:root{
  --bg:#f5f6f7; --card:#fff; --ink:#15232b; --muted:#5d6e78; --line:#dde3e8;
  --brand:#1D4F91; --brand-ink:#fff; --brand-soft:#E6EEF8; --accent:#EE652D;
  --ok:#2a7d4f; --ok-bg:#e1f3e8; --warn:#b26a00; --warn-bg:#fdf0d5; --bad:#b3261e; --bad-bg:#fbe4e2; --info:#1b5fa8; --info-bg:#e1ecf8;
  --crit:#8a1c1c; --high:#d1491f; --med:#c58a00; --low:#4a7f98;
  --radius:6px; --shadow:none;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0c1522; --card:#13223a; --ink:#e8eff8; --muted:#97a9c0; --line:#26395a;
  --brand:#7FAEE6; --brand-soft:#182c48; --ok-bg:#16382a; --warn-bg:#3b2d0e; --bad-bg:#3d1b19; --info-bg:#16304a;
  --ok:#5fcf8f; --warn:#f0b24a; --bad:#ff8a80; --info:#7db4ee; --crit:#ff6b6b; --high:#ff915f; --med:#f0c04a; --low:#7fb3cc; --shadow:none}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
h1,h2,h3{margin:0;line-height:1.25;font-weight:600} h1{font-size:20px} h2{font-size:16px} h3{font-size:14px}
a{color:var(--brand)} button,input,select,textarea{font:inherit;color:inherit}
.muted{color:var(--muted)} .small{font-size:12.5px} .right{margin-left:auto} .nowrap{white-space:nowrap}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--bg)}
.login{background:var(--card);width:100%;max-width:360px;border:1px solid var(--line);border-radius:8px;padding:28px 24px}
.login p{margin:4px 0 22px;color:var(--muted);font-size:14px}

/* shell */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:#0E2C57;color:#d9e5f5;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 16px;color:#fff}
.brand b{display:block;font-size:14px;line-height:1.15} .brand span{font-size:11px;color:#a9c0e0}
.nav a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:6px;color:#d9e5f5;text-decoration:none;font-weight:500}
.nav a:hover{background:rgba(255,255,255,.07)} .nav a.on{background:rgba(255,255,255,.12);color:#fff}
.nav svg{width:18px;height:18px;flex:none}
.userbox{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:12px 8px 0;font-size:13px}
.userbox b{display:block;color:#fff} .userbox .role{color:#a9c0e0;text-transform:capitalize}
.userbox .row{display:flex;gap:6px;margin-top:10px}
.userbox button{flex:1;background:rgba(255,255,255,.08);border:0;color:#fff;border-radius:6px;padding:7px 8px;cursor:pointer;font-size:13px}
.userbox button:hover{background:rgba(255,255,255,.16)}
.main{padding:22px 26px 60px;min-width:0;max-width:1300px;width:100%}
.topbar{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.mtop{display:none} .bnav,.burger,.drawer{display:none}

/* controls */
.btn{border:1px solid var(--line);background:var(--card);padding:8px 14px;border-radius:6px;cursor:pointer;font-weight:500;min-height:38px}
.btn:hover{border-color:var(--brand)} .btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff} .btn.sm{padding:4px 10px;min-height:30px;font-size:13px}
.btn:disabled{opacity:.55;cursor:default}
label.f{display:block;font-size:13px;font-weight:500;margin:0 0 12px;color:var(--muted)}
label.f>span.req{color:var(--bad)}
input[type=text],input[type=password],input[type=date],input[type=number],select,textarea,input[type=search]{
  width:100%;margin-top:4px;padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--card);min-height:40px;color:var(--ink)}
textarea{min-height:76px;resize:vertical} input:focus,select:focus,textarea:focus,.btn:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.filters label.f{margin:0;min-width:140px;flex:1;max-width:220px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--line);background:var(--card);border-radius:6px;padding:5px 12px;cursor:pointer;font-size:13px;font-weight:500}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}

