/* ProcureIQ Enterprise Procurement Platform */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-accent: rgba(99,179,237,0.3);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --gradient-blue: linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-green: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-amber: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-purple: linear-gradient(135deg, #8b5cf6, #3b82f6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Layout */
#app { display: flex; height: 100vh; }
.sidebar {
  width: 240px; min-width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
  transition: width 0.3s ease;
}
.sidebar.collapsed { width: 64px; min-width: 64px; }
.sidebar-brand {
  padding: 20px 16px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.brand-text { font-size: 18px; font-weight: 800; letter-spacing: -0.5px;
  background: var(--gradient-blue); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; white-space: nowrap; overflow: hidden;
}
.brand-sub { font-size: 10px; color: var(--text-muted); white-space: nowrap; overflow: hidden; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 8px; }
.nav-section-label {
  font-size: 10px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px;
  padding: 8px 8px 4px; white-space: nowrap; overflow: hidden;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
  margin-bottom: 2px; transition: all 0.2s;
  color: var(--text-secondary); font-size: 13px; font-weight: 500;
  white-space: nowrap; overflow: hidden;
}
.nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
.nav-item.active {
  background: rgba(59,130,246,0.15); color: var(--accent-blue);
  border-left: 2px solid var(--accent-blue);
}
.nav-item i { width: 18px; text-align: center; flex-shrink: 0; font-size: 14px; }
.nav-badge {
  margin-left: auto; background: var(--accent-red); color: white;
  font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 999px;
  flex-shrink: 0;
}
.sidebar-footer {
  padding: 12px 8px; border-top: 1px solid var(--border);
}

/* Main content */
.main-content {
  flex: 1; margin-left: 240px;
  display: flex; flex-direction: column; min-height: 100vh;
  transition: margin-left 0.3s ease;
}
.main-content.collapsed { margin-left: 64px; }

/* Top bar */
.topbar {
  height: 56px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px; position: sticky; top: 0; z-index: 50;
}
.topbar-title {
  font-size: 15px; font-weight: 600; color: var(--text-primary);
  flex-shrink: 0;
}
.scenario-selector {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; cursor: pointer;
  font-size: 13px; color: var(--text-primary); transition: all 0.2s;
}
.scenario-selector:hover { border-color: var(--accent-blue); }
.scenario-badge {
  font-size: 10px; font-weight: 600; padding: 2px 6px; border-radius: 4px;
  background: rgba(59,130,246,0.2); color: var(--accent-blue);
}
.scenario-badge.approved { background: rgba(16,185,129,0.2); color: var(--accent-green); }
.scenario-badge.draft { background: rgba(245,158,11,0.2); color: var(--accent-amber); }
.topbar-spacer { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.topbar-btn {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  cursor: pointer; color: var(--text-secondary); font-size: 13px;
  transition: all 0.2s; position: relative;
}
.topbar-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.notification-dot {
  position: absolute; top: 4px; right: 4px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-red); border: 1px solid var(--bg-secondary);
}
.role-selector {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 5px 10px; cursor: pointer;
  font-size: 12px; color: var(--text-primary);
}
.role-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--gradient-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: white;
}

/* Screen container */
.screen { padding: 20px 24px; flex: 1; overflow-y: auto; }

/* Glass cards */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
  backdrop-filter: blur(10px);
  transition: all 0.2s;
}
.glass-card:hover { background: var(--bg-card-hover); border-color: var(--border-accent); }
.glass-card-lg { border-radius: 16px; padding: 24px; }

/* KPI Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
  position: relative; overflow: hidden;
  transition: all 0.2s; cursor: pointer;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
}
.kpi-card.blue::before { background: var(--gradient-blue); }
.kpi-card.green::before { background: var(--gradient-green); }
.kpi-card.amber::before { background: var(--gradient-amber); }
.kpi-card.purple::before { background: var(--gradient-purple); }
.kpi-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.kpi-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.kpi-value { font-size: 28px; font-weight: 800; letter-spacing: -1px; line-height: 1; margin-bottom: 8px; }
.kpi-value.blue { background: var(--gradient-blue); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.kpi-value.green { background: var(--gradient-green); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.kpi-value.amber { color: var(--accent-amber); }
.kpi-value.red { color: var(--accent-red); }
.kpi-value.purple { background: var(--gradient-purple); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.kpi-delta {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600;
}
.kpi-delta.positive { color: var(--accent-green); }
.kpi-delta.negative { color: var(--accent-red); }
.kpi-delta.neutral { color: var(--text-muted); }
.kpi-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Section headers */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.section-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.section-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Additional Global Styles */
.content-area { flex: 1; overflow-y: auto; }
.screen-content { padding: 24px; max-width: 1600px; margin: 0 auto; }
.screen-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.screen-title { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 4px; }
.screen-subtitle { font-size: 13px; color: var(--text-muted); }
.screen-actions { display: flex; gap: 8px; }

