/* ── SENTINEL Design System ─────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
  /* Dark mode (default) */
  --bg-primary: #050505;
  --bg-secondary: #0a0a0c;
  --bg-tertiary: #121214;
  --bg-elevated: #1a1a1c;
  --border: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.12);
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1A8;
  --text-tertiary: #63636B;

  /* Accent colors — same in both modes */
  --red: #FF2E4C;
  --red-dim: rgba(255,46,76,0.12);
  --red-border: rgba(255,46,76,0.25);
  --green: #00E676;
  --green-dim: rgba(0,230,118,0.10);
  --green-border: rgba(0,230,118,0.22);
  --yellow: #FFAB00;
  --yellow-dim: rgba(255,171,0,0.10);
  --yellow-border: rgba(255,171,0,0.22);
  --blue: #2979FF;
  --blue-dim: rgba(41,121,255,0.10);
  --blue-border: rgba(41,121,255,0.22);
  --purple: #D500F9;
  --purple-dim: rgba(213,0,249,0.10);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
  --shadow-red: 0 0 24px rgba(255,46,76,0.25);
  --shadow-green: 0 0 24px rgba(0,230,118,0.15);

  /* Transitions */
  --transition: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 300ms cubic-bezier(0.34,1.56,0.64,1);
}

[data-theme="light"] {
  --bg-primary: #FAFAFA;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F4F4F5;
  --bg-elevated: #FFFFFF;
  --border: rgba(0,0,0,0.06);
  --border-strong: rgba(0,0,0,0.12);
  --text-primary: #09090B;
  --text-secondary: #52525B;
  --text-tertiary: #A1A1AA;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.08);
  --shadow-red: 0 0 24px rgba(255,46,76,0.15);
  --shadow-green: 0 0 24px rgba(0,230,118,0.1);

  /* Accent dims — lighter for white backgrounds */
  --red-dim: rgba(255,46,76,0.08);
  --red-border: rgba(255,46,76,0.15);
  --green-dim: rgba(0,230,118,0.08);
  --green-border: rgba(0,230,118,0.15);
  --yellow-dim: rgba(255,171,0,0.08);
  --yellow-border: rgba(255,171,0,0.15);
  --blue-dim: rgba(41,121,255,0.08);
  --blue-border: rgba(41,121,255,0.15);
  --purple-dim: rgba(213,0,249,0.08);

  /* Accent text — slightly darker for light mode readability */
  --red: #E11D48;
  --green: #16A34A;
  --yellow: #D97706;
  --blue: #2563EB;
  --purple: #9333EA;
}

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

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* ── Typography ─────────────────────────────────────────────────────────── */
.hero-number {
  font-family: var(--font-heading);
  font-size: clamp(56px, 8vw, 80px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}
.hero-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
h1, h2, h3, h4 { font-family: var(--font-heading); }
h1 { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 18px; font-weight: 600; }
h4 { font-size: 16px; font-weight: 600; }
p  { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }
small { font-size: 13px; color: var(--text-secondary); }
.mono { font-family: var(--font-mono); font-size: 13px; }

/* ── Icon system — inline SVG, currentColor, theme-adaptive ─────────────── */
.icon {
  display: inline-block;
  vertical-align: -3px;
  flex-shrink: 0;
  stroke: currentColor;
}
.icon-lg { vertical-align: -6px; }
.icon-sm { vertical-align: -2px; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 100vh;
  min-height: 100vh;
}

.sidebar {
  background: rgba(20, 20, 22, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 10;
}
[data-theme="light"] .sidebar {
  background: rgba(255, 255, 255, 0.75);
}

.main-content {
  overflow-y: auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content > *:not(.dashboard-footer) {
  flex-shrink: 0;
}
.main-content > .dashboard-footer {
  margin-top: auto;
}

/* ── Views ──────────────────────────────────────────────────────────────── */
.view { display: none; }
.view.active { display: block; }

/* ── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-5);
}
.logo-icon {
  width: 36px; height: 36px;
  background: var(--red);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white;
  box-shadow: var(--shadow-red);
  flex-shrink: 0;
}
.logo-text { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.logo-sub  { font-size: 11px; color: var(--text-secondary); font-weight: 500; }

.nav-section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
  margin-top: var(--space-4);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active {
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}
.nav-item .nav-icon { width: 16px; text-align: center; flex-shrink: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-sources {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.source-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: 12px;
  color: var(--text-secondary);
}
.source-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.source-dot.connected { background: var(--green); box-shadow: 0 0 6px var(--green); }
.source-dot.live      { background: var(--green); box-shadow: 0 0 5px var(--green); }
.source-dot.warning   { background: var(--yellow); }
.source-dot.demo      { background: var(--blue); }

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: rgba(20, 20, 22, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-spring);
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .card {
  background: rgba(255, 255, 255, 0.7);
}
.card:hover { 
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card.warning-card {
  border-color: var(--red-border);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-red);
}
.card.success-card {
  border-color: var(--green-border);
  box-shadow: var(--shadow-green);
}

/* ── Warning Banner ─────────────────────────────────────────────────────── */
.warning-banner {
  background: linear-gradient(135deg, rgba(255,59,48,0.08) 0%, rgba(255,59,48,0.04) 100%);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}
.warning-banner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--red);
}
.warning-pulse {
  width: 10px; height: 10px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255,59,48,0.4); }
  50%       { opacity: 0.8; box-shadow: 0 0 0 6px rgba(255,59,48,0); }
}

