/* Ledger: a statement, not a magazine. */
:root {
  --paper: #ffffff;
  --paper-2: #f4f4f4;
  --ink: #000000;
  --ink-2: #333333;
  --ink-3: #767676;
  --rule: #dddddd;
  --accent: #000000;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --measure: min(62ch, 100%);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { font-size: 17px; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-wrap: anywhere;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.5;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.15em; }
.wrap { max-width: 56rem; width: 100%; margin: 0 auto; padding: 0 1.25rem; }
main.wrap { flex: 1; }
.rule { border-top: 1px solid var(--rule); }

/* masthead */
.masthead-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 1.4rem 1.25rem 0.9rem; flex-wrap: wrap; }
.brand { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; }
.nav { display: flex; gap: 1.25rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); flex-wrap: wrap; }
.nav a:hover { color: var(--ink); }

/* intro */
.intro { padding: 2.4rem 0 1.6rem; max-width: var(--measure); }
.lede { font-size: 1.55rem; line-height: 1.25; margin: 0 0 0.9rem; letter-spacing: -0.005em; }
.fine { color: var(--ink-2); margin: 0; }

/* ledger table */
.ledger { margin: 0.5rem 0 2.5rem; border-top: 1px solid var(--ink); }
.ledger-head, .row {
  display: grid;
  grid-template-columns: 7.2rem 4.2rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule);
}
.ledger-head { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.row:hover { background: var(--paper-2); text-decoration: none; }
.row-date, .row-kind { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-2); }
.row-kind { text-transform: uppercase; letter-spacing: 0.08em; }
.row-title { font-size: 1.02rem; }
@media (max-width: 560px) {
  .ledger-head { display: none; }
  .row { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* pagination */
.pagination { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); padding: 0 0 2.5rem; }
.pagination .page-number { color: var(--ink-3); }

/* post */
.post { max-width: var(--measure); padding: 2.4rem 0 1rem; }
.post-meta { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); display: flex; gap: 0.6rem; align-items: center; }
.dot::before { content: "\00b7"; }
.post-title { font-size: 1.9rem; line-height: 1.15; margin: 0.6rem 0 1.6rem; letter-spacing: -0.01em; font-weight: 500; }
.post-body p { margin: 0 0 1.1rem; }
.post-body h2 { font-size: 1.15rem; font-weight: 600; margin: 2rem 0 0.7rem; letter-spacing: -0.005em; }
.post-body h3 { font-size: 1rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.post-body a { text-decoration: underline; text-underline-offset: 0.15em; text-decoration-color: var(--rule); }
.post-body a:hover { text-decoration-color: var(--ink); }

/* fact lists render as ledger rows */
.post-body ul { list-style: none; margin: 0 0 1.3rem; padding: 0; border-top: 1px solid var(--rule); }
.post-body ul li { padding: 0.42rem 0; border-bottom: 1px solid var(--rule); font-family: var(--mono); font-size: 0.82rem; color: var(--ink-2); }
.post-body ol { padding-left: 1.3rem; margin: 0 0 1.2rem; }

/* tables (backtest reports) */
.post-body table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.78rem; margin: 0.4rem 0 1.6rem; border-top: 1px solid var(--ink); }
.post-body th, .post-body td { text-align: left; padding: 0.4rem 0.5rem 0.4rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.post-body th { font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.66rem; color: var(--ink-3); }
.post-body td:last-child, .post-body th:last-child { text-align: right; padding-right: 0; }
.post-body figure { margin: 1.4rem 0; }
.post-body img { max-width: 100%; height: auto; display: block; filter: var(--img-filter, none); }
.post-body figcaption { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-3); margin-top: 0.4rem; letter-spacing: 0.04em; }
.post-body blockquote { margin: 1.2rem 0; padding-left: 1rem; border-left: 2px solid var(--rule); color: var(--ink-2); }
.post-body hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }
.post-body code { font-family: var(--mono); font-size: 0.85em; }
.post-body pre { font-family: var(--mono); font-size: 0.78rem; background: var(--paper-2); padding: 0.9rem 1rem; overflow-x: auto; }

.post-foot { margin-top: 2.2rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: 0.95rem; }
.post-foot a { text-decoration: underline; text-underline-offset: 0.15em; }
.adjacent { max-width: var(--measure); margin: 0.4rem 0; font-size: 0.95rem; }
.adjacent .label { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-right: 0.6rem; }

/* native members forms (Ghost toggles loading / success / error on the form) */
.subscribe, .signin { margin: 0.4rem 0 0.8rem; max-width: 34rem; }
.subscribe-label { display: block; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.4rem; }
.subscribe-row { display: flex; gap: 0; border: 1px solid var(--ink); }
.subscribe-input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font-family: var(--mono); font-size: 0.86rem; padding: 0.6rem 0.7rem; outline: none; }
.subscribe-input::placeholder { color: var(--ink-3); }
.subscribe-button { border: 0; border-left: 1px solid var(--ink); background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; padding: 0.6rem 1rem; cursor: pointer; }
.subscribe-button:hover { background: var(--ink-2); border-color: var(--ink-2); }
.subscribe-button.secondary { background: transparent; color: var(--ink); }
.subscribe-button.secondary:hover { background: var(--paper-2); }
.subscribe-note, .subscribe-state { font-size: 0.88rem; color: var(--ink-2); margin: 0.5rem 0 0; }
.subscribe-state { display: none; }
.subscribe.loading .subscribe-loading, .signin.loading .subscribe-loading { display: block; }
.subscribe.success .subscribe-success, .signin.success .subscribe-success { display: block; }
.subscribe.error .subscribe-error, .signin.error .subscribe-error { display: block; }
.subscribe.success .subscribe-row, .subscribe.success .subscribe-note, .subscribe.success .subscribe-label,
.signin.success .subscribe-row, .signin.success .fine { display: none; }
.subscribe.loading .subscribe-button, .signin.loading .subscribe-button { opacity: 0.5; pointer-events: none; }