:root {
  --bg-canvas: #090d16;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-input: #0a0f1d;
  --border-subtle: #1e293b;
  --border-strong: #334155;
  --border-focus: #38bdf8;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #38bdf8;
  --accent-cyan-hover: #0ea5e9;
  --accent-cyan-dim: rgba(56, 189, 248, 0.12);

  --color-success: #10b981;
  --color-success-dim: rgba(16, 185, 129, 0.14);
  --color-warning: #f59e0b;
  --color-warning-dim: rgba(245, 158, 11, 0.14);
  --color-danger: #f43f5e;
  --color-danger-dim: rgba(244, 63, 94, 0.14);
  --color-purple: #a855f7;
  --color-purple-dim: rgba(168, 85, 247, 0.14);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, Menlo, monospace;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

code, pre, .font-mono {
  font-family: var(--font-mono);
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
  color: var(--accent-cyan-hover);
}

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

/* Top Command Navigation Bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  color: #090d16;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

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

.brand-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Tab Navigation */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 100%;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  padding: 0 14px;
  height: 100%;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.nav-tab:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.nav-tab:hover .tab-icon {
  opacity: 1;
}

.nav-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
  background-color: rgba(56, 189, 248, 0.04);
}

.nav-tab.active .tab-icon {
  opacity: 1;
  color: var(--accent-cyan);
}

/* Top Nav Status & Controls */
.nav-status {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface-elevated);
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.status-text {
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-success);
}

.status-latency {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.auto-refresh-control {
  display: flex;
  align-items: center;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

.tab-pane {
  display: block;
  animation: fadeIn 0.2s ease;
}

.tab-pane.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* View Header */
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.view-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.view-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.kpi-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.kpi-card:hover::before {
  background: var(--accent-cyan);
}

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

.kpi-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.kpi-metric {
  font-size: 2.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.2;
}

.kpi-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Dashboard Two-Column Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}

.dashboard-col-primary {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dashboard-col-secondary {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Console Cards */
.console-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 20px;
  position: relative;
}

.console-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-heading-group {
  display: flex;
  flex-direction: column;
}

.console-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.console-card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Pipeline Diagram */
.pipeline-flow-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

.pipeline-step {
  text-align: center;
  flex: 1;
}

.step-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.step-value {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.step-value.highlight { color: var(--accent-cyan); }
.step-value.warning { color: var(--color-warning); }

.pipeline-arrow {
  color: var(--border-strong);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0 6px;
}

.dedup-breakdown {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 6px;
}

.dedup-pill-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 6px 10px;
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

.dedup-pill-label {
  color: var(--text-secondary);
}

.dedup-pill-count {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Source Health Meters */
.health-meters-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meter-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.meter-label { color: var(--text-secondary); }
.meter-val { font-family: var(--font-mono); font-weight: 600; }

.meter-bar-track {
  width: 100%;
  height: 6px;
  background-color: var(--bg-surface-elevated);
  border-radius: 9999px;
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.4s ease;
}

.fill-success { background-color: var(--color-success); }
.fill-danger { background-color: var(--color-danger); }
.fill-muted { background-color: var(--text-muted); }

/* Diagnostics List */
.diagnostics-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diag-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.diag-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.diag-key { color: var(--text-muted); }
.diag-val { color: var(--text-primary); font-weight: 500; }

/* Filter Bar */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-wrapper input {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 12px 8px 34px;
  border-radius: 6px;
  font-size: 0.85rem;
  transition: all 0.15s ease;
}

.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-cyan-dim);
}

.filter-select-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

select {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

select:focus {
  outline: none;
  border-color: var(--border-focus);
}

.filter-toggle-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Data Tables */
.table-container {
  overflow-x: auto;
  border-radius: 6px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.825rem;
}

.data-table th {
  padding: 10px 14px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  background-color: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

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

.data-table tbody tr {
  transition: background-color 0.1s ease;
}

.data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.025);
}

.table-loading, .table-empty {
  text-align: center;
  padding: 32px 16px !important;
  color: var(--text-muted);
  font-style: italic;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-success { background-color: var(--color-success-dim); color: var(--color-success); }
.badge-success .badge-dot { background-color: var(--color-success); }

