/* Publisher Impact Factor — Shared Design System */
/* Used by all neuroscience publisher reports (2026-05) */

:root {
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-surface-2: #22263a;
  --color-border: rgba(255,255,255,0.08);
  --color-text: #e8eaf0;
  --color-text-muted: #7c8099;
  --color-text-dim: #4a4e6a;

  /* Publisher accent — overridden per report */
  --accent: #6c8ef7;
  --accent-muted: rgba(108,142,247,0.12);
  --accent-glow: rgba(108,142,247,0.25);

  --font-body: 'Georgia', 'Times New Roman', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius: 8px;
  --radius-lg: 16px;
  --max-prose: 72ch;
  --max-wide: 1100px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 18px; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.prose {
  max-width: var(--max-prose);
  margin-left: auto;
  margin-right: auto;
}

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,17,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-brand {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* ── Hero ── */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-kicker {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: var(--space-md);
  max-width: 22ch;
}
.hero-deck {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}
.hero-meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.hero-meta span { display: flex; align-items: center; gap: 0.4em; }

/* ── Stat Cards ── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.6;
}
.stat-card:hover { border-color: var(--accent-glow); }
.stat-value {
  font-size: 2.4rem;
  font-weight: 700;
  font-family: var(--font-ui);
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.stat-unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.4em;
}
.stat-delta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  margin-top: 0.3em;
  font-weight: 600;
}
.stat-delta.up { color: #4ade80; }
.stat-delta.down { color: #f87171; }
.stat-delta.warn { color: #fbbf24; }

/* ── Sections ── */
section {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}
section:last-of-type { border-bottom: none; }

.section-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  max-width: 28ch;
}

/* ── Prose ── */
p {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}
.prose p:first-of-type::first-letter {
  font-size: 3.5em;
  font-weight: 700;
  float: left;
  line-height: 0.8;
  margin: 0.1em 0.1em 0 0;
  color: var(--accent);
  font-family: var(--font-ui);
}
.no-dropcap p:first-of-type::first-letter { font-size: inherit; float: none; color: inherit; }
strong { color: #fff; font-weight: 600; }

/* ── Pull Quote ── */
.pull-quote {
  font-size: 1.45rem;
  font-style: italic;
  color: #fff;
  border-left: 3px solid var(--accent);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-lg) 0;
  line-height: 1.5;
  background: var(--accent-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ── Charts ── */
.chart-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}
.chart-headline {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.3em;
}
.chart-subline {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.chart-container { position: relative; }

/* ── Bar Chart (pure CSS) ── */
.bar-chart { display: flex; flex-direction: column; gap: 0.6rem; }
.bar-row { display: flex; align-items: center; gap: 0.75rem; }
.bar-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  width: 220px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bar-track {
  flex: 1;
  height: 24px;
  background: var(--color-surface-2);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  align-items: center;
  padding-left: 0.5rem;
}
.bar-fill.dim { background: var(--color-surface-2); border: 1px solid var(--color-border); }
.bar-fill.warn { background: #7c2d12; }
.bar-fill.good { background: #14532d; }
.bar-value {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  margin-left: 0.5rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Comparison Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  margin: var(--space-md) 0;
}
.data-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
}
.data-table td {
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--color-text);
}
.data-table tr:hover td { background: var(--color-surface-2); }
.data-table .highlight td { color: #fff; }
.data-table .dimmed td { color: var(--color-text-dim); }
.data-table .accent-cell { color: var(--accent); font-weight: 600; }
.data-table .warn-cell { color: #f87171; }
.data-table .good-cell { color: #4ade80; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ── Two-col layout ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }

/* ── Insight Box ── */
.insight-box {
  background: var(--accent-muted);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
}
.insight-box-title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.5em;
}
.insight-box p {
  font-size: 1.05rem;
  margin-bottom: 0;
}
.insight-box p::first-letter { font-size: inherit; float: none; color: inherit; }

/* ── Action Items ── */
.action-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}
.action-item {
  display: flex;
  gap: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: border-color 0.2s;
}
.action-item:hover { border-color: var(--accent); }
.action-num {
  font-family: var(--font-ui);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  width: 2rem;
  text-align: right;
}
.action-text {
  flex: 1;
}
.action-text strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  margin-bottom: 0.3em;
}
.action-text p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0;
  font-family: var(--font-ui);
  line-height: 1.5;
}
.action-text p::first-letter { font-size: inherit; float: none; color: inherit; }

/* ── Bubble / Scatter ── */
.bubble-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-md) 0;
}
.topic-bubble {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  padding: 0.35em 0.9em;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: default;
  transition: all 0.2s;
  position: relative;
}
.topic-bubble:hover { transform: translateY(-2px); }
.topic-bubble.owned { background: var(--accent-muted); border-color: var(--accent); color: var(--accent); }
.topic-bubble.missing { background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.3); color: #f87171; }
.topic-bubble.opportunity { background: rgba(74,222,128,0.1); border-color: rgba(74,222,128,0.3); color: #4ade80; }
.topic-bubble .tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1d27;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  color: #fff;
  white-space: nowrap;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.topic-bubble:hover .tip { display: block; }

/* ── Callout ── */
.callout {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  margin: var(--space-md) 0;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  line-height: 1.5;
}
.callout p { margin: 0; font-family: var(--font-ui); font-size: 0.85rem; }
.callout p::first-letter { font-size: inherit; float: none; color: inherit; }
.callout.warn { background: rgba(251,191,36,0.08); border-left: 3px solid #fbbf24; }
.callout.danger { background: rgba(248,113,113,0.08); border-left: 3px solid #f87171; }
.callout.success { background: rgba(74,222,128,0.08); border-left: 3px solid #4ade80; }
.callout.info { background: var(--accent-muted); border-left: 3px solid var(--accent); }
.callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1em; }

