/* ========================================
   ESEMS DESIGN SYSTEM
   Based on RFP Design Specifications
   Azure-themed colors with enterprise patterns
   ======================================== */

/* ESEMS Color System - Custom Theme */
:root {
  /* Primary Colors */
  --esems-color-primary: #005B99;
  --esems-color-primary-hover: #004a7c;
  --esems-color-primary-light: #e6f0f7;
  --esems-color-on-primary: #FFFFFF;
  --esems-color-secondary: #3d8ac7;

  /* Accent Colors */
  --esems-color-accent: #FFB900;
  --esems-color-accent-hover: #E6A700;
  --esems-color-accent-light: #FFF4CE;
  --esems-color-on-accent: #000000;

  /* Success Colors */
  --esems-color-success: #34C38F;
  --esems-color-success-light: #d1fae5;
  --esems-color-on-success: #FFFFFF;

  /* Warning Colors */
  --esems-color-warning: #F1B44C;
  --esems-color-warning-light: #fef3c7;
  --esems-color-on-warning: #000000;

  /* Error/Danger Colors */
  --esems-color-error: #F46A6A;
  --esems-color-error-light: #fee2e2;
  --esems-color-on-error: #FFFFFF;

  /* Info Colors */
  --esems-color-info: #50A5F1;
  --esems-color-info-light: #dbeafe;
  --esems-color-on-info: #FFFFFF;

  /* Theme Color Aliases (for easier reference) */
  --theme-color: #005B99;
  --primary-color: #005B99;
  --secondary-color: #3d8ac7;
  --hover-color: #004a7c;
  --success-color: #34C38F;
  --danger-color: #F46A6A;
  --warning-color: #F1B44C;
  --info-color: #50A5F1;

  /* Neutral Colors */
  --esems-color-neutral-900: #201F1E;
  --esems-color-neutral-800: #323130;
  --esems-color-neutral-700: #484644;
  --esems-color-neutral-600: #605E5C;
  --esems-color-neutral-500: #8A8886;
  --esems-color-neutral-400: #A19F9D;
  --esems-color-neutral-300: #C8C6C4;
  --esems-color-neutral-200: #E1DFDD;
  --esems-color-neutral-100: #EDEBE9;
  --esems-color-neutral-50: #F3F2F1;
  --esems-color-neutral-white: #FFFFFF;

  /* Surface Colors */
  --esems-color-surface: #FFFFFF;
  --esems-color-surface-secondary: #F3F2F1;
  --esems-color-surface-tertiary: #EDEBE9;
  --esems-color-on-surface: #201F1E;
  --esems-color-on-surface-secondary: #605E5C;

  /* Sidebar Colors */
  --esems-sidebar-bg: #1B2B4B;
  --esems-sidebar-text: #FFFFFF;
  --esems-sidebar-hover: rgba(255, 255, 255, 0.1);
  --esems-sidebar-active: rgba(0, 120, 212, 0.3);

  /* Elevation Shadows */
  --esems-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --esems-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --esems-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --esems-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Border Radius */
  --esems-radius-sm: 4px;
  --esems-radius-md: 8px;
  --esems-radius-lg: 12px;
  --esems-radius-xl: 16px;

  /* Transitions */
  --esems-transition-fast: 150ms ease;
  --esems-transition-normal: 250ms ease;
  --esems-transition-slow: 350ms ease;
}

/* ESEMS Typography Scale */
body {
  font-family: 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 22px;
  color: var(--esems-color-on-surface);
  background-color: #FAFAFA;
}

/* Page Titles */
.esems-page-title {
  font-size: 28px;
  line-height: 36px;
  font-weight: 600;
  color: var(--esems-color-neutral-900);
  margin-bottom: 8px;
}

.esems-page-subtitle {
  font-size: 15px;
  line-height: 22px;
  font-weight: 400;
  color: var(--esems-color-neutral-600);
}

/* Section Headers */
.esems-section-title {
  font-size: 18px;
  line-height: 24px;
  font-weight: 600;
  color: var(--esems-color-neutral-900);
}

/* Card Headers */
.esems-card-title {
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
  color: var(--esems-color-neutral-900);
}

/* Body Text */
.esems-body {
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  color: var(--esems-color-neutral-800);
}

.esems-body-secondary {
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  color: var(--esems-color-neutral-600);
}

/* Small/Caption Text */
.esems-caption {
  font-size: 13px;
  line-height: 18px;
  font-weight: 400;
  color: var(--esems-color-neutral-600);
}