.btn {
  padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent-blue); color: white; }
.btn-primary:hover { background: #2563eb; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-card-hover); }
.btn-success { background: var(--accent-green); color: white; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--accent-red); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 20px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }

.btn-icon, .btn-icon-small {
  width: 32px; height: 32px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  cursor: pointer; color: var(--text-secondary); transition: all 0.2s;
}
.btn-icon-small { width: 28px; height: 28px; }
.btn-icon:hover, .btn-icon-small:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.notification-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--accent-red); color: white;
  font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 999px;
}

.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gradient-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: white;
}

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1200px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.card-header h3 i { color: var(--accent-blue); }
.card-body { padding: 20px; }
.card-actions { display: flex; gap: 8px; }

.kpi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.kpi-card.gradient-blue { border-top: 3px solid var(--accent-blue); }
.kpi-card.gradient-green { border-top: 3px solid var(--accent-green); }
.kpi-card.gradient-amber { border-top: 3px solid var(--accent-amber); }
.kpi-card.gradient-purple { border-top: 3px solid var(--accent-purple); }
.kpi-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.kpi-label { font-size: 12px; font-weight: 600; color: var(--text-muted); }
.kpi-value { font-size: 32px; font-weight: 800; margin: 8px 0; }
.kpi-delta { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 4px; }
.kpi-delta.positive { color: var(--accent-green); }
.kpi-delta.negative { color: var(--accent-red); }

.badge {
  display: inline-flex; align-items: center; padding: 4px 8px;
  border-radius: 6px; font-size: 11px; font-weight: 600;
}
.badge-primary { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.badge-secondary { background: rgba(148,163,184,0.15); color: var(--text-secondary); }
.badge-success { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-info { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.status-good { color: var(--accent-green); display: flex; align-items: center; gap: 4px; }
.status-warning { color: var(--accent-amber); display: flex; align-items: center; gap: 4px; }
.status-critical { color: var(--accent-red); display: flex; align-items: center; gap: 4px; }

.data-table {
  width: 100%; border-collapse: collapse;
}
.data-table thead tr {
  background: rgba(59,130,246,0.05); border-bottom: 1px solid var(--border);
}
.data-table th {
  padding: 12px; text-align: left; font-size: 11px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
}
.data-table td {
  padding: 12px; font-size: 13px; border-bottom: 1px solid var(--border);
}
.data-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.input, .input-inline {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 12px; color: var(--text-primary);
  font-size: 13px; outline: none; transition: all 0.2s;
}
.input:focus, .input-inline:focus { border-color: var(--accent-blue); }
.input-inline { padding: 4px 8px; font-size: 12px; }

/* Scenario Dropdown */
.scenario-dropdown { position: relative; }
.scenario-selected {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; font-size: 13px;
}
.scenario-menu {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  margin-top: 4px; background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.3); z-index: 1000;
}
.scenario-dropdown.open .scenario-menu { display: block; }
.scenario-option {
  padding: 10px 12px; cursor: pointer; font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.scenario-option:last-child { border-bottom: none; }
.scenario-option:hover { background: var(--bg-card); }
.scenario-option.active { background: rgba(59,130,246,0.15); color: var(--accent-blue); }

/* Risk Items */
.risk-item {
  padding: 12px; margin-bottom: 8px; background: var(--bg-card);
  border-radius: 8px; border-left: 3px solid;
}
.risk-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.risk-details { display: flex; gap: 16px; font-size: 12px; color: var(--text-muted); }