.badge-warning { background-color: var(--color-warning-dim); color: var(--color-warning); }
.badge-warning .badge-dot { background-color: var(--color-warning); }

.badge-danger { background-color: var(--color-danger-dim); color: var(--color-danger); }
.badge-danger .badge-dot { background-color: var(--color-danger); }

.badge-info { background-color: var(--accent-cyan-dim); color: var(--accent-cyan); }
.badge-info .badge-dot { background-color: var(--accent-cyan); }

.badge-purple { background-color: var(--color-purple-dim); color: var(--color-purple); }
.badge-purple .badge-dot { background-color: var(--color-purple); }

.badge-neutral { background-color: rgba(148, 163, 184, 0.12); color: var(--text-secondary); }
.badge-neutral .badge-dot { background-color: var(--text-secondary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--accent-cyan);
  color: #090d16;
  border-color: var(--accent-cyan);
  font-weight: 600;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--bg-surface-elevated);
  border-color: var(--text-secondary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border: none;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

.btn-icon {
  width: 14px;
  height: 14px;
}

.icon-refresh {
  width: 18px;
  height: 18px;
}

/* Pagination Bar */
.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-current {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  transition: all 0.15s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-cyan-dim);
}

.form-hint {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.flex-1 { flex: 1; }
.mt-2 { margin-top: 8px; }
.text-right { text-align: right; }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--text-muted); }

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 8, 14, 0.8);
  backdrop-filter: blur(4px);
  z-index: -1;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  width: 100%;
  max-width: 540px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-xl {
  max-width: 900px;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header-titles {
  display: flex;
  flex-direction: column;
}

.modal-tag {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.06em;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2px;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  background-color: rgba(0, 0, 0, 0.15);
}

/* Article Detail Inspector Styles */
.inspector-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px;
  margin-bottom: 20px;
}

.inspector-meta-item {
  display: flex;
  flex-direction: column;
}

.inspector-meta-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.inspector-meta-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
}

.inspector-section {
  margin-bottom: 20px;
}

.inspector-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-body-preview {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #cbd5e1;
  max-height: 240px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.hash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px;
}

.hash-cell {
  display: flex;
  flex-direction: column;
}

.hash-cell code {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  word-break: break-all;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 4px 6px;
  border-radius: 4px;
  margin-top: 4px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 400px;
}

.toast {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 12px 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-primary);
  font-size: 0.85rem;
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-nav {
    padding: 0 16px;
  }
  .nav-tabs {
    display: none; /* In small screens, simplify header */
  }
  .main-content {
    padding: 16px;
  }
}

/* ==========================================================================
   PHASE 1 REFINEMENT PASS
   Overrides and additions layered over the base system above.
   ========================================================================== */

/* --- Form controls: replace OS-default select/checkbox rendering ---------- */
select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.5L2.5 5h7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
  padding-right: 30px;
  min-height: 36px;
}

select:hover { border-color: var(--border-strong); }

select:focus-visible,
input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 1px;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.toggle-label:hover { color: var(--text-primary); }

.toggle-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background-color: var(--bg-input);
  display: grid;
  place-content: center;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.toggle-label input[type="checkbox"]::after {
  content: '';
  width: 8px;
  height: 8px;
  transform: scale(0);
  transition: transform 0.12s ease-in-out;
  box-shadow: inset 8px 8px var(--bg-canvas);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.toggle-label input[type="checkbox"]:checked {
  background-color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.toggle-label input[type="checkbox"]:checked::after { transform: scale(1); }

/* --- Tables: keep columns legible, signal horizontal overflow ------------- */
.table-container {
  position: relative;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.table-container::-webkit-scrollbar { height: 8px; }
.table-container::-webkit-scrollbar-track { background: transparent; }
.table-container::-webkit-scrollbar-thumb {
  background-color: var(--border-strong);
  border-radius: 4px;
}

.data-table { min-width: 880px; }
.data-table td { vertical-align: top; }
.data-table td.cell-mid { vertical-align: middle; }

/* Action clusters must never be the column that gets squeezed. */
.data-table th:last-child,
.data-table td:last-child {
  white-space: nowrap;
  text-align: right;
}

