@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@500;600&display=swap');

:root {
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --bg-page: #fafaf9;
  --bg-surface: #ffffff;
  --bg-muted: #f5f5f4;
  --text-primary: #292524;
  --text-muted: #78716c;
  --border: #e7e5e4;
  --accent: #d97706;
  --accent-tab: #ca8a04;
  --accent-soft: #fef3c7;
  --data-row-height: 28px;
  --rail-width: 280px;
  --ready-bg: #ecfdf5;
  --ready-border: #a7f3d0;
  --ready-text: #047857;
  --flag-bg: #fef2f2;
  --flag-border: #fecaca;
  --flag-text: #b91c1c;
}

body.frosted-light {
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.font-display {
  font-family: var(--font-display);
  font-weight: 600;
}

/* ── Typography & numerics ───────────────────────────────────────── */

.metric-value,
.input-number,
.value-display,
table {
  font-variant-numeric: tabular-nums;
}

.value-display {
  font-feature-settings: "tnum";
}

.model-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
}

.section-header {
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
}

/* ── Layout & views ────────────────────────────────────────────────── */

.view {
  display: block;
}

.view.hidden {
  display: none !important;
}

/* ── Tabs ──────────────────────────────────────────────────────────── */

.tab-btn {
  white-space: nowrap;
  transition: all 0.1s ease;
}

.tab-btn.active {
  background-color: var(--accent-tab);
  color: #0f172a;
  font-weight: 600;
}

/* ── Panels & surfaces ─────────────────────────────────────────────── */

.surface {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.a2ui-surface {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.a2ui-card {
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.a2ui-card .metric-value,
.a2ui-card .tabular-nums,
.a2ui-card .font-semibold:not(.text-emerald-600):not(.text-emerald-700):not(.text-amber-700) {
  color: var(--text-primary);
}

.a2ui-card .model-label,
.a2ui-surface .model-label {
  color: var(--text-muted);
}

.market-center-card {
  background: var(--bg-surface);
  border: 1px solid #86efac;
  color: var(--text-primary);
}

.market-center-card .font-semibold {
  color: var(--text-primary);
}

.insight-card {
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.insight-card .font-semibold {
  color: var(--text-primary);
}

.insight-card .tabular-nums {
  color: #0f766e;
}

.toolbar-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.scenario-toggle {
  background: var(--bg-muted);
  border: 1px solid var(--border);
}

.assumption-card {
  transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.assumption-card:focus-within {
  box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.1);
}

.result-card {
  transition: transform 0.1s ease;
}

/* ── Data tables ───────────────────────────────────────────────────── */

.data-table {
  width: 100%;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--border);
  padding: 4px 8px;
  height: var(--data-row-height);
  text-align: left;
}

.data-table th {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Forms ─────────────────────────────────────────────────────────── */

.slider {
  accent-color: var(--accent-tab);
}

/* ── Tooltips ──────────────────────────────────────────────────────── */

.info-icon {
  cursor: help;
  font-size: 0.65rem;
  line-height: 1;
  color: #64748b;
  transition: color 0.1s;
  user-select: none;
}

.info-icon:hover {
  color: var(--accent-tab);
}

.tooltip {
  position: absolute;
  z-index: 9999;
  display: none;
  width: 260px;
  max-width: 260px;
  padding: 9px 11px;
  font-size: 0.68rem;
  line-height: 1.35;
  background: #fffbeb;
  border: 1px solid #d6d3d1;
  border-radius: 8px;
  color: #44403c;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.35);
  pointer-events: none;
  white-space: normal;
  left: 0;
  bottom: 100%;
  margin-bottom: 6px;
}

.group:hover .tooltip,
.info-icon:hover .tooltip {
  display: block;
}

.tooltip-right {
  left: auto;
  right: 0;
}

.result-card,
#viability-cards,
#other-info-grid,
#market-snapshot,
#market-centers {
  overflow: visible;
}

/* ── Stakeholder KPI ribbon ────────────────────────────────────────── */

#stakeholder-kpi-ribbon {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 8px 12px;
  margin-bottom: 12px;
}

#stakeholder-kpi-ribbon .kpi-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

#stakeholder-kpi-ribbon .kpi-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#stakeholder-kpi-ribbon .kpi-val {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #1c1917;
}

/* ── Readiness chips (lens = all) ──────────────────────────────────── */

.readiness-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 10px;
  font-size: 10px;
  border: 1px solid var(--border);
}

.readiness-ready {
  background: var(--ready-bg);
  border-color: var(--ready-border);
  color: var(--ready-text);
}

.readiness-flag {
  background: var(--flag-bg);
  border-color: var(--flag-border);
  color: var(--flag-text);
}

.readiness-audience {
  font-weight: 600;
}

.readiness-status {
  opacity: 0.85;
}

/* ── Charts ────────────────────────────────────────────────────────── */

#revenueChart,
#profitChart,
#demographicChart {
  max-height: 100%;
  display: block;
}

/* ── Council rail ──────────────────────────────────────────────────── */

.council-rail {
  width: var(--rail-width);
  min-width: var(--rail-width);
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  font-size: 0.8125rem;
}

.council-insight {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  margin-bottom: 6px;
  background: var(--bg-muted);
}

/* ── Metric deltas ─────────────────────────────────────────────────── */

.metric-delta-up {
  color: #15803d;
}

.metric-delta-down {
  color: #b45309;
}