:root{--bg:#f4f6f5;--panel:#fff;--text:#172b28;--muted:#72837d;--line:#e0e8e3;--green:#126145;--green2:#eaf4ee;--red:#be3547;--red2:#fff0f2;--gold:#d6a62b;--shadow:0 4px 18px #153d2210;--radius:17px;--receipt-width:76mm}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI",Tahoma,Arial,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:var(--green);text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:3px solid #d6a62b;outline-offset:3px}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px #12614512}.app{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;overflow:hidden;background:white;border-left:1px solid var(--line);padding:20px 13px 0;z-index:2}.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:0 3px 22px;color:var(--text)}.brand img{width:67px;height:67px;object-fit:contain;border-radius:12px}.brand strong{font-size:19px;display:block;white-space:nowrap}.brand span{font-size:9px;letter-spacing:1.1px;color:var(--muted);display:block;margin-top:4px}.nav-label{font-size:11px;color:var(--muted);padding:0 15px 10px}nav{flex:1;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:#bed4c6 transparent}nav button{display:flex;align-items:center;gap:12px;width:100%;background:transparent;border:0;color:#667b72;text-align:right;padding:12px 13px;margin-bottom:5px;border-radius:11px;font-weight:600;white-space:nowrap}nav button:hover{background:#f4f7f5}nav button.active{background:var(--green);color:white;box-shadow:0 6px 12px #12614522}nav svg{width:19px;height:19px;flex-shrink:0}.sidebar-bottom{flex-shrink:0;display:flex;align-items:center;gap:9px;padding:16px 3px;background:white;border-top:1px solid var(--line);font-size:11px}.sidebar-bottom small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.status-dot{width:8px;height:8px;background:#20956a;border-radius:50%;flex-shrink:0}.status-dot.offline{background:var(--red)}.sidebar-bottom .icon-btn{margin-right:auto}.main{min-width:0;display:flex;flex-direction:column}.topbar{height:66px;display:flex;justify-content:space-between;align-items:center;padding:0 28px;background:white;border-bottom:1px solid var(--line);gap:12px}.breadcrumb{color:var(--muted);font-size:12px}.breadcrumb span{margin:0 12px;color:#c2cdc7}.breadcrumb b{color:var(--text);font-weight:500}.top-actions{display:flex;align-items:center;gap:15px;font-size:12px}.tag{display:inline-flex;align-items:center;padding:5px 10px;background:var(--green2);color:var(--green);border-radius:7px;font-size:11px;line-height:1.8}.tag.warn{background:#fff4db;color:#9b6d05}.tag.red{background:var(--red2);color:var(--red)}.page{padding:25px 28px;flex:1}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.eyebrow{color:var(--green);font-size:11px;letter-spacing:.3px;margin-bottom:7px}h1{font-size:27px;margin:0;font-weight:750;line-height:1.35}h2{font-size:17px;margin:0 0 16px}h3{font-size:14px;margin:0 0 12px}p{line-height:1.8;color:var(--muted);margin:8px 0 0}.page-heading p{font-size:12px}.page-actions{display:flex;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;min-height:42px;border:1px solid transparent;border-radius:10px;font-weight:650;background:var(--green);color:white;font-size:13px;white-space:nowrap}.btn:hover{filter:brightness(.96)}.btn.secondary{background:white;color:var(--text);border-color:var(--line)}.btn.soft{background:var(--green2);color:var(--green)}.btn.danger{background:var(--red2);color:var(--red);border-color:#eed5da}.btn.small{font-size:11px;padding:6px 10px;min-height:30px}.icon-btn{border:1px solid