:root{
  --nav:#0b1220; --nav2:#16223a; --bg:#f3f5f9; --panel:#fff; --panel2:#f7f9fc; --line:#e2e7ef; --text:#1f2937; --muted:#6b7a90;
  --primary:#1e88e5; --primary-soft:#e3f0fc; --accent:#22c55e; --warn:#d97706; --bad:#dc2626;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Cairo,Tahoma,sans-serif;font-size:14.5px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.spacer{flex:1}
.error{color:var(--bad);min-height:1.2em;margin:.5em 0 0}
.note{background:var(--primary-soft);padding:.6em .8em;border-radius:8px}
a{color:var(--primary)}
input,select,textarea{font:inherit;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:8px;padding:.45em .7em;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent}
input[type=number],input[type=email],input[type=tel],input[type=password]{direction:ltr}
[dir=rtl] input[type=number],[dir=rtl] input[type=email],[dir=rtl] input[type=tel],[dir=rtl] input[type=password]{text-align:right}
label{display:block;margin:.55em 0;color:var(--muted);font-size:.9em}
label input,label select,label textarea{margin-top:.25em}
.btn{font:inherit;border:1px solid var(--line);background:#fff;color:var(--text);padding:.4em .9em;border-radius:8px;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(1.08);color:#fff}
.btn.ghost{background:transparent}
.btn.danger{color:var(--bad)}
.btn.sm{padding:.25em .7em;font-size:.88em}
.btn.round{border-radius:50%;width:36px;height:36px;padding:0;font-size:18px}
.btn.nav{background:transparent;border-color:transparent;color:#cbd5e1}
.btn.nav:hover{background:var(--nav2);color:#fff}
.btn.nav.icon{font-size:18px;padding:.2em .6em}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.1em}
.card h3{margin:0 0 .6em;font-size:1.05em}
.screen{min-height:100%}

/* navbar */
.navbar{display:flex;align-items:center;gap:.4em;padding:0 .8em;height:54px;background:var(--nav);color:#fff;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:.5em;margin-inline-end:.6em}
.brand img{height:30px}
.brand b{font-size:1.02em;white-space:nowrap}
.sync{font-size:.82em;color:#93a4c0;white-space:nowrap}
.sync.bad{color:#fbbf24}
.who{color:#93a4c0;font-size:.85em}
.proj-name{width:200px;background:var(--nav2);border-color:var(--nav2);color:#fff;font-weight:700}
.tabs-main{display:flex;height:100%;margin-inline-start:.6em}
.tabs-main button{font:inherit;background:transparent;border:0;color:#93a4c0;padding:0 1em;display:flex;align-items:center;gap:.4em;cursor:pointer;border-bottom:3px solid transparent;height:100%}
.tabs-main button i{font-style:normal;font-size:1.1em}
.tabs-main button:hover{color:#fff}
.tabs-main button.active{color:#fff;border-bottom-color:var(--primary)}

/* auth */
#auth{display:flex;align-items:center;justify-content:center;padding:16px;background:linear-gradient(160deg,#0b1220,#16305a)}
.auth-card{width:100%;max-width:400px;text-align:center;position:relative}
.auth-card form{text-align:start}
.auth-card .btn[type=submit]{width:100%;margin-top:.6em;padding:.7em}
.auth-lang{position:absolute;top:10px;inset-inline-end:10px}
.auth-logo{height:110px;width:110px;border-radius:22px;box-shadow:0 6px 18px #0b122040}
.auth-card h1{margin:.3em 0 0;font-size:1.45em}
.switch-link{text-align:center;font-size:.9em}

