/* ══════════════════════════════════════════════════════════════════════════════
   quant_prod — Exchange Terminal Design System v2
   Inspired by Kraken exchange aesthetic
   Fonts: Sora (UI/display) · JetBrains Mono (data/numbers)
   Palette: Obsidian · Electric Violet · Signal Green · Alert Red
   ══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  /* Backgrounds — obsidian spectrum */
  --bg:          #080a10;
  --bg-2:        #0c0f18;
  --bg-3:        #111520;
  --bg-4:        #171c2a;
  --nav-bg:      rgba(8,10,16,0.96);

  /* Typography */
  --text:        #e2e5ee;
  --text-2:      #7f8da0;
  --text-3:      #46526a;
  --text-inv:    #080a10;

  /* Primary accent — electric violet (Kraken-adjacent) */
  --gold:        #6b48ff;
  --gold-dim:    rgba(107,72,255,0.12);
  --gold-subtle: rgba(107,72,255,0.07);
  --gold-glow:   rgba(107,72,255,0.3);

  /* Status colours */
  --green:       #00d395;
  --green-dim:   rgba(0,211,149,0.12);
  --red:         #ef4040;
  --red-dim:     rgba(239,64,64,0.12);
  --blue:        #4b82f2;
  --blue-dim:    rgba(75,130,242,0.12);
  --accent-blue: #4b82f2;
  --amber:       #f0a93a;
  --amber-dim:   rgba(240,169,58,0.12);

  /* Borders */
  --border:      rgba(255,255,255,0.06);
  --border-2:    rgba(255,255,255,0.11);
  --border-v:    rgba(107,72,255,0.35);

  /* Navigation */
  --nav-h:       56px;
  --strip-h:     34px;

  /* Fonts */
  --sans:        'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  --serif:       'Sora', -apple-system, BlinkMacSystemFont, sans-serif; /* compat alias */
  --mono:        'JetBrains Mono', 'Courier New', monospace;

  /* Radius */
  --r:  6px;
  --r2: 10px;
  --r3: 16px;

  /* Transitions */
  --t:  0.14s ease;
  --t2: 0.24s ease;
}

[data-theme="light"] {
  --bg:          #f1f3f8;
  --bg-2:        #ffffff;
  --bg-3:        #e8ecf4;
  --bg-4:        #dde2ee;
  --nav-bg:      rgba(241,243,248,0.96);
  --text:        #0e111c;
  --text-2:      #46526a;
  --text-3:      #7f8da0;
  --text-inv:    #ffffff;
  --border:      rgba(0,0,0,0.07);
  --border-2:    rgba(0,0,0,0.12);
  --gold-subtle: rgba(107,72,255,0.05);
}

/* ── Light theme: make inner tiles white so they don't look gray-on-gray ─── */
[data-theme="light"] .market-tile,
[data-theme="light"] .market-cell {
  background: var(--bg-2);
  box-shadow: inset 0 0 0 0 transparent;
}
[data-theme="light"] .market-tile:hover,
[data-theme="light"] .market-cell:hover {
  background: var(--bg-3);
}
[data-theme="light"] .signal-row {
  background: var(--bg-2);
}
[data-theme="light"] .signal-row:hover {
  background: var(--bg-3);
}
[data-theme="light"] .dash-stats {
  background: var(--bg-2);
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--text); }
code, .mono { font-family: var(--mono); }

/* ── Typography ─────────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: 1.6rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 0.95rem; }
h4 { font-size: 0.85rem; font-weight: 500; }
p  { color: var(--text-2); line-height: 1.75; }

/* ── Utility ────────────────────────────────────────────────────────────────── */
.text-secondary { color: var(--text-2); }
.text-muted     { color: var(--text-3); }
.text-gold      { color: var(--gold); }
.text-green     { color: var(--green); }
.text-red       { color: var(--red); }
.text-blue      { color: var(--blue); }
.accent-green   { color: var(--green); }
.accent-red     { color: var(--red); }
.accent-amber   { color: var(--amber); }

/* ══════════════════════════════════════════════════════════════════════════════
   TOP NAVIGATION
   ══════════════════════════════════════════════════════════════════════════════ */
.topnav {
  height: var(--nav-h);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  background: var(--gold);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.7rem;
  color: #fff;
  letter-spacing: -0.04em;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--gold-glow);
}

