/**
 * Forge UI — SCM Module Stylesheet
 * Version: 1.0.0
 *
 * Requires: forge-ui-kit.css
 *
 * Usage:
 *   <link rel="stylesheet" href="forge-ui-kit.css">
 *   <link rel="stylesheet" href="ui-scm.css">
 *
 * Components:
 *   1.  SCM tokens & status colors
 *   2.  SCM badge variants
 *   3.  Purchase order card       — .scm-po
 *   4.  Supplier card             — .scm-supplier
 *   5.  Shipment tracker          — .scm-shipment
 *   6.  Inventory table           — .scm-inventory
 *   7.  Approval flow             — .scm-approval
 *   8.  SCM stat bar              — .scm-stats
 *   9.  SCM dashboard layout      — .scm-dashboard
 *   10. Mobile responsive
 */

/* ═══════════════════════════════════════════
   1. SCM TOKENS & STATUS COLORS
   ═══════════════════════════════════════════ */
:root {
  /* Status colors — map to semantic roles */
  --scm-color-draft:      #787470;
  --scm-color-pending:    #854f0b;
  --scm-color-approved:   #185fa5;
  --scm-color-shipped:    #3b6d11;
  --scm-color-delivered:  #0f6e56;
  --scm-color-cancelled:  #a32d2d;
  --scm-color-overdue:    #993c1d;

  --scm-bg-draft:      #f1efe8;
  --scm-bg-pending:    #faeeda;
  --scm-bg-approved:   #e6f1fb;
  --scm-bg-shipped:    #eaf3de;
  --scm-bg-delivered:  #e1f5ee;
  --scm-bg-cancelled:  #fcebeb;
  --scm-bg-overdue:    #faece7;

  /* Layout */
  --scm-card-radius: var(--forge-radius-lg);
  --scm-inner-radius: var(--forge-radius-md);
}

@media (prefers-color-scheme: dark) {
  :root {
    --scm-color-draft:     #b8b5b0;
    --scm-color-pending:   #ef9f27;
    --scm-color-approved:  #85b7eb;
    --scm-color-shipped:   #97c459;
    --scm-color-delivered: #5dcaa5;
    --scm-color-cancelled: #f09595;
    --scm-color-overdue:   #f0997b;

    --scm-bg-draft:      #2c2a27;
    --scm-bg-pending:    #412402;
    --scm-bg-approved:   #042c53;
    --scm-bg-shipped:    #173404;
    --scm-bg-delivered:  #04342c;
    --scm-bg-cancelled:  #501313;
    --scm-bg-overdue:    #4a1b0c;
  }
}


/* ═══════════════════════════════════════════
   2. SCM BADGE VARIANTS
   ═══════════════════════════════════════════ */
.scm-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--forge-radius-pill);
  font-family: var(--forge-font-body);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.4;
  color: var(--forge-offwhite); 
}

.scm-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.scm-badge-draft     { background: var(--scm-bg-draft);          }
.scm-badge-draft::before     { background: var(--scm-color-draft); }

.scm-badge-pending   { background: var(--scm-bg-pending);      }
.scm-badge-pending::before   { background: var(--scm-color-pending); }

.scm-badge-approved  { background: var(--scm-bg-approved);   }
.scm-badge-approved::before  { background: var(--scm-color-approved); }

.scm-badge-shipped   { background: var(--scm-bg-shipped);     }
.scm-badge-shipped::before   { background: var(--scm-color-shipped); }

.scm-badge-delivered { background: var(--scm-bg-delivered);  }
.scm-badge-delivered::before { background: var(--scm-color-delivered); }

.scm-badge-cancelled { background: var(--scm-bg-cancelled);  }
.scm-badge-cancelled::before { background: var(--scm-color-cancelled); }

.scm-badge-overdue   { background: var(--scm-bg-overdue);     }
.scm-badge-overdue::before   { background: var(--scm-color-overdue); }


/* ═══════════════════════════════════════════
   3. PURCHASE ORDER CARD — .scm-po
   ═══════════════════════════════════════════ */
.scm-po {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-card-radius);
  overflow: hidden;
  font-family: var(--forge-font-body);
  transition: border-color var(--forge-transition);
}

.scm-po:hover {
  border-color: var(--color-border-secondary);
}

.scm-po-header {
  padding: 14px 16px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.scm-po-header-left { flex: 1; min-width: 0; }

.scm-po-number {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 3px;
}

.scm-po-supplier {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scm-po-body { padding: 14px 16px; }