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}
.badge-red    { background: var(--red-dim);    color: var(--red);    border: 1px solid var(--red-border); }
.badge-green  { background: var(--green-dim);  color: var(--green);  border: 1px solid var(--green-border); }
.badge-yellow { background: var(--yellow-dim); color: var(--yellow); border: 1px solid var(--yellow-border); }
.badge-blue   { background: var(--blue-dim);   color: var(--blue);   border: 1px solid var(--blue-border); }
.badge-purple { background: var(--purple-dim); color: var(--purple); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-spring);
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-heading);
}
.btn:hover    { transform: translateY(-2px) scale(1.02); box-shadow: var(--shadow-md); }
.btn:active   { transform: translateY(0) scale(0.98); }
.btn-primary  { background: linear-gradient(135deg, var(--blue), #448AFF); color: white; box-shadow: 0 4px 12px rgba(41,121,255,0.25); }
.btn-primary:hover { box-shadow: 0 6px 16px rgba(41,121,255,0.35); }
.btn-danger   { background: linear-gradient(135deg, var(--red), #FF5252); color: white; box-shadow: 0 4px 12px rgba(255,46,76,0.25); }
.btn-danger:hover { box-shadow: 0 6px 16px rgba(255,46,76,0.35); }
.btn-ghost    { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-elevated); }
.btn-sm       { padding: 6px 12px; font-size: 13px; }
.btn-lg       { padding: 13px 28px; font-size: 16px; }
#live-scan-btn[data-loading] { opacity: 0.6; cursor: wait; }
#live-scan-btn[data-loading] .icon { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Forms ──────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(10,132,255,0.15);
}
.form-textarea { min-height: 100px; resize: vertical; line-height: 1.6; }
.form-select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Modal ──────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  animation: fadeIn 200ms ease;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 300ms cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}
.modal-header h2 { display: flex; align-items: center; gap: var(--space-2); }
.modal-close {
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 30px; height: 30px;
  border-radius: 50%;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-elevated); color: var(--text-primary); }

/* ── Decision Log Table ──────────────────────────────────────────────────── */
.decision-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.decision-table th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.decision-table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}
.decision-table tr:last-child td { border-bottom: none; }
.decision-table tbody tr {
  cursor: pointer;
  transition: background var(--transition);
}
.decision-table tbody tr:hover { background: var(--bg-tertiary); }

/* ── Causal Trace / Investigation Board ─────────────────────────────────── */
.trace-view {
  padding: var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
}

.trace-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.warning-counter {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--red-dim);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-lg);
  animation: glow-red 3s ease-in-out infinite;
}
@keyframes glow-red {
  0%, 100% { box-shadow: 0 0 20px rgba(255,59,48,0.1); }
  50%       { box-shadow: 0 0 40px rgba(255,59,48,0.2); }
}

.timeline-container {
  position: relative;
  padding: var(--space-8) 0;
  overflow-x: auto;
}

.timeline-svg-wrapper {
  width: 100%;
  min-width: 700px;
}

.timeline-events {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
  padding: 40px var(--space-6) 24px;
}

.timeline-event {
  flex: 1;
  min-width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms ease, transform 400ms ease;
}
.timeline-event.visible {
  opacity: 1;
  transform: translateY(0);
}

.event-node {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  position: relative;
  z-index: 2;
  transition: all var(--transition-spring);
}
.event-node.decision { border-color: var(--blue);   background: var(--blue-dim);   color: var(--blue); }
.event-node.signal   { border-color: var(--yellow);  background: var(--yellow-dim);  color: var(--yellow); }
.event-node.outcome  { border-color: var(--red);     background: var(--red-dim);     color: var(--red);
  box-shadow: var(--shadow-red); }
.event-node.root-cause {
  border-color: var(--red);
  background: var(--red-dim);
  color: var(--red);
  box-shadow: 0 0 0 4px rgba(255,59,48,0.15), var(--shadow-red);
}

.event-connector {
  position: absolute;
  top: 23px;
  left: calc(50% + 24px);
  right: calc(-50% + 24px);
  height: 2px;
  background: var(--border);
  z-index: 1;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 500ms ease;
}
.event-connector.active {
  background: linear-gradient(90deg, var(--red), rgba(255,59,48,0.3));
  transform: scaleX(1);
}

.event-label {
  margin-top: var(--space-3);
  text-align: center;
  max-width: 120px;
}
.event-date  { font-size: 11px; color: var(--text-tertiary); margin-bottom: 3px; }
.event-title { font-size: 12px; font-weight: 600; color: var(--text-primary); line-height: 1.3; }
.event-desc  { display: none; }

/* Timeline tooltip is now rendered via JS as position:fixed — see renderTimeline() */
.event-tooltip { display: none; }

/* ── Educational Tooltips (Generic) ─────────────────────────────────────── */
.edu-tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: help;
  border-bottom: 1px dashed var(--text-secondary);
}
.edu-tooltip {
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  width: max-content;
  max-width: 280px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-spring);
  z-index: 100;
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
}
.edu-tooltip-wrap:hover .edu-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Info Button (ℹ hover tooltip) ─────────────────────────────────────── */
.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 10px;
  font-style: italic;
  font-weight: 700;
  cursor: help;
  position: relative;
  vertical-align: middle;
  margin-left: 5px;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  line-height: 1;
  user-select: none;
}
.info-btn:hover {
  background: var(--blue-dim);
  border-color: var(--blue);
  color: var(--blue);
}
/* .info-tip text is read by JS; rendered as position:fixed flyout outside stacking contexts */
.info-btn .info-tip { display: none !important; }
/* .info-tip content is read by JS — CSS hover is disabled in favour of fixed flyout */
.info-tip { display: none !important; }