/* Workbench Layout */
.workbench-layout { display: grid; grid-template-columns: 250px 1fr 280px; gap: 20px; }
.workbench-filters, .workbench-scenario {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; height: fit-content;
}
.workbench-filters h3, .workbench-scenario h3 {
  font-size: 14px; font-weight: 700; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.workbench-grid { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; }
.grid-toolbar {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.grid-tabs { display: flex; gap: 4px; }
.grid-tab {
  padding: 6px 12px; border-radius: 6px; font-size: 13px; font-weight: 600;
  background: transparent; border: none; color: var(--text-secondary);
  cursor: pointer; transition: all 0.2s;
}
.grid-tab.active { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.grid-actions { display: flex; gap: 4px; }
.data-grid-container { overflow-x: auto; max-height: 600px; overflow-y: auto; }

.filter-group { margin-bottom: 16px; }
.filter-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.filter-group small { display: block; font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.filter-checkbox { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.filter-checkbox input { cursor: pointer; }
.filter-checkbox label { font-size: 13px; color: var(--text-secondary); cursor: pointer; }

.scenario-section { margin-bottom: 20px; }
.scenario-section h4 { font-size: 12px; font-weight: 700; margin-bottom: 12px; color: var(--text-muted); text-transform: uppercase; }
.what-if-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 600;
  background: var(--bg-primary); border: 1px solid var(--border);
  cursor: pointer; transition: all 0.2s;
}
.chip:hover { background: rgba(59,130,246,0.1); border-color: var(--accent-blue); color: var(--accent-blue); }
.run-status { background: var(--bg-primary); border-radius: 8px; padding: 12px; }
.status-item { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 12px; }
.status-label { color: var(--text-muted); }

/* Results Summary */
.results-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.result-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; text-align: center;
}
.result-card.alert { border-color: var(--accent-amber); }
.result-label { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; }
.result-value { font-size: 28px; font-weight: 800; margin-bottom: 4px; }
.result-delta { font-size: 12px; font-weight: 600; }

/* Tabs */
.tabs-container { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.tabs { display: flex; border-bottom: 1px solid var(--border); padding: 0 16px; }
.tab {
  padding: 14px 20px; font-size: 13px; font-weight: 600; border: none;
  background: transparent; color: var(--text-secondary); cursor: pointer;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }
.tab:hover { color: var(--text-primary); }
.tab-content { padding: 20px; }

.alerts-section { margin-top: 24px; }
.alerts-section h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.alert {
  background: var(--bg-primary); border: 1px solid; border-radius: 8px;
  padding: 16px; margin-bottom: 12px;
}
.alert-warning { border-color: var(--accent-amber); }
.alert-info { border-color: var(--accent-cyan); }
.alert-danger { border-color: var(--accent-red); }
.alert-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.alert-body { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.alert-actions { display: flex; gap: 8px; }

/* Scenario Studio */
.scenario-studio-layout { display: grid; grid-template-columns: 280px 1fr 320px; gap: 20px; }
.scenario-library { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; height: fit-content; }
.scenario-library h3 { font-size: 14px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.scenario-card {
  padding: 12px; background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 8px; cursor: pointer; transition: all 0.2s;
}
.scenario-card:hover { border-color: var(--accent-blue); }
.scenario-card.active { border-color: var(--accent-blue); background: rgba(59,130,246,0.05); }
.scenario-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.scenario-card-meta { display: flex; flex-direction: column; gap: 4px; }

.scenario-editor, .scenario-impact {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
}
.scenario-editor h3, .scenario-impact h3 {
  font-size: 14px; font-weight: 700; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}

.parameter-section { margin-bottom: 20px; }
.parameter-label { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 13px; }
.parameter-value { font-weight: 700; color: var(--accent-blue); }
.slider {
  width: 100%; height: 6px; border-radius: 3px; background: var(--bg-primary);
  outline: none; -webkit-appearance: none; cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-blue); cursor: pointer;
}
.divider { height: 1px; background: var(--border); margin: 20px 0; }

.impact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.impact-card { background: var(--bg-primary); border-radius: 8px; padding: 12px; text-align: center; }
.impact-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.impact-value { font-size: 20px; font-weight: 800; }
.impact-value.positive { color: var(--accent-green); }
.impact-value.negative { color: var(--accent-red); }

/* BOM Tree */
.bom-tree { padding: 16px; }
.bom-node {
  padding: 10px 12px; background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px;
  font-size: 13px;
}
.bom-node i { color: var(--accent-blue); }
.bom-qty {
  margin-left: auto; padding: 2px 8px; background: rgba(59,130,246,0.15);
  color: var(--accent-blue); border-radius: 4px; font-size: 11px; font-weight: 600;
}
.bom-children { margin-left: 24px; }
.bom-level-1 { opacity: 0.9; }
.bom-level-2 { opacity: 0.8; font-size: 12px; }