var(--line);background:white;border-radius:8px;width:32px;height:32px;display:inline-grid;place-items:center;color:var(--muted);font-size:19px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:white;padding:20px;box-shadow:var(--shadow);min-width:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.panel-head h2{margin:0}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.stat{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:19px}.stat-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:6px}.stat strong{display:block;font-size:25px;margin:13px 0 6px;direction:ltr;text-align:right;font-variant-numeric:tabular-nums;letter-spacing:-.4px}.stat small{font-size:10px;color:var(--muted)}.stat.featured{background:var(--green);color:white;border-color:var(--green)}.stat.featured .stat-label,.stat.featured small{color:#c5e0d0}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:17px}.field{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);min-height:43px;min-width:0}.toolbar .field{flex:1;min-width:150px}.field.numeric{direction:ltr;text-align:right;font-variant-numeric:tabular-nums}label{display:block;font-size:12px;font-weight:600;color:#63766b}label .field{margin-top:7px;font-weight:400}input[type=checkbox]{width:17px;height:17px;accent-color:var(--green)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.wide{grid-column:1/-1}.form-actions{display:flex;gap:8px;justify-content:flex-end;grid-column:1/-1;margin-top:8px}.note{padding:13px 15px;border-radius:10px;background:#f3f7f4;border:1px solid #e1eae4;color:#547061;font-size:12px;line-height:1.8;margin:15px 0}.note.warn{background:#fff8e8;color:#916d1a;border-color:#f2e5bf}.note.red{background:var(--red2);color:var(--red);border-color:#f3d9df}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}th{font-size:11px;color:var(--muted);font-weight:500;background:#f7f9f7}th,td{padding:13px 12px;text-align:right;border-bottom:1px solid #edf1ee}td{line-height:1.6}tbody tr:hover{background:#fbfcfb}td.number{direction:ltr;font-variant-numeric:tabular-nums}td .actions{display:flex;gap:5px}.empty{text-align:center;padding:45px 15px;color:var(--muted);line-height:2;font-size:13px}.empty-icon{display:block;font-size:32px;color:#b4c7bc;margin-bottom:12px}.muted{color:var(--muted)}.good{color:var(--green)}.bad{color:var(--red)}.pager{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:15px;color:var(--muted);font-size:11px}.pager div{display:flex;gap:8px}.main-footer{padding:10px 28px 20px;color:#9caaa2;font-size:10px}.main-footer span{padding:0 8px}.loading{padding:60px;text-align:center;color:var(--muted)}.hidden{display:none!important}.flex{display:flex;gap:8px;align-items:center}.grow{flex:1}.mt{margin-top:18px}.mb{margin-bottom:18px}.num{direction:ltr;unicode-bidi:isolate;font-variant-numeric:tabular-nums}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}.tabs button{background:white;border:1px solid var(--line);border-radius:9px;padding:9px 14px;color:var(--muted);font-size:12px}.tabs button.active{background:var(--green2);color:var(--green);border-color:#bcd9c8}.pos-grid{display:grid;grid-template-columns:minmax(0,1fr) 365px;gap:18px;align-items:start}.catalog .toolbar{margin-bottom:12px}.scan-field{border-color:#c1d6c8;background:#fbfdfb}.scan-help{font-size:10px;color:var(--muted);padding:0 3px 15px}.category-chips{display:flex;gap:7px;overflow:auto;padding-bottom:14px;margin-bottom:5px}.chip{padding:8px 13px;border:1px solid var(--line);background:white;color:var(--muted);white-space:nowrap;border-radius:8px;font-size:11px}.chip.active{background:var(--green2);color:var(--green);border-color:#bcd8c8}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.product-card{border:1px solid