td.rn label{display:flex;align-items:center;justify-content:center;gap:3px;height:30px;cursor:pointer}
table.g td .c{padding:5px 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;height:30px;line-height:20px;cursor:cell}
table.g.wrap td .c{white-space:normal;height:auto;min-height:30px;max-height:96px;overflow:auto}
table.g td.calc{background:var(--calc);color:#3b4652}
table.g td.num .c{text-align:right;font-variant-numeric:tabular-nums}
table.g td.st .c{font-weight:700;font-size:11.5px}
table.g td.st.ok .c{color:var(--ok)}
table.g td.st.bad .c{color:var(--warn);background:var(--warn-soft)}
table.g td.inv .c{color:var(--red)}
table.g td.sel{box-shadow:inset 0 0 0 2px var(--sel)}
table.g td.rng{background:var(--sel-soft)}
table.g td.flash{animation:fl 1.6s ease}
@keyframes fl{0%{background:#fff3b0}100%{background:inherit}}
table.g tr.ghost td{height:30px;color:#8a97a6;font-style:italic;background:#fbfcfd}
table.g tr.ghost td .c{cursor:text}
table.g tr.checked td{background:#fff4f2}
.editor{position:absolute;z-index:20;border:2px solid var(--sel);background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.18);padding:0}
.editor textarea,.editor input{border:0;outline:none;width:100%;padding:5px 7px;resize:none;display:block;font-size:13px;line-height:20px}
.dd{position:absolute;z-index:30;background:#fff;border:1px solid var(--line-2);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.2);max-height:300px;overflow:auto;min-width:260px;font-size:13px}
.dd div{padding:7px 10px;cursor:pointer;border-bottom:1px solid #f1f3f5}
.dd div small{color:var(--muted);display:block;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dd div.on,.dd div:hover{background:var(--sel-soft)}
.dd .empty{color:var(--muted);cursor:default}
.pager{display:flex;align-items:center;gap:8px;margin-top:8px;color:var(--muted);font-size:12.5px}
.helpbox{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;margin-bottom:10px}
.helpbox div{background:#fff;border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:12.5px}
.helpbox b{color:var(--navy)}
.helpbox .w{color:var(--red);margin-top:4px}
.tip{position:fixed;z-index:100;max-width:380px;background:#1f2933;color:#fff;font-size:12.5px;line-height:1.45;padding:9px 11px;border-radius:7px;pointer-events:none;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.tip b{color:#ffd76a}

/* ---------- hộp thoại ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;z-index:80;padding:20px}
.modal{background:#fff;border-radius:12px;width:min(720px,100%);max-height:92vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal.wide{width:min(980px,100%)}
.modal header{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.modal header h3{margin:0;font-size:16px;color:var(--navy);flex:1}
.modal .body{padding:16px 18px}
.modal footer{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;position:sticky;bottom:0;background:#fff}
.form{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 14px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:12.5px;font-weight:700;margin-bottom:4px;color:#344456}
.form input,.form select,.form textarea{width:100%;border:1px solid var(--line-2);border-radius:7px;padding:8px 10px;background:#fff}
.form textarea{min-height:70px}
.form fieldset{grid-column:1/-1;border:1px dashed #9cc5a6;background:#f5fbf7;border-radius:8px;padding:10px 12px 12px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px 14px}
.form fieldset legend{font-weight:700;color:var(--ok);font-size:12.5px;padding:0 6px}
.toast{position:fixed;right:18px;bottom:40px;z-index:120;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.toast div{background:#1f2933;color:#fff;padding:10px 14px;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:460px;font-size:13px;animation:tin .2s ease}
.toast div.e{background:var(--red)}
.toast div.s{background:var(--ok)}
@keyframes tin{from{transform:translateY(8px);opacity:0}}
.docs table{border-collapse:collapse;width:100%;font-size:12.5px;margin-bottom:6px}
.docs td{border:1px solid var(--line);padding:5px 7px;vertical-align:top}
.docs tr:first-child td{background:#eef2f6;font-weight:700}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:10px}
.tabs button{border:1px solid var(--line-2);background:#fff;border-radius:16px;padding:5px 12px;cursor:pointer;font-size:12.5px}
.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.muted{color:var(--muted)}
.mono{font-family:Consolas,"Courier New",monospace}
.spin{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .8s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
@media(max-width:900px){.shell{grid-template-columns:1fr}.side{display:none}.top .brand{min-width:0}.top .brand small{display:none}}
@media print{.top,.side,.foot,.toolbar,.pager{display:none}.shell{display:block}}

.catcher{position:absolute;left:0;top:0;width:2px;height:2px;opacity:0;border:0;padding:0;margin:0;resize:none;overflow:hidden;pointer-events:none;z-index:1;font-size:13px}
.side a .badge-wrap .badge{margin-left:0}

.tbtns{display:flex;gap:6px;align-items:center;margin-right:6px}
.tbtns .btn{border-color:rgba(255,255,255,.35);color:var(--navy)}
.tbtns .btn.green,.tbtns .btn.red,.tbtns .btn.gold{color:#fff}
.btn.gold{background:#d9a21b;border-color:#d9a21b;color:#fff}
.steptabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 10px}
.steptabs a{padding:6px 12px;border-radius:7px;border:1px solid var(--line-2);background:#fff;color:var(--text);text-decoration:none;font-weight:600;font-size:13px}
.steptabs a.on{background:var(--red);border-color:var(--red);color:#fff}
.toolbar.modes{background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 8px}
table.g th.act,table.g td.act{position:sticky;right:0;z-index:2;background:#f6f8fa}
table.g thead th.act{z-index:4}
.acts{display:flex;gap:4px;justify-content:center;align-items:center;height:30px}
.acts button{border:1px solid var(--line-2);background:#fff;border-radius:6px;width:30px;height:24px;cursor:pointer;font-size:13px;line-height:1}
.acts button:hover{background:var(--sel-soft)}
.acts button.del:hover{background:var(--red-soft)}
@media(max-width:1250px){.tbtns .btn:not(.red){display:none}}