/* cards & tables */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card>h2{margin-bottom:12px;display:flex;align-items:center;gap:8px}
.grid{display:grid;gap:14px} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;cursor:default}
.kpi.link{cursor:pointer} .kpi.link:hover{border-color:var(--brand)}
.kpi .v{font-size:26px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums} .kpi .l{font-size:12.5px;color:var(--muted);margin-top:2px}
.kpi.bad .v{color:var(--bad)} .kpi.warn .v{color:var(--warn)} .kpi.ok .v{color:var(--ok)} .kpi.info .v{color:var(--info)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table{border-collapse:collapse;width:100%} th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;font-weight:600;color:var(--muted);background:var(--bg);position:sticky;top:0;white-space:nowrap}
tbody tr:last-child td{border-bottom:0} tbody tr.click{cursor:pointer} tbody tr.click:hover{background:var(--brand-soft)}
.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600;white-space:nowrap}
.b-Critical{background:var(--crit);color:#fff} .b-High{background:var(--high);color:#fff} .b-Medium{background:var(--warn-bg);color:var(--warn)} .b-Low{background:var(--info-bg);color:var(--info)}
.s-Open{background:var(--bad-bg);color:var(--bad)} .s-Assigned{background:var(--info-bg);color:var(--info)} .s-In\ Progress{background:var(--brand-soft);color:var(--brand)}
.s-Waiting\ Sparepart{background:var(--warn-bg);color:var(--warn)} .s-Waiting\ Verification{background:#efe5fa;color:#6a3fa0}
.s-Completed{background:var(--ok-bg);color:var(--ok)} .s-Reopened{background:var(--bad-bg);color:var(--bad)}
.c-Healthy{background:var(--ok-bg);color:var(--ok)} .c-Abnormal{background:var(--bad-bg);color:var(--bad)}
.overdue{color:var(--bad);font-weight:700}
.empty{padding:34px 16px;text-align:center;color:var(--muted)}

/* bars & charts */
.bars .r{display:grid;grid-template-columns:130px 1fr 34px;gap:8px;align-items:center;margin:7px 0;font-size:13px}
.bars .t{height:10px;background:var(--bg);border-radius:3px;overflow:hidden} .bars .t i{display:block;height:100%;background:var(--brand);border-radius:3px}
.bars .n{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;margin-top:6px} .legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
svg.chart text{fill:var(--muted);font-size:11px}

/* checklist */
.cl-table td,.cl-table th{padding:8px 8px} .cl-table td.asset{font-weight:700;min-width:130px;position:sticky;left:0;background:var(--card);z-index:1}
.tog{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.tog button{border:0;background:var(--card);padding:6px 11px;cursor:pointer;font-weight:700;font-size:13px;min-width:46px;min-height:34px}
.tog button+button{border-left:1px solid var(--line)}
.tog button.on.good{background:var(--ok);color:#fff} .tog button.on.badv{background:var(--bad);color:#fff}
.cl-table input[type=number],.cl-table input[type=text]{margin:0;min-width:84px;min-height:34px;padding:5px 8px}
tr.ab td{background:var(--bad-bg)} tr.ab td.asset{background:var(--bad-bg)}
.sticky-bar{position:sticky;bottom:0;background:var(--card);border-top:1px solid var(--line);padding:12px 0;display:flex;gap:10px;align-items:center;margin-top:14px;z-index:5}

/* task */
.flow{display:flex;gap:4px;flex-wrap:wrap;margin:6px 0 14px}
.flow span{padding:4px 10px;border-radius:4px;background:var(--bg);font-size:12px;color:var(--muted);border:1px solid var(--line)} .flow span.done{background:var(--brand-soft);color:var(--brand);border-color:transparent} .flow span.cur{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:700}
.kv{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;font-size:14px} .kv dt{color:var(--muted)} .kv dd{margin:0}
.log{list-style:none;margin:0;padding:0} .log li{padding:8px 0 8px 14px;border-left:2px solid var(--line);margin-left:6px;position:relative}
.log li:before{content:"";position:absolute;left:-6px;top:13px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.photo{max-width:100%;max-height:260px;border-radius:8px;border:1px solid var(--line);display:block;margin-top:6px}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(8,16,20,.55);display:flex;align-items:flex-start;justify-content:center;padding:4vh 12px;overflow:auto;z-index:50}
.modal{background:var(--card);border-radius:8px;width:100%;max-width:640px;padding:20px 20px 16px;box-shadow:0 8px 30px rgba(0,0,0,.22)}
.modal.wide{max-width:860px} .modal header{display:flex;align-items:center;gap:10px;margin-bottom:14px} .modal header h2{flex:1}
.x{border:0;background:none;font-size:26px;line-height:1;cursor:pointer;color:var(--muted)}
.modal footer{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
#toast{position:fixed;left:50%;bottom:78px;transform:translateX(-50%) translateY(20px);background:#16222a;color:#fff;padding:10px 16px;border-radius:6px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%)} #toast.err{background:var(--bad)}
.err-msg{background:var(--bad-bg);color:var(--bad);padding:8px 12px;border-radius:6px;margin-bottom:12px;font-size:14px}

