:root {
  color-scheme: dark;
  --bg: #080808;
  --surface: #111;
  --surface-raised: #151515;
  --surface-hover: #191919;
  --border: rgba(255, 255, 255, .1);
  --border-quiet: rgba(255, 255, 255, .065);
  --ink: #f4f2ef;
  --muted: #a6a19c;
  --red: #ef423b;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  background: radial-gradient(680px 360px at 96% -12%, rgba(101, 11, 9, .32), transparent 67%), var(--bg);
  color: var(--ink);
  font: 16px/1.56 Inter, ui-sans-serif, system-ui, sans-serif;
  margin: 0;
}

button, input, select { font: inherit; }
button, select, input { color: var(--ink); min-height: 42px; }
button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 700;
  padding: .45rem .66rem;
}
button:hover { background: var(--surface-hover); }
button[aria-pressed="true"], .accent-button {
  background: var(--red);
  border-color: var(--red);
  color: #1b0807;
}
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.sr-only { clip: rect(0, 0, 0, 0); height: 1px; margin: -1px; overflow: hidden; position: absolute; width: 1px; }
.reader-shell { margin: auto; max-width: var(--max); padding: 4.8rem 1.25rem 6rem; }
.reader-header { align-items: end; display: flex; gap: 1rem; justify-content: space-between; }
.eyebrow { color: var(--red); font-size: .66rem; font-weight: 800; letter-spacing: .15em; margin: 0 0 .6rem; }
.reader-header h1, h2 { font-weight: 900; letter-spacing: -.055em; line-height: .96; margin: 0; }
.reader-header h1 { font-size: clamp(1.8rem, 4.7vw, 3.15rem); }
h2 { font-size: clamp(1.45rem, 3.2vw, 2.15rem); }
.update-state { color: var(--muted); font-size: .67rem; font-weight: 700; letter-spacing: .08em; margin: 0 0 .15rem; text-align: right; text-transform: uppercase; }
.lede { color: var(--muted); font-size: 1rem; margin: 1rem 0 2.9rem; max-width: 43rem; }

.date-navigation { align-items: center; border-bottom: 1px solid var(--border-quiet); border-top: 1px solid var(--border-quiet); display: grid; gap: .35rem; grid-template-columns: 1fr 1fr; margin-bottom: 3.3rem; padding: .55rem 0; }
.date-navigation button { color: var(--muted); padding-inline: .15rem; text-align: left; }
.date-navigation button:hover { color: var(--ink); }
.date-navigation .accent-button { color: #1b0807; padding-inline: .8rem; text-align: center; }
.date-navigation select { background: var(--surface); border: 1px solid var(--border-quiet); border-radius: 5px; grid-column: 1 / -1; padding: 0 .7rem; width: 100%; }

.today-strip { border-bottom: 1px solid var(--border-quiet); padding-bottom: 1.15rem; }
.summary { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
.summary-item { min-width: 0; }
.summary-label, .label { color: var(--muted); display: block; font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.summary-value { display: block; font-size: clamp(2rem, 4.5vw, 2.75rem); font-weight: 850; letter-spacing: -.075em; line-height: 1; margin-top: .26rem; }
.health { display: flex; flex-wrap: wrap; gap: .45rem 1.1rem; margin-top: 1.55rem; }
.health-item { align-items: baseline; color: var(--muted); display: flex; font-size: .8rem; gap: .38rem; }
.health-item strong { color: var(--ink); font-weight: 700; }
.health-item strong::after { color: var(--muted); content: " ·"; }
.status { font-size: .67rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.status-failed { color: #ff8179; }
.status-used, .status-ok { color: #c9e1af; }
.status-partial, .status-disabled, .status-skipped-no-key { color: #dcc892; }

.changes, .signals { padding-top: 4.3rem; }
.section-heading { align-items: end; display: flex; justify-content: space-between; margin-bottom: 1.25rem; }
.section-heading p { margin: 0; }
.changes-grid { display: grid; gap: .5rem; }
.change { background: var(--surface); border: 1px solid var(--border-quiet); border-radius: 7px; display: grid; gap: .18rem; min-height: 6.2rem; padding: 1rem; }
.change-label { color: var(--red); font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.change-title { font-size: .98rem; font-weight: 750; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.change-meta, #signal-count { color: var(--muted); font-size: .79rem; margin: 0; }
.changes details { color: var(--muted); font-size: .86rem; padding: .9rem .1rem 0; }
.changes summary, .compact summary { cursor: pointer; font-weight: 700; list-style: none; }
.changes summary::after, .compact summary::after { color: var(--muted); content: "+"; float: right; font-size: 1.15rem; }
.changes details[open] summary::after, .compact[open] summary::after { color: var(--red); content: "−"; }
.changes ul { display: grid; gap: .5rem; margin: 1rem 0 0; padding-left: 1rem; }