.brand-name {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.brand-tag {
  font-size: 0.56rem;
  font-family: var(--mono);
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.topnav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  list-style: none;
}

.topnav-link {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--r);
  color: var(--text-3);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all var(--t);
  text-decoration: none;
  white-space: nowrap;
}

.topnav-link:hover {
  color: var(--text);
  background: var(--bg-3);
}

.topnav-link.active {
  color: var(--gold);
  background: var(--gold-subtle);
}

.topnav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px 4px 5px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.7rem;
  font-family: var(--mono);
  color: var(--text-2);
}

.user-avatar {
  width: 20px;
  height: 20px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* ── Ticker Strip ───────────────────────────────────────────────────────────── */
.ticker-strip {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--strip-h);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.ticker-scroll {
  display: flex;
  gap: 28px;
  padding: 0 20px;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
  width: 100%;
}

.ticker-scroll::-webkit-scrollbar { display: none; }

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  font-family: var(--mono);
}

.ticker-symbol {
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: var(--text-3);
  text-transform: uppercase;
}

.ticker-price { font-size: 0.72rem; color: var(--text); }
.ticker-chg   { font-size: 0.65rem; }

/* ── Main Content ───────────────────────────────────────────────────────────── */
.main-content {
  margin-top: calc(var(--nav-h) + var(--strip-h));
  min-height: calc(100vh - var(--nav-h) - var(--strip-h));
  padding: 28px 32px;
}

/* ── WIP Banner ─────────────────────────────────────────────────────────────── */
.wip-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, rgba(107,72,255,0.06) 0%, transparent 100%);
  border: 1px solid var(--border-v);
  border-radius: var(--r);
  padding: 9px 14px;
  margin-bottom: 24px;
  font-size: 0.72rem;
  color: var(--text-2);
}

.wip-banner::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 6px var(--gold);
  flex-shrink: 0;
}

.wip-banner strong { color: var(--gold); }
.wip-banner.card { margin-bottom: 24px; }

/* ── Page Header ─────────────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-header p {
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--mono);
}

/* ══════════════════════════════════════════════════════════════════════════════
   DASH STATS (inline header strip)
   ══════════════════════════════════════════════════════════════════════════════ */
.dash-stats {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-2);
}

.dash-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  gap: 2px;
  border-right: 1px solid var(--border);
  transition: background var(--t);
}

.dash-stat:last-child { border-right: none; }
.dash-stat:hover      { background: var(--bg-3); }

.dash-stat-val {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: -0.02em;
  line-height: 1;
}

.dash-stat-val.green { color: var(--green); }
.dash-stat-val.red   { color: var(--red); }
.dash-stat-val.neu   { color: var(--text); }

.dash-stat-lbl {
  font-family: var(--mono);
  font-size: 0.56rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

/* ── legacy compat ─────────────────────────────────────────────────────────── */
.stat-grid,
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  margin-bottom: 24px;
}

.stat-tile {
  background: var(--bg-2);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background var(--t);
}

.stat-tile:hover { background: var(--bg-3); }

.stat-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 500;
}

.stat-value {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat-value.neutral { color: var(--text); }
.stat-value.green   { color: var(--green); }
.stat-value.red     { color: var(--red); }

.stat-sub {
  font-size: 0.62rem;
  color: var(--text-3);
  font-family: var(--mono);
}

/* ══════════════════════════════════════════════════════════════════════════════
   DASHBOARD GRID
   ══════════════════════════════════════════════════════════════════════════════ */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: auto auto;
  gap: 16px;
}

.panel-market    { grid-column: 1 / -1; grid-row: 1; }
.panel-signals   { grid-column: 1;      grid-row: 2; }
.panel-backtests { grid-column: 2;      grid-row: 2; }

/* ══════════════════════════════════════════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════════════════════════════════════════ */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  margin-bottom: 0;
  transition: border-color var(--t);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 500;
}

.market-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.market-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.market-focus-picker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.market-period-picker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.market-focus-picker .search-input,
.market-period-picker .search-input {
  width: 120px;
  min-width: 120px;
  padding: 8px 10px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   MARKET TILES
   ══════════════════════════════════════════════════════════════════════════════ */
.market-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  overflow: hidden;
}

