/* ═══════════════════════════════════════════════════════════════════════════
   KEPHLEX CAPITAL RESEARCH — Premium Design System
   Deep institutional dark theme with light mode toggle.
   Bloomberg Terminal x Palantir x Linear.app
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Section 1: Design Tokens ── */

/* Dark mode is the default (data-theme="dark" on <html>, or no attribute) */
:root,
[data-theme="dark"] {
  /* Backgrounds — deep navy-black, NOT gray */
  --bg:         #0a0c14;
  --surface:    #0e1019;
  --surface2:   #131520;
  --surface3:   #181b28;
  --border:     #1e2136;
  --border-subtle: #161830;

  /* Accent — institutional electric blue */
  --accent:     #4f8ef7;
  --accent-dim: rgba(79,142,247,.07);
  --accent-glow:rgba(79,142,247,.14);
  --accent-hover:#6ba0ff;

  /* Semantic — high-contrast institutional P&L */
  --green:      #00c853;
  --green-dim:  rgba(0,200,83,.08);
  --green-glow: rgba(0,200,83,.20);
  --red:        #ff1744;
  --red-dim:    rgba(255,23,68,.08);
  --red-glow:   rgba(255,23,68,.20);
  --yellow:     #ca8a04;
  --yellow-dim: rgba(202,138,4,.08);
  --orange:     #c2410c;

  /* Text — cool-toned, high readability */
  --text:       #d4d8e8;
  --text-dim:   #95a0bf;
  --text-mono:  #9ba3be;
  --text-heading:#e8ecf4;

  /* Signal backgrounds */
  --long-bg:    rgba(0,200,83,.07);
  --short-bg:   rgba(255,23,68,.07);
  --setup-bg:   rgba(202,138,4,.07);

  /* Elevation / overlay */
  --card-shadow: none;
  --card-hover-gradient: linear-gradient(135deg, rgba(79,142,247,.03) 0%, rgba(79,142,247,.00) 100%);
  --overlay-blur: rgba(10,12,20,.94);

  /* Nav */
  --nav-bg:     rgba(10,12,20,.88);
  --nav-border: rgba(30,33,54,.7);

  /* Footer */
  --footer-bg:  #080a10;

  /* Fonts */
  --mono: 'JetBrains Mono','SF Mono','Fira Code','Cascadia Code',monospace;
  --sans: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;

  /* Type scale */
  --fs-micro:  .62rem;
  --fs-label:  .68rem;
  --fs-body:   .875rem;
  --fs-ui:     .8rem;
  --fs-stat:   2rem;

  /* Semantic aliases */
  --muted:     var(--text-dim);
  --card-bg:   var(--surface);
  --amber:     #f59e0b;
}

/* ── Light mode ── */
[data-theme="light"] {
  --bg:         #f8f9fb;
  --surface:    #ffffff;
  --surface2:   #f1f3f8;
  --surface3:   #e8ebf0;
  --border:     #dfe2ea;
  --border-subtle: #e8ebf0;

  --accent:     #2563eb;
  --accent-dim: rgba(37,99,235,.06);
  --accent-glow:rgba(37,99,235,.12);
  --accent-hover:#3b82f6;

  --green:      #15803d;
  --green-dim:  rgba(21,128,61,.06);
  --green-glow: rgba(21,128,61,.14);
  --red:        #b91c1c;
  --red-dim:    rgba(255,23,68,.06);
  --red-glow:   rgba(255,23,68,.14);
  --yellow:     #a16207;
  --yellow-dim: rgba(161,98,7,.06);
  --orange:     #c2410c;

  --text:       #1e293b;
  --text-dim:   #576478;
  --text-mono:  #475569;
  --text-heading:#0f172a;

  --long-bg:    rgba(21,128,61,.06);
  --short-bg:   rgba(255,23,68,.06);
  --setup-bg:   rgba(161,98,7,.06);

  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --card-hover-gradient: linear-gradient(135deg, rgba(37,99,235,.03) 0%, rgba(37,99,235,.00) 100%);
  --overlay-blur: rgba(248,249,251,.88);

  --nav-bg:     rgba(248,249,251,.82);
  --nav-border: rgba(223,226,234,.8);

  --footer-bg:  #f0f2f6;
}


/* ── Section 2: Component Overrides ── */

/* ── Base ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .3s ease, color .3s ease;
}