.propagation-simulator { }
.propagation-results { margin-top: 16px; }
.prop-result-item {
  display: flex; gap: 12px; padding: 12px; background: var(--bg-primary);
  border-radius: 8px; margin-bottom: 8px;
}
.prop-icon {
  width: 40px; height: 40px; border-radius: 8px; background: var(--accent-blue);
  display: flex; align-items: center; justify-content: center; color: white;
  flex-shrink: 0;
}
.prop-content strong { display: block; font-size: 13px; margin-bottom: 4px; }
.prop-content p { font-size: 12px; color: var(--text-muted); }

/* Capacity Bars */
.capacity-bar-container { margin-bottom: 16px; }
.capacity-header { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 13px; }
.capacity-value.over { color: var(--accent-red); font-weight: 700; }
.capacity-value.high { color: var(--accent-amber); font-weight: 700; }
.capacity-value.normal { color: var(--text-muted); }
.capacity-bar {
  height: 8px; background: var(--bg-primary); border-radius: 4px; overflow: hidden;
}
.capacity-fill {
  height: 100%; transition: width 0.3s;
}
.capacity-fill.normal { background: var(--accent-green); }
.capacity-fill.high { background: var(--accent-amber); }
.capacity-fill.over { background: var(--accent-red); }

/* PO Execution */
.po-simulation-banner {
  display: flex; align-items: center; gap: 16px; padding: 16px;
  background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.3);
  border-radius: 12px; margin-bottom: 24px;
}
.simulation-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--accent-cyan); display: flex;
  align-items: center; justify-content: center; font-size: 20px; color: white;
}
.simulation-content { flex: 1; }
.simulation-content strong { display: block; font-size: 14px; margin-bottom: 4px; }
.simulation-content p { font-size: 13px; color: var(--text-secondary); }

.exception-list, .acknowledgment-list { }
.exception-item {
  display: flex; gap: 12px; padding: 12px; background: var(--bg-primary);
  border-radius: 8px; margin-bottom: 8px; border-left: 3px solid;
}
.exception-item.high { border-color: var(--accent-red); }
.exception-item.medium { border-color: var(--accent-amber); }
.exception-item.low { border-color: var(--accent-cyan); }
.exception-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(239,68,68,0.15); color: var(--accent-red);
}
.exception-content strong { display: block; font-size: 13px; margin-bottom: 4px; }
.exception-content p { font-size: 12px; color: var(--text-muted); }

.ack-item { display: flex; gap: 12px; padding: 12px; background: var(--bg-primary); border-radius: 8px; margin-bottom: 8px; }
.ack-status { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; }
.ack-item.confirmed .ack-status { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.ack-item.pending .ack-status { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.ack-content strong { display: block; font-size: 13px; margin-bottom: 4px; }
.ack-content p { font-size: 12px; color: var(--text-muted); }