/* ── Floating Guide (Onboarding) ────────────────────────────────────────── */
.floating-guide {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-8);
  background: rgba(41, 121, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  width: 320px;
  color: white;
  box-shadow: 0 12px 40px rgba(41,121,255,0.4);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-spring);
  pointer-events: none;
}
.floating-guide.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.guide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}
.guide-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.guide-desc {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-4);
}
.guide-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.guide-btn {
  background: white;
  color: var(--blue);
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.guide-btn:hover { background: #f0f0f0; transform: scale(1.05); }
.guide-skip {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  cursor: pointer;
}
.guide-skip:hover { color: white; }

/* ── Split screen — Then vs Now ─────────────────────────────────────────── */
.split-screen {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.split-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.split-panel.decision-time { border-color: var(--blue-border); }
.split-panel.outcome-time  { border-color: var(--red-border); }

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.metric-row:last-child { border-bottom: none; }
.metric-name  { color: var(--text-secondary); }
.metric-value { font-weight: 600; font-family: var(--font-mono); }
.metric-value.danger { color: var(--red); }
.metric-value.warning { color: var(--yellow); }
.metric-value.safe  { color: var(--green); }

/* ── Agent Activity Feed ─────────────────────────────────────────────────── */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 13px;
  color: var(--text-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  animation: activitySlide 300ms ease;
}
@keyframes activitySlide {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}
.activity-icon {
  width: 22px; height: 22px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.activity-icon.fivetran { background: var(--blue-dim); color: var(--blue); }
.activity-icon.gemini   { background: var(--purple-dim); color: var(--purple); }
.activity-icon.warning  { background: var(--red-dim); color: var(--red); }
.activity-icon.success  { background: var(--green-dim); color: var(--green); }
.activity-time { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

/* ── Landing Page ────────────────────────────────────────────────────────── */
.view.active { display: block; }
#view-landing.active { overflow-y: auto; }
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px var(--space-8) var(--space-16);
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,59,48,0.06) 0%, transparent 70%);
}
[data-theme="light"] .landing {
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,59,48,0.04) 0%, transparent 65%);
}
.landing-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.landing h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  max-width: 700px;
}
.landing-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  width: 100%;
  max-width: 700px;
  margin-bottom: var(--space-8);
}
.scenario-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-spring);
}
.scenario-card:hover {
  border-color: var(--red-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.scenario-card.selected {
  border-color: var(--red);
  box-shadow: var(--shadow-red);
}
.scenario-stat {
  font-size: 28px;
  font-weight: 800;
  color: var(--red);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.scenario-name { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.scenario-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ── Causal Intelligence Summary Bar ────────────────────────────────────── */
.causal-summary-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  align-items: center;
}
.csb-item { text-align: center; padding: var(--space-1) 0; }
.csb-value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.1; }
.csb-value.csb-green { color: var(--green); }
.csb-value.csb-yellow { color: var(--yellow); }
.csb-value.csb-red { color: var(--red); }
.csb-label { font-size: 12px; font-weight: 600; color: var(--text-primary); margin-top: 2px; }
.csb-sub { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.csb-cta { padding-left: var(--space-3); border-left: 1px solid var(--border); }
[data-theme="light"] .causal-summary-bar { background: var(--bg-elevated); }

/* ── Stat Cards Row ──────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.stat-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; }
.stat-change {
  font-size: 12px;
  font-weight: 600;
  margin-top: 4px;
}
.stat-change.up { color: var(--green); }
.stat-change.down { color: var(--red); }

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}
.page-title { display: flex; align-items: center; gap: var(--space-2); font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--text-primary); }
.page-actions { display: flex; gap: var(--space-3); align-items: center; }

/* ── Ask SENTINEL chat ───────────────────────────────────────────────────── */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.chat-messages {
  overflow-y: auto;
  padding: var(--space-6) var(--space-8) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-height: 80px;
}
.chat-bubble {
  max-width: 78%;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: 1.7;
  animation: fadeIn 200ms ease;
}
.chat-bubble.user {
  background: var(--blue);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 16px;
}
.chat-bubble.sentinel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
  max-width: 92%;
  width: 100%;
}
[data-theme="light"] .chat-bubble.sentinel { background: var(--bg-elevated); }
.chat-bubble.sentinel .sentinel-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}
.chat-bubble.sentinel .sentinel-label .model-tag {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: none;
}
/* Highlighted metric values in AI responses */
.chat-metric { font-weight: 700; color: var(--text-primary); }
.chat-metric.danger { color: var(--red); }
.chat-metric.good { color: var(--green); }
/* Source citation row */
.chat-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}
.chat-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 11px;
  color: var(--text-secondary);
}
.chat-confidence {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  margin-top: var(--space-2);
}
.chat-confidence.high { background: var(--green-dim); color: var(--green); border: 1px solid var(--green); }
.chat-confidence.mid  { background: var(--yellow-dim, var(--bg-tertiary)); color: var(--yellow); border: 1px solid var(--yellow); }

