/* ==========================================================================
   Toolsummary — "Price Ledger" theme
   An editorial data-broadsheet system: warm paper, ink rules, a characterful
   serif for display, and monospace tabular figures for anything numeric.
   Everything is driven by the tokens in :root.
   ========================================================================== */

:root {
  /* Surfaces — warm paper rather than the default cold white */
  --paper: #fbf7f0;
  --paper-2: #f4ede0;
  --card: #ffffff;
  --masthead: #17130f;
  --masthead-ink: #f7f1e6;

  /* Ink */
  --ink: #191512;
  --ink-2: #4a423b;
  --ink-3: #7d746a;

  /* Rules — the ledger lines that carry the whole layout */
  --rule: #e4dac9;
  --rule-2: #d3c6b0;
  --rule-strong: #b9a888;

  /* Accents */
  --teal: #0a6b72;
  --teal-ink: #064e53;
  --teal-wash: #e3f0ef;
  --down: #1a7f4b;      /* a price that fell — good for a buyer */
  --down-wash: #e6f4ec;
  --up: #c2410c;        /* a price that rose */
  --up-wash: #fbe9df;

  /* Type */
  --display: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Rhythm */
  --wrap: 1120px;
  --gap: 24px;
  --radius: 3px;
  --shadow: 0 1px 0 rgba(25, 21, 18, .04), 0 8px 24px -18px rgba(25, 21, 18, .35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--paper);
  /* Faint ledger ruling + a warm vignette, so the page has atmosphere
     instead of reading as a flat fill. */
  background-image:
    radial-gradient(1200px 600px at 50% -200px, rgba(10, 107, 114, .05), transparent 70%),
    repeating-linear-gradient(to bottom, transparent 0 27px, rgba(25, 21, 18, .022) 27px 28px);
  color: var(--ink);
  font: 400 16.5px/1.62 var(--sans);
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

a { color: var(--teal-ink); text-decoration-color: rgba(10, 107, 114, .35); text-underline-offset: 2px; }
a:hover { color: var(--up); text-decoration-color: currentColor; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  font-variation-settings: "opsz" 60;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--ink);
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(30px, 4.4vw, 46px); }
h2 { font-size: clamp(22px, 2.6vw, 29px); margin-top: 1.9em; }
h3 { font-size: 19px; }

p { margin: 0 0 1em; }
p.lede { font-size: 19px; color: var(--ink-2); max-width: 62ch; }

/* --------------------------------------------------------------- masthead */

.masthead {
  background: var(--masthead);
  color: var(--masthead-ink);
  border-bottom: 3px double rgba(247, 241, 230, .22);
}
.masthead__bar {
  display: flex; align-items: center; gap: 18px;
  min-height: 66px; flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand__mark {
  font-family: var(--display); font-weight: 700; font-size: 25px;
  letter-spacing: -.02em; color: var(--masthead-ink);
}
.brand__mark em { font-style: normal; color: #7fd6cf; }
.brand__tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em;
  text-transform: uppercase; color: rgba(247, 241, 230, .55);
  border-left: 1px solid rgba(247, 241, 230, .25); padding-left: 10px;
}

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .07em;
  text-transform: uppercase; text-decoration: none;
  color: rgba(247, 241, 230, .82);
  padding: 9px 12px; border-radius: var(--radius);
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: #fff; background: rgba(247, 241, 230, .08); }
.nav a[aria-current="page"] { color: #fff; border-bottom-color: #7fd6cf; }
.nav .nav__cta {
  color: var(--masthead); background: #7fd6cf; font-weight: 600;
  border-bottom-color: transparent;
}
.nav .nav__cta:hover { background: #fff; color: var(--masthead); }

.nav__toggle {
  display: none; margin-left: auto;
  background: none; border: 1px solid rgba(247, 241, 230, .35);
  border-radius: var(--radius); color: var(--masthead-ink);
  font-family: var(--mono); font-size: 12px; padding: 8px 11px; cursor: pointer;
}

/* ticker — the signature element: a market strip under the masthead */
.ticker {
  background: #221d17;
  border-bottom: 1px solid rgba(247, 241, 230, .12);
  overflow-x: auto; scrollbar-width: thin;
}
.ticker__row {
  display: flex; align-items: stretch; gap: 0;
  min-width: max-content;
}
.ticker__cell {
  display: flex; flex-direction: column; gap: 3px;
  padding: 11px 20px; border-right: 1px solid rgba(247, 241, 230, .12);
}
.ticker__cell:first-child { padding-left: 0; }
.ticker__label {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .15em;
  text-transform: uppercase; color: rgba(247, 241, 230, .48);
}
.ticker__value {
  font-family: var(--mono); font-size: 15px; font-weight: 500;
  color: var(--masthead-ink); white-space: nowrap;
}
.ticker__value .d { font-size: 12px; }
.ticker__value .d--down { color: #6fe0a8; }
.ticker__value .d--up { color: #ff9a6b; }