.market-grid[data-view="one"] {
  grid-template-columns: minmax(0, 1fr);
}

.market-grid[data-view="three"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.market-grid[data-view="five"] {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.market-grid[data-view="all"] {
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}

.market-tile {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 16px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background var(--t), border-color var(--t), transform var(--t);
  position: relative;
  min-height: 232px;
}

.market-grid[data-view="one"] .market-tile,
.market-grid[data-view="five"] .market-tile-featured {
  min-height: 320px;
}

.market-grid[data-view="five"] .market-tile-featured {
  grid-column: span 3;
}

.market-grid[data-view="five"] .market-tile:not(.market-tile-featured) {
  grid-column: span 1;
  min-height: 240px;
}

.market-tile:hover {
  background: var(--bg-4);
  border-color: var(--border-2);
  transform: translateY(-1px);
}

.market-tile[hidden] {
  display: none;
}

.market-tile-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1px;
}

.market-ticker {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--text-2);
  text-transform: uppercase;
}

.market-change {
  font-family: var(--mono);
  font-size: 0.62rem;
}

.market-name {
  font-size: 0.68rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.market-price {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.market-grid[data-view="one"] .market-ticker,
.market-grid[data-view="five"] .market-tile-featured .market-ticker {
  font-size: 0.9rem;
}

.market-grid[data-view="one"] .market-name,
.market-grid[data-view="five"] .market-tile-featured .market-name {
  font-size: 0.76rem;
}

.market-grid[data-view="one"] .market-price,
.market-grid[data-view="five"] .market-tile-featured .market-price {
  font-size: 1.7rem;
}

.market-cell {
  background: var(--bg-3);
  padding: 13px 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background var(--t);
  cursor: default;
}

.market-cell:hover { background: var(--bg-4); }

.market-signal {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 3px;
  display: inline-block;
  width: fit-content;
}

.signal-long  { background: var(--green-dim); color: var(--green); }
.signal-short { background: var(--red-dim);   color: var(--red); }
.signal-flat  { background: var(--bg-4);      color: var(--text-3); }

.market-chart-wrap {
  margin-top: auto;
  position: relative;
  height: 136px;
}

.market-grid[data-view="all"] .market-chart-wrap {
  height: 88px;
}

.market-grid[data-view="one"] .market-chart-wrap,
.market-grid[data-view="five"] .market-tile-featured .market-chart-wrap {
  height: 180px;
}

.sparkline-canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ══════════════════════════════════════════════════════════════════════════════
   SIGNALS PANEL
   ══════════════════════════════════════════════════════════════════════════════ */
.signals-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

/* Dashboard mini signal rows */
.signal-row {
  background: var(--bg-3);
  padding: 9px 12px;
  display: grid;
  grid-template-columns: 58px 1fr auto 56px;
  align-items: center;
  gap: 8px;
  transition: background var(--t);
  border-bottom: 1px solid var(--border);
}

.signal-row:last-child { border-bottom: none; }
.signal-row:hover { background: var(--bg-4); }

/* Full signals page rows */
.signal-row.full-row {
  grid-template-columns: 80px 100px 1fr 120px 120px 80px;
  padding: 10px 16px;
  font-size: 0.75rem;
}

.signal-ticker {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}

.signal-row .ticker {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--text);
  letter-spacing: 0.04em;
}

.signal-row .price {
  font-variant-numeric: tabular-nums;
  color: var(--text-2);
}

.signal-strategy {
  font-size: 0.68rem;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.strength-bar-wrap {
  width: 52px;
  height: 3px;
  background: var(--bg-4);
  border-radius: 2px;
  overflow: hidden;
}

.strength-bar {
  height: 100%;
  background: var(--gold);
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* Sparkline cell in signals table */
.sparkline-cell canvas { display: block; }

/* ══════════════════════════════════════════════════════════════════════════════
   STRATEGY BROWSER
   ══════════════════════════════════════════════════════════════════════════════ */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.strategy-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}

.strategy-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--t);
}

.strategy-card:hover {
  background: var(--bg-3);
  border-color: var(--border-2);
  transform: translateY(-1px);
}