/* Ask tab: natural flow, input follows content */
.ask-tab-wrap {
  display: flex;
  flex-direction: column;
  padding-bottom: var(--space-10);
}
.ask-tab-wrap .page-header { flex-shrink: 0; }
.ask-chat-card {
  margin: var(--space-2) var(--space-8) 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
}
[data-theme="light"] .ask-chat-card { background: var(--bg-primary); box-shadow: 0 4px 24px rgba(0,0,0,0.06); }

/* Bottom input area */
.chat-bottom {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding-bottom: 10px;
}
.chat-input-row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
}
.chat-input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 11px 18px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}
.chat-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim); }
[data-theme="light"] .chat-input { background: var(--bg-primary); }
.chat-ask-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  white-space: nowrap;
}

/* ── Theme Toggle ────────────────────────────────────────────────────────── */
.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--bg-elevated); color: var(--text-primary); transform: scale(1.05); }
[data-theme="light"] .theme-toggle { color: var(--text-tertiary); }
[data-theme="light"] .theme-toggle:hover { color: var(--text-secondary); }

/* Global theme toggle — fixed top-right, always visible on every view */
.global-theme-toggle {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 200;
  box-shadow: var(--shadow-md);
  background: var(--bg-secondary);
  border-color: var(--border-strong);
}

/* ── Demo Scenario Selector (top bar) ──────────────────────────────────── */
.demo-bar {
  background: var(--blue-dim);
  border-bottom: 1px solid var(--blue-border);
  padding: var(--space-2) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 13px;
}
.demo-bar-label { color: var(--blue); font-weight: 600; }
.demo-pill {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--blue-border);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition);
}
.demo-pill:hover { background: var(--blue-dim); color: var(--blue); }
.demo-pill.active { background: var(--blue); color: white; border-color: var(--blue); }

/* ── Loading / Thinking ──────────────────────────────────────────────────── */
.thinking-dots span {
  animation: blink 1.4s ease-in-out infinite;
  font-size: 20px;
  line-height: 1;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40%            { opacity: 1;   transform: scale(1); }
}

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Utilities ───────────────────────────────────────────────────────────── */
.flex   { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.p-6    { padding: var(--space-6); }
.p-8    { padding: var(--space-8); }
.mb-2   { margin-bottom: var(--space-2); }
.mb-4   { margin-bottom: var(--space-4); }
.mb-6   { margin-bottom: var(--space-6); }
.mb-8   { margin-bottom: var(--space-8); }
.mt-4   { margin-top: var(--space-4); }
.mt-6   { margin-top: var(--space-6); }
.text-red    { color: var(--red); }
.text-green  { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-blue   { color: var(--blue); }
.text-secondary { color: var(--text-secondary); }
.font-mono  { font-family: var(--font-mono); }
.font-bold  { font-weight: 700; }
.truncate   { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hidden     { display: none !important; }

/* ── Landing Stats Strip ─────────────────────────────────────────────────── */
.landing-stats-strip {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 760px;
  flex-wrap: wrap;
  justify-content: center;
}
.lstat { text-align: center; }
.lstat-num {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}
.lstat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.lstat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── Community Impact Section ────────────────────────────────────────────── */
.community-impact-section {
  width: 100%;
  max-width: 900px;
  margin-top: var(--space-10);
  text-align: center;
}
.community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  text-align: left;
}
@media (max-width: 768px) {
  .community-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .community-grid { grid-template-columns: 1fr; }
}
.community-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.community-num {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.community-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}
.community-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ── How It Works ────────────────────────────────────────────────────────── */
.how-it-works {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}
.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--space-3);
}
.section-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
}

.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: 100%;
}
.step-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-5) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--transition-spring);
}
.step-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.step-number {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 22px;
  background: var(--blue);
  color: white;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step-icon-lg {
  display: flex; align-items: center; justify-content: center;
  width: 50px; height: 50px;
  border-radius: var(--radius-lg);
  background: var(--red-dim);
  color: var(--red);
  margin-bottom: var(--space-3);
  margin-top: var(--space-2);
}
.step-name {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}
.step-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}
.step-tech {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: auto;
}
.step-arrow {
  font-size: 20px;
  color: var(--text-tertiary);
  padding: var(--space-4) 6px;
  padding-top: 50px;
  flex-shrink: 0;
}

/* ── Tech Stack Section ──────────────────────────────────────────────────── */
.tech-stack-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  text-align: left;
}
.tech-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-spring);
}
.tech-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.tech-logo { font-size: 24px; margin-bottom: var(--space-3); }
.tech-name {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}
.tech-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Ask SENTINEL suggestion chips ──────────────────────────────────────── */
.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--space-3) var(--space-5) var(--space-2);
}
.suggestion-chip {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.suggestion-chip:hover {
  background: var(--blue-dim);
  border-color: var(--blue-border);
  color: var(--blue);
}
.adk-toggle-row {
  display: flex;
  align-items: center;
  padding: 0 var(--space-5) var(--space-2);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Pearson tooltip ─────────────────────────────────────────────────────── */
.pearson-explain {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
  padding: var(--space-2) 0;
}
.pearson-explain:empty { display: none; }
.pearson-explain strong { color: var(--text-secondary); }

/* ── MCP call trace (agent log) ──────────────────────────────────────────── */
.mcp-call {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.mcp-call::before { content: '▶'; font-size: 9px; opacity: 0.6; }