/* Mobile UI Preview */
.mobile-demo { max-width: 100%; }
.mobile-preview { display: flex; justify-content: center; padding: 20px; }
.mobile-device {
  width: 375px; height: 812px; border-radius: 30px;
  background: var(--bg-secondary); border: 8px solid var(--bg-primary);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5); overflow: hidden;
  display: flex; flex-direction: column;
}
.mobile-header {
  height: 56px; background: var(--bg-primary); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 16px; gap: 12px;
}
.mobile-back, .mobile-menu {
  width: 36px; height: 36px; border-radius: 8px; background: var(--bg-card);
  display: flex; align-items: center; justify-content: center;
  border: none; color: var(--text-primary); cursor: pointer;
}
.mobile-header h2 { flex: 1; font-size: 18px; font-weight: 700; }
.mobile-content { flex: 1; overflow-y: auto; padding: 16px; }
.mobile-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px;
}
.mobile-stat {
  background: var(--bg-card); border-radius: 12px; padding: 16px; text-align: center;
}
.mobile-stat-value { font-size: 28px; font-weight: 800; color: var(--accent-blue); }
.mobile-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.mobile-search {
  display: flex; align-items: center; gap: 10px; padding: 12px;
  background: var(--bg-card); border-radius: 12px; margin-bottom: 16px;
}
.mobile-search i { color: var(--text-muted); }
.mobile-search input {
  flex: 1; background: transparent; border: none; color: var(--text-primary);
  font-size: 14px; outline: none;
}
.mobile-list { }
.mobile-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; margin-bottom: 12px;
}
.mobile-card.arriving { border-left: 3px solid var(--accent-green); }
.mobile-card.delayed { border-left: 3px solid var(--accent-red); }
.mobile-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.mobile-badge {
  padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 600;
}
.mobile-badge.success { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.mobile-badge.warning { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.mobile-badge.info { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }
.mobile-card-body { margin-bottom: 12px; }
.mobile-detail {
  display: flex; align-items: center; gap: 8px; font-size: 13px;
  color: var(--text-secondary); margin-bottom: 6px;
}
.mobile-detail i { width: 16px; color: var(--text-muted); }
.mobile-card-actions { display: flex; gap: 8px; }
.mobile-btn {
  flex: 1; padding: 8px; border-radius: 8px; font-size: 13px;
  font-weight: 600; border: none; cursor: pointer; transition: all 0.2s;
}
.mobile-btn.primary { background: var(--accent-blue); color: white; }
.mobile-btn.secondary { background: var(--bg-primary); color: var(--text-primary); }
.mobile-btn.danger { background: var(--accent-red); color: white; }
.mobile-footer {
  height: 64px; background: var(--bg-primary); border-top: 1px solid var(--border);
  display: flex; justify-content: space-around;
}
.mobile-tab {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 4px; background: transparent; border: none;
  color: var(--text-muted); cursor: pointer; transition: all 0.2s;
}
.mobile-tab.active { color: var(--accent-blue); }
.mobile-tab i { font-size: 20px; }
.mobile-tab span { font-size: 11px; font-weight: 600; }

/* Data Hub */
.data-hub-tabs { display: flex; gap: 8px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.data-tab {
  padding: 12px 20px; font-size: 14px; font-weight: 600; background: transparent;
  border: none; color: var(--text-secondary); cursor: pointer;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.data-tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }
.dataset-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; display: flex; gap: 12px;
  transition: all 0.2s; cursor: pointer;
}
.dataset-card:hover { border-color: var(--accent-blue); transform: translateY(-2px); }
.dataset-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.dataset-content { flex: 1; }
.dataset-content h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.dataset-content p { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.dataset-meta { font-size: 11px; color: var(--text-muted); }
.dataset-actions { display: flex; flex-direction: column; gap: 4px; }
.dataset-details-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px;
}
.detail-item { background: var(--bg-primary); border-radius: 8px; padding: 12px; }
.detail-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.detail-value { font-size: 16px; font-weight: 700; }

/* Business Landscape */
.landscape-stat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.landscape-stat {
  background: var(--bg-primary); border-radius: 8px; padding: 16px; text-align: center;
}
.landscape-stat-value { font-size: 32px; font-weight: 800; color: var(--accent-blue); }
.landscape-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.geography-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.geo-region {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
}
.geo-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  font-size: 14px; font-weight: 700;
}
.geo-header i { color: var(--accent-blue); }
.geo-stats { font-size: 13px; color: var(--text-secondary); }
.geo-stats div { margin-bottom: 4px; }
.timeline { }
.timeline-item {
  display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(59,130,246,0.15); color: var(--accent-blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.timeline-content strong { display: block; font-size: 14px; margin-bottom: 4px; }
.timeline-content p { font-size: 13px; color: var(--text-muted); }