.strategy-card:hover::before { opacity: 1; }

.strategy-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.strategy-desc {
  font-size: 0.76rem;
  color: var(--text-3);
  line-height: 1.55;
}

.strategy-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Custom strategy builder layout */
.custom-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(320px, 0.9fr);
  gap: 20px;
  align-items: start;
}

.custom-editor-panel,
.custom-right-panel,
.sandbox-editor-panel,
.sandbox-output-panel {
  min-width: 0;
}

.params-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.9rem;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  flex-wrap: wrap;
}

.saved-strat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.saved-strat-row:last-child {
  border-bottom: none;
}

/* ══════════════════════════════════════════════════════════════════════════════
   BADGES
   ══════════════════════════════════════════════════════════════════════════════ */
.badge {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 3px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}

.badge-flat      { background: var(--bg-3);                            color: var(--text-3); border: 1px solid var(--border); }
.badge-trend     { background: var(--blue-dim);                        color: var(--blue); }
.badge-mean-rev  { background: var(--green-dim);                       color: var(--green); }
.badge-momentum  { background: var(--gold-subtle);                     color: var(--gold); }
.badge-ml        { background: rgba(107,72,255,0.12);                  color: #9b7fff; }
.badge-vol       { background: var(--red-dim);                         color: var(--red); }
.badge-custom    { background: var(--bg-4);                            color: var(--text-2); }
.badge-easy      { color: var(--green); border: 1px solid var(--green-dim); }
.badge-medium    { color: var(--amber); border: 1px solid var(--amber-dim); }
.badge-hard      { color: var(--red);   border: 1px solid var(--red-dim); }

.badge-buy, .badge-long {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(0,211,149,0.22);
}
.badge-sell, .badge-short {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid rgba(239,64,64,0.22);
}
.badge-hold, .badge-neutral, .badge-flat-signal {
  background: var(--bg-3);
  color: var(--text-3);
  border: 1px solid var(--border);
}

/* ══════════════════════════════════════════════════════════════════════════════
   TABLES
   ══════════════════════════════════════════════════════════════════════════════ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.73rem;
}

.data-table thead { background: var(--bg-3); }

.data-table th {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-weight: 500;
  white-space: nowrap;
}

.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}

.data-table tr:last-child td  { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--bg-3); }
.clickable { cursor: pointer; }
.data-table tr.clickable:hover td { background: var(--bg-3); }

.data-table td.numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.data-table td.numeric.green { color: var(--green); }
.data-table td.numeric.red   { color: var(--red); }

/* ══════════════════════════════════════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
  font-weight: 500;
}

/* Both `.form-control` (new) and `.form-input`/`.form-select` (legacy) */
.form-control,
.form-input,
.form-select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  padding: 8px 11px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.form-control:focus,
.form-input:focus,
.form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-dim);
  background: var(--bg-2);
}

.form-select,
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2346526a'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 30px;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-hint {
  font-size: 0.64rem;
  color: var(--text-3);
  margin-top: 4px;
  font-family: var(--mono);
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.error-msg {
  background: var(--red-dim);
  border: 1px solid rgba(239,64,64,0.28);
  border-radius: var(--r);
  color: var(--red);
  padding: 9px 13px;
  font-size: 0.76rem;
  display: none;
  font-family: var(--mono);
}

/* ══════════════════════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t);
  text-decoration: none;
  white-space: nowrap;
}

.btn svg { width: 14px; height: 14px; }

.btn-primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.btn-primary:hover {
  background: #7a57ff;
  color: #fff;
  box-shadow: 0 0 18px var(--gold-glow);
  border-color: #7a57ff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border-2);
}
.btn-secondary:hover {
  background: var(--bg-3);
  color: var(--text);
  border-color: var(--border-2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border-2);
}
.btn-ghost:hover {
  background: var(--bg-3);
  color: var(--text);
}

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red-dim);
}
.btn-danger:hover {
  background: var(--red-dim);
  color: var(--red);
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm   { padding: 5px 10px; font-size: 0.7rem; }
.btn-lg   { padding: 11px 24px; font-size: 0.85rem; border-radius: var(--r2); }
.btn-full { width: 100%; }