.row-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
}

/* --- Empty states --------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 56px 24px;
  text-align: center;
}

.empty-state-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-style: normal;
}

.empty-state-hint {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-style: normal;
  max-width: 420px;
  line-height: 1.6;
}

td.empty-cell { padding: 0 !important; }

/* --- Skeleton loading ----------------------------------------------------- */
.skeleton {
  display: block;
  height: 11px;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.07) 25%,
    rgba(148, 163, 184, 0.16) 37%,
    rgba(148, 163, 184, 0.07) 63%
  );
  background-size: 400% 100%;
  animation: skeletonSweep 1.4s ease-in-out infinite;
}

.skeleton + .skeleton { margin-top: 7px; }
.skeleton-sm { width: 45%; }
.skeleton-md { width: 70%; }
.skeleton-lg { width: 90%; }

@keyframes skeletonSweep {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* --- Registry footer: closes the dead space under short tables ------------ */
.registry-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  background-color: rgba(255, 255, 255, 0.012);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.registry-count { font-variant-numeric: tabular-nums; }

.status-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot-success { background-color: var(--color-success); }
.legend-dot-warning { background-color: var(--color-warning); }
.legend-dot-danger { background-color: var(--color-danger); }
.legend-dot-muted { background-color: var(--text-muted); }

/* --- Provenance chain ----------------------------------------------------- */
.provenance-chain {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.chain-node {
  flex: 1 1 150px;
  min-width: 0;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.chain-node-label {
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
}

.chain-node-value {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 500;
  overflow-wrap: anywhere;
}

.chain-node-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

.chain-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--border-strong);
  flex-shrink: 0;
  font-size: 0.9rem;
}

/* --- Article modal: relationship evidence must not escape the dialog ------ */
.modal .table-container { max-width: 100%; }
.modal .data-table { min-width: 720px; }

.evidence-cell {
  max-width: 260px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
  white-space: normal;
}

.evidence-cell details summary {
  cursor: pointer;
  color: var(--accent-cyan);
  font-size: 0.72rem;
  list-style: none;
}

.evidence-cell details summary::-webkit-details-marker { display: none; }
.evidence-cell details summary::before { content: '▸ '; }
.evidence-cell details[open] summary::before { content: '▾ '; }

.evidence-cell pre {
  margin-top: 6px;
  padding: 8px;
  background-color: rgba(0, 0, 0, 0.35);
  border-radius: 4px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 180px;
  overflow-y: auto;
  color: var(--text-secondary);
}

/* --- Responsive ----------------------------------------------------------- */
.nav-tabs { flex-wrap: nowrap; }
.nav-tab { white-space: nowrap; }
.nav-brand { flex-shrink: 0; }
.brand-name, .brand-tag { white-space: nowrap; }

.nav-status {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

@media (max-width: 1439px) {
  .top-nav { gap: 12px; }
  .nav-tab { padding: 0 10px; }
}

@media (max-width: 1279px) {
  .nav-tab { font-size: 0.8rem; padding: 0 8px; gap: 6px; }
  .main-content { padding: 20px; }
}

/* Below this width the tab strip scrolls horizontally rather than wrapping
   or disappearing — navigation must remain reachable at every width. */
@media (max-width: 1140px) {
  .top-nav {
    height: auto;
    min-height: 56px;
    flex-wrap: wrap;
    padding: 8px 16px;
    row-gap: 6px;
  }
  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    height: 44px;
    border-top: 1px solid var(--border-subtle);
  }
  .nav-tabs::-webkit-scrollbar { display: none; }
  .brand-tag { display: none; }
}

@media (max-width: 768px) {
  /* The base stylesheet hid the tab strip entirely at this width, which left
     the console with no navigation at all. It scrolls instead. */
  .nav-tabs { display: flex; }
  .main-content { padding: 14px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .provenance-chain { flex-direction: column; }
  .chain-arrow { transform: rotate(90deg); padding: 4px 0; align-self: center; }
}

.diag-note {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* --- Canvas treatment: a short table should not read as a broken page ----- */
body {
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.028) 1px, transparent 1px);
  background-size: 48px 48px;
  background-attachment: fixed;
}