/* Labels */
.esems-label {
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--esems-color-neutral-600);
}

/* KPI Values */
.esems-kpi-value {
  font-size: 32px;
  line-height: 40px;
  font-weight: 700;
  color: var(--esems-color-neutral-900);
}

.esems-kpi-label {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  color: var(--esems-color-neutral-600);
}

/* ========================================
   ESEMS COMPONENTS
   ======================================== */

/* ESEMS Cards */
.card {
  background-color: var(--esems-color-surface);
  border-radius: var(--esems-radius-lg);
  border: 1px solid var(--esems-color-neutral-200);
  box-shadow: var(--esems-shadow-sm);
  transition: box-shadow var(--esems-transition-normal), transform var(--esems-transition-normal);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--esems-shadow-md);
}

.card-header {
  background: linear-gradient(135deg, #4169E1 0%, #1e40af 100%);
  border-bottom: none;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
}

.card-body {
  padding: 20px;
}

/* KPI Cards */
.esems-kpi-card {
  background: linear-gradient(135deg, #FFFFFF 0%, #FAFAFA 100%);
  border-radius: var(--esems-radius-lg);
  border: 1px solid var(--esems-color-neutral-200);
  padding: 24px;
  transition: all var(--esems-transition-normal);
  box-shadow: var(--esems-shadow-sm);
  height: 100%;
}

.esems-kpi-card:hover {
  box-shadow: var(--esems-shadow-lg);
  transform: translateY(-4px);
  border-color: var(--esems-color-primary);
}

.esems-kpi-card .kpi-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--esems-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--esems-shadow-sm);
}

.esems-kpi-card .kpi-icon.primary {
  background: linear-gradient(135deg, var(--esems-color-primary-light) 0%, #C7E0F4 100%);
}
.esems-kpi-card .kpi-icon.success {
  background: linear-gradient(135deg, var(--esems-color-success-light) 0%, #C6F7C4 100%);
}
.esems-kpi-card .kpi-icon.warning {
  background: linear-gradient(135deg, var(--esems-color-warning-light) 0%, #FFE5B4 100%);
}
.esems-kpi-card .kpi-icon.accent {
  background: linear-gradient(135deg, var(--esems-color-accent-light) 0%, #FFEAA7 100%);
}

/* ESEMS Buttons */
.btn {
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  padding: 8px 16px;
  border-radius: var(--esems-radius-sm);
  transition: all var(--esems-transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--esems-color-primary);
  color: var(--esems-color-on-primary);
  border-color: var(--esems-color-primary);
}

.btn-primary:hover {
  background-color: var(--esems-color-primary-hover);
  border-color: var(--esems-color-primary-hover);
  color: var(--esems-color-on-primary);
}

.btn-secondary {
  background-color: var(--esems-color-neutral-100);
  color: var(--esems-color-neutral-800);
  border-color: var(--esems-color-neutral-300);
}

.btn-secondary:hover {
  background-color: var(--esems-color-neutral-200);
  color: var(--esems-color-neutral-900);
}

.btn-success {
  background-color: var(--esems-color-success);
  color: var(--esems-color-on-success);
  border-color: var(--esems-color-success);
}

.btn-danger {
  background-color: var(--esems-color-error);
  color: var(--esems-color-on-error);
  border-color: var(--esems-color-error);
}

/* Outlined Buttons */
.btn-outline-primary {
  background-color: transparent;
  color: var(--esems-color-primary);
  border-color: var(--esems-color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--esems-color-primary-light);
  color: var(--esems-color-primary);
}

.btn-outline-success {
  background-color: transparent;
  color: var(--esems-color-success);
  border-color: var(--esems-color-success);
}

.btn-outline-success:hover {
  background-color: var(--esems-color-success-light);
  color: var(--esems-color-success);
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--esems-color-error);
  border-color: var(--esems-color-error);
}

.btn-outline-danger:hover {
  background-color: var(--esems-color-error-light);
  color: var(--esems-color-error);
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--esems-color-neutral-700);
  border-color: var(--esems-color-neutral-400);
}

.btn-outline-secondary:hover {
  background-color: var(--esems-color-neutral-100);
  color: var(--esems-color-neutral-800);
}

/* Button Sizes */
.btn-sm {
  padding: 4px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 16px;
}

/* ESEMS Tables */
.table {
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--esems-color-surface);
  width: 100%;
}

.table thead th {
  background-color: var(--esems-color-surface-secondary);
  color: var(--esems-color-neutral-700);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--esems-color-neutral-200);
  /* Logical alignment: text-align:left pinned every table header to the left in
     Arabic while the body cells inherited right — headers no longer lined up
     with their own column. */
  text-align: start;
}