/* ══════════════════════════════════════════════════════════════════════════════
   CHARTS & RESULTS
   ══════════════════════════════════════════════════════════════════════════════ */
.chart-wrap {
  position: relative;
  height: 280px;
  margin-bottom: 4px;
}

.chart-wrap canvas { border-radius: var(--r); }

.results-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 1px;
  background: var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 20px;
}

.metric-cell {
  background: var(--bg-2);
  padding: 13px 15px;
  transition: background var(--t);
}

.metric-cell:hover { background: var(--bg-3); }

.metric-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 5px;
}

.metric-val {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.metric-val.green { color: var(--green); }
.metric-val.red   { color: var(--red); }

.comparison-strip {
  display: flex;
  gap: 20px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--text-3);
  flex-wrap: wrap;
  font-family: var(--mono);
}

.comparison-strip span { display: flex; align-items: center; gap: 6px; }

.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* ══════════════════════════════════════════════════════════════════════════════
   PROGRESS / TABS
   ══════════════════════════════════════════════════════════════════════════════ */
.progress-bar-wrap {
  background: var(--bg-3);
  border-radius: 3px;
  height: 4px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar {
  height: 100%;
  background: var(--gold);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.tab-group {
  display: flex;
  gap: 2px;
  background: var(--bg-3);
  border-radius: var(--r);
  padding: 3px;
  margin-bottom: 16px;
  width: fit-content;
}

.tab-btn {
  padding: 5px 13px;
  border-radius: calc(var(--r) - 2px);
  border: none;
  background: transparent;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--t);
  font-family: var(--sans);
}

.tab-btn.active {
  background: var(--bg-2);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

/* ══════════════════════════════════════════════════════════════════════════════
   SANDBOX / CODE EDITOR
   ══════════════════════════════════════════════════════════════════════════════ */
.sandbox-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  height: calc(100vh - 180px);
  min-height: 500px;
}

.editor-panel,
.output-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
}

.sandbox-editor-panel .card,
.sandbox-output-panel .card {
  height: 100%;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.CodeMirror {
  flex: 1;
  height: 100%;
  font-family: var(--mono) !important;
  font-size: 12.5px !important;
  background: #06080f !important;
}

.CodeMirror-scroll { padding-bottom: 12px; }
.CodeMirror-selected { background: rgba(107,72,255,0.2) !important; }
.CodeMirror-cursor   { border-left-color: var(--gold) !important; }

.sandbox-output {
  min-height: 420px;
  max-height: 70vh;
  overflow: auto;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--text);
  background: #0b0e18;
  white-space: pre-wrap;
  word-break: break-word;
}

.output-body {
  flex: 1;
  overflow: auto;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  white-space: pre-wrap;
  word-break: break-all;
}

.output-body .stdout { color: var(--text); }
.output-body .stderr { color: var(--red); }
.output-body .error  { color: var(--red); font-weight: 500; }
.output-image { max-width: 100%; border-radius: var(--r); margin-top: 12px; }

/* ══════════════════════════════════════════════════════════════════════════════
   LEARN PAGE
   ══════════════════════════════════════════════════════════════════════════════ */
.phase-section { margin-bottom: 32px; }

.phase-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.phase-number {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-3);
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border-2);
  border-radius: 3px;
  white-space: nowrap;
}

.phase-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
}

.book-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 13px 15px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background var(--t);
}

.book-card:hover { background: var(--bg-3); }

.book-card input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--gold);
  cursor: pointer;
}

.book-info h4 {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 2px;
}

.book-info p {
  font-size: 0.68rem;
  color: var(--text-3);
  line-height: 1.4;
}

.glossary-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
}

.glossary-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  padding: 11px 15px;
  border-bottom: 1px solid var(--border);
  transition: background var(--t);
}

.glossary-item:last-child { border-bottom: none; }
.glossary-item:hover { background: var(--bg-3); }

.glossary-term {
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--text);
}

/* ══════════════════════════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-3);
}

.empty-state p { font-size: 0.8rem; margin-bottom: 16px; }

/* ══════════════════════════════════════════════════════════════════════════════
   AUTH PAGES
   ══════════════════════════════════════════════════════════════════════════════ */
.auth-body {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(ellipse at 50% 0%, rgba(107,72,255,0.1) 0%, transparent 60%);
}