var(--line);border-radius:13px;background:white;text-align:right;padding:15px;transition:transform .13s,border-color .13s;min-height:154px;color:var(--text);position:relative}.product-card:hover{border-color:var(--green);transform:translateY(-2px)}.product-card .product-symbol{width:38px;height:38px;background:#edf3ee;border-radius:10px;display:grid;place-items:center;color:var(--green);font-size:21px;margin-bottom:12px}.product-card b{display:block;font-size:12px;white-space:normal;line-height:1.6;min-height:20px}.product-card small{font-size:10px;color:var(--muted);display:block;margin:4px 0 12px}.product-card strong{font-size:14px;color:var(--green)}.product-card .add{background:var(--green2);color:var(--green);font-size:18px;width:26px;height:26px;display:inline-grid;place-items:center;border-radius:8px;float:left}.cart-panel{position:sticky;top:15px;padding:19px}.cart-panel .panel-head{padding-bottom:15px;border-bottom:1px solid var(--line)}.cart-lines{max-height:370px;overflow:auto;scrollbar-width:thin}.cart-line{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:12px}.cart-line b{display:block;margin-bottom:5px}.cart-line small{font-size:10px;color:var(--muted)}.cart-line-tools{display:flex;gap:5px;align-items:center;margin-top:9px}.cart-line-tools button{width:25px;height:25px;border:1px solid var(--line);background:#f7f9f7;border-radius:6px;color:var(--green)}.cart-line-tools .qty{width:60px;padding:4px;border:1px solid var(--line);border-radius:6px;text-align:center;font-size:11px}.cart-line-tools label{font-size:10px;display:flex;align-items:center;gap:3px;margin-right:7px}.totals-line{display:flex;justify-content:space-between;font-size:12px;padding:8px 0;color:var(--muted)}.totals-line b{color:var(--text);font-variant-numeric:tabular-nums}.total-box{background:var(--green);color:white;padding:18px;border-radius:12px;margin:12px 0 16px;display:flex;align-items:center;justify-content:space-between}.total-box span{font-size:11px}.total-box strong{font-size:27px;direction:ltr;font-variant-numeric:tabular-nums}.total-box small{font-size:10px;font-weight:400}.cart-panel .pay{width:100%;padding:14px;background:var(--green);margin-bottom:10px}.keyboard-hint{text-align:center;font-size:10px;color:var(--muted);margin-top:12px}kbd{border:1px solid var(--line);padding:1px 5px;border-radius:4px;background:white;font:10px monospace;color:var(--muted)}.modal-shade{position:fixed;inset:0;background:#0d231d65;backdrop-filter:blur(3px);z-index:30;display:grid;place-items:center;padding:20px}.modal{background:white;border:1px solid var(--line);border-radius:22px;box-shadow:0 15px 60px #0c251d33;width:min(700px,100%);max-height:92vh;overflow:auto;padding:25px}.modal.large{width:min(1050px,100%)}.modal-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title h2{margin:0}.modal-description{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:15px}.modal .total-box{margin-bottom:22px}.check-row{display:flex;align-items:center;gap:8px}#toast{position:fixed;bottom:24px;left:24px;max-width:440px;padding:15px 20px;border-radius:12px;background:#173c2c;color:white;box-shadow:0 8px 22px #0002;font-size:13px;z-index:60;display:none;line-height:1.8}.login-wrap{display:grid;grid-template-columns:1fr 1fr;max-width:920px;min-height:490px;margin:35px auto;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:white;box-shadow:var(--shadow)}.login-brand{background:var(--green);color:white;padding:45px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.login-brand:after{content:"";width:220px;height:220px;border:1px solid #ffffff24;border-radius:50%;position:absolute;bottom:-70px;left:-65px}.login-brand