/* ── Skeleton loading states ─────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-elevated) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 800px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
.skeleton-text  { height: 14px; margin-bottom: 8px; }
.skeleton-title { height: 22px; width: 60%; margin-bottom: 12px; }
.skeleton-stat  { height: 80px; border-radius: var(--radius-lg); }
.skeleton-row   { height: 52px; margin-bottom: 4px; border-radius: var(--radius-sm); }
.skeleton-card  { height: 120px; border-radius: var(--radius-lg); margin-bottom: 16px; }

.loading-overlay {
  position: absolute;
  inset: 0;
  background: var(--bg-primary);
  opacity: 0.8;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  border-radius: var(--radius-lg);
}
.gemini-thinking {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--text-secondary);
}
.gemini-thinking-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--purple);
  animation: pulse 1.2s ease-in-out infinite;
}
.gemini-thinking-dot:nth-child(2) { animation-delay: 0.2s; }
.gemini-thinking-dot:nth-child(3) { animation-delay: 0.4s; }

/* ── Live MCP call log in sidebar ───────────────────────────────────────── */
.mcp-log-feed {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 120px;
  overflow: hidden;
}
.mcp-call-item {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  gap: 4px;
  animation: activitySlide 200ms ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Transcript results ──────────────────────────────────────────────────── */
.transcript-decision-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  transition: border-color var(--transition);
}
.transcript-decision-card:hover { border-color: var(--blue-border); }

/* ── ADK reasoning trace (Ask SENTINEL) ──────────────────────────────────── */
.adk-trace {
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-bottom: 12px;
}
.adk-trace-head {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
}
.adk-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 0;
}
.adk-step-num {
  flex: 0 0 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.adk-step-tool { color: var(--text-primary); font-weight: 600; }
.adk-step-args { color: var(--text-tertiary); font-weight: 400; }
.adk-step-ok { margin-left: auto; font-weight: 700; }

/* ── Integration posture banner (honest live-vs-demo) ────────────────────── */
.ft-posture {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
}
.posture-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.posture-tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.posture-tag.live { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-border); }
.posture-tag.cfg  { background: var(--yellow-dim); color: var(--yellow); border: 1px solid var(--yellow-border); }
.posture-tag.demo { background: var(--blue-dim); color: var(--blue); border: 1px solid var(--blue-border); }
.posture-sub { font-size: 12px; color: var(--text-tertiary); }
.posture-sub code { font-family: var(--font-mono); font-size: 11px; background: var(--bg-tertiary); padding: 1px 5px; border-radius: 3px; }
.posture-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.posture-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: help;
}
.posture-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.posture-chip.live .posture-dot { background: var(--green); box-shadow: 0 0 5px var(--green); }
.posture-chip.live { border-color: var(--green-border); color: var(--green); }
.posture-chip.cfg .posture-dot  { background: var(--yellow); }
.posture-chip.cfg { border-color: var(--yellow-border); color: var(--yellow); }
.posture-chip.demo .posture-dot { background: var(--blue); }
.posture-chip.err .posture-dot  { background: var(--red); box-shadow: 0 0 5px var(--red); }
.posture-chip.err { border-color: var(--red-border); color: var(--red); }

/* ── Fivetran Platform panel ─────────────────────────────────────────────── */
.ft-summary-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.ft-summary-tile {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  transition: border-color var(--transition);
}
.ft-summary-tile:hover { border-color: var(--blue-border); }
.ft-summary-icon { display: flex; justify-content: center; align-items: center; margin-bottom: 6px; color: var(--text-secondary); }
.ft-summary-num { font-size: 26px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.ft-summary-label { font-size: 11px; color: var(--text-tertiary); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px; }

.ft-grid { display: grid; grid-template-columns: 1fr 360px; gap: var(--space-5); }

.ft-loading { padding: var(--space-4); font-size: 12px; color: var(--text-tertiary); font-family: var(--font-mono); }

.ft-conn-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
}
.ft-conn-row:last-child { border-bottom: none; }
.ft-conn-row:hover { background: var(--blue-dim); }
.ft-conn-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 9px; box-shadow: 0 0 5px currentColor; }
.ft-conn-main { flex: 1; min-width: 0; }
.ft-conn-name { font-size: 13px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 6px; }
.ft-conn-sub { font-size: 11px; color: var(--text-tertiary); font-family: var(--font-mono); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ft-tag { font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px; letter-spacing: 0.4px; }
.ft-tag.live { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-border); }
.ft-tag.demo { background: var(--surface-2); color: var(--text-tertiary); border: 1px solid var(--border); }

.ft-kv { display: flex; align-items: center; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.ft-kv:last-child { border-bottom: none; }
.ft-kv-k { color: var(--text-secondary); }
.ft-kv-v { color: var(--text-primary); font-weight: 600; }

.ft-dest { padding: 8px 0; border-bottom: 1px dashed var(--border); }
.ft-dest:last-child { border-bottom: none; }
.ft-dest-svc { font-size: 13px; font-weight: 600; color: var(--text-primary); }

.ft-hist-row { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px dashed var(--border); }
.ft-hist-row:last-child { border-bottom: none; }

.ft-event-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: var(--font-mono);
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  margin-bottom: 4px;
}

/* ── Dashboard Footer ───────────────────────────────────────────────────── */
.dashboard-footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-tertiary);
  flex-wrap: wrap;
}
.dashboard-footer .icon { opacity: 0.5; }
.dashboard-footer-sep {
  width: 1px;
  height: 12px;
  background: var(--border);
  flex-shrink: 0;
}
[data-theme="light"] .dashboard-footer { background: var(--bg-secondary); }