.auth-shell {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-card {
  padding: 36px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r2);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   BOTTOM NAV (mobile)
   ══════════════════════════════════════════════════════════════════════════════ */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  height: 54px;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-3);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--t);
  height: 100%;
}

.tab-item.active { color: var(--gold); }
.tab-item:hover  { color: var(--text-2); }

/* ══════════════════════════════════════════════════════════════════════════════
   LANDING PAGE
   ══════════════════════════════════════════════════════════════════════════════ */
.landing-body {
  background: var(--bg);
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.landing-nav {
  height: var(--nav-h);
  background: rgba(8,10,16,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.landing-nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Hero ── */
.hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 40px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(107,72,255,0.13) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid var(--border-v);
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: var(--gold-subtle);
  position: relative;
}

.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
  max-width: 800px;
  position: relative;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--gold) 0%, #a78bfa 60%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 36px;
  position: relative;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  margin-bottom: 64px;
}

/* Terminal mockup */
.terminal-wrap {
  width: 100%;
  max-width: 820px;
  position: relative;
}

.terminal-glow {
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse at center, rgba(107,72,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.terminal-mockup {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r2);
  overflow: hidden;
  box-shadow: 0 32px 100px rgba(0,0,0,0.7), 0 0 0 1px var(--border);
  position: relative;
}

.terminal-bar {
  background: var(--bg-3);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--border);
}

.t-dot { width: 10px; height: 10px; border-radius: 50%; }
.t-dot.red    { background: #ef5350; }
.t-dot.amber  { background: #f5a623; }
.t-dot.green  { background: #4caf50; }

.terminal-title {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-3);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
}

/* Mock SVG chart */
.mock-chart-wrap {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mock-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-chart-ticker {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.mock-chart-return {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--green);
  font-weight: 600;
}

.mock-svg {
  width: 100%;
  height: 90px;
}

/* Mock metrics column */
.mock-metrics {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-metric {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 11px 13px;
  transition: border-color var(--t);
}

.mock-metric:hover { border-color: var(--border-v); }

.mock-metric-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.mock-metric-val {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1;
}

.mock-metric-val.pos { color: var(--green); }
.mock-metric-val.neg { color: var(--red); }
.mock-metric-val.neu { color: var(--gold); }

/* Mock signal table */
.mock-table {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.mock-table-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.mock-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-2);
}

.mock-table-row:last-child { border-bottom: none; }

/* ── Stats Strip ── */
.stats-strip {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.strip-stat-val {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--gold);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.04em;
}

.strip-stat-label {
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
  font-family: var(--mono);
}

/* ── Features ── */
.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 0.9rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 44px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 24px;
  transition: all var(--t2);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--t2);
}

.feature-card:hover {
  border-color: var(--border-v);
  background: var(--bg-3);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 38px; height: 38px;
  background: var(--gold-subtle);
  border: 1px solid var(--border-v);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1rem;
}

.feature-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.65;
}

.feature-tag {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--text-3);
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 3px;
  text-transform: uppercase;
}

/* ── CTA Section ── */
.cta-section {
  padding: 80px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(107,72,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card {
  background: var(--bg-2);
  border: 1px solid var(--border-v);
  border-radius: var(--r3);
  padding: 60px 48px;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ── Landing Footer ── */
.landing-footer {
  border-top: 1px solid var(--border);
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  color: var(--text-3);
  font-family: var(--mono);
  flex-wrap: wrap;
  gap: 8px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .topnav { grid-template-columns: 200px 1fr 180px; }
  .topnav-link { padding: 6px 8px; font-size: 0.72rem; }
}

