:root{
  --paper:#F6F7F4; --surface:#FFFFFF; --surface-2:#EDEFEB; --surface-3:#E3E7E1;
  --ink:#1A2229; --ink-2:#4B5862; --ink-3:#7B8790;
  --line:#D8DDD8; --line-2:#C3CAC3;
  --accent:#1F5F8B; --accent-2:#174963; --accent-soft:#E3EDF4;
  --ok:#2E6B4F; --ok-soft:#E1EDE6;
  --warn:#9A6A21; --warn-soft:#F5EBD8;
  --bad:#9C3B38; --bad-soft:#F4E2E1;
  --shadow:0 1px 2px rgba(26,34,41,.06), 0 8px 24px -16px rgba(26,34,41,.28);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#121719; --surface:#1A2124; --surface-2:#222A2D; --surface-3:#2A3337;
    --ink:#E7ECE8; --ink-2:#A9B4B7; --ink-3:#7B868A;
    --line:#2B3437; --line-2:#3A4549;
    --accent:#73B2D9; --accent-2:#9CCBE9; --accent-soft:#1B2E3A;
    --ok:#82C6A2; --ok-soft:#172B22;
    --warn:#D6A85F; --warn-soft:#2C2416;
    --bad:#E28E88; --bad-soft:#31201F;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -16px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --paper:#121719; --surface:#1A2124; --surface-2:#222A2D; --surface-3:#2A3337;
  --ink:#E7ECE8; --ink-2:#A9B4B7; --ink-3:#7B868A;
  --line:#2B3437; --line-2:#3A4549;
  --accent:#73B2D9; --accent-2:#9CCBE9; --accent-soft:#1B2E3A;
  --ok:#82C6A2; --ok-soft:#172B22;
  --warn:#D6A85F; --warn-soft:#2C2416;
  --bad:#E28E88; --bad-soft:#31201F;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -16px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html,body{margin:0; padding:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:Newsreader,Georgia,serif; font-weight:500; margin:0; text-wrap:balance}
button,input,select,textarea{font:inherit; color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:3px}
[hidden]{display:none!important}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace; font-variant-numeric:tabular-nums}

/* ------------------------------------------------------------ đăng nhập */
.login-screen{
  min-height:100vh; display:grid; place-items:center; padding:24px;
  background:
    radial-gradient(80% 60% at 50% 0%, var(--accent-soft) 0%, transparent 70%),
    var(--paper);
}
.login-card{
  width:min(380px,100%); background:var(--surface); border:1px solid var(--line);
  border-radius:12px; box-shadow:var(--shadow); padding:30px 28px 24px;
}
.login-card .mark{
  font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-bottom:6px;
}
.login-card h1{font-size:26px; letter-spacing:-.015em; margin-bottom:4px}
.login-card .sub{font-size:13px; color:var(--ink-3); margin:0 0 22px}
.login-card form{display:flex; flex-direction:column; gap:14px}
.login-card .err{
  font-size:12.5px; color:var(--bad); background:var(--bad-soft);
  border-radius:6px; padding:7px 10px;
}
.login-foot{margin-top:20px; padding-top:14px; border-top:1px solid var(--line); font-size:11.5px; color:var(--ink-3)}

/* ---------------------------------------------------------------- khung */
.app{display:grid; grid-template-columns:296px minmax(0,1fr); min-height:100vh}
.rail{
  background:var(--surface-2); border-right:1px solid var(--line);
  display:flex; flex-direction:column; position:sticky; top:0; max-height:100vh;
}
.rail-head{padding:18px 16px 12px; border-bottom:1px solid var(--line); display:flex; flex-direction:column; gap:12px}
.brand{display:flex; align-items:baseline; gap:8px}
.brand h1{font-size:20px; letter-spacing:-.01em}
.brand .tag{
  font-size:10px; letter-spacing:.09em; text-transform:uppercase; color:var(--ink-3);
  border:1px solid var(--line-2); padding:1px 5px; border-radius:3px;
}
.search{position:relative}
.search input{
  width:100%; padding:7px 10px 7px 28px; background:var(--surface); color:var(--ink);
  border:1px solid var(--line-2); border-radius:6px; font-size:13px;
}
.search svg{position:absolute; left:8px; top:50%; transform:translateY(-50%); color:var(--ink-3)}
.rail-scroll{overflow-y:auto; flex:1; padding:8px 8px 16px}
.rail-foot{border-top:1px solid var(--line); padding:10px 12px; display:flex; gap:6px; flex-wrap:wrap}

