/* ============================================
   TokenArch — THE ARCHITECTURE RACE
   Style: Mission-control aesthetic, serious/analytical
   Fonts: DM Serif Display (headings), DM Sans (body), JetBrains Mono (code)
   ============================================ */

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

/* --- Type Scale --- */
:root {
  --text-xs:   clamp(0.7rem,  0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.8rem,  0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.825rem + 0.35vw, 1rem);
  --text-lg:   clamp(1rem,    0.9rem  + 0.5vw,  1.25rem);
  --text-xl:   clamp(1.25rem, 0.95rem + 1vw,    1.75rem);
  --text-2xl:  clamp(1.5rem,  1rem    + 1.5vw,  2.5rem);
  --text-3xl:  clamp(2rem,    1rem    + 3vw,    3.5rem);

  /* --- 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;

  /* --- Fonts --- */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

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

  /* --- Easing --- */
  --ease-golden: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   DARK MODE (Default)
   ============================================ */
:root, [data-theme="dark"] {
  --color-bg:             #1A1A2E;
  --color-surface:        #1E1E36;
  --color-surface-2:      #24243E;
  --color-surface-offset: #16162B;
  --color-border:         rgba(255, 255, 255, 0.08);
  --color-border-strong:  rgba(255, 255, 255, 0.15);
  --color-divider:        rgba(255, 255, 255, 0.06);

  --color-text:           #E8E4DC;
  --color-text-muted:     #9A978F;
  --color-text-faint:     #5A5852;

  --color-gold:           #C9A84C;
  --color-gold-dim:       rgba(201, 168, 76, 0.15);
  --color-teal:           #4ABFAB;
  --color-teal-dim:       rgba(74, 191, 171, 0.12);
  --color-red:            #E74C3C;
  --color-red-dim:        rgba(231, 76, 60, 0.12);
  --color-yellow:         #F4D35E;
  --color-yellow-dim:     rgba(244, 211, 94, 0.12);

  --color-conventional-bg: rgba(231, 76, 60, 0.04);
  --color-governed-bg:     rgba(74, 191, 171, 0.04);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ============================================
   LIGHT MODE
   ============================================ */
[data-theme="light"] {
  --color-bg:             #F5F0E8;
  --color-surface:        #FDFBF7;
  --color-surface-2:      #F0EBE1;
  --color-surface-offset: #EAE5DA;
  --color-border:         rgba(0, 0, 0, 0.10);
  --color-border-strong:  rgba(0, 0, 0, 0.18);
  --color-divider:        rgba(0, 0, 0, 0.08);

  --color-text:           #1A1A2E;
  --color-text-muted:     #5A584E;
  --color-text-faint:     #9A978F;

  --color-gold:           #A68A30;
  --color-gold-dim:       rgba(166, 138, 48, 0.10);
  --color-teal:           #2E8B7A;
  --color-teal-dim:       rgba(46, 139, 122, 0.10);
  --color-red:            #C0392B;
  --color-red-dim:        rgba(192, 57, 43, 0.08);
  --color-yellow:         #B8941E;
  --color-yellow-dim:     rgba(184, 148, 30, 0.10);

  --color-conventional-bg: rgba(192, 57, 43, 0.04);
  --color-governed-bg:     rgba(46, 139, 122, 0.04);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* --- Body --- */
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* --- Tabular nums for data --- */
.data-value, .token-count, .cost-value, .metric-value, [data-numeric] {
  font-variant-numeric: tabular-nums lining-nums;
  font-family: var(--font-mono);
}

/* --- Accessible hidden --- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Focus ring --- */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Selection --- */
::selection {
  background: rgba(201, 168, 76, 0.25);
  color: var(--color-text);
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

.top-bar__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.top-bar__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-border);
}

/* ============================================
   QUESTION SELECTOR
   ============================================ */
.question-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-offset);
  flex-wrap: wrap;
}

.question-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex: 1;
}

.question-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  min-height: 44px;
}

.question-pill:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.question-pill.active {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background: var(--color-gold-dim);
}

.btn-race {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bg);
  background: var(--color-gold);
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  min-height: 44px;
  letter-spacing: 0.02em;
}

.btn-race:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
}

.btn-race:active {
  transform: translateY(0);
}

.btn-race:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   SPLIT SCREEN
   ============================================ */
.split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  min-height: 500px;
}

.panel {
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel--conventional {
  border-right: 1px solid var(--color-border);
}

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

.panel__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}

.panel--conventional .panel__title { color: var(--color-red); }
.panel--governed .panel__title { color: var(--color-teal); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
}

.badge--model {
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.badge--tier1 { color: var(--color-red); background: var(--color-red-dim); }
.badge--tier2 { color: var(--color-teal); background: var(--color-teal-dim); }
.badge--cached { color: var(--color-gold); background: var(--color-gold-dim); }

/* --- Token Counter --- */
.token-counter {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
}

.token-counter__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.token-counter__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
}

.panel--conventional .token-counter__value { color: var(--color-red); }
.panel--governed .token-counter__value { color: var(--color-teal); }