/* mobile */
@media (max-width:860px){
  .shell{display:block} .side{display:none}
  .bnav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:#0E2C57;padding:4px 10px calc(4px + env(safe-area-inset-bottom));justify-content:space-around;align-items:flex-end;border-top:1px solid rgba(255,255,255,.1)}
  .bnav a,.bnav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#d9e5f5;background:none;border:0;font:inherit;font-size:11.5px;font-weight:600;padding:6px 4px;min-height:50px;text-decoration:none;cursor:pointer}
  .bnav svg{width:23px;height:23px} .bnav a.on{color:#fff;box-shadow:inset 0 2px 0 #fff}
  .bnav .mid{margin-top:-24px;box-shadow:none!important;min-height:0;padding-top:0;color:#fff}
  .bnav .mid .ci{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--accent);border:4px solid #0E2C57}
  .bnav .mid.on .ci{outline:2px solid #fff}
  .burger{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:10px;background:var(--card);color:var(--ink);border:1px solid var(--line);cursor:pointer;padding:0} .burger svg{width:22px;height:22px}
  .drawer{display:block} .drawer[hidden]{display:none}
  .dr-bg{position:fixed;inset:0;background:rgba(8,16,20,.55);z-index:70}
  .dr-panel{position:fixed;top:0;bottom:0;left:0;width:min(82vw,310px);background:#0E2C57;color:#d9e5f5;z-index:71;padding:calc(16px + env(safe-area-inset-top)) 12px calc(16px + env(safe-area-inset-bottom));overflow:auto;display:flex;flex-direction:column;gap:4px;animation:drin .18s ease-out}
  @keyframes drin{from{transform:translateX(-100%)}}
  .dr-panel .nav a{font-size:15px;padding:13px 12px} .dr-panel .nav svg{width:20px;height:20px}
  .dr-panel .dr-head{display:flex;align-items:center;gap:10px;padding:0 6px 12px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:8px;color:#fff}
  .dr-panel .dr-head .logo{width:38px;height:38px;flex:none;border-radius:6px;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}
  .dr-panel .dr-head small{display:block;color:#a9c0e0;text-transform:capitalize;font-weight:400}
  .dr-cnt{margin-left:auto;background:var(--accent);color:#fff;border-radius:20px;font-size:12px;padding:1px 8px;font-weight:700}
  .main{padding:14px 12px 96px} .mtop{display:flex;align-items:center;gap:8px;margin-bottom:10px}
  .mtop .logo{width:28px;height:28px;border-radius:6px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:11px}
  .mtop small{color:var(--muted)}
  .g2,.g3{grid-template-columns:1fr} .kpi .v{font-size:24px} .kv{grid-template-columns:110px 1fr}
  h1{font-size:19px} .bars .r{grid-template-columns:100px 1fr 30px}
  .overlay{padding:0} .modal{border-radius:0;min-height:100vh;max-width:none}
  #toast{bottom:92px} .sticky-bar{bottom:64px;padding:10px 0}
  .stack-m thead{display:none} .stack-m tr{display:block;padding:10px 12px;border-bottom:1px solid var(--line)} .stack-m td{display:block;border:0;padding:2px 0}
  .stack-m td[data-l]:before{content:attr(data-l) ": ";color:var(--muted);font-size:12px}
}
@media print{.side,.mtop,.sticky-bar,.btn,.filters{display:none!important}.shell{display:block}.main{padding:0}}

/* ===== PWA / offline ===== */
#netbar{display:block;position:sticky;top:0;z-index:60;padding:calc(7px + env(safe-area-inset-top)) 14px 7px;font-size:13px;font-weight:700;text-align:center;text-decoration:none;color:#fff;background:#5d6e78}
#netbar[hidden]{display:none}
#netbar.off{background:#5d6e78} #netbar.wait{background:var(--warn,#b26a00)} #netbar.bad{background:var(--bad,#b3261e)} #netbar.ok{background:var(--ok,#2a7d4f)}
.s-Queued{background:var(--warn-bg);color:var(--warn)} .s-Sending{background:var(--info-bg);color:var(--info)} .s-Failed{background:var(--bad-bg);color:var(--bad)}
.queued-note{background:var(--warn-bg);color:var(--warn);padding:8px 12px;border-radius:6px;margin:0 0 12px;font-size:14px}

@media (max-width:860px){
  .overlay.sheet{align-items:flex-end;padding:0} .modal.sheet{min-height:0;border-radius:10px 10px 0 0;padding-bottom:calc(16px + env(safe-area-inset-bottom))}
  .modal.sheet footer{flex-direction:column} .modal.sheet footer .btn{width:100%;min-height:44px}
}
.cl-table select.fu,select.fu{margin:0;min-height:34px;min-width:150px;padding:4px 6px;font-size:13px}