@media (max-width: 1000px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .panel-signals   { grid-column: 1; grid-row: 3; }
  .panel-backtests { grid-row: 2; }
  .custom-layout {
    grid-template-columns: 1fr;
  }
  .market-grid,
  .market-grid[data-view="three"],
  .market-grid[data-view="five"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .market-grid[data-view="five"] .market-tile-featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .topnav {
    grid-template-columns: 1fr auto;
    padding: 0 16px;
  }
  .topnav-links  { display: none; }
  .main-content  { padding: 20px 16px 72px; margin-top: var(--nav-h); }
  .ticker-strip  { display: none; }
  .bottom-nav    { display: flex; }
  .stat-grid,
  .stats-row     { grid-template-columns: repeat(2, 1fr); }
  .market-grid,
  .market-grid[data-view="three"],
  .market-grid[data-view="five"],
  .market-grid[data-view="all"] { grid-template-columns: 1fr; }
  .form-row      { grid-template-columns: 1fr; }
  .sandbox-layout { grid-template-columns: 1fr; }
  .terminal-body { grid-template-columns: 1fr; }
  .stats-strip   { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 24px; }
  .features      { padding: 48px 24px; }
  .landing-nav   { padding: 0 24px; }
  .landing-footer { padding: 20px 24px; }
  .cta-section   { padding: 48px 24px; }
  .cta-card      { padding: 36px 24px; }
  .market-toolbar {
    width: 100%;
    justify-content: flex-start;
  }
  .market-focus-picker {
    width: 100%;
  }
  .market-period-picker {
    width: 100%;
  }
  .market-focus-picker .search-input {
    flex: 1;
    width: auto;
    min-width: 0;
  }
  .market-period-picker .search-input {
    flex: 1;
    width: auto;
    min-width: 0;
  }
  .market-grid[data-view="five"] .market-tile-featured {
    grid-column: span 1;
  }
  .market-tile,
  .market-grid[data-view="one"] .market-tile,
  .market-grid[data-view="five"] .market-tile-featured {
    min-height: 240px;
  }
  .market-chart-wrap,
  .market-grid[data-view="one"] .market-chart-wrap,
  .market-grid[data-view="five"] .market-tile-featured .market-chart-wrap {
    height: 132px;
  }
}

@media (max-width: 500px) {
  .hero-title { font-size: 1.9rem; }
  .features-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════════════════════
   MISC / OVERRIDE COMPAT
   ══════════════════════════════════════════════════════════════════════════════ */

/* Sidebar removed — safety net for any stale refs */
.sidebar { display: none !important; }

/* Old .main-content with sidebar offset — nullified since we use fixed top nav */
body > .main-content { margin-left: 0; max-width: 100%; }

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* Selection */
::selection { background: var(--gold-dim); color: var(--text); }

/* ══════════════════════════════════════════════════════════════════════════════
   STRATEGIES PAGE
   ══════════════════════════════════════════════════════════════════════════════ */

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.category-pills {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.pill {
  padding: 5px 12px;
  border-radius: var(--r);
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-3);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t);
  white-space: nowrap;
}

.pill:hover {
  color: var(--text);
  background: var(--bg-3);
}

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

.search-input {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  padding: 6px 11px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--t);
  min-width: 200px;
}

.search-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-dim);
}

.search-input::placeholder { color: var(--text-3); }

/* Strategy cards — template uses .strat-card (not .strategy-card) */
.strat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}

.strat-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--t);
}

.strat-card:hover {
  background: var(--bg-3);
  border-color: var(--border-2);
  transform: translateY(-1px);
}

.strat-card:hover::before { opacity: 1; }

.strat-card-top {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.strat-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.strat-card-tagline {
  font-size: 0.74rem;
  color: var(--text-3);
  line-height: 1.5;
}

.strat-params {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.param-chip {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  letter-spacing: 0.04em;
}

.strat-card-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
  padding-top: 4px;
}

/* Custom strategy card */
.strat-card-custom {
  border-style: dashed;
}

/* Write Your Own promo card */
.strat-card-new {
  border-style: dashed;
  border-color: var(--border-v);
  align-items: center;
  text-align: center;
  justify-content: center;
}

.new-strat-icon {
  font-size: 1.8rem;
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 4px;
}

/* Category badges */
.badge-category {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  padding: 3px 7px;
  border-radius: 3px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  white-space: nowrap;
}

.badge-cat-mean-reversion { background: var(--green-dim);    color: var(--green); }
.badge-cat-momentum        { background: var(--gold-subtle);  color: var(--gold); }
.badge-cat-volatility      { background: var(--red-dim);      color: var(--red); }
.badge-cat-factor          { background: var(--blue-dim);     color: var(--blue); }
.badge-cat-statistical     { background: rgba(107,72,255,.12); color: #9b7fff; }
.badge-cat-my              { background: var(--bg-4);         color: var(--text-2); }