@media (max-width: 1400px) {
  .workbench-layout { grid-template-columns: 220px 1fr 260px; }
  .scenario-studio-layout { grid-template-columns: 260px 1fr 300px; }
}
@media (max-width: 1024px) {
  .workbench-layout, .scenario-studio-layout { grid-template-columns: 1fr; }
  .results-summary { grid-template-columns: repeat(2, 1fr); }
  .geography-grid { grid-template-columns: 1fr; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; border: none;
}
.btn-primary { background: var(--gradient-blue); color: white; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59,130,246,0.4); }
.btn-secondary { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--accent-blue); }
.btn-success { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--accent-green); }
.btn-danger { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: var(--accent-red); }
.btn-amber { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: var(--accent-amber); }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-lg { padding: 11px 22px; font-size: 14px; }
.btn-run {
  background: linear-gradient(135deg, #10b981, #3b82f6);
  color: white; padding: 12px 28px; font-size: 14px; font-weight: 700;
  border-radius: 10px; width: 100%; text-align: center; letter-spacing: 0.5px;
  box-shadow: 0 4px 20px rgba(16,185,129,0.3);
}
.btn-run:hover { opacity: 0.9; box-shadow: 0 6px 24px rgba(16,185,129,0.4); transform: translateY(-1px); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th {
  background: rgba(255,255,255,0.03); color: var(--text-muted);
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-primary); vertical-align: middle;
}
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table tr:last-child td { border-bottom: none; }
.table-container { overflow-x: auto; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 6px; font-size: 11px; font-weight: 600;
}
.badge-green { background: rgba(16,185,129,0.15); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.2); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.2); }
.badge-amber { background: rgba(245,158,11,0.15); color: var(--accent-amber); border: 1px solid rgba(245,158,11,0.2); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); border: 1px solid rgba(59,130,246,0.2); }
.badge-purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); border: 1px solid rgba(139,92,246,0.2); }
.badge-gray { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }

/* Progress bars */
.progress-bar { height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.5s ease; }
.progress-fill.blue { background: var(--gradient-blue); }
.progress-fill.green { background: var(--gradient-green); }
.progress-fill.amber { background: linear-gradient(90deg, #f59e0b, #ef4444); }
.progress-fill.red { background: var(--accent-red); }

/* Tabs */
.tab-nav {
  display: flex; gap: 4px; border-bottom: 1px solid var(--border);
  margin-bottom: 20px; overflow-x: auto;
}
.tab-btn {
  padding: 10px 16px; font-size: 13px; font-weight: 500;
  color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.2s; white-space: nowrap; flex-shrink: 0;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); font-weight: 600; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

/* Alert cards */
.alert-card {
  border-radius: 10px; padding: 14px 16px;
  border: 1px solid; margin-bottom: 10px;
  display: flex; gap: 12px; align-items: flex-start;
}
.alert-card.critical { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.25); }
.alert-card.warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.25); }
.alert-card.info { background: rgba(59,130,246,0.08); border-color: rgba(59,130,246,0.25); }
.alert-card.success { background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.25); }
.alert-icon { font-size: 16px; flex-shrink: 0; padding-top: 1px; }
.alert-card.critical .alert-icon { color: var(--accent-red); }
.alert-card.warning .alert-icon { color: var(--accent-amber); }
.alert-card.info .alert-icon { color: var(--accent-blue); }
.alert-card.success .alert-icon { color: var(--accent-green); }
.alert-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.alert-body { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.alert-fix { font-size: 11px; margin-top: 8px; color: var(--accent-blue); cursor: pointer; }
.alert-fix:hover { text-decoration: underline; }

/* Workbench 3-panel */
.workbench { display: flex; gap: 16px; flex: 1; min-height: 0; }
.workbench-left { width: 220px; min-width: 220px; }
.workbench-center { flex: 1; min-width: 0; }
.workbench-right { width: 280px; min-width: 280px; }

/* Sidebar filters */
.filter-group { margin-bottom: 16px; }
.filter-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.filter-select, .filter-input {
  width: 100%; background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; color: var(--text-primary); font-size: 12px;
  outline: none; transition: border-color 0.2s; font-family: inherit;
}
.filter-select:focus, .filter-input:focus { border-color: var(--accent-blue); }
.filter-select option { background: #1e293b; }
.filter-tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 500;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
  color: var(--accent-blue); cursor: pointer; margin: 3px;
  transition: all 0.2s;
}
.filter-tag:hover { background: rgba(59,130,246,0.2); }
.filter-tag.active { background: rgba(59,130,246,0.25); }

/* Slider */
.slider-group { margin-bottom: 14px; }
.slider-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.slider-name { font-size: 12px; color: var(--text-secondary); }
.slider-val { font-size: 12px; font-weight: 700; color: var(--accent-blue); }
input[type="range"] {
  width: 100%; -webkit-appearance: none; height: 4px;
  background: rgba(255,255,255,0.1); border-radius: 2px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent-blue); cursor: pointer;
}