img{width:140px;height:140px;object-fit:contain;background:white;border-radius:22px;padding:6px;margin-bottom:25px}.login-brand h2{font-size:29px;margin-bottom:10px}.login-brand p{color:#d2e5d9;font-size:13px}.login-form{padding:45px;display:flex;flex-direction:column;justify-content:center}.login-form label{margin:14px 0}.login-form .btn{width:100%;margin-top:14px}.login-form small{color:var(--muted);font-size:11px;line-height:1.8;margin-top:20px}.mini-bars{height:200px;display:flex;align-items:flex-end;gap:9px;padding:20px 5px 28px;border-bottom:1px solid var(--line)}.mini-bar{flex:1;min-width:12px;max-width:40px;border-radius:5px 5px 0 0;background:#a9cebb;position:relative}.mini-bar:last-child{background:var(--green)}.mini-bar span{position:absolute;bottom:-23px;left:50%;transform:translateX(-50%);color:var(--muted);font-size:9px}.quick-tile{padding:19px;border:1px solid var(--line);border-radius:12px;background:white;text-align:right;display:flex;gap:12px;align-items:center;color:var(--text);min-width:0}.quick-tile svg{width:24px;height:24px;color:var(--green)}.quick-tile b{display:block;font-size:13px}.quick-tile small{color:var(--muted);font-size:10px;display:block;margin-top:6px}.receipt-preview{width:min(100%,340px);margin:0 auto;background:white;color:black;padding:22px;border:1px dashed #ccc;direction:rtl}.receipt-preview img{display:block;width:90px;height:90px;object-fit:contain;margin:0 auto}.receipt-preview h2,.receipt-preview .center{text-align:center;color:black}.receipt-preview p{color:black;font-size:11px}.receipt-preview table{font-size:11px;white-space:normal}.receipt-preview th,.receipt-preview td{padding:7px 4px;color:black}.receipt-preview .total-box{background:#f0f0f0;color:black;font-size:16px;padding:10px}.receipt-preview .total-box strong{font-size:20px}#pending-banner{background:#fff3da;color:#795407;padding:14px 28px;font-size:12px;line-height:1.8}#print-area{display:none}.error-message{color:var(--red);font-size:12px;padding:12px 0}.row-inputs{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr 32px;gap:8px;margin-bottom:10px}.row-inputs .field{font-size:12px}
@media(min-width:1500px){.product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.pos-grid{grid-template-columns:minmax(0,1fr) 410px}}@media(max-width:1150px){.app{grid-template-columns:200px minmax(0,1fr)}.brand img{width:50px;height:50px}.brand strong{font-size:16px}.brand span{font-size:8px}.page{padding:20px}.topbar{padding:0 20px}.pos-grid{grid-template-columns:minmax(0,1fr) 330px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{padding:15px 10px 0}nav button{font-size:12px;padding:11px 10px}}@media(max-width:900px){.pos-grid,.grid-2{grid-template-columns:1fr}.cart-panel{position:static}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.top-actions .tag{display:none}.login-wrap{grid-template-columns:1fr}.login-brand{display:none}}@media(max-width:700px){.app{display:block}.sidebar{height:auto;position:static;padding:10px}.brand{padding:0 5px 10px}.brand img{width:45px;height:45px}.sidebar nav{display:flex;overflow-x:auto;overflow-y:hidden}.sidebar nav button{width:auto;flex-shrink:0;margin:0 4px}.sidebar-bottom,.nav-label{display:none}.topbar{padding:10px 15px;height:auto}.top-actions{font-size:11px;gap:8px}.page{padding:17px 14px}.page-heading{align-items:flex-start;flex-direction:column}h1{font-size:23px}.grid-3{grid-template-columns:1fr}.grid-4{gap:10px}.stat{padding:14px}.stat strong{font-size:21px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid{grid-template-columns:1fr}.modal{padding:19px}.login-form{padding:28px}.row-inputs{grid-template-columns:1fr 1fr}.topbar .breadcrumb{display:none}}
