:root {
  --bg:#f4f7fb; --panel:#fff; --nav:#0b2b50; --nav2:#123f73;
  --text:#172033; --muted:#6b7280; --line:#d9e2ec; --ok:#147a4b;
  --warn:#b7791f; --bad:#b42318; --accent:#1f6fb2;
}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
.app{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--nav);padding:22px 14px;color:#fff;position:fixed;inset:0 auto 0 0}
.brand{font-size:22px;font-weight:700;margin:0 8px 24px}.brand span{font-size:12px;background:#fff;color:var(--nav);padding:3px 6px;border-radius:6px}
.nav{display:block;width:100%;border:0;background:transparent;color:#dce8f5;text-align:left;padding:12px 14px;border-radius:9px;margin:4px 0;cursor:pointer;font-size:14px}
.nav:hover,.nav.active{background:var(--nav2);color:#fff}
main{margin-left:230px;width:calc(100% - 230px);padding:24px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
header h1{margin:0;font-size:25px}header p{margin:5px 0 0;color:var(--muted)}.user-chip{background:#e8f0f8;color:var(--nav);padding:9px 12px;border-radius:20px;font-weight:600}
.view{display:none}.view.active{display:block}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 2px 7px rgba(0,0,0,.03)}
.kpi .label{color:var(--muted);font-size:13px}.kpi .value{font-size:28px;font-weight:700;margin-top:8px}.kpi .sub{font-size:12px;color:var(--muted);margin-top:4px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:16px}.panel h3{margin:0 0 12px}
table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{background:#eef4fa;color:var(--nav)}
.badge{display:inline-block;padding:4px 8px;border-radius:99px;font-size:12px;font-weight:700}.ok{background:#e4f5ec;color:var(--ok)}.warn{background:#fff4df;color:var(--warn)}.bad{background:#fde9e7;color:var(--bad)}.info{background:#e8f0f8;color:var(--accent)}
.row{display:flex;gap:12px;flex-wrap:wrap}.field{flex:1;min-width:190px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cdd8e3;border-radius:8px;background:#fff;font-size:14px}
button.primary,button.secondary,button.danger{border:0;border-radius:8px;padding:10px 14px;cursor:pointer;font-weight:700}
button.primary{background:var(--nav2);color:#fff}.secondary{background:#e8f0f8;color:var(--nav2)}.danger{background:#fde9e7;color:var(--bad)}
.actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.scanbox{background:#f8fbff;border:2px dashed #9ab7d2;border-radius:12px;padding:18px;margin-top:12px}
.msg{padding:10px 12px;border-radius:8px;margin-top:10px;font-size:13px}.msg.ok{background:#e9f7ef;color:var(--ok)}.msg.bad{background:#fde9e7;color:var(--bad)}.msg.warn{background:#fff7e7;color:var(--warn)}
.timeline{border-left:3px solid #c8d8e8;margin-left:8px;padding-left:14px}.event{margin:0 0 14px}.event small{color:var(--muted)}
#toast{position:fixed;right:20px;bottom:20px;background:#172033;color:white;padding:11px 14px;border-radius:9px;display:none;z-index:999}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.sidebar{width:100%;height:auto;position:static;display:flex;overflow:auto}.brand{display:none}.nav{min-width:max-content}.app{display:block}main{margin-left:0;width:100%;padding:14px}.grid{grid-template-columns:1fr}header{align-items:flex-start}}

/* V1.4 Dashboard visual enhancements */
.kpi{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;border-top:5px solid #d9e2ec}
.kpi:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.10)}
.kpi-total{border-top-color:#3b82f6;background:linear-gradient(135deg,#fff,#eff6ff)}
.kpi-available{border-top-color:#16a34a;background:linear-gradient(135deg,#fff,#f0fdf4)}
.kpi-packing{border-top-color:#f59e0b;background:linear-gradient(135deg,#fff,#fffbeb)}
.kpi-ready{border-top-color:#8b5cf6;background:linear-gradient(135deg,#fff,#f5f3ff)}
.kpi-outbound{border-top-color:#06b6d4;background:linear-gradient(135deg,#fff,#ecfeff)}
.kpi-inspection{border-top-color:#f97316;background:linear-gradient(135deg,#fff,#fff7ed)}
.kpi-maintenance{border-top-color:#ef4444;background:linear-gradient(135deg,#fff,#fef2f2)}
.kpi-orders{border-top-color:#64748b;background:linear-gradient(135deg,#fff,#f8fafc)}
.kpi .value{letter-spacing:-1px}.kpi .hint{font-size:11px;color:#64748b;margin-top:7px}
.detail-panel{animation:fadein .18s ease}.detail-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.close-detail{border:0;background:#eef4fa;color:#0b2b50;border-radius:8px;padding:8px 11px;cursor:pointer}
@keyframes fadein{from{opacity:.3;transform:translateY(-5px)}to{opacity:1;transform:none}}