.table tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--esems-color-neutral-100);
  color: var(--esems-color-neutral-800);
  font-size: 14px;
}

.table tbody tr {
  transition: background-color var(--esems-transition-fast);
}

.table tbody tr:hover {
  background-color: var(--esems-color-primary-light);
}

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

/* ESEMS Form Controls */
.form-control,
.form-select {
  background-color: var(--esems-color-surface);
  border: 1px solid var(--esems-color-neutral-300);
  border-radius: var(--esems-radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  line-height: 20px;
  color: var(--esems-color-neutral-900);
  transition: all var(--esems-transition-fast);
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--esems-color-primary);
  box-shadow: 0 0 0 3px var(--esems-color-primary-light);
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--esems-color-neutral-700);
  margin-bottom: 6px;
  display: block;
}

/* ESEMS Badges */
.badge {
  font-size: 13px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--esems-radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-primary, .bg-primary {
  background-color: var(--esems-color-primary) !important;
  color: var(--esems-color-on-primary) !important;
}

.badge-secondary, .bg-secondary {
  background-color: var(--esems-color-neutral-500) !important;
  color: var(--esems-color-neutral-white) !important;
}

.badge-success, .bg-success {
  background-color: var(--esems-color-success) !important;
  color: var(--esems-color-on-success) !important;
}

.badge-danger, .bg-danger {
  background-color: var(--esems-color-error) !important;
  color: var(--esems-color-on-error) !important;
}

.badge-warning, .bg-warning {
  background-color: var(--esems-color-warning) !important;
  color: var(--esems-color-on-warning) !important;
}

.badge-info, .bg-info {
  background-color: var(--esems-color-primary-light) !important;
  color: var(--esems-color-primary) !important;
}

/* ESEMS Alerts */
.alert {
  border-radius: var(--esems-radius-md);
  padding: 16px;
  border: 1px solid;
}

.alert-primary {
  background-color: var(--esems-color-primary-light);
  border-color: var(--esems-color-primary);
  color: var(--esems-color-primary-hover);
}

.alert-danger {
  background-color: var(--esems-color-error-light);
  border-color: var(--esems-color-error);
  color: var(--esems-color-error);
}

.alert-success {
  background-color: var(--esems-color-success-light);
  border-color: var(--esems-color-success);
  color: var(--esems-color-success);
}

.alert-warning {
  background-color: var(--esems-color-warning-light);
  border-color: var(--esems-color-warning);
  color: #7A4F01;
}

/* ESEMS Utility Classes */
.shadow-sm {
  box-shadow: var(--esems-shadow-sm) !important;
}

.shadow {
  box-shadow: var(--esems-shadow-md) !important;
}

.shadow-lg {
  box-shadow: var(--esems-shadow-lg) !important;
}

/* ESEMS Text Colors */
.text-primary {
  color: var(--esems-color-primary) !important;
}

.text-secondary {
  color: var(--esems-color-neutral-600) !important;
}

.text-success {
  color: var(--esems-color-success) !important;
}

.text-danger {
  color: var(--esems-color-error) !important;
}

.text-warning {
  color: var(--esems-color-warning) !important;
}

.text-muted {
  color: var(--esems-color-neutral-500) !important;
}

/* ESEMS Background Colors */
.bg-surface {
  background-color: var(--esems-color-surface) !important;
}

.bg-surface-secondary {
  background-color: var(--esems-color-surface-secondary) !important;
}

/* ESEMS Breadcrumb */
.breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 16px;
}

.breadcrumb-item {
  font-size: 14px;
  color: var(--esems-color-neutral-600);
}

.breadcrumb-item a {
  color: var(--esems-color-primary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--esems-color-neutral-800);
}

/* ESEMS Tabs */
.nav-tabs {
  border-bottom: 1px solid var(--esems-color-neutral-200);
}

.nav-tabs .nav-link {
  color: var(--esems-color-neutral-600);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 16px;
  font-weight: 500;
  transition: all var(--esems-transition-fast);
}

.nav-tabs .nav-link:hover {
  color: var(--esems-color-primary);
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--esems-color-primary);
  border-bottom-color: var(--esems-color-primary);
  background-color: transparent;
}

/* ESEMS Page Header */
.esems-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.esems-page-header-content {
  flex: 1;
}