@media print{@page{margin:4mm}body{background:white;color:black}.app,#modal-root,#toast{display:none!important}#print-area{display:block!important;width:var(--receipt-width);font:11px Tahoma,Arial,sans-serif;direction:rtl;background:white;color:black;margin:0 auto}#print-area.report{width:100%;font-size:10px}#print-area .receipt-preview{border:0;padding:0;width:100%}#print-area table{width:100%;white-space:normal;font-size:10px}#print-area th,#print-area td{color:black;border-bottom:1px dotted #999;padding:5px 2px}#print-area h2{text-align:center}#print-area img{max-width:90px;max-height:90px}.main-footer{display:none}}
/* Keep numeric totals prominent even when currency markup contains nested spans. */
.total-box strong .num{font-size:inherit;font-weight:inherit}.product-card strong small{display:inline;margin:0;font-size:10px}.total-box>span{font-size:12px}.total-box strong{line-height:1.25}.row-inputs input{min-width:0}
@media print{@page{margin:0}#print-area{padding:2mm 0}#print-area.report{padding:10mm;width:auto}}
/* V5.1 compact checkout: cart scrolls internally; total and payment stay reachable. */
#system-alerts .note{margin:8px 20px} .pos-mode .page{padding-bottom:10px}
@media(min-width:701px){
.pos-mode .page-heading{margin-bottom:12px}.pos-mode .page-subtitle{display:none}
.pos-mode .pos-grid{grid-template-columns:minmax(0,1fr) 330px;align-items:start}
.pos-mode .cart-panel{max-height:calc(100dvh - 165px);display:flex;flex-direction:column;padding:12px;gap:0}
.pos-mode .cart-lines{min-height:50px;flex:1 1 auto;max-height:none;overflow:auto}
.pos-mode .cart-panel>.panel-head,.pos-mode .cart-panel>.total-box,.pos-mode .cart-panel>.pay,.pos-mode .cart-panel>.totals-line,.pos-mode .cart-panel>.flex{flex-shrink:0}
.pos-mode .cart-panel .total-box{padding:10px;margin:7px 0}.pos-mode .cart-panel .total-box strong{font-size:24px}
.pos-mode .cart-panel .pay{padding:11px;margin-bottom:5px}.pos-mode .keyboard-hint{margin-top:6px;font-size:9px}
.pos-mode .cart-panel .totals-line{padding:4px 0}.pos-mode .cart-panel .field{padding:7px}
}
@media(min-width:701px) and (max-width:1000px){
.pos-mode .app{grid-template-columns:164px minmax(0,1fr)}.pos-mode .brand span{display:none}.pos-mode .brand strong{font-size:14px}.pos-mode .brand img{width:35px;height:35px}
.pos-mode .page{padding:12px}.pos-mode .page-heading{gap:6px}.pos-mode .page-actions .btn{padding:7px;font-size:11px}
.pos-mode h1{font-size:20px}.pos-mode .pos-grid{grid-template-columns:minmax(0,1fr) minmax(245px,46%);gap:10px}
.pos-mode .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pos-mode .catalog{padding:12px}.pos-mode .product-card{padding:9px;min-height:115px}.pos-mode .product-symbol{display:none}
.pos-mode .scan-help{display:none}.pos-mode .cart-panel{max-height:calc(100dvh - 140px)}
}
@media(max-width:700px){.pos-mode .pos-grid{display:flex;flex-direction:column}.pos-mode .cart-panel{order:-1;width:100%}.pos-mode .cart-lines{max-height:150px}.pos-mode .catalog{width:100%}.pos-mode .keyboard-hint{display:none}.pos-mode .cart-panel .total-box{padding:10px}.pos-mode .page-actions{flex-wrap:wrap}}
@media print{#system-alerts{display:none!important}.receipt-preview svg{max-width:100%}}

/* Baghdad AI UI refresh V5.2.1 — light, high-contrast Aswaq Baghdad identity */
.ai-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;min-height:640px;
  align-items:stretch
}
.ai-chat{
  display:flex;flex-direction:column;min-height:640px;background:#fff;
  border:1px solid #dfe8e3;border-radius:20px;padding:18px;
