/* style.css — Nuclear CDM Dashboard design tokens + components */

/* ═══════════════════════════════════════════
   GOOGLE FONTS
   ═══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ═══════════════════════════════════════════
   TYPE SCALE
   ═══════════════════════════════════════════ */
:root {
  --text-xs:   clamp(0.6875rem, 0.65rem + 0.15vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.15vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.88rem + 0.25vw, 1.0625rem);
  --text-lg:   clamp(1.0625rem, 0.95rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1rem + 1vw, 2rem);
  --text-2xl:  clamp(1.75rem, 1.1rem + 2vw, 3rem);

  /* Spacing — 4px system */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Font families */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Sidebar */
  --sidebar-width: 220px;
  --sidebar-collapsed: 56px;
  --header-height: 52px;
}

/* ═══════════════════════════════════════════
   LIGHT MODE (default)
   ═══════════════════════════════════════════ */
:root, [data-theme="light"] {
  --color-bg:             #f5f4f0;
  --color-surface:        #fbfaf8;
  --color-surface-2:      #ffffff;
  --color-surface-offset: #eeede8;
  --color-surface-offset-2: #e8e6e1;
  --color-surface-dynamic: #e0ded9;
  --color-divider:        #dcd9d5;
  --color-border:         #d0cdc6;

  --color-text:           #1a1a18;
  --color-text-muted:     #6b6a66;
  --color-text-faint:     #a8a7a3;
  --color-text-inverse:   #fbfaf8;

  --color-primary:        #01696f;
  --color-primary-hover:  #0c4e54;
  --color-primary-active: #0f3638;
  --color-primary-highlight: #d8edeb;

  --color-warning:        #b85c1a;
  --color-warning-highlight: #fdf0e4;
  --color-error:          #c0392b;
  --color-error-highlight: #fde8e5;
  --color-success:        #27804c;
  --color-success-highlight: #e4f5ec;
  --color-blue:           #1a6eb5;
  --color-blue-highlight: #e1f0fd;
  --color-purple:         #7a39bb;
  --color-purple-highlight: #f0e6f9;

  --shadow-sm: 0 1px 2px rgba(28, 25, 20, 0.05);
  --shadow-md: 0 2px 8px rgba(28, 25, 20, 0.08);
  --shadow-lg: 0 8px 24px rgba(28, 25, 20, 0.10);
}

/* ═══════════════════════════════════════════
   DARK MODE
   ═══════════════════════════════════════════ */
[data-theme="dark"] {
  --color-bg:             #111110;
  --color-surface:        #191918;
  --color-surface-2:      #1f1f1e;
  --color-surface-offset: #1c1c1b;
  --color-surface-offset-2: #222221;
  --color-surface-dynamic: #2a2a28;
  --color-divider:        #2e2e2c;
  --color-border:         #3a3a37;

  --color-text:           #d8d7d4;
  --color-text-muted:     #8a8986;
  --color-text-faint:     #5a5957;
  --color-text-inverse:   #191918;

  --color-primary:        #4db8bf;
  --color-primary-hover:  #3aa0a7;
  --color-primary-active: #2a8891;
  --color-primary-highlight: #1d3133;

  --color-warning:        #e0883e;
  --color-warning-highlight: #2d2218;
  --color-error:          #e85d4f;
  --color-error-highlight: #2d1a17;
  --color-success:        #5cb87a;
  --color-success-highlight: #192a1f;
  --color-blue:           #5ba0db;
  --color-blue-highlight: #1a2633;
  --color-purple:         #a87bdb;
  --color-purple-highlight: #241a33;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #111110;
    --color-surface:        #191918;
    --color-surface-2:      #1f1f1e;
    --color-surface-offset: #1c1c1b;
    --color-surface-offset-2: #222221;
    --color-surface-dynamic: #2a2a28;
    --color-divider:        #2e2e2c;
    --color-border:         #3a3a37;
    --color-text:           #d8d7d4;
    --color-text-muted:     #8a8986;
    --color-text-faint:     #5a5957;
    --color-text-inverse:   #191918;
    --color-primary:        #4db8bf;
    --color-primary-hover:  #3aa0a7;
    --color-primary-active: #2a8891;
    --color-primary-highlight: #1d3133;
    --color-warning:        #e0883e;
    --color-warning-highlight: #2d2218;
    --color-error:          #e85d4f;
    --color-error-highlight: #2d1a17;
    --color-success:        #5cb87a;
    --color-success-highlight: #192a1f;
    --color-blue:           #5ba0db;
    --color-blue-highlight: #1a2633;
    --color-purple:         #a87bdb;
    --color-purple-highlight: #241a33;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  }
}

