:root {
  --bg: #081019;
  --bg-soft: #0d1626;
  --panel: rgba(15, 24, 40, 0.9);
  --panel-2: rgba(10, 16, 28, 0.92);

  /* Sticky chart toolbar clears sticky site header (.header-inner min-height). */
  --benchmark-header-height: 76px;

  --line: rgba(143, 184, 255, 0.16);
  --line-strong: rgba(143, 184, 255, 0.28);

  --text: #ecf2ff;
  --soft: #c8d4ea;
  --muted: #95a6c5;

  --primary: #7db0ff;
  --primary-strong: #a5c6ff;
  --accent: #64f1c1;
  --accent-warm: #ffc96b;

  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);

  --radius-xl: 28px;
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 14px;

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  /* Read-only metadata (chips, dl cells) - flatter than interactive pills */
  --surface-meta: rgba(255, 255, 255, 0.035);
  --border-meta: rgba(143, 184, 255, 0.09);
  --accent-meta-bar: rgba(125, 176, 255, 0.42);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top right, rgba(125, 176, 255, 0.1), transparent 28%),
    radial-gradient(circle at 0% 30%, rgba(100, 241, 193, 0.06), transparent 24%),
    linear-gradient(180deg, #081019 0%, #09111d 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(143, 184, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 184, 255, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

::selection {
  background: rgba(125, 176, 255, 0.28);
  color: var(--text);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

code {
  font-family: var(--font-mono);
  font-size: 0.94em;
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 40;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  clip-path: inset(100%);
  clip: rect(0 0 0 0);
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
}

.skip-link:focus {
  clip-path: none;
  clip: auto;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(8, 16, 25, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 44px;
  text-decoration: none;
}

/* Same square duel mark as duellab.org (inline SVG data URL). */
.brand-mark {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2064%2064'%3E%3Crect%20width%3D'64'%20height%3D'64'%20rx%3D'14'%20fill%3D'%23081019'%2F%3E%3Crect%20x%3D'30'%20y%3D'12'%20width%3D'4'%20height%3D'40'%20rx%3D'2'%20fill%3D'%239dc1ff'%2F%3E%3Crect%20x%3D'10'%20y%3D'23'%20width%3D'18'%20height%3D'18'%20rx%3D'4'%20fill%3D'%2364f1c1'%2F%3E%3Crect%20x%3D'36'%20y%3D'23'%20width%3D'18'%20height%3D'18'%20rx%3D'4'%20fill%3D'%23ffc96b'%2F%3E%3C%2Fsvg%3E")
    center / 100% 100% no-repeat;
  box-shadow: 0 0 0 1px var(--line-strong);
}

.brand-lockup {
  display: grid;
  gap: 0.08rem;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.025em;
  font-size: 1.02rem;
}

.brand-tag {
  color: var(--muted);
  font-size: 0.82rem;
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--soft);
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.header-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.page {
  padding: 1.25rem 0 3.5rem;
}

.context-panel,
.hero-card,
.card,
.table-card {
  position: relative;
  overflow: hidden;
}

.context-panel,
.hero-card,
.table-card {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(15, 24, 40, 0.94), rgba(10, 16, 28, 0.9));
  box-shadow: var(--shadow);
}

.context-panel,
.hero-card {
  border-radius: var(--radius-xl);
}

.context-panel {
  padding: 1.15rem 1.2rem;
}

.context-panel::before,
.hero-card::before,
.table-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(125, 176, 255, 0.12), transparent 34%),
    radial-gradient(circle at bottom left, rgba(100, 241, 193, 0.07), transparent 30%);
}

.context-row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 0.9rem 1rem;
  flex-wrap: wrap;
}

.context-row + .context-row {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(143, 184, 255, 0.12);
}

.context-row--top {
  justify-content: space-between;
  align-items: center;
}

.breadcrumb,
.version-pill,
.context-label,
.eyebrow,
.section-label,
.card-kicker,
.table-meta,
.badge {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.breadcrumb {
  margin: 0;
  color: var(--muted);
}

.version-pill,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.version-pill {
  color: #081019;
  background: linear-gradient(135deg, var(--accent-warm), #ffd99a);
  font-weight: 700;
}

.context-label {
  color: var(--muted);
  min-width: 70px;
  padding-top: 0.45rem;
}

.pill-list,
.meta-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

/* Table / card metadata: not interactive; distinct from nav pills */
.meta-chip-list {
  gap: 0.4rem 0.5rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0.22rem 0.55rem 0.22rem 0.5rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  line-height: 1.3;
  color: var(--soft);
  background: var(--surface-meta);
  border: 1px solid var(--border-meta);
  border-left: 3px solid var(--accent-meta-bar);
  cursor: default;
  user-select: none;
}