.cost-display {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-left: auto;
  font-variant-numeric: tabular-nums lining-nums;
}

/* --- Narrative / Output --- */
.narrative-box {
  flex: 1;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  line-height: 1.7;
  overflow-y: auto;
  max-height: 400px;
}

.narrative-box .cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-text);
  animation: blink 0.8s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 1px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Pipeline Steps (Governed side) --- */
.pipeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
  overflow-y: auto;
  max-height: 620px;
}

.pipeline-step {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0.3;
  transform: translateX(12px);
  transition: opacity 400ms var(--ease-golden), transform 400ms var(--ease-golden), border-color 300ms var(--ease-golden);
}

.pipeline-step.active {
  opacity: 1;
  transform: translateX(0);
  border-color: var(--color-teal);
  background: var(--color-governed-bg);
}

.pipeline-step.complete {
  opacity: 0.85;
  transform: translateX(0);
  border-color: var(--color-border);
}

.pipeline-step__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.pipeline-step__name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-teal);
}

.pipeline-step__cost {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums lining-nums;
}

.pipeline-step__body {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pipeline-step__sql {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-teal);
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 80px;
  overflow-y: auto;
  line-height: 1.4;
}

.pipeline-step__results {
  margin-top: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.metric-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-teal-dim);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-teal);
  font-variant-numeric: tabular-nums lining-nums;
}

/* --- Control badges --- */
.control-results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.control-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  transform: scale(0);
  transition: transform 300ms var(--ease-golden);
}

.control-badge.show {
  transform: scale(1);
}

.control-badge--pass {
  color: var(--color-teal);
  background: var(--color-teal-dim);
}

.control-badge--warn {
  color: var(--color-yellow);
  background: var(--color-yellow-dim);
}

.control-badge--fail {
  color: var(--color-red);
  background: var(--color-red-dim);
}

/* --- Narrative on governed side --- */
.governed-narrative {
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-teal);
  border-left: 3px solid var(--color-teal);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ============================================
   VERIFY PANEL
   ============================================ */
.verify-section {
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: none;
}

.verify-section.visible {
  display: block;
}

.btn-verify {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-bg);
  background: var(--color-teal);
  cursor: pointer;
  transition: all var(--transition-interactive);
  margin: 0 auto var(--space-6);
  min-height: 48px;
}

.btn-verify:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(74, 191, 171, 0.3);
}

.btn-verify.pulse {
  animation: pulse-glow 1.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 191, 171, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(74, 191, 171, 0); }
}

.verify-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.verify-claim {
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 400ms var(--ease-golden), transform 400ms var(--ease-golden);
}

.verify-claim.show {
  opacity: 1;
  transform: translateY(0);
}

.verify-claim__label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.verify-claim__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.verify-side {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
}

.verify-side--conventional {
  background: var(--color-red-dim);
  border: 1px solid rgba(231,76,60,0.2);
}

.verify-side--governed {
  background: var(--color-teal-dim);
  border: 1px solid rgba(74,191,171,0.2);
}

.verify-side__method {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.verify-side__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
}

.verify-side--conventional .verify-side__value {
  color: var(--color-red);
  text-decoration: line-through;
  text-decoration-color: var(--color-red);
}

.verify-side--governed .verify-side__value {
  color: var(--color-teal);
}

.verify-claim__explanation {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.btn-run-sql {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-interactive);
  min-height: 32px;
}

.btn-run-sql:hover {
  background: var(--color-teal-dim);
}

.sql-reveal {
  margin-top: var(--space-2);
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease-golden);
}

.sql-reveal.open {
  max-height: 600px;
  overflow-y: auto;
}

.sql-reveal__code {
  padding: var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-teal);
  white-space: pre-wrap;
  line-height: 1.4;
  overflow-x: auto;
}

.sql-reveal__result {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-teal-dim);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-teal);
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
}

/* --- Math doesn't hallucinate --- */
.math-reveal {
  text-align: center;
  padding: var(--space-8) 0;
  opacity: 0;
  transition: opacity 600ms var(--ease-golden);
}

.math-reveal.show {
  opacity: 1;
}

.math-reveal__text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.math-reveal__summary {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ============================================
   TOKEN ECONOMICS
   ============================================ */
.economics-section {
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: none;
}

.economics-section.visible {
  display: block;
}

.economics-section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.cost-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.cost-card {
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.cost-card__label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.cost-card--conventional .cost-card__label { color: var(--color-red); }
.cost-card--governed .cost-card__label { color: var(--color-teal); }

.cost-bar-track {
  height: 8px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.cost-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  width: 0;
  transition: width 800ms var(--ease-golden);
}

.cost-card--conventional .cost-bar-fill { background: var(--color-red); }
.cost-card--governed .cost-bar-fill { background: var(--color-teal); }

.cost-card__amount {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
}

.cost-card--conventional .cost-card__amount { color: var(--color-red); }
.cost-card--governed .cost-card__amount { color: var(--color-teal); }

/* --- Scale Slider --- */
.scale-section {
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.scale-section__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.scale-slider-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.scale-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  outline: none;
}

