/* ------------------------------------------------------------------
   What Changed Today — the portfolio's aqua glass, tuned for a data desk.
   Plain CSS. No frameworks, no build step, no image files.
   ------------------------------------------------------------------ */

:root {
  --ink: #0e2438;
  --ink-soft: #435a70;
  --ink-mute: #5a7186;
  --line: rgba(90, 140, 190, .2);
  --line-strong: rgba(90, 140, 190, .34);

  --blue: #0a84ff;
  --blue-deep: #0a6fc2;
  --aqua: #00a7c4;
  --pink: #d92f75;

  --add: #1a8234;
  --add-bg: rgba(47, 174, 76, .13);
  --chg: #9a5b00;
  --chg-bg: rgba(224, 148, 30, .15);
  --del: #b81b64;
  --del-bg: rgba(217, 47, 117, .12);

  --card: rgba(255, 255, 255, .66);
  --card-strong: rgba(255, 255, 255, .86);
  --shadow: 0 18px 40px -28px rgba(14, 36, 56, .5);

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --radius: 18px;
  --shell: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f2fb;
    --ink-soft: #b3c8da;
    --ink-mute: #93aec4;
    --line: rgba(140, 190, 235, .17);
    --line-strong: rgba(140, 190, 235, .3);

    --blue: #63b3ff;
    --blue-deep: #8cc8ff;
    --aqua: #46d0e6;
    --pink: #ff87b8;

    --add: #7fe39b;
    --add-bg: rgba(47, 174, 76, .18);
    --chg: #f0c07a;
    --chg-bg: rgba(224, 148, 30, .16);
    --del: #ff9dcb;
    --del-bg: rgba(217, 47, 117, .18);

    --card: rgba(255, 255, 255, .055);
    --card-strong: rgba(255, 255, 255, .085);
    --shadow: 0 20px 50px -30px rgba(0, 0, 0, .8);
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 620px at 12% -12%, rgba(255, 255, 255, .95), transparent 62%),
    radial-gradient(820px 520px at 98% 4%, rgba(140, 220, 255, .5), transparent 60%),
    linear-gradient(180deg, #dcefff 0%, #e9f6ff 46%, #d7ecff 100%);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: dark) {
  body {
    background:
      radial-gradient(1000px 560px at 8% -10%, rgba(34, 90, 140, .55), transparent 60%),
      radial-gradient(760px 480px at 100% 0%, rgba(0, 120, 150, .34), transparent 58%),
      linear-gradient(180deg, #0b1b2b 0%, #0d2133 50%, #091725 100%);
  }
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -.028em;
  line-height: 1.15;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--blue-deep); text-underline-offset: 2px; }
a:hover { color: var(--pink); }
code { font-family: var(--mono); font-size: .84em; }

:focus-visible {
  outline: 2px solid var(--blue-deep);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(255, 120, 175, .3); }

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--card-strong);
  padding: 12px 18px;
  border-radius: 0 0 12px 0;
}
.skip:focus { left: 0; }

.shell {
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
}

.muted { color: var(--ink-mute); }

/* ------------------------------------------------------------- header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(9, 23, 37, .62); }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--blue), var(--aqua));
  color: #fff;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 8px 18px -10px rgba(10, 132, 255, .9);
}

.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-size: 16px; letter-spacing: -.02em; }
.brand__path { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); }

.nav {
  display: flex;
  gap: 4px;
  font-size: 14px;
  flex-wrap: wrap;
}

.nav a {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav a:hover { background: var(--card); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--card-strong); color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------- hero */

main { padding: 44px 0 72px; }

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.hero h1, .pagehead h1, .sourcehead h1 {
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  margin: 10px 0 14px;
}

.lede {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.hero__more { margin-top: 18px; font-size: .95rem; }

/* ------------------------------------------------------------- banners */

.banner {
  margin-top: 26px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.banner__title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.banner--warn { border-color: rgba(217, 47, 117, .45); background: var(--del-bg); }
.banner--warn .banner__title { color: var(--del); }
.banner--quiet { border-color: var(--line-strong); }
.banner__list { display: grid; gap: 8px; margin: 12px 0; font-size: .96rem; }
.banner__note { font-size: .9rem; color: var(--ink-soft); margin-top: 10px; }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.stats__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 18px;
  min-width: 132px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
}