/* ── Inner sub-tabs (Impact Trace sections) ──────────────────────────────── */
.inner-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.inner-tabs::-webkit-scrollbar { display: none; }
.inner-tab {
  background: none;
  border: none;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.inner-tab:hover { color: var(--text-primary); background: var(--surface-hover); }
.inner-tab.active { color: var(--text-primary); border-bottom-color: var(--blue); font-weight: 600; }
[data-theme="light"] .inner-tab.active { border-bottom-color: var(--blue); }

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tab-fade-in { animation: tabFadeIn 0.18s ease forwards; }

/* ── Mobile hamburger ────────────────────────────────────────────────────── */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px 8px 4px 0;
  cursor: pointer;
  flex-shrink: 0;
}
.mobile-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: background 0.15s;
}
.mobile-menu-btn:hover span { background: var(--text-primary); }

/* ── Sidebar overlay (mobile) ────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* ── Responsive ──────────────────────────────────────────────────────────── */

/* Large monitors (1440px+) — give main content a comfortable max-width */
@media (min-width: 1440px) {
  .p-8 { padding: var(--space-8) calc(var(--space-8) + 24px); }
}

/* Narrow laptop / large tablet (1024px–1279px) — slightly narrower sidebar */
@media (max-width: 1279px) {
  .app-shell { grid-template-columns: 200px 1fr; }
  .causal-summary-bar { grid-template-columns: repeat(2, 1fr) auto; gap: var(--space-3); }
  .causal-summary-bar .csb-item:nth-child(1),
  .causal-summary-bar .csb-item:nth-child(2) { border-bottom: 1px solid var(--border); padding-bottom: var(--space-3); }
}

/* Tablet (768px–1023px) — hide sidebar by default, show on toggle */
@media (max-width: 1023px) {
  .app-shell { grid-template-columns: 1fr; }
  .mobile-menu-btn { display: flex; }
  .sidebar {
    position: fixed;
    left: -240px;
    top: 0;
    bottom: 0;
    z-index: 100;
    width: 240px;
    transition: left 0.22s cubic-bezier(0.4,0,0.2,1);
    height: 100vh;
    overflow-y: auto;
  }
  .sidebar.mobile-open { left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .causal-summary-bar { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .causal-summary-bar .csb-cta { grid-column: 1 / -1; justify-self: center; }
  .page-header { flex-wrap: wrap; gap: var(--space-3); }
  .demo-bar { flex-wrap: wrap; gap: var(--space-2); }
}

/* Mobile (max 767px) */
@media (max-width: 767px) {
  .split-screen { grid-template-columns: 1fr; }
  .page-header { padding: var(--space-4) var(--space-4) var(--space-3); flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .page-actions { flex-wrap: wrap; }
  .trace-view { padding: var(--space-4); }
  .steps-row { flex-direction: column; }
  .step-arrow { display: none; }
  .lstat-divider { display: none; }
  .tech-grid { grid-template-columns: 1fr; }
  .ft-summary-strip { grid-template-columns: repeat(2, 1fr); }
  .ft-grid { grid-template-columns: 1fr; }
  .p-8 { padding: var(--space-4); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .causal-summary-bar {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    padding: var(--space-3);
  }
  .causal-summary-bar .csb-item { padding: var(--space-3); }
  .causal-summary-bar .csb-value { font-size: 22px; }
  .causal-summary-bar .csb-cta { grid-column: 1 / -1; }
  .warning-counter { flex-direction: column; gap: var(--space-4); }
  .warning-counter > div:last-child { padding-left: 0; border-left: none; border-top: 1px solid var(--red-border); padding-top: var(--space-4); }
  .demo-pill { font-size: 12px; padding: 3px 10px; }
  /* overview two-col → single col */
  #tab-content-overview .p-8 > div[style*="grid-template-columns:1fr 340px"],
  #tab-content-overview .p-8 > div[style*="grid-template-columns: 1fr 340px"] {
    grid-template-columns: 1fr !important;
  }
  .ask-chat-card { margin: var(--space-2) var(--space-3) 0; }
  .inner-tab { padding: 7px 12px; font-size: 12px; }
  .dashboard-footer { font-size: 11px; flex-wrap: wrap; gap: var(--space-2); justify-content: center; }
  .dashboard-footer .footer-sep { display: none; }
}

/* ══════════════════════════════════════════════════════════════════════════
   LANDING PAGE — DEPTH SECTIONS
══════════════════════════════════════════════════════════════════════════ */

/* ── Landing hero improvements ────────────────────────────────────────── */
.landing-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.25);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.landing-live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 5px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

.text-gradient-red {
  background: linear-gradient(135deg, var(--red) 0%, #FF8C00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Landing Depth Tabs ──────────────────────────────────────────────── */
.landing-depth-section {
  width: 100%;
  max-width: 1020px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  background: var(--bg-secondary);
  overflow: hidden;
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-md);
}

.depth-tab-nav {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0 var(--space-2);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow-x: auto;
  scrollbar-width: none;
}
.depth-tab-nav::-webkit-scrollbar { display: none; }