/* ═══════════════════════════════════════════
   DASHBOARD LAYOUT
   ═══════════════════════════════════════════ */
html, body { height: 100%; overflow: hidden; margin: 0; }

.dashboard {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: var(--header-height) 1fr;
  height: 100dvh;
  background: var(--color-bg);
}

/* ─── SIDEBAR ─── */
.sidebar {
  grid-row: 1 / -1;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 20;
  transition: width 300ms var(--ease-out), transform 300ms var(--ease-out);
  width: var(--sidebar-width);
}

/* Collapsed sidebar */
.sidebar.collapsed {
  width: var(--sidebar-collapsed);
  overflow: visible;
}
.sidebar.collapsed .logo-text,
.sidebar.collapsed .logo-sub,
.sidebar.collapsed .sidebar-section-label { display: none; }
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .nav-link .nav-label { display: none; }
.sidebar.collapsed .nav-link { justify-content: center; padding: var(--space-2); }
.sidebar.collapsed .nav-link svg { margin: 0; }
.sidebar.collapsed .sidebar-logo { justify-content: center; padding: var(--space-3); }
.sidebar.collapsed .sidebar-nav { padding: var(--space-2) var(--space-1); }

/* Sidebar toggle button */
.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  margin: var(--space-2) var(--space-2) 0;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: all var(--transition-interactive);
}
.sidebar-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }
.sidebar-toggle svg { width: 18px; height: 18px; }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  min-height: var(--header-height);
}
.sidebar-logo svg { flex-shrink: 0; }
.sidebar-logo .logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.sidebar-logo .logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-2) var(--space-2);
  list-style: none;
}

.sidebar-nav li { margin-bottom: 1px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.nav-link:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.nav-link.active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-weight: 600;
}
.nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.65;
}
.nav-link.active svg { opacity: 1; }

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding: var(--space-4) var(--space-3) var(--space-1) var(--space-3);
}

/* ─── HEADER ─── */
.header {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
  min-height: var(--header-height);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hamburger {
  display: none;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.hamburger svg { width: 20px; height: 20px; }

.header-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  min-width: 200px;
}
.header-search svg { width: 14px; height: 14px; flex-shrink: 0; }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-updated {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums lining-nums;
}

.theme-toggle {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.theme-toggle svg { width: 18px; height: 18px; }

/* ─── MAIN ─── */
.main {
  grid-column: 2;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-5);
}

/* ═══════════════════════════════════════════
   KPI CARDS
   ═══════════════════════════════════════════ */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.kpi-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: box-shadow var(--transition-interactive);
}
.kpi-card:hover { box-shadow: var(--shadow-md); }

.kpi-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-value {
  font-size: var(--text-xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  line-height: 1.1;
  color: var(--color-text);
}

.kpi-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums lining-nums;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.kpi-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.kpi-indicator.green { background: var(--color-success); }
.kpi-indicator.amber { background: var(--color-warning); }
.kpi-indicator.red { background: var(--color-error); }

/* ═══════════════════════════════════════════
   TRENDING SECTION
   ═══════════════════════════════════════════ */
.trending-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.panel {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.panel-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Trending entity list */
.trending-list { list-style: none; }
.trending-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-divider);
}
.trending-item:last-child { border-bottom: none; }

.trending-rank {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 600;
  width: 18px;
  font-variant-numeric: tabular-nums;
}
.trending-info { flex: 1; min-width: 0; }
.trending-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trending-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 2px;
}
.trending-changes {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.trending-sparkline {
  width: 50px;
  height: 16px;
  flex-shrink: 0;
}