/* Headings use the refined heading color */
h1, h2, .section-title, .hero h1 {
  color: var(--text-heading);
}

/* ── Nav — premium glassmorphism ── */
nav {
  background: var(--nav-bg) !important;
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom-color: var(--nav-border) !important;
  transition: background .3s ease, border-color .3s ease;
}

nav .logo {
  font-size: .95rem;
  letter-spacing: .08em;
  color: var(--text-heading);
  text-decoration: none;
}

nav .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  background: var(--accent);
  font-size: .72rem;
  font-weight: 900;
  box-shadow: 0 0 12px rgba(79,142,247,.25);
  transition: background .3s ease, box-shadow .3s ease;
}
[data-theme="light"] nav .logo-mark {
  box-shadow: 0 1px 4px rgba(37,99,235,.20);
}

nav a {
  font-size: .72rem;
  letter-spacing: .05em;
  font-weight: 600;
  color: var(--text-dim);
  transition: color .15s ease;
}
nav a:hover {
  color: var(--text-heading);
}
nav a.nav-active {
  color: var(--text-heading) !important;
}

nav .nav-divider {
  background: var(--border);
}

/* ── Theme Toggle Button ── */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible; /* allows ::after to expand tap target to 44px */
  transition: background .25s ease, border-color .25s ease;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
/* Expand tap target to 44×44px without changing visual size */
.theme-toggle::after {
  content: '';
  position: absolute;
  top: -10px;
  bottom: -10px;
  left: 0;
  right: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
}
.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform .3s cubic-bezier(.4, 0, .2, 1), background .25s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
[data-theme="light"] .theme-toggle::before {
  transform: translateX(20px);
}
.theme-toggle .toggle-icon {
  position: absolute;
  font-size: 11px;
  line-height: 1;
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
}
.theme-toggle .toggle-icon--sun {
  left: 6px;
  opacity: 1;
}
.theme-toggle .toggle-icon--moon {
  right: 6px;
  opacity: 0;
}
[data-theme="light"] .theme-toggle .toggle-icon--sun {
  opacity: 0;
}
[data-theme="light"] .theme-toggle .toggle-icon--moon {
  opacity: 1;
}

/* ── Hero — animated gradient ── */
.hero {
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 700px;
  background: radial-gradient(ellipse at 40% 50%, rgba(79,142,247,.06) 0%, rgba(79,142,247,.02) 40%, transparent 70%),
              radial-gradient(ellipse at 60% 30%, rgba(99,102,241,.04) 0%, transparent 60%);
  pointer-events: none;
  animation: heroGradientShift 20s ease-in-out infinite alternate;
}
@keyframes heroGradientShift {
  0%   { transform: translateX(-50%) scale(1) rotate(0deg); opacity: 1; }
  50%  { transform: translateX(-48%) scale(1.05) rotate(1deg); opacity: .85; }
  100% { transform: translateX(-52%) scale(1) rotate(-1deg); opacity: 1; }
}
[data-theme="light"] .hero::before {
  background: radial-gradient(ellipse at 40% 50%, rgba(37,99,235,.04) 0%, rgba(37,99,235,.01) 40%, transparent 70%),
              radial-gradient(ellipse at 60% 30%, rgba(99,102,241,.03) 0%, transparent 60%);
}

/* ── Section labels — more prominent ── */
.section-label {
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--mono);
  margin-bottom: .5rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-title {
  color: var(--text-heading);
  letter-spacing: -.04em;
  font-weight: 800;
}

/* ── Dividers — gradient fade ── */
.divider {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-bottom: 1.25rem;
  border-radius: 1px;
}

/* ── Stat cards — premium styling ── */
.stat-card {
  background: var(--surface);
  box-shadow: var(--card-shadow);
  transition: background .2s ease, box-shadow .2s ease;
  border-right: 1px solid var(--border);
}
.stat-card:hover {
  background: var(--surface2);
  background-image: var(--card-hover-gradient);
}
.stat-card .number {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -.03em;
  font-feature-settings: 'tnum' 1, 'lnum' 1;
  font-variant-numeric: tabular-nums lining-nums;
  font-family: var(--mono);
}
.stat-card .label {
  font-size: .62rem;
  color: var(--text-dim);
  letter-spacing: .10em;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: .3rem;
}

.stat-card .number.green  { color: var(--green); }
.stat-card .number.red    { color: var(--red); }
.stat-card .number.accent { color: var(--accent); }
.stat-card .number.yellow { color: var(--yellow); }