.navlink{
  display:flex; align-items:center; gap:8px; width:100%; text-align:left;
  background:none; border:0; padding:7px 10px; border-radius:6px; cursor:pointer;
  color:var(--ink-2); font-size:13px;
}
.navlink:hover{background:var(--surface-3); color:var(--ink)}
.navlink.on{background:var(--accent-soft); color:var(--accent); font-weight:500}
.navlink .n{margin-left:auto; font-size:12px; color:var(--ink-3)}
.navlink.on .n{color:var(--accent)}
.nav-sep{height:1px; background:var(--line); margin:10px 6px}

.cust-head{
  display:flex; align-items:center; gap:6px; width:100%; background:none; border:0;
  padding:7px 8px; cursor:pointer; border-radius:6px; text-align:left; color:var(--ink);
}
.cust-head:hover{background:var(--surface-3)}
.cust-head .caret{color:var(--ink-3); transition:transform .15s; flex:none}
.cust-head[aria-expanded="false"] .caret{transform:rotate(-90deg)}
.cust-head .nm{font-weight:500; font-size:13px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.cust-head .cnt{margin-left:auto; font-size:11px; color:var(--ink-3); flex:none}
.env-list{display:flex; flex-direction:column; gap:1px; padding:2px 0 6px 14px; border-left:1px solid var(--line); margin-left:15px}
.env-item{
  display:flex; align-items:center; gap:8px; background:none; border:0; cursor:pointer;
  padding:6px 8px; border-radius:5px; text-align:left; width:100%; color:var(--ink-2);
}
.env-item:hover{background:var(--surface-3); color:var(--ink)}
.env-item.on{background:var(--accent); color:#fff}
.env-item .code{font-size:12px; font-weight:500; flex:none}
.env-item .loc{font-size:11px; color:var(--ink-3); overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.env-item.on .loc{color:rgba(255,255,255,.75)}
.env-item .dot{width:6px; height:6px; border-radius:50%; background:var(--warn); margin-left:auto; flex:none}
.env-item.on .dot{background:#fff}

/* ----------------------------------------------------------------- main */
.main{min-width:0; display:flex; flex-direction:column}
.topbar{
  display:flex; align-items:center; gap:16px; padding:12px 24px;
  border-bottom:1px solid var(--line); background:var(--surface); flex-wrap:wrap;
}
.stats{display:flex; gap:18px; flex-wrap:wrap}
.stat{display:flex; align-items:baseline; gap:6px}
.stat b{font-family:"IBM Plex Mono",monospace; font-size:16px; font-weight:600; font-variant-numeric:tabular-nums}
.stat span{font-size:12px; color:var(--ink-3)}
.stat.w b{color:var(--warn)} .stat.b b{color:var(--bad)}
.topbar .spacer{margin-left:auto}
.whoami{display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--ink-2)}
.whoami .role{
  font-size:10px; letter-spacing:.07em; text-transform:uppercase; padding:2px 6px;
  border-radius:4px; background:var(--surface-2); color:var(--ink-3); border:1px solid var(--line);
}
.whoami .role.admin{background:var(--accent-soft); color:var(--accent); border-color:transparent}
.dot-live{width:7px; height:7px; border-radius:50%; background:var(--ok); flex:none}
.dot-live.off{background:var(--bad)}

.btn{
  display:inline-flex; align-items:center; gap:6px; padding:6px 11px; border-radius:6px;
  border:1px solid var(--line-2); background:var(--surface); color:var(--ink-2);
  cursor:pointer; font-size:13px; white-space:nowrap; text-decoration:none;
}
.btn:hover{border-color:var(--ink-3); color:var(--ink)}
.btn.primary{background:var(--accent); border-color:var(--accent); color:#fff}
.btn.primary:hover{background:var(--accent-2); border-color:var(--accent-2)}
.btn.ghost{border-color:transparent; background:transparent}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:3px 8px; font-size:12px}
.btn.danger{color:var(--bad); border-color:var(--bad-soft)}
.btn.danger:hover{border-color:var(--bad); background:var(--bad-soft)}
.btn:disabled{opacity:.45; cursor:not-allowed}
.btn.block{width:100%; justify-content:center; padding:9px}

.content{padding:24px; max-width:1180px; width:100%}

.banner{
  display:flex; align-items:center; gap:12px; padding:10px 14px; border-radius:8px;
  border:1px solid var(--line-2); background:var(--surface); margin-bottom:18px; flex-wrap:wrap;
}
.banner.warn{border-color:var(--warn); background:var(--warn-soft)}
.banner .txt{font-size:13px; color:var(--ink-2); min-width:200px; flex:1}
.banner .txt b{color:var(--ink)}

.sheet{background:var(--surface); border:1px solid var(--line); border-radius:10px; box-shadow:var(--shadow); overflow:hidden}
.sheet-head{padding:18px 22px 16px; border-bottom:1px solid var(--line); display:flex; gap:20px; align-items:flex-start; flex-wrap:wrap}
.sheet-head .id{flex:1; min-width:240px}
.eyebrow{font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3); margin-bottom:3px}
.sheet-head h2{font-size:24px; letter-spacing:-.01em; display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.env-code{
  font-family:"IBM Plex Mono",monospace; font-size:14px; font-weight:500;
  background:var(--accent-soft); color:var(--accent); padding:3px 8px; border-radius:5px;
}
.meta{display:flex; gap:20px; margin-top:10px; flex-wrap:wrap}
.meta div{font-size:12.5px; color:var(--ink-2)}
.meta .k{color:var(--ink-3); margin-right:5px}
.sheet-tools{display:flex; gap:6px; align-items:center; flex-wrap:wrap}

.tablewrap{overflow-x:auto}
table{width:100%; border-collapse:collapse; font-size:13.5px}
thead th{
  text-align:left; font-weight:500; font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-3); padding:9px 12px; border-bottom:1px solid var(--line);
  background:var(--surface-2); white-space:nowrap;
}
thead th.sortable{cursor:pointer; user-select:none}
thead th.sortable:hover{color:var(--ink)}
thead th .arrow{color:var(--accent); margin-left:3px}
tbody td{padding:8px 12px; border-bottom:1px solid var(--line); vertical-align:top}
tbody tr:hover{background:var(--surface-2)}
tbody tr.out-row{background:linear-gradient(90deg,var(--warn) 0 3px, transparent 3px)}
tbody tr.late-row{background:linear-gradient(90deg,var(--bad) 0 3px, transparent 3px)}
td.c-stt{width:56px}
td.c-name{min-width:220px}
td.c-status{width:168px}
td.c-note{min-width:180px; color:var(--ink-2)}
td.c-act,th.c-act{width:118px; text-align:right; white-space:nowrap}
.stt-in{
  width:44px; padding:2px 4px; text-align:center; border:1px solid transparent; border-radius:4px;
  background:transparent; font-family:"IBM Plex Mono",monospace; font-variant-numeric:tabular-nums; font-size:13px;
}
.stt-in:hover{border-color:var(--line-2)}
.stt-in:focus{border-color:var(--accent); background:var(--surface)}
.cell-edit{width:100%; border:1px solid transparent; border-radius:4px; padding:2px 5px; background:transparent; font-size:13.5px}
.cell-edit:hover{border-color:var(--line-2)}
.cell-edit:focus{border-color:var(--accent); background:var(--surface)}
.cell-edit[readonly]{cursor:default}
.cell-edit[readonly]:hover{border-color:transparent}
.doc-name{display:flex; flex-direction:column; gap:2px}
.holder{font-size:11.5px; color:var(--warn); display:flex; align-items:center; gap:5px}
.holder.late{color:var(--bad); font-weight:500}

.pill{
  display:inline-flex; align-items:center; gap:5px; padding:2px 9px; border-radius:999px;
  font-size:12px; font-weight:500; border:1px solid transparent;
}
button.pill{cursor:pointer}
button.pill:hover{border-color:currentColor}
.pill .bead{width:6px; height:6px; border-radius:50%; background:currentColor; flex:none}
.pill.ok{background:var(--ok-soft); color:var(--ok)}
.pill.warn{background:var(--warn-soft); color:var(--warn)}
.pill.bad{background:var(--bad-soft); color:var(--bad)}

.addrow{display:flex; gap:8px; align-items:center; padding:11px 12px; border-top:1px solid var(--line); background:var(--surface-2); flex-wrap:wrap}
.addrow .num{font-family:"IBM Plex Mono",monospace; color:var(--ink-3); font-size:13px; width:44px; text-align:center; flex:none}
.addrow input[type=text]{flex:1; min-width:160px; padding:6px 10px; border:1px solid var(--line-2); border-radius:6px; background:var(--surface); color:var(--ink)}
.addrow .hint{font-size:11.5px; color:var(--ink-3)}

.empty{padding:56px 24px; text-align:center; color:var(--ink-3)}
.empty h3{font-size:19px; color:var(--ink); margin-bottom:6px}
.empty p{margin:0 auto 16px; max-width:46ch; font-size:13.5px}

.hist{background:var(--surface-2)}
.hist td{padding:10px 12px 12px 66px}
.hist ol{margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:6px}
.hist li{display:flex; gap:10px; font-size:12.5px; align-items:baseline}
.hist .when{font-family:"IBM Plex Mono",monospace; color:var(--ink-3); flex:none; width:86px}
.hist .what{font-weight:500; flex:none; width:78px}
.hist .who{color:var(--ink-2)}
.hist .by{color:var(--ink-3); font-size:11.5px}
.hist .nothing{color:var(--ink-3); font-size:12.5px}