.scale-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-gold);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.scale-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-gold);
  cursor: pointer;
  border: 2px solid var(--color-bg);
}

.scale-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-gold);
  min-width: 100px;
  text-align: right;
  font-variant-numeric: tabular-nums lining-nums;
}

.scale-projections {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

.scale-card {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  text-align: center;
}

.scale-card--conventional { background: var(--color-red-dim); }
.scale-card--governed { background: var(--color-teal-dim); }
.scale-card--savings { background: var(--color-gold-dim); }

.scale-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.scale-card__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums lining-nums;
}

.scale-card--conventional .scale-card__value { color: var(--color-red); }
.scale-card--governed .scale-card__value { color: var(--color-teal); }
.scale-card--savings .scale-card__value { color: var(--color-gold); }

/* --- Toggle Buttons --- */
.toggle-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-interactive);
  min-height: 40px;
}

.toggle-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.toggle-btn.active {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background: var(--color-gold-dim);
}

/* ============================================
   HEADLINES PANEL
   ============================================ */
.headlines-section {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: none;
}

.headlines-section.visible {
  display: block;
}

.headlines-section__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.headline-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.headline-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.headline-card__verdict {
  flex-shrink: 0;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.verdict--aligned { color: var(--color-teal); background: var(--color-teal-dim); }
.verdict--partial { color: var(--color-yellow); background: var(--color-yellow-dim); }
.verdict--divergent { color: var(--color-red); background: var(--color-red-dim); }

.headline-card__text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.headline-card__source {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.headline-card__explanation {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  line-height: 1.5;
}

/* ============================================
   STATUS / INIT
   ============================================ */
.init-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: opacity 400ms var(--ease-golden);
}

.init-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.init-status {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.init-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-4);
}

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

/* ============================================
   QUESTION DISPLAY
   ============================================ */
.question-display {
  padding: var(--space-4) var(--space-6);
  text-align: center;
}

.question-display__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
}

/* ============================================
   IDLE / WAITING STATE
   ============================================ */
.panel__idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-8);
}

/* ============================================
   VERIFY BUTTON CENTER
   ============================================ */
.verify-trigger {
  display: flex;
  justify-content: center;
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: none;
}

.verify-trigger.visible {
  display: flex;
}

/* ============================================
   MOBILE (< 768px)
   ============================================ */
@media (max-width: 767px) {
  .top-bar {
    padding: var(--space-3) var(--space-4);
  }

  .question-bar {
    padding: var(--space-3) var(--space-4);
    flex-direction: column;
    align-items: stretch;
  }

  .question-pills {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-2);
  }

  .split-container {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mobile-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-tab {
    flex: 1;
    padding: var(--space-3);
    text-align: center;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    transition: all var(--transition-interactive);
    min-height: 44px;
  }

  .mobile-tab.active {
    color: var(--color-gold);
    border-bottom: 2px solid var(--color-gold);
  }

  .panel {
    padding: var(--space-4);
    display: none;
  }

  .panel.mobile-visible {
    display: flex;
  }

  .panel--conventional { border-right: none; }

  .verify-claim__comparison {
    grid-template-columns: 1fr;
  }

  .cost-comparison {
    grid-template-columns: 1fr;
  }

  .scale-projections {
    grid-template-columns: 1fr;
  }

  .toggle-row {
    flex-direction: column;
  }
}

/* Desktop: hide mobile tabs */
@media (min-width: 768px) {
  .mobile-tabs {
    display: none;
  }
  .panel {
    display: flex !important;
  }
}

/* ============================================
   MISC
   ============================================ */
.text-gold { color: var(--color-gold); }
.text-teal { color: var(--color-teal); }
.text-red { color: var(--color-red); }
.text-muted { color: var(--color-text-muted); }

.deterministic-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-teal);
  padding: 2px 8px;
  background: var(--color-teal-dim);
  border-radius: var(--radius-full);
}

.deterministic-badge::before {
  content: "■";
  font-size: 0.6em;
}

/* --- Governance step styling --- */
.pipeline-step--governance {
  border-style: dashed;
}

.pipeline-step--governance.active {
  border-color: var(--color-gold);
  background: var(--color-gold-dim);
}

.pipeline-step--governance.complete {
  border-color: var(--color-border);
}

.pipeline-step--governance .pipeline-step__name {
  color: var(--color-gold);
}

.pipeline-step--governance .pipeline-step__body {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.6;
}

.governance-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gold);
  padding: 2px 8px;
  background: var(--color-gold-dim);
  border-radius: var(--radius-full);
}

.governance-badge::before {
  content: "◆";
  font-size: 0.6em;
}

.governance-icon {
  color: var(--color-gold);
  font-size: 1.1em;
  line-height: 1;
}

.governance-0tok {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.6;
  margin-left: 4px;
}

.token-segment {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.token-segment__bar {
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  transition: width 400ms var(--ease-golden);
}

.token-segment__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  white-space: nowrap;
  font-variant-numeric: tabular-nums lining-nums;
}