/* Institutional stat cards — subtle rgba backgrounds, no colored gradients */
.stat-card:has(.number.green),
.stat-card:has(.number.red),
.stat-card:has(.number.accent),
.stat-card:has(.number.yellow) { background: rgba(255,255,255,.04); }

/* ── Stats bar container ── */
.stats-bar {
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--card-shadow);
  transition: border-color .3s ease, box-shadow .3s ease;
}

/* ── Signal badges — pill with directional glow ── */
.signal-badge {
  display: inline-block;
  padding: .22rem .65rem;
  border-radius: 100px;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--mono);
  border: 1px solid transparent;
  transition: box-shadow .15s ease;
}
.signal-badge.long {
  background: var(--long-bg);
  color: var(--green);
  border-color: rgba(0,200,83,.25);
  box-shadow: 0 0 8px var(--green-glow), inset 0 0 6px rgba(0,200,83,.05);
}
.signal-badge.short {
  background: var(--short-bg);
  color: var(--red);
  border-color: rgba(255,23,68,.25);
  box-shadow: 0 0 8px var(--red-glow), inset 0 0 6px rgba(255,23,68,.05);
}
.signal-badge.setup,
.signal-badge.wait {
  background: var(--setup-bg);
  color: var(--yellow);
  border-color: rgba(202,138,4,.20);
  box-shadow: 0 0 6px var(--yellow-dim);
}
.signal-badge.strong {
  font-weight: 800;
}
.signal-badge.strong.long {
  border-color: rgba(0,200,83,.45);
  background: rgba(0,200,83,.12);
  box-shadow: 0 0 12px var(--green-glow), 0 0 4px rgba(0,200,83,.15), inset 0 0 8px rgba(0,200,83,.08);
}
.signal-badge.strong.short {
  border-color: rgba(255,23,68,.45);
  background: rgba(255,23,68,.12);
  box-shadow: 0 0 12px var(--red-glow), 0 0 4px rgba(255,23,68,.15), inset 0 0 8px rgba(255,23,68,.08);
}

/* ── Grade badges — circular with colored ring ── */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: .65rem;
  font-weight: 800;
  font-family: var(--mono);
  transition: box-shadow .15s ease;
}
.grade-badge.a {
  background: rgba(79,142,247,.2);
  color: #93c5fd;
  border: 1px solid rgba(79,142,247,.4);
  font-weight: 700;
  box-shadow: 0 0 8px rgba(79,142,247,.15);
}
.grade-badge.b {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1.5px solid rgba(79,142,247,.30);
  box-shadow: 0 0 6px rgba(79,142,247,.10);
}
.grade-badge.c {
  background: var(--yellow-dim);
  color: var(--yellow);
  border: 1.5px solid rgba(202,138,4,.30);
  box-shadow: 0 0 6px rgba(202,138,4,.10);
}
.grade-badge.d {
  background: var(--red-dim);
  color: var(--red);
  border: 1.5px solid rgba(255,23,68,.30);
  box-shadow: 0 0 6px rgba(255,23,68,.10);
}

/* ── Tables — refined row height + column spacing ── */
.signals-table,
#positions-table,
#universe-table {
  font-size: .8rem;
}

.signals-table thead,
#positions-table thead {
  background: var(--surface2);
}

.signals-table th,
#positions-table th {
  padding: .85rem 1rem;
  font-size: .62rem;
  letter-spacing: .10em;
  color: var(--text-dim);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  text-transform: uppercase;
}

.signals-table td,
#positions-table td {
  padding: 1rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-family: var(--mono);
  font-feature-settings: 'tnum' 1;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

/* Minimum 44px row height for dense data tables */
.signals-table tbody tr,
#positions-table tbody tr {
  min-height: 44px;
}

.signals-table tbody tr:hover,
#positions-table tbody tr:hover {
  background: rgba(79,142,247,.06);
  box-shadow: inset 2px 0 0 var(--accent);
  transition: all .15s ease;
}

#universe-table th {
  padding: .55rem .8rem;
  font-size: .58rem;
  letter-spacing: .10em;
  color: var(--text-dim);
  font-weight: 700;
  font-family: var(--mono);
  border-bottom: 1px solid var(--border);
}
#universe-table td {
  font-feature-settings: 'tnum' 1;
  font-variant-numeric: tabular-nums;
}