.scm-po-lines {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scm-po-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.scm-po-line-name {
  color: var(--color-text-secondary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scm-po-line-qty {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.scm-po-line-price {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-primary);
  font-weight: 500;
  white-space: nowrap;
  min-width: 72px;
  text-align: right;
}

.scm-po-divider {
  border: none;
  border-top: 0.5px solid var(--color-border-tertiary);
  margin: 10px 0;
}

.scm-po-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.scm-po-total-label {
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-po-total-value {
  font-family: var(--forge-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-po-footer {
  padding: 10px 16px;
  border-top: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.scm-po-meta {
  font-size: 12px;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.scm-po-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}


/* ═══════════════════════════════════════════
   4. SUPPLIER CARD — .scm-supplier
   ═══════════════════════════════════════════ */
.scm-supplier {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-card-radius);
  padding: 16px;
  font-family: var(--forge-font-body);
  transition: border-color var(--forge-transition);
}

.scm-supplier:hover {
  border-color: var(--color-border-secondary);
}

.scm-supplier-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.scm-supplier-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--forge-radius-md);
  background: var(--forge-tint);
  color: var(--forge-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
  font-family: var(--forge-font-body);
}

.scm-supplier-info { flex: 1; min-width: 0; }

.scm-supplier-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scm-supplier-category {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.scm-supplier-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 12px 0;
  border-top: 0.5px solid var(--color-border-tertiary);
  border-bottom: 0.5px solid var(--color-border-tertiary);
  margin-bottom: 12px;
}

.scm-supplier-stat { text-align: center; }

.scm-supplier-stat-value {
  font-family: var(--forge-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.scm-supplier-stat-label {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scm-supplier-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.scm-supplier-contact {
  font-size: 12px;
  color: var(--color-text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ═══════════════════════════════════════════
   5. SHIPMENT TRACKER — .scm-shipment
   ═══════════════════════════════════════════ */
.scm-shipment {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-card-radius);
  overflow: hidden;
  font-family: var(--forge-font-body);
}

.scm-shipment-header {
  padding: 14px 16px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.scm-shipment-id {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 3px;
}

.scm-shipment-route {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-shipment-body { padding: 20px 16px; }

.scm-shipment-steps {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  padding: 0 8px;
  margin-bottom: 20px;
}

.scm-shipment-steps::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 24px;
  right: 24px;
  height: 1px;
  background: var(--color-border-tertiary);
  z-index: 0;
}

.scm-shipment-progress-line {
  position: absolute;
  top: 14px;
  left: 24px;
  height: 1px;
  background: var(--forge-red);
  z-index: 1;
  transition: width 400ms ease;
}

.scm-shipment-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
  flex: 1;
}

.scm-shipment-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--color-text-tertiary);
  transition: all 200ms;
}

.scm-shipment-step.done .scm-shipment-step-dot {
  background: var(--forge-red);
  border-color: var(--forge-red);
  color: var(--forge-offwhite);
}

.scm-shipment-step.active .scm-shipment-step-dot {
  border-color: var(--forge-red);
  color: var(--forge-red);
  box-shadow: 0 0 0 3px var(--forge-blush);
}

.scm-shipment-step-label {
  font-size: 11px;
  color: var(--color-text-tertiary);
  text-align: center;
  line-height: 1.3;
  max-width: 60px;
}

.scm-shipment-step.done .scm-shipment-step-label,
.scm-shipment-step.active .scm-shipment-step-label {
  color: var(--color-text-primary);
  font-weight: 500;
}

.scm-shipment-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.scm-shipment-detail {
  background: var(--color-background-secondary);
  border-radius: var(--scm-inner-radius);
  padding: 10px 12px;
}

.scm-shipment-detail-label {
  font-size: 11px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.scm-shipment-detail-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-shipment-footer {
  padding: 10px 16px;
  border-top: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.scm-shipment-carrier {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.scm-shipment-eta {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-primary);
}


/* ═══════════════════════════════════════════
   6. INVENTORY TABLE — .scm-inventory
   ═══════════════════════════════════════════ */
.scm-inventory {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-card-radius);
  overflow: hidden;
  font-family: var(--forge-font-body);
}

.scm-inventory-header {
  padding: 14px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.scm-inventory-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.scm-inventory-table th {
  text-align: left;
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-background-secondary);
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.scm-inventory-table td {
  padding: 11px 16px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  color: var(--color-text-secondary);
  vertical-align: middle;
}

.scm-inventory-table tr:last-child td {
  border-bottom: none;
}

.scm-inventory-table tr:hover td {
  background: var(--color-background-secondary);
}

.scm-inventory-sku {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.scm-inventory-name {
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-inventory-qty {
  font-family: var(--forge-font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-inventory-qty.low {
  color: var(--scm-color-overdue);
}

.scm-inventory-reorder {
  font-family: var(--forge-font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.scm-inventory-footer {
  padding: 10px 16px;
  border-top: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-tertiary);
}


/* ═══════════════════════════════════════════
   7. APPROVAL FLOW — .scm-approval
   ═══════════════════════════════════════════ */
.scm-approval {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-card-radius);
  overflow: hidden;
  font-family: var(--forge-font-body);
}

.scm-approval-header {
  padding: 14px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.scm-approval-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-approval-body { padding: 14px 16px; }

.scm-approval-summary {
  background: var(--color-background-secondary);
  border-radius: var(--scm-inner-radius);
  padding: 12px 14px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.scm-approval-summary-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.scm-approval-summary-value {
  font-family: var(--forge-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-approval-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.scm-approval-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--scm-inner-radius);
  border: 0.5px solid var(--color-border-tertiary);
}

.scm-approval-step.step-done {
  background: var(--scm-bg-approved);
  border-color: var(--scm-color-approved);
}

.scm-approval-step.step-active {
  background: var(--scm-bg-pending);
  border-color: var(--scm-color-pending);
}

.scm-approval-step.step-pending {
  background: var(--color-background-secondary);
}

.scm-approval-step-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.step-done .scm-approval-step-icon {
  background: var(--scm-color-approved);
  color: white;
}

.step-active .scm-approval-step-icon {
  background: var(--scm-color-pending);
  color: white;
}

.step-pending .scm-approval-step-icon {
  background: var(--color-border-tertiary);
  color: var(--color-text-tertiary);
}

.scm-approval-step-info { flex: 1; min-width: 0; }

.scm-approval-step-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.scm-approval-step-meta {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-top: 1px;
}

.scm-approval-actions {
  display: flex;
  gap: 8px;
}

.scm-approval-actions .ui-btn-approve {
  flex: 1;
  background: var(--scm-bg-shipped);
  color: color: #27500a;
  border-color: var(--scm-color-shipped);
}

.scm-approval-actions .ui-btn-approve:hover {
  background: var(--scm-color-shipped);
  color: white;
}

.scm-approval-actions .ui-btn-reject {
  flex: 1;
  background: var(--scm-bg-cancelled);
  color: color: #27500a;
  border-color: var(--scm-color-cancelled);
}

.scm-approval-actions .ui-btn-reject:hover {
  background: var(--scm-color-cancelled);
  color: var(--forge-offwhite);
}


/* ═══════════════════════════════════════════
   8. SCM STAT BAR — .scm-stats
   ═══════════════════════════════════════════ */
.scm-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: var(--forge-space-6);
}

.scm-stat {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--scm-inner-radius);
  padding: 14px 16px;
}

.scm-stat-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.scm-stat-value {
  font-family: var(--forge-font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.scm-stat-delta {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.scm-stat-delta.up   { color: var(--scm-color-shipped); }
.scm-stat-delta.down { color: var(--scm-color-cancelled); }
.scm-stat-delta.flat { color: var(--color-text-tertiary); }


/* ═══════════════════════════════════════════
   9. SCM DASHBOARD LAYOUT
   ═══════════════════════════════════════════ */
.scm-dashboard {
  padding: var(--forge-space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.scm-dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: var(--forge-space-6);
  flex-wrap: wrap;
}

.scm-dashboard-title {
  font-family: var(--forge-font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.scm-dashboard-subtitle {
  font-size: 13px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.scm-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.scm-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.scm-grid-full {
  margin-bottom: 16px;
}

.scm-section-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--forge-space-3);
}


/* ═══════════════════════════════════════════
   10. MOBILE RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .scm-dashboard {
    padding: var(--forge-space-4);
  }

  .scm-grid-2,
  .scm-grid-3 {
    grid-template-columns: 1fr;
  }

  .scm-shipment-steps {
    gap: 4px;
  }

  .scm-shipment-step-label {
    font-size: 10px;
    max-width: 48px;
  }

  .scm-inventory-table th:nth-child(1),
  .scm-inventory-table td:nth-child(1),
  .scm-inventory-table th:nth-child(3),
  .scm-inventory-table td:nth-child(3),
  .scm-inventory-table th:nth-child(5),
  .scm-inventory-table td:nth-child(5) {
    display: none;
  }

     .scm-inventory-sku {
    white-space: nowrap;
  }

  .scm-inventory-table td,
  .scm-inventory-table th {
    padding: 10px 10px;
  }

  .scm-approval-actions {
    flex-direction: column;
  }

  .scm-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}