.depth-tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px var(--space-5);
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  background: none;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.01em;
  transition: color var(--transition), border-color var(--transition);
}
.depth-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}
.depth-tab-btn.active {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom-color: var(--red);
}
.depth-tab-btn .icon { color: var(--text-tertiary); }
.depth-tab-btn.active .icon { color: var(--red); }
[data-theme="light"] .depth-tab-btn:hover { background: rgba(0,0,0,0.03); }
[data-theme="light"] .landing-depth-section { box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
[data-theme="light"] .depth-tab-nav { background: var(--bg-tertiary); }

.depth-tab-panel {
  display: none;
  padding: var(--space-8) var(--space-8);
  text-align: center;
  animation: depthPanelIn 180ms ease forwards;
}
.depth-tab-panel.active { display: block; }

@keyframes depthPanelIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.depth-tab-sep {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: var(--space-8) 0;
}

/* ── Section separator ────────────────────────────────────────────────── */
.landing-sep {
  width: 100%;
  max-width: 900px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: var(--space-10) 0;
}

/* ── Problem Section ─────────────────────────────────────────────────── */
.problem-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-12);
  text-align: center;
}

.problem-tagline {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: var(--space-4) auto var(--space-8);
  line-height: 1.6;
}

/* Crisis timeline */
.crisis-timeline-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: 100%;
  max-width: 900px;
  margin: var(--space-8) auto;
  position: relative;
}

.crisis-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.crisis-node::after {
  content: '';
  position: absolute;
  top: 21px;
  left: calc(50% + 22px);
  right: calc(-50% + 22px);
  height: 2px;
  background: linear-gradient(90deg, var(--border-strong), var(--red));
}
.crisis-node:last-child::after { display: none; }

.crisis-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 2;
}
.crisis-dot.d { border-color: var(--blue);   background: var(--blue-dim);   color: var(--blue); }
.crisis-dot.s { border-color: var(--yellow); background: var(--yellow-dim); color: var(--yellow); }
.crisis-dot.w { border-color: var(--yellow); background: var(--yellow-dim); color: var(--yellow); box-shadow: 0 0 10px rgba(255,171,0,0.3); }
.crisis-dot.c {
  border-color: var(--red);
  background: var(--red-dim);
  color: var(--red);
  box-shadow: var(--shadow-red);
  animation: glow-red 3s ease-in-out infinite;
}

.crisis-day {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.crisis-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  max-width: 110px;
  line-height: 1.3;
}
.crisis-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
  max-width: 100px;
  margin-top: 4px;
  line-height: 1.3;
}

/* Before/After split */
.problem-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  max-width: 860px;
  margin: var(--space-6) auto 0;
  text-align: left;
}
.problem-split-col {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--border);
}
.problem-split-col.bad {
  background: rgba(255,46,76,0.04);
  border-color: var(--red-border);
}
.problem-split-col.good {
  background: rgba(0,230,118,0.04);
  border-color: var(--green-border);
}
.problem-split-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}
.problem-split-col.bad .problem-split-tag { color: var(--red); }
.problem-split-col.good .problem-split-tag { color: var(--green); }
.problem-split-item {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.split-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
}
.split-ico.bad  { background: var(--red-dim);   color: var(--red); }
.split-ico.good { background: var(--green-dim); color: var(--green); }

/* ── VS Comparison Section ────────────────────────────────────────────── */
.vs-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-12);
  text-align: center;
}
.vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
  text-align: left;
}
.vs-col {
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--border);
}
.vs-col.without {
  background: var(--bg-secondary);
  opacity: 0.85;
}
.vs-col.with-sentinel {
  background: linear-gradient(135deg, rgba(41,121,255,0.06) 0%, rgba(41,121,255,0.02) 100%);
  border-color: var(--blue-border);
  position: relative;
}
.vs-col.with-sentinel::after {
  content: 'WITH SENTINEL';
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: white;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.vs-head {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.vs-col.without .vs-head { color: var(--text-secondary); }
.vs-col.with-sentinel .vs-head { color: var(--blue); }
.vs-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.5;
}
.vs-row:last-child { border-bottom: none; }
.vs-icon {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.vs-col.with-sentinel .vs-icon { background: var(--blue-dim); color: var(--blue); }
.vs-row-text { color: var(--text-secondary); }
.vs-col.with-sentinel .vs-row-text { color: var(--text-primary); }

/* ── Fivetran Depth Section ───────────────────────────────────────────── */
.fivetran-depth-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}

.fivetran-depth-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-full);
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.mcp-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-8);
  text-align: left;
}
.mcp-tool-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  transition: all var(--transition-spring);
}
.mcp-tool-card:hover {
  border-color: var(--blue-border);
  background: var(--blue-dim);
  transform: translateY(-1px);
}
.mcp-tool-icon {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--blue);
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.mcp-tool-name {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 2px;
}
.mcp-tool-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Bidirectional flow */
.bidir-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-8);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  flex-wrap: wrap;
}
.bidir-box {
  text-align: center;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  min-width: 110px;
}
.bidir-box.sentinel { background: var(--red-dim); border: 1px solid var(--red-border); }
.bidir-box.fivetran { background: var(--blue-dim); border: 1px solid var(--blue-border); }
.bidir-box.bigquery { background: var(--yellow-dim); border: 1px solid var(--yellow-border); }
.bidir-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.bidir-box.sentinel .bidir-label { color: var(--red); }
.bidir-box.fivetran .bidir-label { color: var(--blue); }
.bidir-box.bigquery .bidir-label { color: var(--yellow); }
.bidir-sub { font-size: 11px; color: var(--text-secondary); }
.bidir-arrows {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.bidir-arrow-up, .bidir-arrow-dn {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}
.bidir-arrow-up { color: var(--green); }
.bidir-arrow-dn { color: var(--blue); }
.bidir-mono {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
}