.stats__item strong { font-size: 1.55rem; letter-spacing: -.03em; }
.stats__item span { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-mute); }
.stats__item--late { border-color: rgba(224, 148, 30, .4); }

/* ------------------------------------------------------------- sections */

.sectionhead {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 46px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.sectionhead .muted { font-weight: 400; }

.sources { margin-top: 8px; }

.sourcegrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.sourcecard {
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sourcecard__path { font-family: var(--mono); font-size: 12px; }
.sourcecard__path a { color: var(--ink-mute); text-decoration: none; }
.sourcecard__path a:hover { color: var(--pink); }
.sourcecard h3 { font-size: 1.12rem; }
.sourcecard h3 a { color: var(--ink); text-decoration: none; }
.sourcecard h3 a:hover { color: var(--pink); }
.sourcecard__meta { font-size: .84rem; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

/* --------------------------------------------------------------- chips */

.chip {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}

.chip--ok { color: var(--add); background: var(--add-bg); border-color: rgba(47, 174, 76, .3); }
.chip--warn { color: var(--chg); background: var(--chg-bg); border-color: rgba(224, 148, 30, .34); }
.chip--fail { color: var(--del); background: var(--del-bg); border-color: rgba(217, 47, 117, .38); }

/* -------------------------------------------------------------- counts */

.counts { display: flex; flex-wrap: wrap; gap: 12px; font-size: .88rem; color: var(--ink-soft); }
.counts__item strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.counts__item--late strong { color: var(--chg); }
.counts--none { color: var(--ink-mute); font-family: var(--mono); font-size: 12px; }

/* ------------------------------------------------------------ changes */

.changes { display: grid; gap: 12px; margin: 0; }

.changes__wrap { display: grid; gap: 6px; }
.changes__source {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.changes__source a { color: var(--ink-mute); text-decoration: none; }
.changes__source a:hover { color: var(--pink); }

.change {
  position: relative;
  padding: 18px 20px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  background: var(--card);
  box-shadow: var(--shadow);
  list-style: none;
}

.change--added { border-left-color: var(--add); background: linear-gradient(90deg, var(--add-bg), var(--card) 55%); }
.change--changed { border-left-color: var(--chg); background: linear-gradient(90deg, var(--chg-bg), var(--card) 55%); }
.change--removed { border-left-color: var(--del); background: linear-gradient(90deg, var(--del-bg), var(--card) 55%); }

.change__top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.change__kind { color: var(--ink-mute); }
.change--added .change__kind { color: var(--add); }
.change--changed .change__kind { color: var(--chg); }
.change--removed .change__kind { color: var(--del); }

.change__label {
  color: var(--ink-soft);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card-strong);
}

.change__late {
  color: var(--chg);
  border: 1px dashed rgba(224, 148, 30, .5);
  padding: 2px 8px;
  border-radius: 999px;
}

.change__title {
  font-size: 1.04rem;
  margin: 10px 0 6px;
  overflow-wrap: anywhere;
}

.change__desc { color: var(--ink-soft); font-size: .95rem; max-width: 76ch; }

.change__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-size: .85rem;
}

.change__key { color: var(--ink-mute); }
.change__link { font-family: var(--mono); font-size: 12px; text-decoration: none; border-bottom: 1px solid var(--line-strong); }

.fields {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  font-size: .88rem;
  font-family: var(--mono);
}

.fields th, .fields td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.fields thead th {
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

.fields tbody th { font-weight: 500; color: var(--ink-soft); white-space: nowrap; }
.fields .from { color: var(--del); text-decoration: line-through; text-decoration-thickness: 1px; }
.fields .to { color: var(--add); }

.ledger__foot { margin-top: 16px; font-size: .92rem; }

.empty {
  padding: 26px 22px;
  border-radius: var(--radius);
  border: 1px dashed var(--line-strong);
  color: var(--ink-soft);
  background: var(--card);
}

/* --------------------------------------------------------------- panels */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 26px;
}

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
}

.panel {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.panel--wide { margin-top: 20px; }

