:root{
  --bg:#f1f4f9;
  --card:#ffffff;
  --text:#101828;
  --muted:#667085;
  --border:#e4e7ec;
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --primary-light:#eef2ff;
  --green:#15803d; --green-bg:#dcfce7; --green-border:#86efac;
  --yellow:#b45309; --yellow-bg:#fef3c7; --yellow-border:#fcd34d;
  --red:#b91c1c; --red-bg:#fee2e2; --red-border:#fca5a5;
  --gray:#667085; --gray-bg:#f2f4f7; --gray-border:#d0d5dd;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  --shadow-lg:0 8px 24px rgba(16,24,40,.14);
  --sidebar-w:240px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;}
input,select{font-family:inherit;}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh;}

.sidebar{
  width:var(--sidebar-w);
  background:linear-gradient(180deg,#121a33,#0c1226);
  color:#cbd3e8;
  flex-shrink:0;
  display:flex;
  flex-direction:column;
  position:sticky;
  top:0;
  height:100vh;
}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:22px 20px;
  color:#fff;
  font-weight:700;
  font-size:19px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand .logo{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.nav{padding:14px 10px;display:flex;flex-direction:column;gap:3px;}
.nav-item{
  display:flex;align-items:center;gap:11px;
  padding:11px 14px;border-radius:10px;cursor:pointer;
  color:#b6bfdb;font-size:14.5px;font-weight:500;
  border:none;background:transparent;text-align:left;width:100%;
  transition:background .15s,color .15s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:rgba(99,102,241,.22);color:#fff;}
.nav-item .ic{font-size:17px;width:20px;text-align:center;}
.sidebar-footer{
  margin-top:auto;padding:16px 18px;font-size:11.5px;color:#6b7399;
  border-top:1px solid rgba(255,255,255,.08);
}
.sidebar-footer button{
  margin-top:8px;width:100%;padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);color:#cbd3e8;font-size:12px;cursor:pointer;
}
.sidebar-footer button:hover{background:rgba(255,255,255,.1);}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;background:var(--card);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:20;
}
.topbar h1{font-size:20px;margin:0;font-weight:700;}
.topbar .sub{color:var(--muted);font-size:13px;margin-top:2px;}
.content{padding:24px 28px 60px;max-width:1400px;width:100%;margin:0 auto;}

/* ---------- Cards / generic ---------- */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;
}
.grid{display:grid;gap:18px;}
.kpis{grid-template-columns:repeat(4,1fr);margin-bottom:22px;}
@media(max-width:1000px){.kpis{grid-template-columns:repeat(2,1fr);}}

.kpi{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.kpi .label{color:var(--muted);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;}
.kpi .value{font-size:28px;font-weight:800;margin-top:6px;}
.kpi .hint{font-size:12px;color:var(--muted);margin-top:4px;}
.kpi.accent-red .value{color:var(--red);}
.kpi.accent-green .value{color:var(--green);}
.kpi.accent-indigo .value{color:var(--primary);}

h2.section-title{font-size:16px;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.section-block{margin-bottom:26px;}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;}
.badge-green{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);}
.badge-yellow{background:var(--yellow-bg);color:var(--yellow);border:1px solid var(--yellow-border);}
.badge-red{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border);}
.badge-gray{background:var(--gray-bg);color:var(--gray);border:1px solid var(--gray-border);}
.badge-indigo{background:var(--primary-light);color:var(--primary-dark);border:1px solid #c7d2fe;}

.dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.dot-green{background:var(--green);} .dot-yellow{background:var(--yellow);} .dot-red{background:var(--red);} .dot-gray{background:var(--gray-border);}

/* ---------- Warehouse layout ---------- */
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:16px;font-size:13px;color:var(--muted);}
.legend span{display:inline-flex;align-items:center;gap:6px;}

.zone{margin-bottom:22px;}
.zone-title{font-size:14px;font-weight:700;margin:0 0 10px;color:#344054;display:flex;align-items:center;gap:8px;}
.slots-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;}
.slot{
  border-radius:10px;padding:12px 10px;cursor:pointer;border:1.5px solid transparent;
  min-height:76px;display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .12s,box-shadow .12s;background:var(--gray-bg);
}
.slot:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.slot .code{font-weight:800;font-size:13px;}
.slot .meta{font-size:11px;opacity:.85;}
.slot.status-green{background:var(--green-bg);border-color:var(--green-border);color:#14532d;}
.slot.status-yellow{background:var(--yellow-bg);border-color:var(--yellow-border);color:#78350f;}
.slot.status-red{background:var(--red-bg);border-color:var(--red-border);color:#7f1d1d;}
.slot.status-empty{background:#f8fafc;border:1.5px dashed var(--gray-border);color:var(--muted);}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px;}
th{text-align:left;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;padding:8px 10px;border-bottom:1px solid var(--border);}
td{padding:10px 10px;border-bottom:1px solid var(--border);vertical-align:middle;}
tr.row-click{cursor:pointer;}
tr.row-click:hover{background:#f8f9fc;}
.progress-bar{width:100%;height:7px;border-radius:99px;background:var(--gray-bg);overflow:hidden;}
.progress-bar>div{height:100%;border-radius:99px;}

