:root {
  --bg-canvas: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --border-subtle: #273549;
  --border-focus: #38bdf8;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-danger-bg: rgba(220, 38, 38, 0.15);
  --color-badge-bg: #1e293b;
  --color-badge-text: #cbd5e1;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[lang="ar"] {
  --font-sans: system-ui, -apple-system, "Segoe UI", Tahoma, Arial, "Noto Sans Arabic", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  text-align: start;
}

/* Accessibility: Focus rings */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Technical IDs (UUIDs, tokens) must isolate LTR */
.technical-id,
[dir="ltr"] {
  direction: ltr;
  unicode-bidi: isolate;
  font-family: var(--font-mono);
}

/* Login Wrapper & Card */
.login-wrapper {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding-inline: 1rem;
  padding-block: 2rem;
}

.login-card {
  width: 100%;
  max-width: 28rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding-inline: 2rem;
  padding-block: 2.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

.login-header {
  margin-block-end: 2rem;
  text-align: center;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-block-end: 0.5rem;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Error banner */
.login-error {
  background-color: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  color: #fca5a5;
  padding-inline: 1rem;
  padding-block: 0.75rem;
  border-radius: var(--radius-md);
  margin-block-end: 1.5rem;
  font-size: 0.875rem;
}

/* Form controls */
.form-group {
  margin-block-end: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-block-end: 0.5rem;
}

.form-group input {
  width: 100%;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding-inline: 0.875rem;
  padding-block: 0.625rem;
  color: var(--text-main);
  font-size: 0.9375rem;
  transition: border-color 0.15s ease-in-out;
}

.form-group input:focus {
  border-color: var(--border-focus);
}

.form-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-start: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding-inline: 1.25rem;
  padding-block: 0.625rem;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  flex: 1;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #374151;
}

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

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-hover);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Shell Layout */
.panel-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.panel-header {
  background-color: var(--bg-surface);
  border-block-end: 1px solid var(--border-subtle);
  padding-inline: 1.5rem;
  padding-block: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-brand {
  display: flex;
  flex-direction: column;
}

.panel-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
}

.panel-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.panel-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background-color: var(--color-badge-bg);
  color: var(--color-badge-text);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding-inline: 0.625rem;
  padding-block: 0.375rem;
  font-size: 0.8125rem;
}

.badge-label {
  color: var(--text-muted);
}

.operator-id {
  color: #38bdf8;
  font-size: 0.75rem;
}

.expiry-time {
  font-weight: 500;
  color: #facc15;
}

/* Main Content Area */
.panel-content {
  flex: 1;
  padding-inline: 1.5rem;
  padding-block: 2rem;
  max-width: 80rem;
  width: 100%;
  margin-inline: auto;
}

.panel-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding-inline: 1.5rem;
  padding-block: 1.5rem;
}

.welcome-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-block-end: 0.5rem;
  color: var(--text-main);
}

.welcome-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Records Container & Nav Tabs */
.records-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.records-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-block-end: 1px solid var(--border-subtle);
  padding-block-end: 0.75rem;
}

.records-tab {
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding-inline: 1rem;
  padding-block: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.records-tab:hover:not(.active) {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}

.records-tab.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-hover);
}

/* Toolbar & Window Info */
.records-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.records-window-info {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #fef08a;
  padding-inline: 0.75rem;
  padding-block: 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
}

.window-badge {
  background-color: #ca8a04;
  color: #000000;
  font-weight: 700;
  font-size: 0.6875rem;
  padding-inline: 0.375rem;
  padding-block: 0.125rem;
  border-radius: var(--radius-sm);
}

.filter-group {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.status-filter-select {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding-inline: 0.75rem;
  padding-block: 0.375rem;
  font-size: 0.8125rem;
}

.status-filter-select:focus {
  border-color: var(--border-focus);
}

/* Table and Responsive Container */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
}

.records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  text-align: start;
}

.records-table th {
  background-color: var(--bg-surface-elevated);
  color: var(--text-muted);
  font-weight: 600;
  padding-inline: 1rem;
  padding-block: 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.records-table td {
  padding-inline: 1rem;
  padding-block: 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  vertical-align: middle;
  color: var(--text-main);
}

.records-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.records-table tbody tr:last-child td {
  border-block-end: none;
}