/* V1.5 Asset 360 / Control Tower */
.asset-link{background:none;border:0;padding:0;color:#0f4c81;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.asset-link:hover{color:#123f73}
.control-search{display:flex;gap:10px;align-items:end;flex-wrap:wrap}
.control-search .field{max-width:420px}
.asset360{margin-top:16px}
.asset360-top{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.asset360-mini{border:1px solid var(--line);border-radius:10px;padding:12px;background:#f8fbff}
.asset360-mini .k{font-size:11px;color:var(--muted);text-transform:uppercase}
.asset360-mini .v{font-size:16px;font-weight:700;margin-top:5px;word-break:break-word}
.asset360-section{margin-top:16px}
.asset360-section h4{margin:0 0 8px;color:var(--nav)}
.asset360-empty{padding:14px;border:1px dashed var(--line);border-radius:9px;color:var(--muted)}
.asset360-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.asset360-banner{border-left:5px solid #1f6fb2;background:#eef6ff;padding:12px 14px;border-radius:8px}
@media(max-width:900px){.asset360-top{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.asset360-top{grid-template-columns:1fr}}

/* V1.7 Analytics charts */
.analytics-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.analytics-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.analytics-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.analytics-head h3{margin:0}.analytics-controls{display:flex;gap:8px;flex-wrap:wrap}
.analytics-controls select{min-width:165px;padding:8px 10px}
.chart-area{margin-top:16px;min-height:300px}
.bar-row{display:grid;grid-template-columns:105px 1fr 55px;gap:10px;align-items:center;margin:12px 0}
.bar-label{font-weight:700;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-track{height:24px;background:#edf2f7;border-radius:7px;overflow:hidden;cursor:pointer;position:relative}
.bar-fill{height:100%;min-width:2px;border-radius:7px;background:linear-gradient(90deg,#1f6fb2,#4ea3df);transition:width .25s ease}
.branch-fill{background:linear-gradient(90deg,#7c3aed,#a78bfa)}
.bar-value{text-align:right;font-weight:700}
.chart-foot{font-size:11px;color:var(--muted);margin-top:12px}
.analysis-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.analysis-summary .mini{background:#f8fbff;border:1px solid var(--line);border-radius:9px;padding:10px}
.analysis-summary .mini small{color:var(--muted)}.analysis-summary .mini b{display:block;font-size:20px;margin-top:4px}
.chart-detail{margin-top:12px}
@media(max-width:1050px){.analytics-grid{grid-template-columns:1fr}}
@media(max-width:650px){.bar-row{grid-template-columns:85px 1fr 42px}.analysis-summary{grid-template-columns:1fr}}

/* V1.8 Time filter controls */
.time-filter-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:16px}
.time-filter-row{display:flex;gap:10px;align-items:end;flex-wrap:wrap}
.time-filter-row .field{min-width:150px;max-width:210px}
.quick-filter{display:flex;gap:8px;flex-wrap:wrap}
.quick-filter button{border:1px solid #cdd8e3;background:#fff;color:#0b2b50;border-radius:8px;padding:9px 12px;cursor:pointer;font-weight:700}
.quick-filter button.active{background:#123f73;color:#fff;border-color:#123f73}
.period-chip{display:inline-block;background:#eef4fa;color:#0b2b50;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700;margin-top:8px}