.esems-page-header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ESEMS Container */
.esems-container {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ESEMS Tree View */
.esems-tree-node {
  padding: 8px 12px;
  border-radius: var(--esems-radius-sm);
  cursor: pointer;
  transition: background-color var(--esems-transition-fast);
}

.esems-tree-node:hover {
  background-color: var(--esems-color-primary-light);
}

.esems-tree-node.active {
  background-color: var(--esems-color-primary-light);
  border-left: 3px solid var(--esems-color-primary);
}

/* ESEMS Status Indicators */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.active { background-color: var(--esems-color-success); }
.status-dot.pending { background-color: var(--esems-color-warning); }
.status-dot.inactive { background-color: var(--esems-color-neutral-400); }
.status-dot.error { background-color: var(--esems-color-error); }

/* ESEMS Responsive */
@@media (max-width: 768px) {
  .esems-container {
    padding: 16px;
  }

  .esems-page-header {
    flex-direction: column;
  }

  .esems-page-header-actions {
    width: 100%;
  }
}



/* ========================================
   TAB NAVIGATION & ADVANCED COMPONENTS
   ======================================== */

/* Tab Navigation */
.nav-tabs {
  border-bottom: 2px solid var(--esems-color-neutral-200);
  margin-bottom: 28px;
  gap: 4px;
  display: flex;
  flex-wrap: wrap;
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--esems-color-neutral-600);
  font-weight: 500;
  padding: 14px 28px;
  transition: all var(--esems-transition-fast);
  border-radius: var(--esems-radius-md) var(--esems-radius-md) 0 0;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}

.nav-tabs .nav-link:hover {
  color: var(--esems-color-primary);
  background-color: var(--esems-color-primary-light);
  border-bottom-color: var(--esems-color-primary);
}

.nav-tabs .nav-link.active {
  color: var(--esems-color-primary);
  background-color: white;
  border-bottom-color: var(--esems-color-primary);
  font-weight: 600;
}

.tab-content {
  animation: fadeIn 0.3s ease-in;
}

@@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Kanban Board */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.kanban-column {
  background: white;
  border-radius: var(--esems-radius-lg);
  padding: 20px;
  border: 1px solid var(--esems-color-neutral-200);
  box-shadow: var(--esems-shadow-sm);
  min-height: 400px;
}

.kanban-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--esems-color-neutral-200);
}

.kanban-column-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--esems-color-neutral-900);
  display: flex;
  align-items: center;
  gap: 10px;
}

.kanban-column-count {
  background: var(--esems-color-neutral-100);
  color: var(--esems-color-neutral-700);
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
}

.kanban-card {
  background: white;
  border: 1px solid var(--esems-color-neutral-200);
  border-radius: var(--esems-radius-md);
  padding: 18px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: all var(--esems-transition-normal);
  box-shadow: var(--esems-shadow-sm);
}

.kanban-card:hover {
  box-shadow: var(--esems-shadow-lg);
  transform: translateY(-3px);
  border-color: var(--esems-color-primary);
}

.kanban-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--esems-color-neutral-900);
  margin-bottom: 10px;
  line-height: 1.4;
}

.kanban-card-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--esems-color-neutral-600);
  align-items: center;
}

/* Filter Bar */
.filter-bar {
  background: white;
  border-radius: var(--esems-radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--esems-shadow-sm);
  border: 1px solid var(--esems-color-neutral-200);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar label {
  font-weight: 500;
  color: var(--esems-color-neutral-700);
  /* Logical gap: the label precedes its control, so the spacing has to follow
     the reading direction rather than always sitting on the right. */
  margin-inline-end: 8px;
  font-size: 14px;
}

.filter-bar select,
.filter-bar input {
  min-width: 180px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: linear-gradient(135deg, white 0%, #FAFAFA 100%);
  border-radius: var(--esems-radius-lg);
  padding: 24px;
  border: 1px solid var(--esems-color-neutral-200);
  box-shadow: var(--esems-shadow-sm);
  transition: all var(--esems-transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--esems-shadow-lg);
}

.stat-label {
  font-size: 13px;
  color: var(--esems-color-neutral-600);
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--esems-color-neutral-900);
  line-height: 1.2;
}

.stat-change {
  font-size: 13px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.positive {
  color: var(--esems-color-success);
}

.stat-change.negative {
  color: var(--esems-color-error);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--esems-color-neutral-500);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--esems-color-neutral-700);
  margin-bottom: 8px;
}

.empty-state-description {
  font-size: 14px;
  color: var(--esems-color-neutral-500);
  margin-bottom: 20px;
}