.pill-link,
.pill-current,
.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease,
    border-color 0.18s ease;
}

.pill-link,
.footer-nav a {
  color: var(--soft);
  border: 1px solid rgba(143, 184, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.pill-link:hover,
.footer-nav a:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-color: rgba(143, 184, 255, 0.24);
}

.pill-current {
  color: var(--text);
  font-weight: 700;
  border: 1px solid rgba(125, 176, 255, 0.3);
  background: rgba(125, 176, 255, 0.14);
  cursor: default;
}

/* Site row: same row chrome as Tracks; inline text links instead of pills */
.context-row--pages .context-label {
  padding-top: 0.42rem;
}

.site-nav {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.2rem;
  padding-top: 0.32rem;
  font-size: 0.8125rem;
  line-height: 1.35;
}

.site-nav-link {
  color: var(--soft);
  text-decoration: none;
  padding: 0.15rem 0.2rem;
  margin: 0 -0.05rem;
  border-radius: 6px;
  transition:
    color 0.15s ease,
    background 0.15s ease;
}

.site-nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav-link:focus-visible {
  outline: 2px solid rgba(125, 176, 255, 0.55);
  outline-offset: 2px;
}

.site-nav-current {
  color: var(--text);
  font-weight: 600;
  padding: 0.15rem 0.2rem;
  margin: 0 -0.05rem;
  cursor: default;
  user-select: none;
  box-shadow: 0 1px 0 0 rgba(125, 176, 255, 0.65);
}

.site-nav-sep {
  color: var(--muted);
  opacity: 0.65;
  user-select: none;
  padding: 0 0.12rem;
  font-weight: 400;
}

/* Tracks row: primary pill strip for reasoning / overall / mixed */
.context-row--tracks .context-label {
  color: var(--soft);
  opacity: 0.95;
}

.context-row--tracks .pill-list {
  gap: 0.6rem;
}

.page-hero {
  padding: 1.75rem 0 1.35rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 1.5rem 2rem;
  align-items: start;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--primary-strong);
  margin-bottom: 1rem;
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(100, 241, 193, 0.1);
}

.page-title {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero-text {
  max-width: 64ch;
  margin-bottom: 0;
  color: var(--soft);
  font-size: 1.05rem;
}

.hero-card {
  padding: 1.35rem;
}

.card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.pill {
  color: #081019;
  background: linear-gradient(135deg, var(--primary), #a7cbff);
  font-weight: 700;
  font-size: 0.82rem;
}

.card-kicker {
  color: var(--muted);
}

.hero-card h2,
.card h2,
.table-title {
  position: relative;
  z-index: 1;
  margin-bottom: 0.7rem;
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero-card h2 {
  font-size: 1.5rem;
}

.hero-card p,
.card p,
.card li,
.table-subtitle,
.table-footer {
  position: relative;
  z-index: 1;
  color: var(--soft);
}

.meta-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1rem;
  margin: 1.1rem 0 0;
}

.meta-list div {
  padding: 0.55rem 0 0.55rem 0.75rem;
  border-radius: 0;
  border: none;
  border-left: 2px solid rgba(125, 176, 255, 0.28);
  background: transparent;
  cursor: default;
}

.meta-list dt {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

.meta-list dd {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
}

.content-stack {
  display: grid;
  gap: 1rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.3rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 21, 35, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.card h2 {
  font-size: 1.55rem;
}

.clean-list {
  margin: 0.25rem 0 0;
  padding-left: 1.2rem;
}

.clean-list li + li {
  margin-top: 0.8rem;
}

.alert-preview {
  padding: 1rem 1rem 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 201, 107, 0.22);
  border-left: 4px solid var(--accent-warm);
  background: rgba(255, 201, 107, 0.08);
  color: var(--soft);
}

.table-card {
  border-radius: var(--radius-xl);
}

.table-header {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem 1.5rem;
  padding: 1.2rem 1.3rem 1rem;
  border-bottom: 1px solid rgba(143, 184, 255, 0.12);
}

.table-title {
  margin: 0;
  font-size: 1.42rem;
}

.table-subtitle {
  margin: 0.45rem 0 0;
}

.table-meta {
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 0.95rem 1rem;
  text-align: left;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--soft);
  background: rgba(17, 27, 45, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(143, 184, 255, 0.16);
}

tbody td {
  padding: 0.95rem 1rem;
  border-top: 1px solid rgba(143, 184, 255, 0.12);
  color: var(--text);
}

tbody tr {
  background: rgba(10, 16, 28, 0.38);
}

tbody tr:nth-child(even) {
  background: rgba(16, 26, 44, 0.46);
}

tbody tr:hover {
  background: rgba(24, 38, 63, 0.84);
}

tbody td:first-child {
  font-weight: 600;
}

td.num,
th.num {
  text-align: right;
}

th.reasoning-breakdown-col,
td.reasoning-breakdown-col {
  max-width: 15rem;
  font-size: 0.84rem;
  color: var(--soft);
  line-height: 1.35;
  vertical-align: middle;
}