/* V1.9 Fixed dashboard header + independently scrollable detail area */
#dashboard{
  height:calc(100vh - 130px);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.dashboard-fixed-zone{
  flex:0 0 auto;
  position:relative;
  z-index:5;
  background:var(--bg);
  padding-bottom:10px;
}
.dashboard-scroll-zone{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  padding-right:6px;
}
.dashboard-scroll-zone::-webkit-scrollbar{width:10px}
.dashboard-scroll-zone::-webkit-scrollbar-track{background:#eef2f6;border-radius:10px}
.dashboard-scroll-zone::-webkit-scrollbar-thumb{background:#b9c8d8;border-radius:10px}
.dashboard-scroll-zone::-webkit-scrollbar-thumb:hover{background:#95abc1}
@media(max-width:700px){
  #dashboard{height:auto;overflow:visible;display:block}
  .dashboard-fixed-zone{position:static}
  .dashboard-scroll-zone{overflow:visible}
}

/* V2.0 Performance Dashboard */
.performance-toolbar{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:16px}
.performance-toolbar .row{align-items:end}
.performance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.performance-kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.performance-kpi small{color:var(--muted)}.performance-kpi b{display:block;font-size:25px;margin-top:5px}
.performance-main{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.performance-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.performance-card h3{margin:0 0 4px}.perf-sub{font-size:12px;color:var(--muted)}
.perf-options{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.perf-options select{min-width:155px}
.perf-chart{margin-top:14px;min-height:260px}
.perf-detail{margin-top:14px}
@media(max-width:1100px){.performance-grid{grid-template-columns:repeat(2,1fr)}.performance-main{grid-template-columns:1fr}}
@media(max-width:650px){.performance-grid{grid-template-columns:1fr}}

/* V2.1 Dashboard drill-down filters */
.table-filter-bar{
  display:flex;gap:10px;align-items:end;flex-wrap:wrap;
  padding:10px 0 14px;
}
.table-filter-bar .field{min-width:150px;max-width:230px}
.table-filter-bar .field.search{min-width:220px;max-width:320px}
.sortable-th{cursor:pointer;user-select:none}
.sortable-th:hover{background:#dfeaf5}
.sort-indicator{font-size:11px;margin-left:4px;color:#64748b}
.filter-summary{font-size:12px;color:var(--muted);margin:4px 0 8px}

/* V2.1.1 stability */
.table-filter-bar input,.table-filter-bar select{min-height:40px}
.table-filter-bar .actions{align-self:flex-end}

/* V2.1.2 NAVIGATION HOTFIX
   Dashboard must obey normal .view visibility.
*/
#dashboard.view{
  display:none;
}
#dashboard.view.active{
  display:flex;
  height:calc(100vh - 130px);
  overflow:hidden;
  flex-direction:column;
}

/* Other pages behave as normal views */
.view:not(.active){
  display:none !important;
}
.view.active:not(#dashboard){
  display:block;
}

@media(max-width:700px){
  #dashboard.view.active{
    display:block;
    height:auto;
    overflow:visible;
  }
}

#route_search_results .panel{max-height:330px;overflow:auto}

/* V2.3 Route Working Session */
#working_route_results .panel{max-height:330px;overflow:auto}

/* V2.4 Asset lifecycle admin */
#asset_admin_table .secondary,#asset_admin_table .danger{padding:7px 9px;font-size:12px;margin:2px}

/* V2.5 Multi-Warehouse */
.warehouse-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.warehouse-card{cursor:pointer;border-top:4px solid #0f766e}
.warehouse-mini{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:10px;font-size:12px}
.warehouse-mini span{background:#f5f8fb;padding:6px;border-radius:7px}
.warehouse-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.warehouse-summary-item{padding:10px 12px;border:1px solid #d9e3ee;border-radius:10px;background:#f8fbff;cursor:pointer;display:flex;flex-direction:column;gap:3px}
.warehouse-summary-item:hover{background:#edf6ff}
.warehouse-summary-item span{font-size:20px;font-weight:700}
.warehouse-summary-item small{color:#64748b}
.warehouse-summary-item.transit{background:#f4f0ff}
.warehouse-detail{margin-top:14px}
@media(max-width:900px){.warehouse-grid,.warehouse-summary{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.warehouse-grid,.warehouse-summary{grid-template-columns:1fr}}