/* Chart containers */
.chart-container { position: relative; }

/* Heatmap */
.heatmap-grid { display: grid; gap: 4px; }
.heatmap-cell {
  padding: 8px 10px; border-radius: 6px; font-size: 11px; font-weight: 600;
  text-align: center; cursor: pointer; transition: all 0.2s;
}
.heatmap-cell:hover { transform: scale(1.05); }
.heat-0 { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.heat-1 { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.heat-2 { background: rgba(239,68,68,0.2); color: var(--accent-red); }
.heat-3 { background: rgba(239,68,68,0.4); color: #ff6b6b; }

/* Status dots */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-green { background: var(--accent-green); }
.dot-amber { background: var(--accent-amber); }
.dot-red { background: var(--accent-red); box-shadow: 0 0 6px rgba(239,68,68,0.6); }
.dot-blue { background: var(--accent-blue); }

/* Editable cell */
.editable-cell {
  background: rgba(59,130,246,0.05); border: 1px dashed rgba(59,130,246,0.3);
  border-radius: 4px; padding: 3px 6px; cursor: text;
  display: inline-block; min-width: 60px; text-align: right;
  transition: all 0.2s;
}
.editable-cell:hover, .editable-cell:focus { 
  background: rgba(59,130,246,0.12); border-style: solid; outline: none;
  border-color: var(--accent-blue);
}

/* BOM diagram */
.bom-node {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; position: absolute;
  cursor: pointer; transition: all 0.2s; min-width: 120px; text-align: center;
}
.bom-node:hover { background: var(--bg-card-hover); border-color: var(--accent-blue); z-index: 10; }
.bom-node.sku { border-color: rgba(59,130,246,0.4); background: rgba(59,130,246,0.08); }
.bom-node.material { border-color: rgba(16,185,129,0.4); background: rgba(16,185,129,0.06); }
.bom-node.risk { border-color: rgba(239,68,68,0.4); background: rgba(239,68,68,0.08); }
.bom-container { position: relative; overflow: hidden; }

/* Waterfall bars */
.waterfall-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.waterfall-label { font-size: 12px; color: var(--text-secondary); width: 140px; text-align: right; flex-shrink: 0; }
.waterfall-track { flex: 1; height: 24px; background: rgba(255,255,255,0.05); border-radius: 4px; position: relative; overflow: hidden; }
.waterfall-fill { height: 100%; border-radius: 4px; display: flex; align-items: center; padding: 0 8px; font-size: 11px; font-weight: 600; }
.waterfall-val { font-size: 12px; font-weight: 700; width: 70px; text-align: left; flex-shrink: 0; }

/* Spider chart placeholder */
.spider-placeholder {
  width: 100%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--border); position: relative;
  display: flex; align-items: center; justify-content: center;
}

/* Action drawer */
.action-drawer {
  position: fixed; right: 0; top: 0; bottom: 0; width: 380px;
  background: var(--bg-secondary); border-left: 1px solid var(--border);
  z-index: 200; transform: translateX(100%); transition: transform 0.3s ease;
  display: flex; flex-direction: column;
}
.action-drawer.open { transform: translateX(0); }
.drawer-header {
  padding: 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.drawer-body { flex: 1; overflow-y: auto; padding: 20px; }

/* Insights panel */
.insights-panel {
  background: rgba(139,92,246,0.06); border: 1px solid rgba(139,92,246,0.2);
  border-radius: 12px; padding: 16px;
}
.insight-item {
  display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.insight-item:last-child { border-bottom: none; }
.insight-num { 
  width: 20px; height: 20px; border-radius: 50%; background: var(--gradient-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: white; flex-shrink: 0;
}
.insight-text { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.insight-text strong { color: var(--text-primary); }

/* Mobile screen */
.mobile-frame {
  width: 360px; margin: 0 auto; background: #0f1629;
  border-radius: 24px; border: 2px solid rgba(255,255,255,0.1);
  overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.mobile-header {
  padding: 16px; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.mobile-item {
  padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; gap: 12px; align-items: flex-start;
}

/* Map placeholder */
.map-container {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; position: relative;
}
.map-pin {
  position: absolute; display: flex; flex-direction: column; align-items: center;
  cursor: pointer; transform: translateX(-50%);
}
.map-pin-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
}
.map-pin-label {
  font-size: 9px; font-weight: 600; color: white;
  background: rgba(0,0,0,0.6); padding: 2px 5px; border-radius: 3px;
  margin-top: 2px; white-space: nowrap;
}
.map-halo {
  position: absolute; border-radius: 50%; animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; }
}