/* ------------------------------------------------------------------ layout */

main { padding: 42px 0 72px; }

.crumbs {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px;
}
.crumbs a { color: var(--ink-3); }
.crumbs span { color: var(--rule-strong); padding: 0 7px; }

.stamp {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  margin: -2px 0 20px; letter-spacing: .01em;
}

.hero { max-width: 78ch; }
.hero h1 { margin-bottom: .35em; }
.hero__rule {
  height: 6px; border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--ink); margin: 0 0 26px;
}

/* answer / callout — the "short answer" block, restyled as a data card */
.answer {
  position: relative;
  background: var(--card);
  border: 1px solid var(--rule-2);
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px 17px;
  margin: 22px 0 30px;
  box-shadow: var(--shadow);
  max-width: 80ch;
}
.answer strong { color: var(--ink); }
.answer__k { color: var(--teal-ink); }

/* stat strip */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(190px, 100%), 1fr));
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule); border-radius: var(--radius);
  margin: 26px 0 34px; overflow: hidden;
}
.stat { background: var(--card); padding: 16px 18px; }
.stat__label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: 7px;
}
.stat__value {
  font-family: var(--mono); font-size: 23px; font-weight: 500;
  font-variant-numeric: tabular-nums; color: var(--ink); line-height: 1.1;
}
.stat__sub { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; }

/* ------------------------------------------------------------------ tables */

.ledger-wrap { overflow-x: auto; margin: 18px 0 8px; }
table.ledger {
  border-collapse: collapse; width: 100%; font-size: 15px;
  background: var(--card);
  border: 1px solid var(--rule-2);
}
table.ledger caption {
  caption-side: bottom; text-align: left; padding: 10px 2px 0;
  font-size: 12.5px; color: var(--ink-3); font-family: var(--mono);
}
.ledger thead th {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-2); text-align: left;
  background: var(--paper-2);
  border-bottom: 2px solid var(--rule-strong);
  padding: 11px 13px; white-space: nowrap; position: sticky; top: 0; z-index: 1;
}
.ledger tbody td {
  padding: 10px 13px; border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.ledger tbody tr:last-child td { border-bottom: 0; }
.ledger tbody tr:nth-child(even) { background: rgba(244, 237, 224, .4); }
.ledger tbody tr:hover { background: var(--teal-wash); }
.ledger .num {
  text-align: right; font-family: var(--mono);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.ledger .rank { color: var(--ink-3); font-family: var(--mono); font-size: 13px; }
.ledger td.name { font-weight: 500; }
.ledger td.name a { text-decoration: none; border-bottom: 1px solid rgba(10,107,114,.3); }
.ledger td.name a:hover { border-bottom-color: var(--up); }
.ledger tfoot td {
  padding: 11px 13px; font-family: var(--mono); font-size: 12px;
  color: var(--ink-3); border-top: 2px solid var(--rule-strong);
  background: var(--paper-2);
}

/* price cells with delta */
.price { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.price--free { color: var(--down); font-weight: 600; }
.delta { font-size: 11.5px; margin-left: 7px; font-weight: 600; }
.delta--down { color: var(--down); }
.delta--up { color: var(--up); }
.delta--flat { color: var(--ink-3); }

/* tag */
.tag {
  display: inline-block; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 2px;
  background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--rule-2);
}
.tag--down { background: var(--down-wash); color: var(--down); border-color: #b9e0c9; }
.tag--up { background: var(--up-wash); color: var(--up); border-color: #f0c3a6; }
.tag--teal { background: var(--teal-wash); color: var(--teal-ink); border-color: #b6dcd9; }

/* ------------------------------------------------------------------ search */

.search { margin: 4px 0 12px; }
.search label {
  display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 7px;
}
.search__field {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--rule-2); border-radius: var(--radius);
  padding: 0 14px; box-shadow: var(--shadow);
}
.search__field:focus-within { border-color: var(--teal); outline: 2px solid var(--teal-wash); }
.search input {
  flex: 1; border: 0; background: none; padding: 13px 0;
  font: 400 16px var(--sans); color: var(--ink); outline: none;
}
.search__count {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3); white-space: nowrap;
}