/* Source reliability chart */
.chart-container {
  position: relative;
  height: 240px;
}

.chart-legend-inline {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

/* ═══════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.6;
  white-space: nowrap;
}

/* Status badges */
.badge-operating { background: var(--color-success-highlight); color: var(--color-success); }
.badge-under-construction { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-planned { background: var(--color-blue-highlight); color: var(--color-blue); }
.badge-shutdown { background: var(--color-surface-offset-2); color: var(--color-text-faint); }
.badge-decommissioned { background: var(--color-error-highlight); color: var(--color-error); }

/* Type badges */
.badge-plant { background: var(--color-primary-highlight); color: var(--color-primary); }
.badge-dc { background: var(--color-blue-highlight); color: var(--color-blue); }
.badge-project { background: var(--color-purple-highlight); color: var(--color-purple); }
.badge-grid { background: var(--color-surface-offset-2); color: var(--color-text-muted); }

/* Tier badges */
.badge-t1 { background: var(--color-primary); color: var(--color-text-inverse); }
.badge-t2 { background: var(--color-blue); color: #fff; }
.badge-t3 { background: var(--color-warning); color: #fff; }
.badge-t4 { background: var(--color-surface-dynamic); color: var(--color-text-muted); }
.badge-t5 { background: var(--color-surface-offset); color: var(--color-text-faint); }

/* Severity badges */
.badge-low { background: var(--color-success-highlight); color: var(--color-success); }
.badge-medium { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-high { background: var(--color-error-highlight); color: var(--color-error); }
.badge-critical { background: var(--color-error); color: #fff; }

/* Event type badges */
.badge-status-change { background: var(--color-success-highlight); color: var(--color-success); }
.badge-announcement { background: var(--color-blue-highlight); color: var(--color-blue); }
.badge-retraction { background: var(--color-error-highlight); color: var(--color-error); }
.badge-correction { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-conflict { background: var(--color-purple-highlight); color: var(--color-purple); }

/* ═══════════════════════════════════════════
   LIVE EVENT FEED
   ═══════════════════════════════════════════ */
.event-feed {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.event-feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.event-feed-header .panel-title { margin-bottom: 0; }

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-success);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-live 2s ease-in-out infinite;
}
@keyframes pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.feed-pause-btn {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-interactive);
}
.feed-pause-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.event-feed-list {
  list-style: none;
  max-height: 340px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.event-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
  animation: slideIn 300ms var(--ease-out);
}
.event-item:hover { background: var(--color-surface-offset); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.event-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}
.event-dot.low { background: var(--color-success); }
.event-dot.medium { background: var(--color-warning); }
.event-dot.high { background: var(--color-error); }
.event-dot.critical { background: var(--color-error); box-shadow: 0 0 0 2px var(--color-error-highlight); }

.event-content { flex: 1; min-width: 0; }
.event-title {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}
.event-details {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 2px;
}
.event-time {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════
   ENTITY CARDS
   ═══════════════════════════════════════════ */
.entity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.entity-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.entity-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.entity-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.entity-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.entity-location {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.entity-metric {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}
.entity-metric-value {
  font-size: var(--text-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--color-text);
}
.entity-metric-unit {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Provenance health bar */
.prov-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--color-surface-offset-2);
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.prov-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 600ms var(--ease-out);
}
.prov-bar-fill.green { background: var(--color-success); }
.prov-bar-fill.amber { background: var(--color-warning); }
.prov-bar-fill.red { background: var(--color-error); }

.entity-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.entity-conf {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}
.entity-conflict-icon {
  color: var(--color-warning);
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
}

/* ═══════════════════════════════════════════
   DETAIL PANEL (slide-in)
   ═══════════════════════════════════════════ */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
}
.detail-overlay.open { opacity: 1; visibility: visible; }

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(560px, 90vw);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 51;
  transform: translateX(100%);
  transition: transform 300ms var(--ease-out);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.detail-panel.open { transform: translateX(0); }