/* home & admin */
.home-main{max-width:1150px;margin:0 auto;padding:16px;display:grid;gap:16px}
.home-head{display:flex;gap:.6em;align-items:center;flex-wrap:wrap}
.home-head h3{margin:0}
.home-head input{max-width:260px;margin-inline-start:auto}
.proj-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.proj{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1em;cursor:pointer;display:flex;flex-direction:column;gap:.25em;transition:box-shadow .15s}
.proj:hover{box-shadow:0 4px 16px #0b122014;border-color:var(--primary)}
.proj b{font-size:1.05em}
.proj .meta{font-size:.82em;color:var(--muted)}
.proj .stats{display:flex;gap:1em;font-size:.85em;color:var(--muted);margin-top:.2em}
.proj .acts{display:flex;gap:.4em;margin-top:.5em}
.empty{color:var(--muted);text-align:center;padding:3em 1em;grid-column:1/-1}
.row-form{display:flex;gap:.5em;flex-wrap:wrap;margin-bottom:1em}
.row-form input,.row-form select{flex:1;min-width:140px;width:auto}
.tbl{width:100%;border-collapse:collapse;font-size:.92em}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:.5em;text-align:start;vertical-align:middle}
.tbl th{color:var(--muted);font-weight:600}
.badge{display:inline-block;padding:.05em .55em;border-radius:99px;font-size:.8em;background:var(--panel2)}
.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}
.toggle{display:flex;gap:.5em;align-items:center;color:var(--text);font-size:1em}
.toggle input{width:auto}

/* workspace */
#editor{display:flex;flex-direction:column;height:100vh;height:100dvh}
.pane{flex:1;min-height:0;overflow:auto}
#pane-maps{display:flex;flex-direction:column;overflow:hidden}
.ov-grid{max-width:1100px;margin:0 auto;padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* kinds (segmented) */
.kinds{display:flex;gap:2px;background:var(--panel2);border-radius:8px;padding:3px}
.kinds button{flex:1;font:inherit;font-size:.86em;background:transparent;color:var(--muted);border:0;padding:.35em .2em;cursor:pointer;border-radius:6px}
.kinds button.active{background:#fff;color:var(--primary);box-shadow:0 1px 3px #0001;font-weight:600}

/* products */
.prod-layout{display:grid;grid-template-columns:250px 1fr 290px;gap:12px;padding:12px;height:100%;min-height:0}
.prod-filters,.prod-totals{overflow:auto;display:flex;flex-direction:column;gap:8px}
.prod-filters{overflow-x:hidden}
.prod-filters .kinds{flex-wrap:wrap}
.prod-filters .kinds button{flex:1 1 45%}
.prod-filters h4{margin:.6em 0 .2em;font-size:.88em;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:4px}
.chip{font:inherit;font-size:.82em;border:1px solid var(--line);background:#fff;border-radius:99px;padding:.15em .7em;cursor:pointer;color:var(--text)}
.chip.on{background:var(--primary);border-color:var(--primary);color:#fff}
.prod-grid{overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;align-content:start}
.pcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:6px}
.pcard.in{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.pcard .pimg{height:110px;display:flex;align-items:center;justify-content:center;background:#fff}
.pcard .pimg img{max-height:110px;max-width:100%;object-fit:contain}
.pcard .pimg .ph{font-size:40px;color:var(--line)}
.pcard b{font-size:.84em;direction:ltr;text-align:start;word-break:break-all}
[dir=rtl] .pcard b{text-align:right}
.pcard small{color:var(--muted);font-size:.78em;line-height:1.4;flex:1}
.pgroup{grid-column:1/-1;font-size:.85em;color:var(--muted);font-weight:600;margin-top:4px}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden;width:max-content}
.stepper button{font:inherit;border:0;background:var(--panel2);width:30px;height:30px;cursor:pointer;font-size:16px;color:var(--text)}
.stepper button:hover{background:var(--primary-soft);color:var(--primary)}
.stepper input{width:44px;border:0;border-radius:0;text-align:center!important;padding:0;height:30px}

/* totals */
.kv{display:grid;grid-template-columns:1fr auto;gap:6px 10px;font-size:.9em}
.kv b{text-align:end}
.kv .ok{color:#15803d}.kv .bad{color:var(--bad)}.kv .warn{color:var(--warn)}
.sec{border-top:1px solid var(--line);padding-top:8px;margin-top:6px}
.sec h4{margin:0 0 6px;font-size:.92em}
.fld{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:6px;font-size:.88em;margin:4px 0}
.fld label{margin:0}
.est{font-size:.78em;color:var(--muted)}