/* ── Feature cards ── */
.feature-card {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: none;
  transition: border-color .2s ease;
}
.feature-card:hover {
  border-color: var(--accent);
}
.feature-card h3 {
  color: var(--text-heading);
}

.feature-icon {
  border-radius: 6px;
}

/* ── Flow steps ── */
.flow-step {
  background: var(--surface);
  box-shadow: var(--card-shadow);
}
.flow-step h3 {
  color: var(--text-heading);
}

/* ── Performance rows ── */
.perf-row {
  background: var(--surface);
  transition: background .15s ease;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.perf-row:hover {
  background: rgba(255,255,255,.03);
}
.perf-row .perf-label {
  font-weight: 600;
  letter-spacing: .02em;
}
.perf-row .pnl.pos { color: var(--green); }
.perf-row .pnl.neg { color: var(--red); }

/* ── Market intel strip ── */
.market-intel {
  border-color: var(--border);
  border-radius: 6px;
  box-shadow: var(--card-shadow);
}
.market-intel-header {
  background: var(--surface2);
  color: var(--text-dim);
  border-bottom-color: var(--border);
}
.market-intel-cell {
  background: var(--surface);
}

.mi-dot.green  { background: var(--green); }
.mi-dot.red    { background: var(--red); }
.mi-dot.yellow { background: var(--yellow); }
.mi-dot.cyan   { background: var(--accent); }

/* ── Status pills ── */
.status-pill {
  border-radius: 100px;
  font-size: .65rem;
  padding: .28rem .8rem;
}

.status-pill.live {
  background: rgba(0,200,83,.08);
  color: var(--green);
  border-color: rgba(0,200,83,.20);
}
.status-pill.regime {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(79,142,247,.18);
}
.status-pill.regime.bullish {
  background: var(--green-dim);
  color: var(--green);
  border-color: rgba(0,200,83,.18);
}
.status-pill.regime.bearish {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(255,23,68,.18);
}
.status-pill.regime.risk-off {
  background: rgba(194,65,12,.08);
  color: var(--orange);
  border-color: rgba(194,65,12,.15);
}
.status-pill.regime.crisis {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(255,23,68,.25);
  font-weight: 800;
}
.status-pill.fear {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(255,23,68,.15);
}
.status-pill.fear.fear-greed-neutral {
  background: var(--yellow-dim);
  color: var(--yellow);
  border-color: rgba(202,138,4,.15);
}
.status-pill.fear.fear-greed-greed {
  background: var(--green-dim);
  color: var(--green);
  border-color: rgba(0,200,83,.15);
}
.status-pill.fear.fear-greed-extreme-greed {
  background: rgba(0,200,83,.10);
  color: var(--green);
  border-color: rgba(0,200,83,.22);
  font-weight: 800;
}
.status-pill.fear.fear-greed-fear {
  background: rgba(194,65,12,.08);
  color: var(--orange);
  border-color: rgba(194,65,12,.15);
}
.status-pill.btc {
  background: var(--yellow-dim);
  color: var(--yellow);
  border-color: rgba(202,138,4,.15);
}
.status-pill.cached {
  background: rgba(91,98,128,.08);
  color: var(--text-dim);
  border-color: rgba(91,98,128,.15);
  animation: none;
}

/* ── Progress / conviction bars ── */
.stat-card div[style*="height:3px"],
td div[style*="height:3px"] {
  border-radius: 2px;
}

/* ── CTA ── */
.cta-btn {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: .8rem 2.2rem;
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-family: var(--mono);
  text-decoration: none;
  display: inline-block;
  transition: opacity .15s ease, box-shadow .15s ease;
  box-shadow: 0 0 20px rgba(79,142,247,.15);
}
.cta-btn:hover {
  opacity: .9;
  box-shadow: 0 0 28px rgba(79,142,247,.25);
}
[data-theme="light"] .cta-btn {
  color: #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,.18);
}

/* ── Filter buttons (universe page) ── */
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: .32rem .75rem;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .05em;
  cursor: pointer;
  border-radius: 100px;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent) !important;
  background: var(--accent-dim);
}