  box-shadow:0 10px 28px rgba(15,81,50,.07)
}
.ai-messages{
  flex:1;overflow:auto;max-height:62vh;padding:10px 8px 14px;
  display:flex;flex-direction:column;gap:14px;scrollbar-width:thin;
  scrollbar-color:#b8cec2 transparent
}
.ai-msg{
  max-width:min(82%,760px);padding:14px 17px;border-radius:18px;
  line-height:1.9;white-space:pre-wrap;font-size:14px;
  box-shadow:0 4px 14px rgba(22,45,35,.05)
}
.ai-msg.user{
  align-self:flex-start;background:#0f6b45;color:#fff;border:1px solid #0f6b45;
  border-bottom-right-radius:18px;border-bottom-left-radius:6px
}
.ai-msg.assistant{
  align-self:flex-end;background:#f7faf8;color:#17241e;border:1px solid #dce8e1;
  border-bottom-left-radius:18px;border-bottom-right-radius:6px
}
.ai-msg.assistant strong,.ai-msg.assistant b{color:#0f5132}
.ai-msg small{display:block;color:inherit;opacity:.62;margin-top:8px;font-size:10px}
.ai-compose{
  display:flex;gap:10px;margin-top:12px;padding-top:14px;border-top:1px solid #edf2ef;
  align-items:flex-end
}
.ai-compose textarea{
  flex:1;min-height:58px;max-height:150px;resize:vertical;background:#fff;color:#17241e;
  border:1px solid #cfdcd5;border-radius:14px;padding:14px 15px;outline:none;
  box-shadow:0 2px 8px rgba(15,81,50,.03)
}
.ai-compose textarea:focus{border-color:#198754;box-shadow:0 0 0 3px rgba(25,135,84,.10)}
.ai-compose .btn{min-width:74px;min-height:48px;border-radius:13px;background:#0f6b45;color:#fff}
.ai-compose .btn:hover{background:#0b5738}
.ai-suggestions{
  display:flex;flex-direction:column;gap:9px;background:#fbfcfb;border:1px solid #e2ebe6;
  border-radius:20px;padding:18px;box-shadow:0 8px 22px rgba(15,81,50,.04)
}
.ai-suggestions h2,.ai-suggestions h3{color:#17241e}
.ai-suggestions button{
  text-align:right;background:#fff!important;color:#24342c!important;border:1px solid #dbe6e0!important;
  border-radius:13px!important;padding:11px 13px!important;font-weight:600!important;
  box-shadow:none!important;transition:.15s ease
}
.ai-suggestions button:hover{
  border-color:#198754!important;background:#f2f8f4!important;color:#0f5132!important;
  transform:translateY(-1px)
}
.ai-readonly{
  padding:11px 14px;border-radius:13px;background:#edf7f1;color:#245f42;
  border:1px solid #d3eadc;font-size:12px;font-weight:600
}
.ai-loading{opacity:.65}
.ai-meta{font-size:11px;color:#708179}
.ai-chat .empty{color:#718079;background:#f8faf9;border:1px dashed #dbe5df;border-radius:16px}
.ai-chat .empty-icon{background:#e9f5ee;color:#0f6b45}
@media(max-width:900px){
  .ai-shell{grid-template-columns:1fr;min-height:0}
  .ai-chat{min-height:540px}
  .ai-messages{max-height:55vh}
  .ai-suggestions{order:-1}
}
@media(max-width:600px){
  .ai-chat{padding:12px;border-radius:15px}
  .ai-msg{max-width:94%;font-size:13px;padding:12px 14px}
  .ai-compose{gap:7px}
  .ai-compose .btn{min-width:64px}
}

/* V5.3 production readiness */
.checklist{display:grid;gap:9px}.checklist p{margin:0;padding:11px 13px;border:1px solid #dfe8e3;border-radius:12px;background:#f8fbf9;color:#294438}code{font-family:Consolas,monospace;font-size:11px}

/* V5.5 hardware setup */
.hardware-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.device-ok,.device-bad{padding:12px 14px;border-radius:12px;border:1px solid}.device-ok{background:#edf8f1;border-color:#cde8d7;color:#145c39}.device-bad{background:#fff2f1;border-color:#f0cfcb;color:#8a2f28}.device-ok small,.device-bad small{display:block;margin-top:5px;color:inherit;opacity:.75}.hardware-grid label{display:block;margin-top:12px}.hardware-grid .scan-field{font-size:18px;letter-spacing:1px}@media(max-width:900px){.hardware-grid{grid-template-columns:1fr}}