/* Webhook highlight */
.webhook-callout {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(0,230,118,0.05);
  border: 1px solid var(--green-border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-align: left;
}
.webhook-callout strong { color: var(--green); }
.webhook-callout-icon {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--green-dim);
  color: var(--green);
  flex-shrink: 0;
}

/* ── Causal Intelligence Section ──────────────────────────────────────── */
.causal-depth-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  text-align: left;
}
.method-card-deep {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-spring);
}
.method-card-deep:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.method-card-deep:nth-child(1):hover { border-color: var(--blue-border); }
.method-card-deep:nth-child(2):hover { border-color: var(--yellow-border); }
.method-card-deep:nth-child(3):hover { border-color: var(--green-border); }
.method-n {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.method-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.method-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: var(--space-3);
}
.method-badge.b { background: var(--blue-dim); color: var(--blue); border: 1px solid var(--blue-border); }
.method-badge.y { background: var(--yellow-dim); color: var(--yellow); border: 1px solid var(--yellow-border); }
.method-badge.g { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-border); }
.method-desc-deep {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}
.method-q-deep {
  font-size: 12px;
  font-style: italic;
  color: var(--text-tertiary);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

/* Bradford Hill grid */
.bh-intro {
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--yellow-dim);
  border: 1px solid var(--yellow-border);
  border-radius: var(--radius-lg);
  text-align: left;
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}
.bh-intro-icon {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  background: var(--yellow-dim);
  color: var(--yellow);
  flex-shrink: 0;
}
.bh-intro-text h4 { font-size: 15px; color: var(--yellow); margin-bottom: 6px; }
.bh-intro-text p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

.bh-criteria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
  text-align: left;
}
.bh-crit {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  cursor: default;
  transition: all var(--transition-spring);
}
.bh-crit:hover {
  border-color: var(--yellow-border);
  background: var(--yellow-dim);
  transform: translateY(-1px);
}
.bh-crit-n {
  font-size: 10px;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.bh-crit-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.bh-crit-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ── ADK Agent Section ────────────────────────────────────────────────── */
.adk-landing-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}

.adk-landing-trace {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: var(--space-8);
  text-align: left;
}
.adk-landing-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.adk-live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
.adk-header-model {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  padding: 1px 8px;
  border-radius: var(--radius-full);
}

.adk-landing-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.adk-landing-step:last-child { border-bottom: none; }
.adk-step-n {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.adk-step-body { flex: 1; }
.adk-step-fn {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}
.adk-step-what {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.adk-step-ret {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  margin-top: 6px;
  background: rgba(0,230,118,0.06);
  border: 1px solid var(--green-border);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.adk-step-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  flex-shrink: 0;
  font-family: var(--font-mono);
}

/* ── Impact Numbers Section ───────────────────────────────────────────── */
.impact-numbers-section {
  width: 100%;
  max-width: 1000px;
  margin-top: var(--space-16);
  text-align: center;
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.impact-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-spring);
}
.impact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.impact-num {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.impact-label {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.impact-src {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
  font-style: italic;
}

/* ── Final CTA Section ────────────────────────────────────────────────── */
.cta-final {
  width: 100%;
  max-width: 720px;
  margin-top: var(--space-16);
  text-align: center;
  padding: var(--space-12) var(--space-8);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 0%, rgba(255,46,76,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.cta-final h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  position: relative;
}
.cta-final p {
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto var(--space-8);
  position: relative;
}

/* Hero CTA row */
.hero-cta-row {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

/* Feature pills strip */
.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin: var(--space-6) 0;
}
.feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  white-space: nowrap;
}
.feature-pill.ft { background: var(--blue-dim); border-color: var(--blue-border); color: var(--blue); }
.feature-pill.gc { background: var(--yellow-dim); border-color: var(--yellow-border); color: var(--yellow); }
.feature-pill.rd { background: var(--red-dim); border-color: var(--red-border); color: var(--red); }
.feature-pill.gn { background: var(--green-dim); border-color: var(--green-border); color: var(--green); }

/* ── Responsive additions (landing page) ──────────────────────────────────── */
@media (max-width: 767px) {
  .vs-grid { grid-template-columns: 1fr; }
  .methods-grid { grid-template-columns: 1fr; }
  .bh-criteria-grid { grid-template-columns: repeat(2, 1fr); }
  .bidir-row { flex-direction: column; gap: var(--space-3); }
  .mcp-tools-grid { grid-template-columns: repeat(2, 1fr); }
  .crisis-timeline-row { flex-direction: column; align-items: center; gap: var(--space-4); }
  .crisis-node::after { display: none; }
  .problem-split { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-row { flex-direction: column; align-items: center; gap: var(--space-4); }
  .step-arrow { display: none; }
  .step-card { max-width: 400px; width: 100%; }
  .depth-tab-panel { padding: var(--space-5) var(--space-4); }
  .landing-depth-section { border-radius: var(--radius-lg); margin: 0 var(--space-3); }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-cta-row .btn { width: 100%; justify-content: center; }
}
@media (max-width: 1023px) {
  .hero-cta-row { flex-wrap: wrap; }
  .landing-depth-section { max-width: 100%; }
}

/* ── Scroll-reveal animations ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms cubic-bezier(0.4,0,0.2,1), transform 500ms cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }