:root{
  color-scheme: light;
  --bg:#f4f6f8; --surface:#ffffff; --surface-2:#f8fafb; --line:#e3e7ec; --line-2:#cfd6de;
  --ink:#0f1720; --ink-2:#47525e; --muted:#7a8591;
  --brand:#0b5fa5; --brand-ink:#ffffff; --brand-soft:#e6f0fa; --brand-2:#084a82;
  --ok:#0a7d32; --ok-soft:#e5f5ea; --warn:#a15c00; --warn-soft:#fff4e0; --bad:#c42b2b; --bad-soft:#fdeaea; --info:#0b5fa5; --info-soft:#e6f0fa;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --s4:#eda100; --s5:#e87ba4;
  --seq-250:#86b6ef; --seq-350:#5598e7; --seq-450:#2a78d6; --seq-550:#1c5cab; --seq-650:#104281;
  --grid:#e1e0d9; --axis:#c3c2b7; --chart-surface:#fcfcfb;
  --st-good:#0ca30c; --st-warn:#fab219; --st-serious:#ec835a; --st-crit:#d03b3b;
  --radius:10px; --shadow:0 1px 2px rgba(15,23,32,.06),0 2px 8px rgba(15,23,32,.05);
  --font: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:where(:not([data-theme="light"])){
    color-scheme: dark;
    --bg:#0f1214; --surface:#171b1f; --surface-2:#1d2227; --line:#2a3036; --line-2:#3a424a;
    --ink:#eef2f5; --ink-2:#b8c2cc; --muted:#8a95a0;
    --brand:#4a9be8; --brand-ink:#06121e; --brand-soft:#132b42; --brand-2:#6db0f0;
    --ok:#4cc46f; --ok-soft:#12301c; --warn:#f0b54a; --warn-soft:#33270f; --bad:#f07070; --bad-soft:#3a1717; --info:#6db0f0; --info-soft:#132b42;
    --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500; --s5:#d55181;
    --seq-250:#184f95; --seq-350:#1c5cab; --seq-450:#2a78d6; --seq-550:#5598e7; --seq-650:#86b6ef;
    --grid:#2c2c2a; --axis:#383835; --chart-surface:#1a1a19;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font)}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:22px;line-height:1.25;margin:0 0 4px} h2{font-size:17px;margin:0 0 10px} h3{font-size:15px;margin:0 0 8px}
p{margin:0 0 10px} small,.muted{color:var(--muted)} .ink2{color:var(--ink-2)}
.tnum{font-variant-numeric:tabular-nums}
/* ---------- khung ---------- */
.env-ribbon{background:#fff3c4;color:#5c4400;text-align:center;font-size:13px;font-weight:600;padding:4px 8px;border-bottom:1px solid #f0d77a}
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{background:var(--surface);border-right:1px solid var(--line);padding:14px 10px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 14px;font-weight:800;letter-spacing:.2px;color:var(--ink)}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:14px}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:0}
.nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:8px;color:var(--ink-2);font-weight:500}
.nav a:hover{background:var(--surface-2);text-decoration:none}
.nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:650}
.nav .sec{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);padding:12px 10px 4px}
.pill{font-size:11px;font-weight:700;border-radius:999px;padding:1px 7px;background:var(--bad);color:#fff}
.main{min-width:0}
.topbar{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:10px 22px;border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:20}
.topbar .who{font-size:13px;color:var(--ink-2)} .topbar .who b{color:var(--ink)}
.content{padding:20px 22px 60px;max-width:1280px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.page-head p{margin:2px 0 0;color:var(--ink-2)}
.btn.menu-btn{display:none}
@media (max-width: 900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:270px;z-index:50;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  body.nav-open .side{transform:none}
  .btn.menu-btn{display:inline-flex}
  .content{padding:14px 14px 70px}
  .topbar{padding:8px 14px}
}
/* ---------- thẻ & lưới ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px;min-width:0}
.card.tight{padding:0;overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.card-head h2{margin:0}
.grid{display:grid;gap:16px} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:700px){.g2,.g3,.g4{grid-template-columns:1fr}}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);display:block;color:inherit}
a.tile:hover{text-decoration:none;border-color:var(--line-2)}
.tile .lbl{font-size:13px;color:var(--ink-2)} .tile .val{font-size:28px;font-weight:650;line-height:1.2;margin-top:2px} .tile .sub{font-size:12.5px;color:var(--muted);margin-top:2px}
.tile.alert{border-color:color-mix(in srgb,var(--bad) 45%,var(--line))}
.hero{font-size:48px;font-weight:650;line-height:1}
/* ---------- nút & form ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:8px;padding:8px 14px;font:600 14px/1.2 var(--font);cursor:pointer;min-height:38px;text-decoration:none!important;white-space:nowrap}
.btn:hover{background:var(--surface-2)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)} .btn.primary:hover{background:var(--brand-2)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,var(--line))} .btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.sm{padding:5px 10px;min-height:30px;font-size:13px} .btn.lg{padding:12px 18px;min-height:48px;font-size:16px} .btn.block{width:100%}
.btn[disabled],.btn.busy{opacity:.55;pointer-events:none}
.btns{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
label{display:block;font-weight:600;font-size:13.5px;margin:0 0 4px;color:var(--ink-2)}
.req::after{content:" *";color:var(--bad)} .opt{font-weight:400;color:var(--muted);font-size:12.5px}
input:not([type]),input[type=text],input[type=tel],input[type=password],input[type=date],input[type=datetime-local],input[type=number],input[type=search],input[type=email],select,textarea{
  width:100%;border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;font:15px/1.3 var(--font);background:var(--surface);color:var(--ink);min-height:40px}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 40%,transparent);border-color:var(--brand)}
.field{margin-bottom:12px} .field .help{font-size:12.5px;color:var(--muted);margin-top:3px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px} @media (max-width:700px){.form-grid{grid-template-columns:1fr}}
.span2{grid-column:1/-1}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:500;color:var(--ink);margin:4px 0} .check input{margin-top:3px;width:18px;height:18px}
.choices{display:grid;gap:8px} .choice{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line-2);border-radius:8px;padding:10px 12px;cursor:pointer;font-weight:500;color:var(--ink)}
.choice:has(input:checked){border-color:var(--brand);background:var(--brand-soft)} .choice input{margin-top:3px;width:18px;height:18px;flex:none}
.choice small{display:block;color:var(--ink-2);font-weight:400}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end} .inline-form .field{margin:0}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px} .filters input,.filters select{width:auto;min-width:150px}
/* ---------- thông báo ---------- */
.flash{border-radius:8px;padding:10px 14px;margin-bottom:14px;font-weight:550;border:1px solid}
.flash.ok{background:var(--ok-soft);border-color:color-mix(in srgb,var(--ok) 30%,transparent);color:var(--ok)}
.flash.err{background:var(--bad-soft);border-color:color-mix(in srgb,var(--bad) 30%,transparent);color:var(--bad)}
.flash.info{background:var(--info-soft);border-color:color-mix(in srgb,var(--info) 30%,transparent);color:var(--info)}
.note{background:var(--surface-2);border:1px dashed var(--line-2);border-radius:8px;padding:10px 12px;font-size:13.5px;color:var(--ink-2)}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:650;border-radius:999px;padding:2px 9px;white-space:nowrap;border:1px solid transparent}
.badge.ok{background:var(--ok-soft);color:var(--ok)} .badge.warn{background:var(--warn-soft);color:var(--warn)} .badge.bad{background:var(--bad-soft);color:var(--bad)}
.badge.info{background:var(--info-soft);color:var(--info)} .badge.muted{background:var(--surface-2);color:var(--ink-2);border-color:var(--line)}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex:none} .sq{width:11px;height:11px;border-radius:2px;display:inline-block;transform:rotate(45deg);flex:none}
/* ---------- bảng ---------- */
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:650;background:var(--surface-2);position:sticky;top:0}
tr:hover td{background:color-mix(in srgb,var(--surface-2) 60%,transparent)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.row-title{font-weight:600;color:var(--ink)} .row-sub{font-size:12.5px;color:var(--muted)}
.empty{padding:26px;text-align:center;color:var(--muted)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 12px;font-size:14px} .kv dt{color:var(--muted)} .kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
@media (max-width:600px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow:auto}
.tabs a{padding:8px 12px;border-bottom:2px solid transparent;color:var(--ink-2);font-weight:600;white-space:nowrap} .tabs a.on{border-color:var(--brand);color:var(--brand)} .tabs a:hover{text-decoration:none}
/* ---------- hàng việc CSKH ---------- */
.task{border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:10px}
.task>summary{list-style:none;cursor:pointer;padding:12px 14px;display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:center}
.task>summary::-webkit-details-marker{display:none}
.task[open]>summary{border-bottom:1px solid var(--line)}
.task .t-main{min-width:0} .task .t-name{font-weight:650} .task .t-meta{font-size:13px;color:var(--ink-2)}
.task .t-body{padding:12px 14px}
.task.overdue{border-left:4px solid var(--bad)} .task.today{border-left:4px solid var(--warn)} .task.upcoming{border-left:4px solid var(--line-2)}
.tel{font-weight:700;white-space:nowrap}
/* ---------- bản đồ ---------- */
.map{height:520px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2);z-index:1}
.map.sm{height:280px} .map.md{height:380px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);margin:8px 0}
.legend span{display:inline-flex;align-items:center;gap:6px}
.pin-mk{width:16px;height:16px;transform:rotate(45deg);border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.35)}
.pin-mk.approx{opacity:.55;border-style:dashed}
.leaflet-popup-content{font:13.5px/1.45 var(--font)}
/* ---------- biểu đồ ---------- */
.viz{background:var(--chart-surface);border-radius:8px}
.viz text{font:12px var(--font);fill:var(--muted)} .viz .lbl-ink{fill:var(--ink-2)} .viz .val-ink{fill:var(--ink);font-weight:600}
.viz .grid line{stroke:var(--grid);stroke-width:1} .viz .base{stroke:var(--axis);stroke-width:1}
.viz [data-tip]{cursor:default}
.viz-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);margin:4px 0 8px} .viz-legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}
.tip{position:fixed;pointer-events:none;z-index:9999;background:var(--ink);color:var(--surface);font-size:12.5px;padding:6px 9px;border-radius:6px;max-width:260px;box-shadow:var(--shadow);display:none;white-space:pre-line}
.hbar{display:grid;grid-template-columns:minmax(90px,170px) 1fr 70px;gap:8px;align-items:center;font-size:13px;margin:5px 0}
.hbar .track{height:14px;position:relative} .hbar .fill{height:14px;border-radius:0 4px 4px 0;background:var(--s1);min-width:2px}
.hbar .n{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.meter{height:8px;border-radius:99px;background:color-mix(in srgb,var(--s1) 18%,transparent);overflow:hidden} .meter>i{display:block;height:100%;background:var(--s1);border-radius:99px}
details.tbl>summary{cursor:pointer;color:var(--brand);font-size:13px;margin-top:6px}
/* ---------- trang công khai & di động ---------- */
.public{max-width:560px;margin:0 auto;padding:16px 14px 50px}
.public-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.center-card{max-width:460px;margin:8vh auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}
.big-actions{display:grid;gap:10px} .big-actions .btn{justify-content:flex-start;padding:14px 16px;font-size:16px;min-height:56px;text-align:left;white-space:normal}
.big-actions .btn small{display:block;font-weight:400;color:var(--muted);font-size:13px}
.photo-input{border:1px dashed var(--line-2);border-radius:10px;padding:10px;display:grid;gap:8px;background:var(--surface-2)}
.photo-input img{max-width:100%;max-height:180px;border-radius:8px;display:none}
.photo-input.has img{display:block} .photo-input.missing{border-color:var(--bad);background:var(--bad-soft)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap} .thumbs a img{width:120px;height:90px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.steps{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin-bottom:12px} .steps span{padding:4px 10px;border-radius:99px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line)} .steps span.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)} .steps span.done{background:var(--ok-soft);color:var(--ok)}
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);margin-left:6px}
.timeline li{position:relative;padding:0 0 12px 16px;font-size:14px} .timeline li::before{content:"";position:absolute;left:-7px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--brand)}
.timeline .when{font-size:12px;color:var(--muted)}
.qr-label{width:62mm;border:1px solid #000;border-radius:3mm;padding:3mm;display:inline-grid;grid-template-columns:24mm 1fr;gap:2mm;margin:2mm;font-size:9pt;color:#000;background:#fff;page-break-inside:avoid}
.qr-label svg{width:24mm;height:24mm} .qr-label b{font-size:10pt}
@media print{.side,.topbar,.no-print,.env-ribbon{display:none!important}.shell{display:block}.content{padding:0}body{background:#fff}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.chip{display:inline-block;font-size:12px;border:1px solid var(--line-2);border-radius:99px;padding:1px 8px;margin:2px 4px 2px 0;color:var(--ink-2)}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.right{text-align:right} .nowrap{white-space:nowrap} .mt0{margin-top:0} .mb0{margin-bottom:0} .mt{margin-top:12px}
.inline-form select,.inline-form input:not([type=checkbox]):not([type=radio]){width:auto;min-width:160px}
.page-head .inline-form{flex-wrap:nowrap}
.photo-btn{position:relative;overflow:hidden;align-self:flex-start;width:max-content}
.photo-input{grid-template-columns:1fr}
.env-ribbon a{color:#5c4400;text-decoration:underline}
.fab{position:fixed;right:16px;bottom:16px;z-index:60;background:#b42318;color:#fff!important;border-radius:999px;padding:10px 16px;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.25);text-decoration:none!important}
.fab:hover{background:#912018}
.guide{max-width:860px}.guide h1{font-size:26px}.guide h2{margin-top:26px;padding-top:10px;border-top:1px solid var(--line)}.guide h3{margin-top:18px}
.guide table{margin:10px 0 16px}.guide li{margin:3px 0}.guide code{background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:0 4px}
.guide .toc a{display:inline-block;margin:2px 10px 2px 0}