.panel h2 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 14px;
}

.panel__note { margin-top: 14px; font-size: .85rem; color: var(--ink-mute); }

.compare { display: grid; gap: 10px; margin: 0; font-size: .9rem; }
.compare > div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 12px; }
.compare dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-mute); padding-top: 2px; }
.compare dd { margin: 0; color: var(--ink); }

/* -------------------------------------------------------------- trends */

.trend { display: grid; gap: 6px; }

.trend__row {
  display: grid;
  grid-template-columns: 4.2rem 1fr 4.5rem;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
}

.trend__date { color: var(--ink-soft); text-decoration: none; }
.trend__date:hover { color: var(--pink); }
.trend__bar { height: 9px; border-radius: 999px; background: rgba(90, 140, 190, .16); overflow: hidden; }
.trend__fill { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--aqua), var(--blue)); }
.trend__row.is-today .trend__date { color: var(--ink); font-weight: 600; }
.trend__value { text-align: right; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

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

.tablewrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }

.archive { width: 100%; border-collapse: collapse; font-size: .9rem; }
.archive th, .archive td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.archive thead th { font-family: var(--mono); font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; }
.archive tbody th { font-weight: 500; }
.archive tbody tr:last-child th, .archive tbody tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------- filter */

.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 24px 0 18px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
}

.filterbar input[type="search"] {
  flex: 1 1 260px;
  min-width: 200px;
  padding: 9px 13px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--card-strong);
  color: var(--ink);
  font: inherit;
  font-size: .92rem;
}

.filterbar__kinds { display: flex; gap: 4px; }

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  cursor: pointer;
}

.pill.is-on { background: var(--ink); color: var(--card-strong); border-color: var(--ink); }
@media (prefers-color-scheme: dark) { .pill.is-on { color: #0b1b2b; } }

.filterbar__count { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); width: 100%; }

.is-filtered-out { display: none !important; }

/* ---------------------------------------------------------------- prose */

.prose { max-width: 72ch; }
.prose h2 { font-size: 1.28rem; margin: 34px 0 10px; }
.prose p { margin: 0 0 12px; color: var(--ink-soft); }
.prose ol { list-style: decimal; padding-left: 1.3rem; display: grid; gap: 10px; color: var(--ink-soft); }
.prose ol strong { color: var(--ink); }
.prose .tablewrap { margin: 16px 0; }
.glossary { display: grid; gap: 8px; padding: 0; list-style: none; color: var(--ink-soft); }
.glossary strong { color: var(--ink); }

.notice { margin-top: 14px; padding: 12px 16px; border-radius: 12px; font-size: .92rem; }
.notice--fail { background: var(--del-bg); border: 1px solid rgba(217, 47, 117, .35); }
.notices { margin-top: 12px; display: grid; gap: 6px; font-size: .85rem; color: var(--ink-mute); }
.notices li::before { content: "· "; }

.sourcehead { max-width: 70ch; }
.sourcehead__meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: .87rem; margin-top: 6px; }

.limits {
  margin-top: 40px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
}
.limits h2 { font-family: var(--mono); font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 12px; }
.limits ul { display: grid; gap: 8px; list-style: disc; padding-left: 1.2rem; color: var(--ink-soft); font-size: .92rem; }

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

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .42);
  padding: 40px 0 56px;
}

@media (prefers-color-scheme: dark) {
  .site-footer { background: rgba(9, 23, 37, .5); }
}

.site-footer__inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 34px; }
@media (max-width: 860px) { .site-footer__inner { grid-template-columns: 1fr; } }

.footnote h2, .status h2 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 12px;
}

.footnote p { font-size: .88rem; color: var(--ink-soft); margin-bottom: 10px; max-width: 60ch; }
.footnote__meta { font-family: var(--mono); font-size: 11.5px; color: var(--ink-mute); }

.status table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.status th, .status td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.status thead th { font-family: var(--mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-mute); font-weight: 500; }
.status tbody th { font-weight: 500; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

@media (max-width: 560px) {
  main { padding: 28px 0 48px; }
  .shell { width: min(100% - 28px, var(--shell)); }
  .change { padding: 16px; }
  .compare > div { grid-template-columns: 1fr; gap: 2px; }
}