/* maps */
.subbar{display:flex;align-items:center;gap:6px;padding:6px 10px;background:#fff;border-bottom:1px solid var(--line)}
.subbar select{width:auto;min-width:150px;padding:.3em .6em}
.maps-body{flex:1;display:flex;min-height:0;position:relative}
.devlist{width:310px;background:#fff;border-inline-end:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.devlist.closed{display:none}
.devlist-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 6px}
.devlist .kinds{margin:0 12px 6px}
.dev-rows{overflow:auto;flex:1;padding:0 8px 8px}
.drow{display:grid;grid-template-columns:44px 1fr;gap:8px;padding:8px;border-bottom:1px solid var(--line);border-radius:8px;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.drow:hover{background:var(--panel2)}
.drow.active{background:var(--primary-soft);outline:1px solid var(--primary)}
.drow img,.drow .ph{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:6px}
.drow .ph{display:flex;align-items:center;justify-content:center;background:var(--panel2);font-size:20px}
.drow b{font-size:.82em;direction:ltr;text-align:start;display:block;word-break:break-all}
[dir=rtl] .drow b{text-align:right}
.drow small{color:var(--muted);font-size:.76em;display:block}
.drow .ctl{grid-column:2;display:flex;align-items:center;gap:8px;margin-top:4px}
.placed{font-size:.78em;background:var(--panel2);border-radius:6px;padding:.1em .5em;color:var(--muted)}
.placed.full{background:#dcfce7;color:#166534}
.placed.over{background:#fee2e2;color:#991b1b}
.devlist-toggle{position:absolute;top:50%;inset-inline-start:310px;z-index:6;transform:translateY(-50%);border:1px solid var(--line);background:#fff;border-radius:0 6px 6px 0;width:16px;height:44px;cursor:pointer;padding:0;color:var(--muted)}
[dir=rtl] .devlist-toggle{border-radius:6px 0 0 6px}
.devlist.closed + .devlist-toggle{inset-inline-start:0}
.stage{flex:1;position:relative;overflow:hidden;background:#eef1f6;touch-action:none}
#svg{width:100%;height:100%;display:block;user-select:none;-webkit-user-select:none}
.hint{position:absolute;top:10px;left:50%;transform:translateX(-50%);background:#0b1220d9;color:#fff;padding:.3em .9em;border-radius:99px;font-size:.85em;pointer-events:none;max-width:90%;text-align:center}
.hint:empty{display:none}
.finish-btn{position:absolute;bottom:76px;left:50%;transform:translateX(-50%)}
.scalebar{position:absolute;bottom:14px;inset-inline-start:12px;font-size:.8em;color:#334155;pointer-events:none;background:#ffffffcc;padding:2px 6px;border-radius:6px}
.scalebar i{display:block;height:6px;border:2px solid #334155;border-top:0;margin-bottom:2px}
.toolbar{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px;box-shadow:0 4px 18px #0b12201f}
.toolbar button{width:40px;height:40px;border:0;background:transparent;border-radius:9px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#334155}
.toolbar button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.toolbar button:hover{background:var(--panel2)}
.toolbar button.active{background:var(--primary-soft);color:var(--primary)}
.toolbar .sep{width:1px;height:26px;background:var(--line);margin:0 3px}
.propcard{position:absolute;top:10px;inset-inline-end:10px;width:270px;max-height:calc(100% - 90px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:0 4px 18px #0b12201f;font-size:.92em}
.propcard h4{margin:0 0 4px;direction:ltr;text-align:start}
[dir=rtl] .propcard h4{text-align:right}
.propcard .x{position:absolute;top:6px;inset-inline-end:8px;border:0;background:transparent;font-size:18px;cursor:pointer;color:var(--muted)}
.acts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.lbl{font-family:Cairo,Tahoma,sans-serif;paint-order:stroke;stroke:#fff;fill:#1f2937}
.dev{cursor:move}
.sel-ring{fill:none;stroke:#f59e0b;stroke-width:2;vector-effect:non-scaling-stroke}

/* dialog / toast */
dialog{background:#fff;color:var(--text);border:1px solid var(--line);border-radius:14px;padding:1.2em;max-width:min(560px,94vw);width:100%}
dialog::backdrop{background:#0b122080}
dialog h3{margin-top:0}
.dlg-acts{display:flex;gap:.5em;margin-top:1em;flex-wrap:wrap}
.choice{display:flex;flex-direction:column;gap:8px}
.choice .btn{text-align:start;padding:.8em 1em;white-space:normal}
.choice .btn small{display:block;color:var(--muted)}
#mapPick{height:min(60vh,460px);border-radius:10px;margin:.5em 0}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(160%);background:var(--nav);color:#fff;padding:.6em 1.2em;border-radius:10px;transition:transform .25s;z-index:99}
.toast.show{transform:translateX(-50%) translateY(0)}