/* Scenario diff */
.diff-row { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.diff-param { font-size: 12px; color: var(--text-secondary); width: 150px; flex-shrink: 0; }
.diff-baseline { font-size: 12px; color: var(--text-muted); width: 80px; text-align: center; }
.diff-scenario { font-size: 12px; font-weight: 700; width: 80px; text-align: center; }
.diff-delta { font-size: 12px; font-weight: 700; width: 70px; text-align: right; }
.diff-changed { background: rgba(245,158,11,0.05); border-radius: 4px; }

/* What-if chips */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 10px; border-radius: 20px; font-size: 11px; font-weight: 600;
  cursor: pointer; border: 1px solid; transition: all 0.2s; margin: 3px;
}
.chip.blue { border-color: rgba(59,130,246,0.3); color: var(--accent-blue); background: rgba(59,130,246,0.08); }
.chip.blue:hover { background: rgba(59,130,246,0.2); }
.chip.amber { border-color: rgba(245,158,11,0.3); color: var(--accent-amber); background: rgba(245,158,11,0.08); }
.chip.amber:hover { background: rgba(245,158,11,0.2); }
.chip.red { border-color: rgba(239,68,68,0.3); color: var(--accent-red); background: rgba(239,68,68,0.08); }
.chip.red:hover { background: rgba(239,68,68,0.2); }
.chip.active { background: rgba(59,130,246,0.25) !important; }

/* Gauges */
.gauge-container { text-align: center; }
.gauge-value { font-size: 24px; font-weight: 800; }
.gauge-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Gantt-like delivery */
.delivery-bar {
  height: 20px; border-radius: 4px; display: flex; align-items: center;
  padding: 0 6px; font-size: 10px; font-weight: 600; color: white;
}

/* Data hub tiles */
.dataset-tile {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; transition: all 0.2s;
}
.dataset-tile:hover { border-color: var(--accent-blue); background: var(--bg-card-hover); }
.dataset-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  margin-bottom: 10px;
}
.pipeline-status { display: flex; align-items: center; gap: 6px; font-size: 11px; }

/* Constraint wizard */
.wizard-step {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px; margin-bottom: 8px;
  display: flex; gap: 12px; align-items: flex-start;
}
.wizard-step-num {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--gradient-blue); display: flex; align-items: center;
  justify-content: center; font-size: 11px; font-weight: 700; color: white; flex-shrink: 0;
}

/* PO Builder */
.po-supplier-group {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 16px; overflow: hidden;
}
.po-supplier-header {
  padding: 14px 16px; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* Modal overlay */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 300; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; max-width: 560px; width: 90%;
  max-height: 80vh; overflow-y: auto;
}

/* Page transitions */
.screen-content { animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Tooltip */
.tooltip { position: relative; cursor: help; }
.tooltip::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%); background: #1e293b; border: 1px solid var(--border);
  color: var(--text-primary); font-size: 11px; padding: 6px 10px; border-radius: 6px;
  white-space: nowrap; z-index: 999; opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.tooltip:hover::after { opacity: 1; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .workbench-right { width: 240px; min-width: 240px; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .workbench { flex-direction: column; }
  .workbench-left, .workbench-right { width: 100%; min-width: 0; }
}

/* Number input */
.number-up-down { display: flex; align-items: center; gap: 4px; }
.num-btn { 
  width: 20px; height: 20px; border-radius: 4px;
  background: rgba(255,255,255,0.08); border: 1px solid var(--border);
  color: var(--text-primary); font-size: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.num-btn:hover { background: rgba(255,255,255,0.14); }

/* Pulse animation for critical */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.pulse-red { animation: pulse 1.5s infinite; color: var(--accent-red); }

/* Tree diagram */
.tree-line { stroke: rgba(255,255,255,0.15); stroke-width: 1.5; fill: none; }
.tree-node-rect { rx: 6; ry: 6; }

/* Concentration bar */
.conc-bar { 
  height: 8px; border-radius: 4px; display: flex; overflow: hidden; gap: 1px;
}
.conc-segment { height: 100%; transition: flex 0.5s; }

/* Tabs with icons */
.icon-tab { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 10px 14px; }
.icon-tab-icon { font-size: 18px; }
.icon-tab-label { font-size: 9px; font-weight: 600; }