.primary-filters, .extra-filters { display: flex; flex-wrap: wrap; gap: .45rem; }
.primary-filters button, .extra-filters button, .utility-button { background: var(--surface); border-color: var(--border-quiet); color: var(--muted); }
.primary-filters button:hover, .extra-filters button:hover, .utility-button:hover { border-color: var(--border); color: var(--ink); }
.primary-filters button[aria-pressed="true"], .extra-filters button[aria-pressed="true"] { color: #1b0807; }
.filter-utility { align-items: center; display: flex; gap: .65rem; margin: 1.1rem 0; }
.utility-button { flex: 0 0 auto; }
.search { flex: 1; }
.search input { background: transparent; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; padding: 0 .2rem; width: 100%; }
.search input::placeholder { color: #76716d; }
.extra-filters { background: var(--surface); border-radius: 7px; margin-bottom: 1rem; padding: .7rem; }
.extra-label { align-self: center; color: var(--muted); font-size: .64rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.lead-card { background: linear-gradient(145deg, var(--surface-raised), var(--surface)); border: 1px solid var(--border); border-radius: 10px; margin-top: 1.7rem; overflow: hidden; padding: 1.35rem; }
.lead-top { align-items: baseline; display: flex; gap: 1rem; justify-content: space-between; }
.rank { color: var(--red); font-size: 1.35rem; font-weight: 900; letter-spacing: -.05em; }
.type { color: var(--muted); font-size: .64rem; font-weight: 750; letter-spacing: .095em; text-transform: uppercase; }
.project-title { color: var(--ink); display: inline-block; font-size: clamp(1.7rem, 4.5vw, 2.55rem); font-weight: 850; letter-spacing: -.055em; line-height: 1.04; margin: .82rem 0 1.2rem; text-decoration: none; }
.project-title:hover, .project-link:hover { color: var(--red); }
.facts { display: flex; flex-wrap: wrap; gap: .6rem 1.35rem; margin: 0 0 1.55rem; }
.fact { min-width: 4.7rem; }
.fact strong { display: block; font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; margin-top: .1rem; }
.lead-copy { color: var(--muted); max-width: 43rem; }
.lead-copy p { margin: .85rem 0; }
.lead-copy strong { color: var(--ink); font-size: .67rem; letter-spacing: .1em; text-transform: uppercase; }
.metrics { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1.35rem 0; }
.metric { color: var(--muted); font-size: .78rem; }
.metric strong { color: var(--ink); display: block; font-size: 1.08rem; font-weight: 800; letter-spacing: -.025em; }
.project-link { border-bottom: 1px solid var(--red); color: var(--ink); display: inline-block; font-size: .72rem; font-weight: 850; letter-spacing: .1em; padding-bottom: .27rem; text-decoration: none; text-transform: uppercase; }
.history { border-top: 1px solid var(--border-quiet); color: var(--muted); font-size: .78rem; margin: 1.45rem 0 0; padding-top: .85rem; }
.history strong { color: var(--ink); letter-spacing: .08em; margin-right: .5rem; text-transform: uppercase; }
.original { color: var(--muted); font-size: .82rem; margin-top: 1.15rem; }
.original summary { cursor: pointer; }

.compact-list { margin-top: .65rem; }
.compact { background: var(--surface); border: 1px solid var(--border-quiet); border-radius: 7px; margin-top: .45rem; padding: .78rem .85rem; transition: background-color .16s ease, border-color .16s ease; }
.compact:hover, .compact[open] { background: var(--surface-hover); border-color: var(--border); }
.compact-row { align-items: center; display: grid; gap: .6rem; grid-template-columns: 2.15rem minmax(0, 1fr) auto; }
.compact-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compact-title .type { margin-left: .35rem; }
.compact-value { color: var(--muted); font-size: .8rem; font-weight: 750; text-align: right; }
.compact-content { padding: 1rem .15rem .15rem 2.15rem; }
.compact-content .project-title { font-size: 1.35rem; }
.empty { color: var(--muted); padding: 1rem 0; }
footer { border-top: 1px solid var(--border-quiet); color: #8c8782; font-size: .68rem; font-weight: 850; letter-spacing: .25em; padding: 1.9rem; text-align: center; }
footer span { color: var(--red); }

@media (min-width: 620px) {
  .date-navigation { grid-template-columns: max-content 1fr max-content max-content; }
  .date-navigation select { grid-column: auto; }
  .summary { grid-template-columns: repeat(4, 1fr); gap: 1.75rem; }
  .changes-grid { grid-template-columns: repeat(2, 1fr); }
  .lead-card { padding: 1.7rem; }
}

@media (min-width: 1024px) {
  .reader-shell { padding-top: 5.8rem; }
  .changes-grid { grid-template-columns: repeat(4, 1fr); }
  .lead-card { padding: 2rem; }
  .facts { gap: .7rem 2.2rem; }
  .lead-copy { max-width: 45rem; }
  .compact-row { grid-template-columns: 3rem minmax(0, 1fr) 11.5rem; }
}

@media (min-width: 1400px) {
  .reader-shell { max-width: var(--max); }
}

@media (max-width: 420px) {
  .reader-shell { padding-inline: 1rem; padding-top: 3.6rem; }
  .reader-header { align-items: flex-start; flex-direction: column; }
  .update-state { text-align: left; }
  .lede { margin-bottom: 2.2rem; }
  .date-navigation { margin-bottom: 2.7rem; }
  .changes, .signals { padding-top: 3.35rem; }
  .lead-card { padding: 1.15rem; }
  .lead-top { align-items: flex-start; flex-direction: column; gap: .2rem; }
  .facts { gap: .8rem 1.1rem; }
  .compact { padding-inline: .7rem; }
  .compact-row { gap: .45rem; grid-template-columns: 1.85rem minmax(0, 1fr) auto; }
  .compact-title .type { display: none; }
  .compact-value { font-size: .73rem; }
  .compact-content { padding-left: 0; }
}