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  flex-shrink: 0;
}
.detail-header h2 {
  font-size: var(--text-lg);
  font-weight: 700;
}
.detail-close {
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.detail-close:hover { background: var(--color-surface-offset); color: var(--color-text); }

.detail-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-5);
}

.detail-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
  margin-top: var(--space-5);
}
.detail-section-title:first-child { margin-top: 0; }

/* Provenance table */
.prov-table {
  font-size: var(--text-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.prov-table th,
.prov-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
  font-variant-numeric: tabular-nums lining-nums;
}
.prov-table th {
  background: var(--color-surface-offset);
  font-weight: 600;
  color: var(--color-text-muted);
  position: sticky;
  top: 0;
}
.prov-table td { color: var(--color-text); }
.prov-table tr:last-child td { border-bottom: none; }
.prov-table tr:hover td { background: var(--color-surface-offset); }

/* Confidence bar in table */
.conf-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.conf-bar-track {
  width: 48px;
  height: 4px;
  background: var(--color-surface-offset-2);
  border-radius: 2px;
  overflow: hidden;
}
.conf-bar-fill {
  height: 100%;
  border-radius: 2px;
}

/* Unknown field striped background */
.field-unknown {
  background: repeating-linear-gradient(
    45deg,
    var(--color-surface-offset),
    var(--color-surface-offset) 4px,
    var(--color-surface-offset-2) 4px,
    var(--color-surface-offset-2) 8px
  );
  color: var(--color-text-faint) !important;
  font-style: italic;
}

/* ═══════════════════════════════════════════
   EVENTS TABLE VIEW
   ═══════════════════════════════════════════ */
.data-table {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.data-table table {
  font-size: var(--text-xs);
}
.data-table th,
.data-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
  font-variant-numeric: tabular-nums lining-nums;
  white-space: nowrap;
}
.data-table th {
  background: var(--color-surface-offset);
  font-weight: 600;
  color: var(--color-text-muted);
  position: sticky;
  top: 0;
  z-index: 1;
  cursor: pointer;
  user-select: none;
}
.data-table th:hover { color: var(--color-text); }
.data-table td { color: var(--color-text); }
.data-table tr:hover td { background: var(--color-surface-offset); }

/* Source row expandable */
.source-expand-btn {
  font-size: var(--text-xs);
  color: var(--color-primary);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.source-expand-btn:hover { background: var(--color-primary-highlight); }

/* ═══════════════════════════════════════════
   SKELETON LOADERS
   ═══════════════════════════════════════════ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-offset) 25%,
    var(--color-surface-offset-2) 50%,
    var(--color-surface-offset) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-kpi {
  height: 80px;
  border-radius: var(--radius-lg);
}
.skeleton-card {
  height: 160px;
  border-radius: var(--radius-lg);
}
.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
}
.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }

/* ═══════════════════════════════════════════
   VIEW HEADER
   ═══════════════════════════════════════════ */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}
.view-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.view-count {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .entity-grid { grid-template-columns: repeat(2, 1fr); }
  .trending-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-height) 1fr auto;
  }

  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    grid-row: auto;
    border-right: none;
    border-top: 1px solid var(--color-border);
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    z-index: 30;
    transform: none;
    padding: 0;
    background: var(--color-surface);
  }

  .sidebar-logo { display: none; }
  .sidebar-section-label { display: none; }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    padding: 0;
    gap: 0;
    width: 100%;
    justify-content: space-around;
  }
  .sidebar-nav li { margin-bottom: 0; flex: 1; }

  .nav-link {
    flex-direction: column;
    gap: 2px;
    padding: var(--space-2) var(--space-1);
    font-size: 9px;
    text-align: center;
    justify-content: center;
    align-items: center;
    min-height: 52px;
    border-radius: 0;
  }
  .nav-link svg { width: 20px; height: 20px; }
  .nav-link .nav-label { display: block; }

  .header { grid-column: 1; }
  .header-search { display: none; }
  .hamburger { display: none; }

  .main {
    grid-column: 1;
    padding: var(--space-3);
    padding-bottom: 64px;
  }

  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .kpi-row .kpi-card:last-child {
    grid-column: span 2;
  }