/* report */
#pane-report{padding:16px}
.report-actions{display:flex;gap:.5em;max-width:900px;margin:0 auto 12px;flex-wrap:wrap}
/* project type picker */
.type-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.type-opt{margin:0;cursor:pointer}
.type-opt input{display:none}
.type-opt span{display:block;border:1px solid var(--line);border-radius:10px;padding:.6em;height:100%;color:var(--text)}
.type-opt b{display:block;font-size:.95em}
.type-opt small{color:var(--muted);font-size:.8em;line-height:1.4;display:block;margin-top:2px}
.type-opt input:checked + span{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 1px var(--primary)}
@media (max-width:560px){.type-pick{grid-template-columns:1fr}}

/* customer read-only view */
body.viewer #edBack, body.viewer .tabs-main, body.viewer #edSave, body.viewer #repSharePdf, body.viewer #repWa, body.viewer #repPrices, body.viewer #repQuote, body.viewer #repSections, body.viewer [data-png]{display:none!important}
body.viewer .proj-name{pointer-events:none;background:transparent;border-color:transparent}
.grand td{background:#eff6ff;font-size:1.05em}
.rep-qr{float:inline-end;text-align:center;font-size:.7em;color:#4b5563;margin-inline-start:12px}
.rep-qr svg{width:84px;height:84px;display:block}
.qr-box{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.qr-box svg{width:120px;height:120px;border:1px solid var(--line);border-radius:8px;background:#fff}
.share-url{direction:ltr;font-size:.8em;word-break:break-all;background:var(--panel2);padding:.3em .5em;border-radius:6px}
.lock{position:fixed;inset:0;z-index:100;background:linear-gradient(160deg,#0b1220,#16305a);display:flex;align-items:center;justify-content:center}
.lock .card{text-align:center;width:min(320px,90vw)}
.lock input{text-align:center;font-size:1.6em;letter-spacing:.4em}