/* ── Footer ── */
.report-footer {
  padding: var(--space-lg) 0 var(--space-2xl);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}
.report-footer a { color: var(--color-text-muted); }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-2 { animation: fadeUp 0.6s 0.15s ease both; }
.fade-up-3 { animation: fadeUp 0.6s 0.3s ease both; }
@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-up-2, .fade-up-3 { animation: none; }
}

/* ── Tooltip ── */
.has-tip { position: relative; text-decoration: underline; text-decoration-style: dotted; cursor: help; }
.has-tip .tip { display: none; }
.has-tip:hover .tip {
  display: block;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text);
  z-index: 50;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  font-style: normal;
  text-decoration: none;
}

/* ── Waterfall / Timeline ── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}
.timeline-row {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-sm);
  align-items: start;
}
.timeline-year {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  padding-top: 0.2em;
  text-align: right;
}
.timeline-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

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

/* ── Responsive ── */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .bar-label { width: 120px; font-size: 0.72rem; }
  .nav-links { display: none; }
}

/* ── Theme Toggle Button ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.38rem 0.48rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-muted);
}

/* ── Smooth theme transitions ── */
body,
.nav,
.hero,
.stat-card,
.chart-wrap,
.action-item,
.insight-box,
.callout,
.data-table th,
.data-table td,
.topic-bubble,
.topic-bubble .tip,
.bar-track,
.bar-fill,
.pull-quote {
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
p, strong, h1, h2, h3, h4,
.stat-value, .stat-label, .stat-delta,
.bar-value, .bar-label,
.chart-headline, .chart-subline,
.section-title, .section-label,
.hero-title, .hero-deck, .hero-meta,
.nav-brand, .nav-links a,
.pull-quote, .insight-box-title,
.action-text strong, .action-text p,
.report-footer, .report-footer a {
  transition: color 0.25s ease;
}
/* Suppress transitions while the page first loads (prevents flash) */
.no-transition * { transition: none !important; }

/* ══════════════════════════════════════════════════
   LIGHT MODE
   ══════════════════════════════════════════════════ */
html[data-theme="light"] {
  /* Base palette */
  --color-bg: #f4f5fb;
  --color-surface: #ffffff;
  --color-surface-2: #e8eaf4;
  --color-border: rgba(0,0,0,0.09);
  --color-text: #111827;
  --color-text-muted: #4b5064;
  --color-text-dim: #9297b5;

  /* Accent — picks up per-page --accent-light variable */
  --accent: var(--accent-light, #3b5fd4);
  --accent-muted: var(--accent-muted-light, rgba(59,95,212,0.1));
  --accent-glow: var(--accent-glow-light, rgba(59,95,212,0.12));
}

/* Nav */
html[data-theme="light"] .nav {
  background: rgba(244,245,251,0.94);
}

/* Text elements that use hard-coded #fff */
html[data-theme="light"] .hero-title,
html[data-theme="light"] .section-title,
html[data-theme="light"] .stat-value,
html[data-theme="light"] .chart-headline,
html[data-theme="light"] .pull-quote,
html[data-theme="light"] strong,
html[data-theme="light"] .bar-value {
  color: var(--color-text);
}

/* Table rows */
html[data-theme="light"] .data-table td {
  border-bottom-color: rgba(0,0,0,0.05);
}
html[data-theme="light"] .data-table .highlight td {
  color: var(--color-text);
}

/* Semantic colours — darker for legibility on light bg */
html[data-theme="light"] .stat-delta.up   { color: #15803d; }
html[data-theme="light"] .stat-delta.down { color: #dc2626; }
html[data-theme="light"] .stat-delta.warn { color: #b45309; }
html[data-theme="light"] .data-table .warn-cell { color: #dc2626; }
html[data-theme="light"] .data-table .good-cell { color: #15803d; }

/* Bar fills — dark enough to read text against a light track */
html[data-theme="light"] .bar-fill.good { background: #15803d; }
html[data-theme="light"] .bar-fill.warn { background: #dc2626; }
html[data-theme="light"] .bar-fill.dim  {
  background: #e2e4f0;
  border-color: rgba(0,0,0,0.1);
}

/* Topic bubbles */
html[data-theme="light"] .topic-bubble.missing {
  background: rgba(220,38,38,0.07);
  border-color: rgba(220,38,38,0.22);
  color: #dc2626;
}
html[data-theme="light"] .topic-bubble.opportunity {
  background: rgba(21,128,61,0.07);
  border-color: rgba(21,128,61,0.22);
  color: #15803d;
}
html[data-theme="light"] .topic-bubble .tip {
  background: #ffffff;
  color: var(--color-text);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* Insight box border */
html[data-theme="light"] .insight-box {
  border-color: var(--color-border);
}

/* Subtle card depth on light bg */
html[data-theme="light"] .stat-card,
html[data-theme="light"] .chart-wrap,
html[data-theme="light"] .action-item {
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

/* Tooltip shadows */
html[data-theme="light"] .has-tip:hover .tip {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* Callouts — slightly increased contrast on light */
html[data-theme="light"] .callout.warn    { background: rgba(180,83,9,0.07); }
html[data-theme="light"] .callout.danger  { background: rgba(220,38,38,0.07); }
html[data-theme="light"] .callout.success { background: rgba(21,128,61,0.07); }
html[data-theme="light"] .callout.warn    { border-left-color: #b45309; }
html[data-theme="light"] .callout.danger  { border-left-color: #dc2626; }
html[data-theme="light"] .callout.success { border-left-color: #15803d; }