.app-layout > .main-content { flex: 1 0 auto; }

.app-footer {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 14px 24px 22px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.footer-facts {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-fact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.footer-fact strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-sep { color: var(--border-strong); }

@media (max-width: 768px) {
  .app-footer { padding: 12px 14px 18px; }
}

/* Modal tables size to the dialog rather than forcing a scroll. */
.modal .data-table { min-width: 0; }
.modal .evidence-cell { max-width: 150px; }
.modal .data-table th,
.modal .data-table td { padding: 10px 10px; }

/* Fit the five provenance nodes on one row at dialog width. */
.chain-node { flex: 1 1 110px; padding: 9px 10px; }
.chain-arrow { padding: 0 5px; }

/* Horizontal-scroll affordance: a fade appears on whichever edge has more
   table to reveal, so a clipped action column reads as scrollable. */
.table-container {
  background:
    linear-gradient(to right, var(--bg-surface) 30%, rgba(15, 23, 42, 0)) left center,
    linear-gradient(to left, var(--bg-surface) 30%, rgba(15, 23, 42, 0)) right center,
    radial-gradient(farthest-side at 0 50%, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0)) left center,
    radial-gradient(farthest-side at 100% 50%, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0)) right center;
  background-repeat: no-repeat;
  background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
  background-attachment: local, local, scroll, scroll;
}

/* ==========================================================================
   AUTHENTICATION GATE & ACCESS CONTROL UI
   ========================================================================== */

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(56, 189, 248, 0.07), transparent),
    linear-gradient(rgba(148, 163, 184, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.028) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  overflow-y: auto;
}

.auth-panel {
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-domain {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: none;
}

.auth-notice-box {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 18px;
  font-size: 0.78rem;
  line-height: 1.5;
}

.notice-tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.notice-body {
  color: var(--text-secondary);
}

.notice-highlight {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  color: #fcd34d;
}

.auth-warning-banner {
  background: var(--color-warning-dim);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 3px solid var(--color-warning);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 18px;
}

.warning-badge {
  display: inline-block;
  background: var(--color-warning);
  color: #090d16;
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 3px;
  margin-bottom: 6px;
}

.warning-desc {
  color: #fcd34d;
  font-size: 0.78rem;
  line-height: 1.45;
  margin: 0;
}

.auth-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.auth-error {
  background-color: var(--color-danger-dim);
  border: 1px solid rgba(244, 63, 94, 0.35);
  border-left: 3px solid var(--color-danger);
  color: #fda4af;
  font-size: 0.8rem;
  padding: 9px 12px;
  border-radius: 5px;
  margin-bottom: 14px;
}

.btn-block {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.auth-code-input {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.35em;
  text-align: center;
  padding: 12px;
}

.enroll-qr-wrap {
  display: flex;
  justify-content: center;
  padding: 16px;
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 16px;
}

.enroll-qr { display: block; }

.enroll-manual {
  margin-bottom: 18px;
  font-size: 0.8rem;
}

.enroll-manual summary {
  cursor: pointer;
  color: var(--accent-cyan);
  padding: 6px 0;
}

.enroll-secret {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  margin-top: 6px;
}

.enroll-secret code {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  word-break: break-all;
  letter-spacing: 0.06em;
}

.recovery-code-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 16px;
  margin-bottom: 18px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
}

.recovery-code-list li {
  font-size: 0.85rem;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 4px;
}

.admin-identity {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border-subtle);
}

.identity-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.secret-callout {
  background-color: var(--color-warning-dim);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 3px solid var(--color-warning);
  color: #fcd34d;
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 11px 13px;
  border-radius: 5px;
  margin-bottom: 18px;
}

.secret-value {
  display: block;
  padding: 12px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--accent-cyan);
  font-size: 0.8rem;
  word-break: break-all;
  user-select: all;
}

@media (max-width: 480px) {
  .auth-panel { padding: 20px; }
  .recovery-code-list { grid-template-columns: 1fr; }
}

/* A `display` rule on a component beats the browser default for [hidden],
   so elements toggled via the hidden attribute must opt out explicitly. */
[hidden] { display: none !important; }