/* ── Select / input controls ── */
select#grade-filter,
select#sort-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .32rem .6rem;
  font-family: var(--mono);
  font-size: .66rem;
  cursor: pointer;
  border-radius: 6px;
  transition: border-color .15s ease;
}
select#grade-filter:focus,
select#sort-select:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input#search-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .32rem .75rem;
  font-family: var(--mono);
  font-size: .72rem;
  border-radius: 6px;
  transition: border-color .15s ease;
}
input#search-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* ── RUN ANALYSIS button (universe) ── */
#refresh-btn {
  background: var(--accent) !important;
  color: #fff !important;
  border: none;
  padding: .48rem 1.2rem;
  font-family: var(--mono);
  font-size: .70rem;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  border-radius: 6px;
  transition: opacity .15s ease, box-shadow .15s ease;
  box-shadow: 0 0 12px rgba(79,142,247,.12);
}
#refresh-btn:hover {
  opacity: .9;
  box-shadow: 0 0 18px rgba(79,142,247,.20);
}

/* ── Scroll-to-top — premium ── */
#scroll-top-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  box-shadow: var(--card-shadow);
  transition: all .2s ease;
  font-size: .9rem;
}
#scroll-top-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ── Footer ── */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  transition: background .3s ease, border-color .3s ease;
}

/* ── Pattern tags ── */
.pattern-tag {
  border-radius: 100px;
  background: rgba(255,255,255,.03);
  border-color: var(--border);
}
[data-theme="light"] .pattern-tag {
  background: rgba(0,0,0,.03);
}

/* ── Ticker link ── */
.ticker-link {
  color: var(--text-heading);
  text-decoration: none;
  font-weight: 700;
  transition: color .1s ease;
}
.ticker-link:hover {
  color: var(--accent);
}

/* ── Refresh button in hero ── */
.refresh-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  transition: all .15s ease;
}
.refresh-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Skeleton loading ── */
.skeleton-bar {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface2) 50%, var(--surface) 75%);
  border-radius: 4px;
}

/* ── Data error banner ── */
.data-error-banner {
  background: var(--overlay-blur);
  border-color: var(--border);
  border-radius: 8px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* ── New badge ── */
.new-badge {
  background: var(--accent);
  color: #fff;
  border-radius: 100px;
  font-size: .52rem;
  padding: .1rem .35rem;
}

/* ── Sortable th ── */
.sortable-th:hover {
  color: var(--text-heading);
}
.sort-indicator.active {
  color: var(--accent);
}

/* ── Mobile nav panel ── */
@media(max-width:768px) {
  nav .nav-links {
    background: var(--overlay-blur) !important;
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
  }
  nav .nav-links a {
    border-bottom-color: var(--border-subtle) !important;
  }
}

/* ── Summary bar on universe page — light mode border fix ── */
[data-theme="light"] #summary-bar {
  border-color: var(--border);
}

/* ── Feature icons — light mode ── */
[data-theme="light"] .feature-icon {
  background: rgba(0,0,0,.04);
}

/* ── Stat card backgrounds — light mode (institutional, no gradients) ── */
[data-theme="light"] .stat-card:has(.number.green),
[data-theme="light"] .stat-card:has(.number.red),
[data-theme="light"] .stat-card:has(.number.accent),
[data-theme="light"] .stat-card:has(.number.yellow) { background: rgba(0,0,0,.02); }

/* ── Table row hover — light mode ── */
[data-theme="light"] .signals-table tbody tr:hover,
[data-theme="light"] #positions-table tbody tr:hover {
  background: rgba(37,99,235,.05);
}

/* ── Perf row — light mode border ── */
[data-theme="light"] .perf-row {
  border-bottom: 1px solid rgba(0,0,0,.04);
}
[data-theme="light"] .perf-row:hover {
  background: rgba(0,0,0,.02);
}

/* ── Table scroll fade — adapt to bg ── */
.table-scroll-wrap::after {
  background: linear-gradient(to right, transparent, var(--bg) 85%);
}

/* ── Global transition for theme change ── */
/* Removed: wildcard * transition reset — overrode td/tr transitions unexpectedly.
   Only apply transitions when actively switching themes (below). */
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition-duration: .3s !important;
  transition-timing-function: ease !important;
}

/* ── Expand row (universe) ── */
.expand-row td {
  background: var(--surface);
}

/* ── Equity curve SVG ── */
#equity-curve text {
  fill: var(--text-dim);
}

/* ── Universe table borders — unified ── */
#universe-table {
  border-color: var(--border);
  border-radius: 6px;
  overflow: hidden;
}