/* Difficulty badges */
.badge-difficulty {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  padding: 3px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  white-space: nowrap;
}

.badge-diff-beginner     { color: var(--green); border: 1px solid var(--green-dim); }
.badge-diff-intermediate { color: var(--amber); border: 1px solid var(--amber-dim); }
.badge-diff-advanced     { color: var(--red);   border: 1px solid var(--red-dim); }

/* ══════════════════════════════════════════════════════════════════════════════
   COMPARE PAGE — strategy picker chips
   ══════════════════════════════════════════════════════════════════════════════ */

.compare-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 14px 0 4px;
}

@media (max-width: 900px)  { .compare-picker { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .compare-picker { grid-template-columns: repeat(2, 1fr); } }

.compare-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--bg-3);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--t);
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
}

.compare-chip:hover {
  border-color: var(--border-2);
  color: var(--text);
  background: var(--bg-4);
}

.compare-chip input[type="checkbox"] {
  accent-color: var(--gold);
  width: 11px;
  height: 11px;
  cursor: pointer;
  flex-shrink: 0;
}

.compare-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.compare-chip:has(input:checked) {
  border-color: var(--gold);
  background: var(--gold-dim);
  color: var(--gold);
}

/* 4-column form row for compare page */
.form-row-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 768px) {
  .form-row-4 { grid-template-columns: 1fr 1fr; }
}

/* ══════════════════════════════════════════════════════════════════════════════
   SIGNALS FILTER BAR
   ══════════════════════════════════════════════════════════════════════════════ */
.signals-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
}

.filter-divider {
  width: 1px;
  height: 20px;
  background: var(--border-2);
  flex-shrink: 0;
}

.strength-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 3px;
  background: var(--bg-4);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.strength-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  box-shadow: 0 0 6px var(--gold-glow);
}

.strength-val {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--gold);
  min-width: 28px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   GUIDE PAGE
   ══════════════════════════════════════════════════════════════════════════════ */
.guide-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
}

.guide-nav {
  position: sticky;
  top: calc(var(--nav-h) + var(--strip-h) + 20px);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 16px;
}

.guide-nav-title {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

.guide-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--r);
  color: var(--text-3);
  font-size: 0.74rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--t);
  margin-bottom: 2px;
}

.guide-nav-link:hover {
  color: var(--text);
  background: var(--bg-3);
}

.guide-nav-link.active {
  color: var(--gold);
  background: var(--gold-subtle);
}

.guide-sections { display: flex; flex-direction: column; gap: 20px; }

.guide-section {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  scroll-margin-top: calc(var(--nav-h) + var(--strip-h) + 20px);
}

.guide-section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}

.guide-icon {
  width: 36px; height: 36px;
  background: var(--gold-subtle);
  border: 1px solid var(--border-v);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.guide-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.guide-section-subtitle {
  font-size: 0.74rem;
  color: var(--text-3);
  margin-top: 2px;
  font-family: var(--mono);
}

.guide-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.guide-p {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.8;
}

.guide-tip {
  background: var(--gold-subtle);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.7;
}

.guide-warning {
  background: var(--red-dim);
  border-left: 3px solid var(--red);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.7;
}

.guide-dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.guide-dt {
  background: var(--bg-3);
  padding: 9px 13px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gold);
  display: flex;
  align-items: flex-start;
}

.guide-dd {
  background: var(--bg-2);
  padding: 9px 13px;
  border-bottom: 1px solid var(--border);
  font-size: 0.76rem;
  color: var(--text-2);
  line-height: 1.6;
  display: block;
}

.guide-dt:last-of-type,
.guide-dd:last-of-type { border-bottom: none; }

.guide-method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.guide-method-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 16px;
}

.guide-method-card-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.guide-method-card-impl {
  font-size: 0.74rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 8px;
}

.guide-method-card-limit {
  font-size: 0.7rem;
  color: var(--red);
  line-height: 1.5;
  padding: 6px 10px;
  background: var(--red-dim);
  border-radius: var(--r);
}

@media (max-width: 900px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-nav { position: static; }
  .guide-dl { grid-template-columns: 1fr; }
}