/* ==========================================================================
   ONE-COMPANY Automation Control Center — Design System & Styles
   Zero external dependencies. Pure CSS3 variables, glassmorphic layout,
   responsive grid, accessible components, and dark/light theme support.
   ========================================================================== */

:root {
  /* Dark Theme Palette (Default) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-input: #111827;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #3b82f6;
  --border-subtle: rgba(255, 255, 255, 0.05);

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #111827;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-info: #06b6d4;
  --accent-purple: #8b5cf6;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.35), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.35);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --header-height: 64px;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 70px;
}

[data-theme="light"] {
  --bg-primary: #f3f4f6;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e5e7eb;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(243, 244, 246, 0.95);
  --bg-input: #ffffff;
  
  --border-color: rgba(0, 0, 0, 0.1);
  --border-focus: #2563eb;
  --border-subtle: rgba(0, 0, 0, 0.05);

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-inverse: #f9fafb;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Loading Splash */
.loading-splash {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease, transform 0.2s ease;
  z-index: 40;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.brand-logo {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-env {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 12px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.nav-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  border-left: 3px solid var(--accent-primary);
}

.nav-icon {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tenant-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.tenant-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-success);
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Header */
.top-header {
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
}

.view-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.health-badge-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.user-profile-menu {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.user-role-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Content Container */
.content-container {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Cards & Layout */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-subtext {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Generic Card */
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.badge-active, .badge-healthy, .badge-success, .badge-completed {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning, .badge-degraded, .badge-investigating {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger, .badge-critical, .badge-failed, .badge-rejected {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info, .badge-validated, .badge-matched {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-info);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-draft, .badge-disabled, .badge-suppressed {
  background: rgba(107, 114, 128, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-danger {
  background: var(--accent-danger);
  color: #ffffff;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.2s ease forwards;
}

.toast-success { border-left: 4px solid var(--accent-success); }
.toast-error { border-left: 4px solid var(--accent-danger); }
.toast-info { border-left: 4px solid var(--accent-info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Media Queries */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-wrapper {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .content-container {
    padding: 16px;
  }
}

/* ==========================================
   Stage 20B: Workflow Dashboard & Wizard
   ========================================== */

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  overflow-x: auto;
}

.filter-tab {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.filter-tab:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.filter-tab.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-primary);
  border-color: rgba(59, 130, 246, 0.3);
  font-weight: 600;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.workflow-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(59, 130, 246, 0.3);
}

.workflow-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.workflow-title-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.workflow-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.workflow-id {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.workflow-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 12px;
}

.meta-item-label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 600;
  margin-bottom: 2px;
}

.meta-item-value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  word-break: break-all;
}

.workflow-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

/* Wizard Step Progress */
.wizard-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
  position: relative;
}

.wizard-steps::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 30px;
  right: 30px;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.wizard-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 2;
}

.step-bubble {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.wizard-step.active .step-bubble {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.wizard-step.completed .step-bubble {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: #fff;
}

.step-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.wizard-step.active .step-label {
  color: var(--accent-primary);
}

/* Template Selectable Cards */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  max-height: 480px;
  overflow-y: auto;
  padding: 4px;
}

.template-card {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
}

.template-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  background: var(--bg-card-hover);
}

.template-card.selected {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 0 1px var(--accent-primary);
}

.template-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
}

/* ==========================================
   Stage 20C: Event Monitor & Causal Timeline
   ========================================== */

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.event-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-md);
}

.event-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.event-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.event-source-tag {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.event-dedup-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
}

.event-dedup-badge.duplicate {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

/* Causal Timeline DAG */
.timeline-container {
  position: relative;
  padding: 16px 0 16px 28px;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 11px;
  width: 2px;
  background: var(--border-color);
}

.timeline-step {
  position: relative;
  margin-bottom: 20px;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-node {
  position: absolute;
  left: -28px;
  top: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  z-index: 2;
}

.timeline-step.completed .timeline-node {
  border-color: var(--accent-success);
  background: var(--accent-success);
  color: #fff;
}

.timeline-step.active .timeline-node {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: #fff;
}

.timeline-step.failed .timeline-node {
  border-color: var(--accent-danger);
  background: var(--accent-danger);
  color: #fff;
}

.timeline-content {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.timeline-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-details {
  font-size: 12px;
  color: var(--text-secondary);
}

.timeline-timestamp {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================
   Stage 20D: Incident Center & Human Approval
   ========================================== */

.severity-badge-critical {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.severity-badge-high {
  background: rgba(249, 115, 22, 0.2);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.4);
}

.severity-badge-medium {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.severity-badge-low {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.ai-diagnostic-box {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-top: 16px;
}

.ai-advisory-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.25);
  color: #c084fc;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blast-radius-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.blast-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 12px;
}

.approval-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-warning);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

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

/* ==========================================
   Stage 20E: Health Telemetry Visualizer
   ========================================== */

.health-summary-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.health-score-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.health-score-badge.degraded {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
  border-color: rgba(245, 158, 11, 0.3);
}

.health-score-badge.critical {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.subsystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.subsystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: all 0.15s ease;
  cursor: pointer;
}

.subsystem-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-sm);
}

.subsystem-card.active-subsystem {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.hdp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.hdp-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.hdp-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.invariants-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.invariant-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

/* Stage 21A Persona Partitioning & Accessibility Enhancements */
.badge-operator {
  background: rgba(234, 179, 8, 0.2);
  color: var(--accent-warning);
  border: 1px solid rgba(234, 179, 8, 0.4);
  font-weight: 700;
}

.operator-nav-section {
  animation: fadeIn 0.2s ease;
}

/* Accessible focus styling */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}