  .entity-grid { grid-template-columns: 1fr; }

  .detail-panel {
    top: auto;
    right: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    max-height: 85vh;
    border-left: none;
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
  }
  .detail-panel.open { transform: translateY(0); }

  .data-table { overflow-x: auto; }
}

/* ═══════════════════════════════════════════
   TABULAR NUMS global
   ═══════════════════════════════════════════ */
[data-numeric] {
  font-variant-numeric: tabular-nums lining-nums;
}

/* Number animation */
@property --num {
  syntax: '<integer>';
  initial-value: 0;
  inherits: false;
}

.animate-num {
  transition: --num 600ms var(--ease-out);
  counter-reset: num var(--num);
}
.animate-num::after {
  content: counter(num);
}

/* Scrollbar styling */
.main::-webkit-scrollbar,
.event-feed-list::-webkit-scrollbar,
.detail-body::-webkit-scrollbar {
  width: 6px;
}
.main::-webkit-scrollbar-track,
.event-feed-list::-webkit-scrollbar-track,
.detail-body::-webkit-scrollbar-track {
  background: transparent;
}
.main::-webkit-scrollbar-thumb,
.event-feed-list::-webkit-scrollbar-thumb,
.detail-body::-webkit-scrollbar-thumb {
  background: var(--color-surface-dynamic);
  border-radius: 3px;
}

/* ═══════════════════════════════════════════
   CONTENT VISIBILITY for perf
   ═══════════════════════════════════════════ */
.entity-grid > * {
  content-visibility: auto;
  contain-intrinsic-size: 0 180px;
}

/* ═══════════════════════════════════════════
   ENHANCEMENT 2: Export Buttons
   ═══════════════════════════════════════════ */
.view-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.export-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
  border-color: var(--color-primary);
}
.export-btn svg { flex-shrink: 0; }

/* ═══════════════════════════════════════════
   ENHANCEMENT 3: Onboarding Tooltips
   ═══════════════════════════════════════════ */
.onboarding-tooltip {
  position: fixed;
  z-index: 1000;
  background: var(--color-surface-2);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  max-width: 320px;
  box-shadow: var(--shadow-lg), 0 0 0 4px var(--color-primary-highlight);
  animation: tooltipIn 300ms var(--ease-out);
}
@keyframes tooltipIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.onboarding-step-count {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.onboarding-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.onboarding-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}
.onboarding-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.onboarding-skip {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.onboarding-skip:hover { color: var(--color-text-muted); }
.onboarding-next {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-interactive);
}
.onboarding-next:hover { background: var(--color-primary-hover); }

.onboarding-highlight {
  z-index: 999;
  box-shadow: 0 0 0 4px var(--color-primary-highlight), 0 0 0 6px var(--color-primary);
  border-radius: var(--radius-lg);
}

/* ═══════════════════════════════════════════
   ENHANCEMENT 4: Command Palette
   ═══════════════════════════════════════════ */
.cmd-palette {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: min(20vh, 160px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease, visibility 150ms ease;
}
.cmd-palette.open { opacity: 1; visibility: visible; }

.cmd-palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.cmd-palette-dialog {
  position: relative;
  width: min(560px, 90vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: cmdSlideIn 200ms var(--ease-out);
}
@keyframes cmdSlideIn {
  from { opacity: 0; transform: translateY(-12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.cmd-palette-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.cmd-palette-input-wrap svg {
  flex-shrink: 0;
  color: var(--color-text-faint);
}
.cmd-palette-input-wrap input {
  flex: 1;
  border: none;
  background: none;
  font-size: var(--text-base);
  color: var(--color-text);
  outline: none;
}
.cmd-palette-input-wrap input::placeholder { color: var(--color-text-faint); }
.cmd-palette-input-wrap kbd {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-offset-2);
  color: var(--color-text-faint);
  border: 1px solid var(--color-divider);
  font-family: var(--font-body);
}

.cmd-palette-results {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-2);
}

.cmd-palette-empty {
  padding: var(--space-4);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.cmd-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-interactive);
}
.cmd-palette-item:hover,
.cmd-palette-item.selected {
  background: var(--color-surface-offset);
}
.cmd-result-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.cmd-result-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
}