/* ---------- Toolbar / inputs ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;}
input[type=text],input[type=number],select,textarea{
  border:1px solid var(--border);border-radius:9px;padding:9px 12px;font-size:13.5px;background:#fff;color:var(--text);
}
input[type=text]:focus,input[type=number]:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:#fff;color:var(--text);
  padding:9px 15px;border-radius:9px;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .12s;white-space:nowrap;
}
.btn:hover{background:#f8f9fc;}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-danger{background:#fff;border-color:var(--red-border);color:var(--red);}
.btn-danger:hover{background:var(--red-bg);}
.btn-sm{padding:6px 11px;font-size:12.5px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn-block{width:100%;justify-content:center;}

.chip{display:inline-flex;padding:6px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:12.5px;cursor:pointer;border:1px solid #c7d2fe;font-weight:600;}
.chip:hover{background:#e0e7ff;}

/* ---------- AI Search ---------- */
.ai-box{
  background:linear-gradient(135deg,#eef2ff,#faf5ff);
  border:1px solid #ddd6fe;border-radius:16px;padding:20px;margin-bottom:22px;
}
.ai-box .ai-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.ai-box .ai-head .ic{font-size:22px;}
.ai-box .ai-head h3{margin:0;font-size:16px;}
.ai-box .ai-head p{margin:1px 0 0;font-size:12.5px;color:var(--muted);}
.ai-search-row{display:flex;gap:10px;}
.ai-search-row input{flex:1;padding:12px 14px;font-size:14px;border-radius:11px;}
.ai-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.ai-results{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.ai-result{
  background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 14px;
  display:flex;align-items:center;gap:14px;cursor:pointer;
}
.ai-result:hover{box-shadow:var(--shadow-lg);}
.ai-result .relevance-ring{width:44px;height:44px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:800;color:#fff;background:conic-gradient(var(--primary) calc(var(--pct)*1%), #e5e7eb 0);}
.ai-result .relevance-ring span{background:#fff;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:10.5px;}
.ai-result .match-reason{font-size:11.5px;color:var(--muted);margin-top:2px;}
.ai-result .r-body{flex:1;min-width:0;}
.ai-result .r-title{font-weight:700;font-size:14px;}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(16,24,40,.55);display:flex;align-items:center;justify-content:center;
  z-index:100;padding:20px;backdrop-filter:blur(2px);
}
.modal{
  background:#fff;border-radius:16px;max-width:560px;width:100%;max-height:88vh;overflow:auto;
  box-shadow:var(--shadow-lg);animation:pop .15s ease;
}
@keyframes pop{from{transform:scale(.96);opacity:0;}to{transform:scale(1);opacity:1;}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border);}
.modal-head h3{margin:0;font-size:17px;}
.modal-close{border:none;background:none;font-size:20px;cursor:pointer;color:var(--muted);line-height:1;padding:4px;}
.modal-body{padding:20px 22px;}
.modal-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

/* ---------- Toasts ---------- */
.toast-wrap{position:fixed;bottom:22px;right:22px;z-index:200;display:flex;flex-direction:column;gap:8px;}
.toast{
  background:#101828;color:#fff;padding:12px 16px;border-radius:10px;font-size:13.5px;
  box-shadow:var(--shadow-lg);min-width:220px;animation:slidein .18s ease;
}
.toast.success{background:#14532d;}
.toast.error{background:#7f1d1d;}
@keyframes slidein{from{transform:translateX(20px);opacity:0;}to{transform:translateX(0);opacity:1;}}

/* ---------- Orders ---------- */
.orders-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px;}
.order-card{border:1px solid var(--border);border-radius:14px;padding:16px;background:#fff;cursor:pointer;transition:box-shadow .12s,border-color .12s;}
.order-card:hover{box-shadow:var(--shadow-lg);border-color:#c7d2fe;}
.order-card.selected{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.order-card .oc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;}
.order-card .oc-id{font-size:11.5px;color:var(--muted);font-weight:700;letter-spacing:.02em;}
.order-card .oc-title{font-weight:700;font-size:14.5px;margin:3px 0 8px;}
.order-card .oc-meta{font-size:12px;color:var(--muted);margin-bottom:10px;}