/* ── Features grid, flow, perf grid — unified border radius ── */
.features-grid,
.flow,
.perf-grid {
  border-radius: 6px;
  border-color: var(--border);
  box-shadow: var(--card-shadow);
}

/* ── CTA section ── */
.cta-section {
  border-top-color: var(--border);
}
.cta-section::before {
  background: radial-gradient(ellipse, rgba(79,142,247,.04), transparent 70%);
}
[data-theme="light"] .cta-section::before {
  background: radial-gradient(ellipse, rgba(37,99,235,.03), transparent 70%);
}

/* ═══════════════════════════════════════════════════════════════════════════
   How It Works page — component overrides
   ═══════════════════════════════════════════════════════════════════════════ */

/* Stage cards */
.stage-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--card-shadow);
  transition: box-shadow .3s ease, background .3s ease, border-color .3s ease;
}
.stage-card:hover {
  box-shadow: 0 0 40px rgba(79,142,247,.05);
}
[data-theme="light"] .stage-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.stage-card .stage-title {
  color: var(--text-heading);
}
.stage-card .stage-desc {
  color: var(--text-dim);
}
.stage-card .stage-label {
  color: var(--text-dim);
}
.stage-card .proprietary-badge {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(79,142,247,.20);
}

/* Screener card special glow */
.stage-card.screener {
  background: radial-gradient(ellipse at 30% 50%, rgba(79,142,247,.04) 0%, var(--surface) 60%);
  border-color: rgba(79,142,247,.18);
}
[data-theme="light"] .stage-card.screener {
  background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,.03) 0%, var(--surface) 60%);
  border-color: rgba(37,99,235,.15);
}

/* Source tags */
.source-tag {
  background: var(--surface2);
  color: var(--text-mono);
  border-color: var(--border);
}

/* Stage stats */
.stage-stat .stat-num {
  color: var(--accent);
}
.stage-stat .stat-label {
  color: var(--text-dim);
}

/* Confluence factor bars */
.factor-bar {
  background: var(--surface2);
}
.factor-label {
  color: var(--text-dim);
}

/* Regime cards */
.regime-card {
  background: var(--surface2);
  border-color: var(--border);
}
.regime-card .regime-status {
  color: var(--text-dim);
}

/* Trade card */
.trade-card {
  background: var(--surface2);
  border-color: var(--border);
}
.trade-card-header {
  background: rgba(255,255,255,.02);
  border-bottom-color: var(--border);
}
[data-theme="light"] .trade-card-header {
  background: rgba(0,0,0,.02);
}
.trade-card-header span {
  color: var(--text-dim);
}
.trade-card-body span {
  color: var(--text);
}

/* Delivery modes */
.delivery-mode {
  background: var(--surface2);
  border-color: var(--border);
}
.delivery-mode .mode-desc {
  color: var(--text-dim);
}

/* Connector line */
.connector-line {
  background: rgba(79,142,247,.15);
}
[data-theme="light"] .connector-line {
  background: rgba(37,99,235,.12);
}
.connector-dot {
  background: var(--accent);
}

/* Edge cards */
.edge-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--card-shadow);
  transition: border-color .2s ease, box-shadow .3s ease, background .3s ease;
}
.edge-card:hover {
  border-color: rgba(79,142,247,.22);
  box-shadow: 0 0 30px rgba(79,142,247,.04);
}
[data-theme="light"] .edge-card:hover {
  border-color: rgba(37,99,235,.18);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.edge-card h3 {
  color: var(--text-heading);
}
.edge-card p {
  color: var(--text-dim);
}

/* Stats strip */
.stats-strip {
  border-top-color: var(--border);
  border-bottom-color: var(--border);
  background: var(--surface);
}
.stats-strip .stat-cell {
  border-right-color: var(--border);
}
.stats-strip .stat-number {
  color: var(--accent);
}
.stats-strip .stat-desc {
  color: var(--text-dim);
}

/* Stat pills (hero) */
.stat-pill {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(79,142,247,.18);
}

/* CTA buttons on how-it-works */
.cta-btn.primary {
  background: var(--accent);
  color: #fff;
}
.cta-btn.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 24px rgba(79,142,247,.25);
}
[data-theme="light"] .cta-btn.primary:hover {
  box-shadow: 0 4px 16px rgba(37,99,235,.20);
}
.cta-btn.secondary {
  color: var(--accent);
  border-color: rgba(79,142,247,.30);
}
.cta-btn.secondary:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}