/* -------------------------------------------------------------------- pager */

.pager {
  display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center;
  justify-content: space-between; margin: 16px 0 0;
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-3);
}
.pager__controls { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.pager__btn {
  font-family: var(--mono); font-size: 12.5px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule-2);
  border-radius: var(--radius); padding: 6px 10px; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.pager__btn:hover:not(:disabled) { border-color: var(--teal); color: var(--teal-ink); }
.pager__btn:disabled { opacity: .4; cursor: default; }
.pager__btn.is-current {
  background: var(--teal); border-color: var(--teal); color: var(--paper);
}
.pager__gap { padding: 6px 2px; color: var(--ink-3); }
@media (max-width: 560px) {
  .pager { justify-content: center; }
  .pager__info { flex-basis: 100%; text-align: center; }
}
.empty {
  display: none; padding: 22px; text-align: center; color: var(--ink-3);
  font-family: var(--mono); font-size: 13px; border: 1px dashed var(--rule-2);
  border-radius: var(--radius); background: var(--paper-2);
}
.empty.is-on { display: block; }

/* -------------------------------------------------------------------- cards */

.cards { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--rule-2); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px;
}
.card h3 { margin: 0; font-size: 20px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }
.card__meta {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-3); margin-top: auto; padding-top: 8px;
}

/* --------------------------------------------------------------------- blog */

.post-list { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule-2); border-radius: var(--radius); overflow: hidden; }
.post {
  background: var(--card); padding: 22px 24px; display: grid; gap: 7px;
  text-decoration: none; color: inherit;
}
.post:hover { background: var(--teal-wash); }
.post__meta { font-family: var(--mono); font-size: 11px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); }
.post h3 { margin: 0; font-size: 22px; }
.post p { margin: 0; color: var(--ink-2); max-width: 68ch; }
.post__more { font-family: var(--mono); font-size: 12px; color: var(--teal-ink); }

.prose { max-width: 70ch; }
.prose > h2 { margin-top: 1.7em; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li { margin: .35em 0; }
.prose blockquote {
  margin: 22px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--teal);
  font-family: var(--display); font-size: 20px; line-height: 1.45; color: var(--ink-2);
}
.prose code {
  font-family: var(--mono); font-size: .89em; background: var(--paper-2);
  border: 1px solid var(--rule); border-radius: 2px; padding: 1px 5px;
}
.prose pre {
  background: var(--masthead); color: var(--masthead-ink); padding: 16px 18px;
  border-radius: var(--radius); overflow-x: auto; font-size: 13.5px; line-height: 1.55;
}
.prose pre code { background: none; border: 0; padding: 0; color: inherit; }

.byline {
  display: flex; align-items: center; gap: 12px; padding: 14px 0 18px;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 0 0 26px;
}
.byline__avatar {
  width: 38px; height: 38px; border-radius: 50%; background: var(--teal);
  color: #fff; display: grid; place-items: center;
  font-family: var(--display); font-weight: 700; font-size: 16px;
}
.byline__name { font-weight: 600; font-size: 14.5px; }
.byline__role { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }

/* -------------------------------------------------------------------- forms */

.form { max-width: 720px; }
.form__grid { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
/* Grid items default to min-width:auto and refuse to shrink below their
   content, which pushes a wide input past the viewport edge on narrow phones.
   min-width:0 lets the track shrink and the input size to it. */
.form__grid > * { min-width: 0; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 14.5px; }
.field .hint { font-size: 13px; color: var(--ink-3); }
.field .req { color: var(--up); }
.field input, .field select, .field textarea {
  font: 400 16px var(--sans); color: var(--ink);
  background: var(--card); border: 1px solid var(--rule-2); border-radius: var(--radius);
  padding: 11px 13px; width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--teal-wash); border-color: var(--teal);
}
.field .err { font-size: 12.5px; color: var(--up); display: none; }
.field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--up); }
.field.is-bad .err { display: block; }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 13px; letter-spacing: .06em; text-transform: uppercase;
  padding: 12px 20px; border-radius: var(--radius); border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper); cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--teal-ink); border-color: var(--teal-ink); color: #fff; }
.btn--ghost { background: none; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 6px; }