.section-head{display:flex; align-items:flex-end; gap:14px; margin-bottom:14px; flex-wrap:wrap}
.section-head h2{font-size:22px}
.section-head p{margin:0; font-size:13px; color:var(--ink-3)}

dialog{
  border:1px solid var(--line); background:var(--surface); color:var(--ink);
  border-radius:12px; padding:0; width:min(460px,calc(100vw - 32px));
  box-shadow:0 24px 60px -20px rgba(0,0,0,.5);
}
dialog::backdrop{background:rgba(16,22,26,.5)}
.dlg-head{padding:18px 22px 12px; border-bottom:1px solid var(--line)}
.dlg-head h3{font-size:19px}
.dlg-head p{margin:4px 0 0; font-size:12.5px; color:var(--ink-3)}
.dlg-body{padding:18px 22px; display:flex; flex-direction:column; gap:13px}
.dlg-foot{padding:12px 22px 18px; display:flex; gap:8px; justify-content:flex-end}
.field{display:flex; flex-direction:column; gap:4px}
.field label{font-size:12px; color:var(--ink-2); font-weight:500}
.field input,.field select,.field textarea{
  padding:7px 10px; border:1px solid var(--line-2); border-radius:6px;
  background:var(--paper); color:var(--ink); width:100%;
}
.field textarea{resize:vertical; min-height:56px}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.dlg-err{font-size:12.5px; color:var(--bad); background:var(--bad-soft); padding:7px 10px; border-radius:6px}

.toast{
  position:fixed; bottom:22px; left:50%; transform:translateX(-50%);
  background:var(--ink); color:var(--paper); padding:9px 16px; border-radius:8px;
  font-size:13px; box-shadow:var(--shadow); z-index:99; max-width:min(560px,90vw);
}
.toast.bad{background:var(--bad); color:#fff}

@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .rail{position:static; max-height:none; border-right:0; border-bottom:1px solid var(--line)}
  .rail-scroll{max-height:280px}
  .content{padding:16px}
  .topbar{padding:10px 16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important; animation:none!important}}

@media print{
  .rail,.topbar,.sheet-tools,.addrow,.banner,.no-print,td.c-act,th.c-act{display:none!important}
  body{background:#fff; color:#000}
  .app{display:block}
  .content{padding:0; max-width:none}
  .sheet{border:0; box-shadow:none}
  thead th{background:#fff; border-bottom:1.5px solid #000; color:#000}
  tbody td{border-bottom:1px solid #bbb}
  .pill{border:1px solid #666!important; background:#fff!important; color:#000!important}
}

/* ------------------------------------------------- màn hình tổng quan mới */
.home-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:18px; align-items:start}
.sheet-head.compact{padding:14px 18px 12px; align-items:center; gap:12px}
.sheet-head.compact h3{font-family:Newsreader,Georgia,serif; font-size:17px; font-weight:500}
.sheet-head .sub,td .sub{font-size:12px; color:var(--ink-3); margin:2px 0 0}

.minilist{list-style:none; margin:0; padding:0}
.minilist li{
  display:grid; grid-template-columns:1fr auto; gap:2px 12px; align-items:baseline;
  padding:10px 18px; border-top:1px solid var(--line);
}
.minilist li:hover{background:var(--surface-2)}
.minilist .ttl{
  grid-column:1; color:var(--ink); text-decoration:none; font-weight:500; font-size:13.5px;
}
.minilist .ttl:hover{color:var(--accent); text-decoration:underline}
.minilist .meta-line{grid-column:1; font-size:12px; color:var(--ink-3)}
.minilist .badge{
  grid-column:2; grid-row:1 / span 2; align-self:center; font-size:11.5px;
  color:var(--ink-3); background:var(--surface-2); border:1px solid var(--line);
  padding:2px 7px; border-radius:5px; white-space:nowrap;
}
.minilist .badge.bad{color:var(--bad); background:var(--bad-soft); border-color:transparent}

.envlink{color:var(--accent); text-decoration:none}
.envlink:hover{text-decoration:underline}
.nowrap{white-space:nowrap}
.empty.small{padding:26px 18px}
.empty.small p{margin:0}
.footnote{font-size:12.5px; color:var(--ink-3); margin-top:14px}
.rail-note{font-size:12px; color:var(--ink-3); padding:8px 10px}

.pager{
  display:flex; align-items:center; justify-content:center; gap:14px;
  padding:12px; border-top:1px solid var(--line); background:var(--surface-2);
  font-size:12.5px; color:var(--ink-3);
}