/* V2.6 Thermal Holding Time */
.thermal-preview{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.thermal-preview>div{border:1px solid var(--line);background:#f8fbff;border-radius:9px;padding:10px}
.thermal-preview small{display:block;color:var(--muted);margin-bottom:5px}
.thermal-preview b{font-size:15px}
@media(max-width:900px){.thermal-preview{grid-template-columns:repeat(2,1fr)}}
@media(max-width:550px){.thermal-preview{grid-template-columns:1fr}}

/* V2.7 operational tables */
.table-filter-bar{background:#f8fbff;border:1px solid #e3ebf3;border-radius:10px;padding:10px;margin:10px 0}
.sortable-th{white-space:nowrap}
.filter-summary{padding:0 2px 8px;font-weight:600;color:#64748b}

/* V2.8 Thermal Control Tower */
.thermal-hero{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:14px}
.thermal-hero h2{margin:0}.thermal-hero p{margin:5px 0 0;color:var(--muted)}
.thermal-kpi-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.thermal-kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;border-top:5px solid #94a3b8}
.thermal-kpi small{display:block;color:var(--muted)}.thermal-kpi b{display:block;font-size:26px;margin:5px 0}.thermal-kpi span{font-size:11px;color:#64748b}
.thermal-kpi.safe{border-top-color:#16a34a;background:#f0fdf4}
.thermal-kpi.warning{border-top-color:#f59e0b;background:#fffbeb}
.thermal-kpi.critical{border-top-color:#f97316;background:#fff7ed}
.thermal-kpi.exceeded{border-top-color:#dc2626;background:#fef2f2}
.thermal-kpi.neutral{border-top-color:#3b82f6;background:#eff6ff}
.thermal-progress{height:10px;width:110px;background:#e5e7eb;border-radius:99px;overflow:hidden;margin-bottom:3px}
.thermal-progress>div{height:100%;background:linear-gradient(90deg,#22c55e,#f59e0b,#ef4444)}
.dashboard-thermal-strip{background:#fff7ed;border:1px solid #fed7aa;border-left:5px solid #f97316;border-radius:10px;padding:9px 12px;margin-top:10px;cursor:pointer}
.dashboard-thermal-strip strong{color:#b42318}.dashboard-thermal-strip small{float:right;color:#64748b}
@media(max-width:1200px){.thermal-kpi-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.thermal-kpi-grid{grid-template-columns:1fr 1fr}.thermal-hero{display:block}.dashboard-thermal-strip small{float:none;display:block;margin-top:4px}}

/* V3.0 Operations Intelligence */
.alert-kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}
.alert-kpi{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff}
.alert-kpi small{color:var(--muted)}.alert-kpi b{display:block;font-size:28px;margin-top:5px}
.alert-kpi.critical{border-top:5px solid #dc2626;background:#fef2f2}
.alert-kpi.high{border-top:5px solid #f97316;background:#fff7ed}
.alert-kpi.medium{border-top:5px solid #f59e0b;background:#fffbeb}
.alert-kpi.neutral{border-top:5px solid #3b82f6;background:#eff6ff}
.dashboard-alert-strip{background:#fef2f2;border:1px solid #fecaca;border-left:5px solid #dc2626;border-radius:10px;padding:9px 12px;margin-top:8px;cursor:pointer}
.dashboard-alert-strip strong{color:#b42318}.dashboard-alert-strip small{float:right;color:#64748b}
@media(max-width:850px){.alert-kpi-grid{grid-template-columns:1fr 1fr}}
@media(max-width:550px){.alert-kpi-grid{grid-template-columns:1fr}.dashboard-alert-strip small{float:none;display:block;margin-top:4px}}

/* V3.1 Adaptive Stock Planning */
#balance table td,#balance table th{white-space:nowrap}

/* V3.2 Demand & Capacity Planning */
.forecast-controls{display:flex;gap:12px;align-items:end;margin:12px 0 16px}
#forecast table th,#forecast table td{white-space:nowrap}
@media(max-width:700px){.forecast-controls{display:block}.forecast-controls .field{margin-bottom:8px}}