.notice {
  border: 1px solid var(--rule-2); border-left: 4px solid var(--down);
  background: var(--down-wash); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px; margin: 0 0 26px; font-size: 15px;
}
.notice--info { border-left-color: var(--teal); background: var(--teal-wash); }
.notice--ok { border-left-color: var(--teal); background: var(--teal-wash); }

/* -------------------------------------------------------------------- modal */

.modal {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center; padding: 20px;
  background: rgba(25, 21, 18, .55);
  opacity: 0; transition: opacity .18s ease;
}
.modal[hidden] { display: none; }
.modal.is-on { opacity: 1; }
.modal__box {
  background: var(--card); border: 1px solid var(--rule-2);
  border-top: 4px solid var(--teal);
  border-radius: var(--radius); box-shadow: var(--shadow);
  max-width: 420px; width: 100%; padding: 26px 24px 22px;
  text-align: center; transform: translateY(8px); transition: transform .18s ease;
}
.modal.is-on .modal__box { transform: none; }
.modal--error .modal__box { border-top-color: var(--up); }
.modal__icon {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  display: grid; place-items: center; font-size: 22px; line-height: 1;
  background: var(--teal-wash); color: var(--teal-ink);
}
.modal--error .modal__icon { background: var(--up-wash); color: var(--up); }
.modal__title { margin: 0 0 8px; font-size: 23px; }
.modal__msg { margin: 0 0 20px; color: var(--ink-2); font-size: 15px; }
.modal__actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.modal__actions .btn { width: 100%; justify-content: center; }
@media (min-width: 420px) { .modal__actions .btn { width: auto; } }
@media (prefers-reduced-motion: reduce) {
  .modal, .modal__box { transition: none; }
}

/* -------------------------------------------------------------------- footer */

.footer {
  background: var(--masthead); color: rgba(247, 241, 230, .74);
  border-top: 3px double rgba(247, 241, 230, .22);
  padding: 44px 0 30px; font-size: 14px; margin-top: 20px;
}
.footer a { color: rgba(247, 241, 230, .9); text-decoration-color: rgba(247,241,230,.3); }
.footer a:hover { color: #7fd6cf; }
.footer__grid { display: grid; gap: 30px; grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.footer__h {
  font-family: var(--mono); font-size: 10px; letter-spacing: .15em;
  text-transform: uppercase; color: rgba(247, 241, 230, .45); margin: 0 0 12px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer__brand { font-family: var(--display); font-size: 24px; font-weight: 700; color: var(--masthead-ink); }
.footer__brand em { font-style: normal; color: #7fd6cf; }
.footer__blurb { margin: 10px 0 0; max-width: 34ch; }
.footer__bottom {
  margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(247, 241, 230, .14);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11.5px; color: rgba(247, 241, 230, .5);
}

/* --------------------------------------------------------------- utilities */

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 34px 0; }
.mut { color: var(--ink-3); }
.nowrap { white-space: nowrap; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ------------------------------------------------------------------ responsive */

@media (max-width: 860px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand-col { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .nav { display: none; width: 100%; margin: 4px 0 12px; }
  .nav.is-open { display: flex; flex-direction: column; align-items: stretch; }
  .nav a { padding: 12px; border-bottom: 1px solid rgba(247,241,230,.1); }
  .nav .nav__cta { margin-top: 6px; }
  .nav__toggle { display: inline-block; }
  /* Vertical only: a shorthand padding here would zero the horizontal padding
     that .wrap provides, leaving the brand flush against the screen edge. */
  .masthead__bar { padding-top: 12px; padding-bottom: 12px; }
  .form__grid { grid-template-columns: 1fr; }
  main { padding: 30px 0 54px; }
}
@media (max-width: 460px) {
  .footer__grid { grid-template-columns: 1fr; }
  .ticker__cell { padding: 10px 14px; }
  .wrap { padding: 0 16px; }
  .brand__mark { font-size: 22px; }
  .stat { padding: 14px 15px; }
  .stat__value { font-size: 20px; }
  .post { padding: 18px 16px; }
  .card { padding: 16px; }
  .pager { gap: 8px 10px; }
  .pager__btn { padding: 6px 8px; }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise .5s cubic-bezier(.2, .7, .3, 1) both; }
  .reveal-2 { animation-delay: .07s; }
  .reveal-3 { animation-delay: .14s; }
  .reveal-4 { animation-delay: .21s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(9px); }
    to { opacity: 1; transform: none; }
  }
}

@media print {
  .masthead, .footer, .ticker, .search, .nav__toggle { display: none; }
  body { background: #fff; }
}