:root {
  --bg: #0d1117;
  --text: #c9d1d9;
  --muted: #8b949e;
  --border: #30363d;
  --link: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --surface: #161b22;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

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

h1,
h2,
h3,
p,
ul,
ol,
pre,
table,
hr {
  margin: 0 0 16px;
}

h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: 1.2rem;
}

h3 {
  font-size: 1rem;
  color: var(--muted);
}

ul,
ol {
  padding-left: 20px;
}

li + li {
  margin-top: 4px;
}

strong {
  color: #f0f6fc;
}

code,
pre {
  font: inherit;
}

code {
  padding: 0.05em 0.35em;
  border: 1px solid var(--border);
}

pre {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--border);
  white-space: pre;
  font-size: 0.9rem;
  line-height: 1.5;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--surface);
  position: sticky;
  top: 0;
}

td {
  font-size: 0.9rem;
}

.site-shell {
  width: min(100%, 1060px);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Nav ── */
.site-nav {
  border-bottom: 1px solid var(--border);
}

.site-nav__scroll {
  overflow-x: auto;
}

.site-nav__line {
  display: flex;
  align-items: center;
  gap: 24px;
  min-width: max-content;
  padding: 12px 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.site-brand img {
  width: 32px;
  height: 32px;
}

.site-nav__pages,
.site-nav__social {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.site-nav__pages a {
  color: var(--muted);
}

.site-nav__pages a[aria-current="page"] {
  color: #f0f6fc;
  font-weight: 700;
  text-decoration: none;
}

.site-nav__social {
  margin-left: auto;
  font-size: 0.95rem;
}

/* ── Page ── */
.page {
  padding-top: 32px;
  padding-bottom: 56px;
}

.subtitle,
.muted,
.empty-state,
footer {
  color: var(--muted);
}

.subtitle {
  font-size: 1rem;
}

.prelaunch-note {
  color: var(--yellow);
  font-size: 0.95rem;
  font-style: italic;
}

.data-line {
  overflow-x: auto;
  white-space: nowrap;
}

/* ── Border Block ── */
.border-block {
  margin-bottom: 0;
  padding: 16px;
  border: 1px solid var(--border);
}

.border-block h2:last-child,
.border-block p:last-child {
  margin-bottom: 0;
}

/* ── Pick Card ── */
.pick-card {
  border-color: var(--green);
  background: rgba(63, 185, 80, 0.05);
}

/* ── Two-Up Layout ── */
.two-up {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.two-up > .border-block {
  margin-bottom: 0;
}

/* ── Status Colors ── */
.status-pending {
  color: var(--yellow);
}

.status-win {
  color: var(--green);
}

.status-loss {
  color: var(--red);
}

.status-paper {
  color: var(--yellow);
}

.edge-positive {
  color: var(--green);
}

/* ── P&L Colors ── */
.pnl-positive {
  color: var(--green);
}

.pnl-negative {
  color: var(--red);
}

/* ── Factor Breakdown (Visual Bars) ── */
.factor-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0;
}

.factor-item {
  padding: 8px 0;
}

.factor-bar-wrap {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.factor-bar {
  height: 100%;
  background: var(--green);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.factor-bar--low {
  background: var(--yellow);
}

.factor-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
}

.factor-name {
  font-weight: 700;
  color: #f0f6fc;
}

.factor-score {
  color: var(--muted);
  font-size: 0.85rem;
}

.factor-detail {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Top 10 Table ── */
.top10-wrap {
  overflow-x: auto;
}

.top10-wrap table {
  min-width: 700px;
}

.top10-wrap td:nth-child(5),
.top10-wrap td:nth-child(6) {
  text-align: right;
}

.top10-wrap th:nth-child(5),
.top10-wrap th:nth-child(6) {
  text-align: right;
}

/* ── Stat Number ── */
.stat-big {
  font-size: 1.8rem;
  font-weight: 700;
  color: #f0f6fc;
  line-height: 1.2;
}

.stat-big.pnl-positive {
  color: var(--green);
}

.stat-big.pnl-negative {
  color: var(--red);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item {
  min-width: 80px;
}

/* ── CTA Block ── */
.cta-block {
  text-align: center;
  padding: 24px 16px;
  border: 1px solid var(--border);
}

.cta-block a {
  display: inline-block;
  margin: 0 12px;
  font-weight: 700;
}

/* ── Table Wrap ── */
.table-wrap {
  overflow-x: auto;
}

.empty-state {
  text-align: center;
}

footer {
  font-size: 0.95rem;
}

/* ── Ledger Table ── */
.ledger-table {
  min-width: 800px;
}

.ledger-table tbody tr:nth-child(even) {
  background: var(--surface);
}

.ledger-table tbody tr:hover {
  background: rgba(88, 166, 255, 0.06);
}

.row-win {
  border-left: 3px solid var(--green);
}

.row-loss {
  border-left: 3px solid var(--red);
}

.row-push {
  border-left: 3px solid var(--muted);
}

.ledger-table tfoot {
  border-top: 2px solid var(--text);
}

.ledger-table tfoot td {
  background: var(--surface);
  font-weight: 700;
}

.ledger-table td:nth-child(5),
.ledger-table td:nth-child(6),
.ledger-table td:nth-child(7),
.ledger-table td:nth-child(8) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.ledger-table th:nth-child(5),
.ledger-table th:nth-child(6),
.ledger-table th:nth-child(7),
.ledger-table th:nth-child(8) {
  text-align: right;
}

/* ── Model Factors (About page) ── */
.model-factors {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 16px 0;
}

.model-factor {
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.model-factor h3 {
  margin-bottom: 8px;
  color: #f0f6fc;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.factor-weight {
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 700;
}

.model-factor p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text);
}

/* ── Mobile ── */
@media (max-width: 700px) {
  body {
    font-size: 15px;
  }

  .site-shell {
    padding: 0 16px;
  }

  .page {
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .site-nav__line {
    gap: 18px;
  }

  .two-up {
    grid-template-columns: 1fr;
  }

  .stat-big {
    font-size: 1.5rem;
  }

  .stat-row {
    gap: 20px;
  }

  pre {
    font-size: 0.82rem;
    padding: 12px;
  }

  .model-factor {
    padding: 12px;
  }

  .ledger-table {
    min-width: 600px;
    font-size: 0.82rem;
  }

  .ledger-table th,
  .ledger-table td {
    padding: 6px 8px;
  }
}