/* Status & Category Badges */
.status-badge,
.provenance-badge,
.blocked-badge,
.failure-code-badge,
.failure-count-badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  padding-inline: 0.5rem;
  padding-block: 0.2rem;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-active,
.badge-verified,
.status-trackable,
.status-resolved {
  background-color: rgba(34, 197, 94, 0.15);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-inactive,
.badge-unverified,
.status-pending {
  background-color: rgba(234, 179, 8, 0.15);
  color: #fef08a;
  border: 1px solid rgba(234, 179, 8, 0.3);
}

.status-degraded,
.status-triaged {
  background-color: rgba(249, 115, 22, 0.15);
  color: #fdba74;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.status-blocked,
.badge-blocked,
.status-error {
  background-color: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-unblocked {
  background-color: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.badge-manual {
  background-color: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-server {
  background-color: rgba(100, 116, 139, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.failure-count-badge {
  background-color: rgba(220, 38, 38, 0.2);
  color: #f87171;
  border: 1px solid rgba(220, 38, 38, 0.4);
  font-weight: 700;
}

.failure-codes-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.failure-code-badge {
  background-color: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.timestamp-null,
.attempt-null {
  color: var(--text-muted);
  font-style: italic;
}

/* Pagination Bar */
.records-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block-start: 0.5rem;
}

.pagination-info {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
}

.pagination-btn {
  padding-inline: 0.875rem;
  padding-block: 0.375rem;
  font-size: 0.8125rem;
}

/* Empty, Loading, and Error States */
.records-empty,
.records-loading,
.records-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-inline: 2rem;
  padding-block: 3.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  gap: 1rem;
}

.records-empty p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.records-error {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
  color: #fca5a5;
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-block-start-color: var(--border-focus);
  animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Operational Health Monitoring Dashboard
   ========================================================================== */
.health-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.health-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.health-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.health-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.health-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.health-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.health-generated-at {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.health-refresh-btn {
  padding-inline: 0.875rem;
  padding-block: 0.375rem;
  font-size: 0.8125rem;
}

.health-error-banner {
  background-color: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  color: #fca5a5;
  padding-inline: 1rem;
  padding-block: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.health-loading-banner {
  background-color: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
  padding-inline: 1rem;
  padding-block: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.health-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition: border-color 0.15s ease;
}

.status-card-healthy {
  border-inline-start: 4px solid #10b981;
}

.status-card-degraded {
  border-inline-start: 4px solid #f59e0b;
}

.status-card-unavailable {
  border-inline-start: 4px solid #ef4444;
}

.status-card-unknown {
  border-inline-start: 4px solid #6b7280;
}

.health-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.health-component-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-main);
}

.health-badge-group {
  display: flex;
  gap: 0.375rem;
  align-items: center;
  flex-wrap: wrap;
}

.badge-healthy {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-degraded {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-unavailable {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-unknown {
  background: rgba(107, 114, 128, 0.15);
  color: #9ca3af;
  border: 1px solid rgba(107, 114, 128, 0.4);
}

.code-badge-OK {
  background: #1e293b;
  color: #94a3b8;
}

.code-badge-BACKLOG {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
}

.code-badge-PROBE_FAILED {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

.code-badge-TIMEOUT {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

.code-badge-STALE {
  background: rgba(217, 119, 6, 0.15);
  color: #f59e0b;
}

.code-badge-NOT_MONITORED {
  background: #1e293b;
  color: #94a3b8;
}

.health-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8125rem;
}

.health-meta-row {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.health-meta-row .meta-label {
  color: var(--text-muted);
  min-width: 5.5rem;
}

.health-meta-row .meta-value {
  color: var(--text-main);
}

.health-summary {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.health-metrics-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-block: 0.5rem;
  border-block-start: 1px solid var(--border-subtle);
}

.health-metric-chip {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding-inline: 0.5rem;
  padding-block: 0.25rem;
  font-size: 0.75rem;
  display: flex;
  gap: 0.25rem;
}

.health-metric-chip .metric-label {
  color: var(--text-muted);
}

.health-metric-chip .metric-value {
  color: var(--text-main);
  font-weight: 600;
}

.health-guidance {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-block-start: auto;
}

.health-guidance-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-block-end: 0.25rem;
}

.health-guidance-text {
  font-size: 0.8125rem;
  color: #e2e8f0;
  line-height: 1.4;
}