.reasoning-breakdown {
  display: inline-block;
  white-space: normal;
  word-break: break-word;
}

.table-footer {
  padding: 1rem 1.3rem 1.2rem;
  margin: 0;
  border-top: 1px solid rgba(143, 184, 255, 0.12);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
}

.badge-stable {
  background: rgba(100, 241, 193, 0.12);
  color: #9df2d8;
}

.badge-provisional {
  background: rgba(255, 201, 107, 0.12);
  color: #ffd998;
}

.badge-under_tested {
  background: rgba(255, 138, 138, 0.12);
  color: #ffb1b1;
}

.site-footer {
  padding: 0 0 2.5rem;
}

.footer-inner {
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --benchmark-header-height: 72px;
  }

  .container {
    width: min(1180px, calc(100% - 1.25rem));
  }

  .page {
    padding-top: 1rem;
  }

  .header-inner {
    min-height: 72px;
  }

  .context-label {
    min-width: 100%;
    padding-top: 0;
  }

  .meta-list {
    grid-template-columns: 1fr;
  }

  .table-header {
    flex-direction: column;
    align-items: flex-start;
  }

  table {
    min-width: 620px;
  }

  body::before {
    opacity: 0.16;
  }
}

/* --- Charts page (charts.html) --- */
.charts-main {
  gap: 1.75rem;
}

.chart-controls-card {
  margin-bottom: 0.25rem;
}

.chart-reasoning-sticky {
  position: sticky;
  top: var(--benchmark-header-height);
  z-index: 25;
  margin-bottom: 0.25rem;
  padding: 1.1rem 1.25rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 24, 40, 0.98), rgba(10, 16, 28, 0.96));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.chart-reasoning-sticky .section-label {
  margin-bottom: 0.35rem;
}

.chart-reasoning-sticky-hint {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.chart-intro code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent);
}

.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.chart-search-label {
  flex: 1 1 220px;
  min-width: 180px;
}

.chart-search-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
}

.chart-search-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.chart-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chart-btn {
  cursor: pointer;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface-meta);
  color: var(--soft);
  font: inherit;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.chart-btn:hover {
  background: rgba(125, 176, 255, 0.12);
  border-color: var(--primary);
  color: var(--text);
}

.chart-btn.is-active {
  background: rgba(125, 176, 255, 0.22);
  border-color: var(--primary);
  color: var(--text);
}

.chart-spread-toolbar,
.chart-reasoning-toolbar {
  margin-bottom: 0.75rem;
}

.chart-model-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.35rem 1.25rem;
  margin-top: 1rem;
  max-height: 220px;
  overflow-y: auto;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-meta);
  background: rgba(0, 0, 0, 0.15);
}

.chart-model-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
}

.chart-model-row input {
  accent-color: var(--accent);
  width: 1.05rem;
  height: 1.05rem;
}

.chart-model-row label {
  cursor: pointer;
  color: var(--soft);
}

.chart-card {
  margin: 0;
  padding: 1.25rem 1.35rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.chart-card-caption {
  margin: 0 0 1rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.chart-card-caption .section-label {
  margin-right: 0.5rem;
}

.plot-root {
  font-family: var(--font-sans);
  color: var(--muted);
}

.plot-root svg {
  max-width: 100%;
  height: auto;
  background: transparent !important;
}

.plot-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.plot-reasoning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  align-items: start;
}

@media (max-width: 960px) {
  .plot-reasoning-grid {
    grid-template-columns: 1fr;
  }
}

.plot-reasoning-cell {
  min-width: 0;
}

.plot-reasoning-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.chart-empty {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.chart-footnote {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.chart-coming-soon {
  margin: 0;
}

.chart-coming-soon .table-subtitle {
  margin: 0;
}

.economics-active-panel {
  margin: 0;
}

.chart-footnote code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent-warm);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::before,
  .site-header,
  .context-panel,
  .site-footer {
    display: none !important;
  }

  .page {
    padding: 0;
  }

  .hero-card,
  .card,
  .table-card {
    box-shadow: none;
    border: 1px solid #ccc;
    background: #fff;
    color: #000;
  }

  .hero-card *,
  .card *,
  .table-card * {
    color: #000 !important;
  }

  thead th {
    position: static;
    background: #f0f0f0;
    color: #000;
  }

  tbody tr,
  tbody tr:nth-child(even) {
    background: #fff;
  }
}