.order-detail{margin-top:22px;}
.pos-row-add{display:flex;gap:8px;align-items:center;margin-top:14px;flex-wrap:wrap;}
.pos-row-add select{flex:1;min-width:220px;}
.pos-row-add input{width:90px;}
.insufficient{color:var(--red);font-size:11.5px;font-weight:600;}

/* ---------- Pick list mobile view ---------- */
.pick-page-wrap{display:flex;flex-direction:column;align-items:center;}
.pick-select{width:100%;max-width:420px;margin-bottom:18px;}
.phone{
  width:100%;max-width:420px;background:#0c1226;border-radius:34px;padding:14px;box-shadow:var(--shadow-lg);
}
.phone-screen{background:#f5f6fa;border-radius:22px;overflow:hidden;min-height:520px;display:flex;flex-direction:column;}
.phone-notch{height:22px;display:flex;align-items:center;justify-content:center;}
.phone-notch .bump{width:70px;height:6px;background:#1c2340;border-radius:99px;}
.phone-header{background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;padding:16px 18px 14px;}
.phone-header .ph-title{font-weight:700;font-size:15px;}
.phone-header .ph-sub{font-size:12px;opacity:.85;margin-top:2px;}
.phone-progress{background:rgba(255,255,255,.25);height:6px;border-radius:99px;margin-top:12px;overflow:hidden;}
.phone-progress>div{height:100%;background:#fff;border-radius:99px;}
.phone-body{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px;}
.pick-item{background:#fff;border-radius:14px;padding:12px 13px;border:1px solid var(--border);display:flex;flex-direction:column;gap:8px;}
.pick-item.done{opacity:.6;}
.pick-item .pi-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;}
.pick-item .pi-name{font-weight:700;font-size:13.5px;}
.pick-item .pi-sub{font-size:11.5px;color:var(--muted);margin-top:2px;}
.pick-item .pi-qty{font-weight:800;font-size:15px;color:var(--primary-dark);}
.phone-footer{padding:12px 14px;border-top:1px solid var(--border);background:#fff;}

/* QR scan overlay */
.scan-overlay{position:fixed;inset:0;background:rgba(5,8,20,.92);z-index:300;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;}
.scan-frame{width:240px;height:240px;border-radius:20px;position:relative;overflow:hidden;background:#111a33;box-shadow:0 0 0 2px rgba(255,255,255,.08);}
.scan-frame::before,.scan-frame::after{content:'';position:absolute;width:40px;height:40px;border-color:#22c55e;}
.corner{position:absolute;width:34px;height:34px;border:3px solid #22c55e;}
.corner.tl{top:8px;left:8px;border-right:none;border-bottom:none;}
.corner.tr{top:8px;right:8px;border-left:none;border-bottom:none;}
.corner.bl{bottom:8px;left:8px;border-right:none;border-top:none;}
.corner.br{bottom:8px;right:8px;border-left:none;border-top:none;}
.scan-line{position:absolute;left:6px;right:6px;height:3px;background:linear-gradient(90deg,transparent,#22c55e,transparent);animation:scanmove 1.6s linear infinite;box-shadow:0 0 10px #22c55e;}
@keyframes scanmove{0%{top:10px;}50%{top:230px;}100%{top:10px;}}
.scan-success{font-size:54px;}
.scan-caption{margin-top:18px;font-size:14px;color:#cbd5e1;text-align:center;max-width:280px;}
.scan-item-label{margin-top:4px;font-weight:700;color:#fff;}
.scan-actions{margin-top:22px;display:flex;gap:10px;}
.scan-actions .btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff;}
.scan-actions .btn-primary{background:#22c55e;border-color:#22c55e;color:#06220f;}

/* ---------- Material detail panel ---------- */
.detail-bar{height:9px;border-radius:99px;background:var(--gray-bg);overflow:hidden;margin:6px 0 2px;}
.detail-bar>div{height:100%;}
.kv{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--border);font-size:13.5px;}
.kv:last-child{border-bottom:none;}
.kv .k{color:var(--muted);}
.empty-state{text-align:center;color:var(--muted);padding:30px 10px;font-size:13.5px;}

.hidden{display:none !important;}

@media(max-width:860px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .2s;}
  .sidebar.open{transform:translateX(0);}
  .content{padding:18px 14px 50px;}
  .topbar{padding:14px 16px;}
  .kpis{grid-template-columns:repeat(2,1fr);}
  .menu-toggle{display:inline-flex !important;}
}
.menu-toggle{display:none;border:none;background:none;font-size:20px;cursor:pointer;margin-right:10px;}