.cmd-palette-footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: 10px;
  color: var(--color-text-faint);
}
.cmd-palette-footer kbd {
  font-size: 9px;
  padding: 0 4px;
  border-radius: 2px;
  background: var(--color-surface-offset-2);
  border: 1px solid var(--color-divider);
  margin-right: 2px;
  font-family: var(--font-body);
}

/* ═══════════════════════════════════════════
   ENHANCEMENT 5: Notification Preferences Modal
   ═══════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease, visibility 150ms ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal-dialog {
  width: min(440px, 90vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.modal-header h3 {
  font-size: var(--text-base);
  font-weight: 700;
}

.modal-body {
  padding: var(--space-4) var(--space-5);
}

.modal-section {
  margin-bottom: var(--space-4);
}
.modal-section:last-child { margin-bottom: 0; }

.modal-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-2);
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.checkbox-label:has(input:checked),
.radio-label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.checkbox-label input,
.radio-label input {
  width: 14px;
  height: 14px;
  accent-color: var(--color-primary);
}

.modal-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: flex-end;
}

.modal-save-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-interactive);
}
.modal-save-btn:hover { background: var(--color-primary-hover); }

/* ═══════════════════════════════════════════
   ENHANCEMENT 8: Offline Banner
   ═══════════════════════════════════════════ */
.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-warning-highlight);
  border-bottom: 2px solid var(--color-warning);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-warning);
  animation: bannerSlide 300ms var(--ease-out);
}
.offline-banner svg { flex-shrink: 0; }
.offline-banner button {
  margin-left: var(--space-3);
  font-size: 16px;
  line-height: 1;
  color: var(--color-warning);
  cursor: pointer;
  opacity: 0.7;
}
.offline-banner button:hover { opacity: 1; }
@keyframes bannerSlide {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   HEADER SEARCH — clickable for command palette
   ═══════════════════════════════════════════ */
.header-search { cursor: pointer; }
.header-search:hover {
  background: var(--color-surface-offset-2);
}

/* ═══════════════════════════════════════════
   OUTAGE TABLE STYLES
   ═══════════════════════════════════════════ */
.outage-table tr:hover td {
  background: var(--color-surface-offset);
}
.outage-active td {
  background: rgba(245, 158, 11, 0.08) !important;
  border-left: 3px solid var(--color-warning);
}
.outage-past td {
  opacity: 0.5;
}
.outage-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE POLISH
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    width: 240px;
    z-index: 1000;
    transition: left .3s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,.15);
  }
  .sidebar.open { left: 0; }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 999;
  }
  .sidebar-overlay.visible { display: block; }

  .main { margin-left: 0 !important; padding: 1rem !important; }
  .header { left: 0 !important; padding-left: 1rem !important; }
  .hamburger { display: flex !important; }

  .kpi-strip {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: .75rem !important;
  }
  .kpi-card { padding: .75rem !important; }
  .kpi-value { font-size: 1.5rem !important; }

  .trending-grid {
    grid-template-columns: 1fr !important;
  }

  .data-table { font-size: .8rem; }
  .data-table th, .data-table td { padding: .5rem .4rem; }

  .view-header { flex-direction: column; gap: .5rem; }
  .view-header-actions { width: 100%; justify-content: flex-start; }

  .card { padding: 1rem !important; }

  /* Touch-friendly filter selects */
  .filter-select, select { min-height: 38px; font-size: 16px !important; }

  /* Workforce table responsive */
  #wfTable { display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
  .kpi-strip { grid-template-columns: 1fr !important; }
  .header-left .search-box { display: none; }
}

/* Shortcut modal */
#shortcutModal kbd {
  font-weight: 600;
  border: 1px solid var(--color-border);
}

/* Rate limit banner */
.rate-limit-banner {
  background: #fef3cd;
  color: #856404;
  padding: .5rem 1rem;
  text-align: center;
  font-size: .85rem;
}

[data-theme="dark"] .rate-limit-banner {
  background: #332700;
  color: #ffd54f;
}