/* racks */
.rack-layout{display:grid;grid-template-columns:230px minmax(280px,420px) 1fr;gap:12px;padding:12px;height:100%;min-height:0}
.rack-list,.rack-view,.rack-detail{overflow:auto;display:flex;flex-direction:column;gap:8px}
.rack-row{padding:8px;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.rack-row.on{border-color:var(--primary);background:var(--primary-soft)}
.rack-row small{display:block;color:var(--muted)}
.rack-svg svg{width:100%;height:auto;filter:drop-shadow(0 6px 14px #0b122040)}
.rack-legend{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.78em;color:var(--muted);margin:4px 0 10px}
.rack-legend i{display:inline-block;width:12px;height:9px;border-radius:2px;margin-inline-end:4px;vertical-align:middle}
.rep-rack svg{max-width:560px;margin:8px auto;display:block}
.ports-tbl td{font-size:.86em}
.dot{display:inline-block;width:9px;height:9px;border-radius:2px;margin-inline-end:5px;vertical-align:middle}
.rack-svg [data-item]{cursor:pointer}
.ports{width:100%;border-collapse:collapse;font-size:.85em}
.ports td,.ports th{border-bottom:1px solid var(--line);padding:3px 4px;text-align:start}
.ports input,.ports select{padding:.2em .4em;font-size:.95em}
.ports td:first-child{width:42px;font-weight:700;direction:ltr}
.add-row{display:flex;flex-wrap:wrap;gap:4px}
.warnbox{background:#fef3c7;color:#92400e;border-radius:8px;padding:.4em .7em;font-size:.85em}
.photos{display:flex;flex-wrap:wrap;gap:6px}
.photos .ph-item{position:relative}
.photos img{width:72px;height:72px;object-fit:cover;border-radius:6px;border:1px solid var(--line);cursor:zoom-in}
.photos .ph-item button{position:absolute;top:-6px;inset-inline-end:-6px;border:0;border-radius:50%;width:20px;height:20px;background:var(--bad);color:#fff;cursor:pointer;font-size:12px;line-height:1}
.rep-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.rep-photos figure{margin:0;break-inside:avoid}
.rep-photos img{width:100%;height:120px;object-fit:cover;border-radius:4px}
.rep-photos figcaption{font-size:.78em;color:#4b5563}
.remind{font-size:.78em;border-radius:6px;padding:.1em .5em;background:#fee2e2;color:#991b1b}
.remind.soon{background:#fef3c7;color:#92400e}
.cust{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1em;cursor:pointer}
.cust:hover{border-color:var(--primary)}
.labels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4mm}
@media (max-width:1000px){.rack-layout{grid-template-columns:1fr;height:auto}}
.pdf-mode{border:0!important;border-radius:0!important;max-width:760px!important;padding:0!important}
.pdf-mode .no-print{display:none!important}
.pdf-mode .rep-plan svg{max-height:800px;width:auto;max-width:100%;margin:0 auto}
.rep-sections{gap:.2em 1em;font-size:.9em}
.rep-sections .toggle{margin:0}
.rep-plan h4 .btn{float:inline-end;padding:0 .5em;font-size:.8em}
.dori{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line)}
.fav{border:0;background:transparent;cursor:pointer;font-size:18px;color:#cbd5e1;padding:0 4px;line-height:1}
.fav.on{color:#f59e0b}
.status-sel{width:auto;padding:.1em .4em;font-size:.82em}
.st-badge{font-size:.75em;border-radius:99px;padding:.05em .6em;background:var(--panel2);color:var(--muted)}
.st-quoted{background:#dbeafe;color:#1e40af}.st-done{background:#dcfce7;color:#166534}.st-cancelled{background:#fee2e2;color:#991b1b}.st-study{background:#fef3c7;color:#92400e}
.calc-row{display:grid;grid-template-columns:1fr 1fr 32px;gap:6px;margin:4px 0}
.report-page{background:#fff;max-width:900px;margin:0 auto;padding:28px;border-radius:8px;border:1px solid var(--line)}
.rep-head{display:flex;align-items:center;gap:16px;border-bottom:3px solid var(--primary);padding-bottom:12px}
.rep-head img{height:56px}
.rep-head .co{margin-inline-start:auto;text-align:end;font-size:.85em;color:#374151}
.rep-title{font-size:1.4em;margin:14px 0 2px}
.rep-meta{color:#4b5563;font-size:.9em}
.rep-plan{border:1px solid #d1d5db;margin:14px 0;border-radius:6px;overflow:hidden;break-inside:avoid}
.rep-plan h4{margin:0;padding:6px 10px;background:#f3f4f6;font-size:.9em}
.rep-plan svg{width:100%;height:auto;display:block;background:#f8fafc}
.rep-tbl{width:100%;border-collapse:collapse;font-size:.9em;margin:8px 0}
.rep-tbl th,.rep-tbl td{border:1px solid #d1d5db;padding:6px 8px;text-align:start}
.rep-tbl th{background:#eff6ff}
.rep-tbl td.m{direction:ltr;font-weight:600}
[dir=rtl] .rep-tbl td.m{text-align:right}
.rep-totals{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin:10px 0}
.rep-totals div{background:#f3f4f6;border-radius:6px;padding:8px 10px;font-size:.9em}
.rep-totals b{display:block;font-size:1.05em}
.rep-totals .bad{color:#b91c1c}
.rep-foot{margin-top:18px;font-size:.8em;color:#6b7280;border-top:1px solid #e5e7eb;padding-top:8px}

@media print{
  body{background:#fff}
  .navbar,.no-print{display:none!important}
  #editor{height:auto;display:block}
  #pane-report{padding:0;overflow:visible}
  .report-page{max-width:none;padding:0;border:0}
}

@media (max-width:1000px){
  .prod-layout{grid-template-columns:1fr;height:auto}
  .prod-totals{order:-1}
  .ov-grid{grid-template-columns:1fr}
  .brand b,.who{display:none}
  .proj-name{width:130px}
  .tabs-main button{padding:0 .6em}
  .tabs-main button span{display:none}
  .tabs-main button i{font-size:1.3em}
  .devlist{position:absolute;inset-block:0;inset-inline-start:0;z-index:7;width:min(310px,85vw);box-shadow:0 0 24px #0003}
  .devlist-toggle{inset-inline-start:min(310px,85vw)}
  .propcard{width:min(270px,70vw)}
}