/* what-the-bug — professional utility design. Off-white paper, one accent,
   disciplined grid. No gradients, no glow, no rounded-card soup. */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --ink: #1f1d1a;
  --body: #3a3731;
  --muted: #726d63;
  --faint: #a09a8e;
  --line: #e6e3da;
  --line-strong: #d4d0c4;
  --accent: #0b5cab;
  --accent-ink: #0a4d8f;
  --wash: #f2f0e9;
  --critical: #b3261e;
  --critical-wash: #fbf0ef;
  --high: #8f5710;
  --high-wash: #faf3e9;
  --ok: #2c6e49;
  --radius: 6px;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

/* author display rules must never defeat the hidden attribute */
[hidden] { display: none !important; }


* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 14px/1.55 var(--sans);
  font-feature-settings: "kern", "liga";
}

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

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line-strong);
}
.site-header .inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 54px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
  margin-right: 6px;
}
.brand .mark {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.015em;
  white-space: nowrap;
}
.brand .sub {
  font: 500 11px/1 var(--mono);
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  white-space: nowrap;
}
.site-nav { display: flex; gap: 4px; margin-left: 8px; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius);
}
.site-nav a:hover { color: var(--ink); background: var(--wash); }
.site-nav a.on { color: var(--ink); background: var(--wash); }
.header-meta {
  margin-left: auto;
  font: 500 12px/1 var(--mono);
  color: var(--faint);
  white-space: nowrap;
}
.header-meta b { color: var(--muted); font-weight: 600; }


/* ---------- page frame ---------- */

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px 64px;
}

/* ---------- toolbar ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-strong);
}
.toolbar .search { position: relative; flex: 1 1 280px; min-width: 220px; }
.toolbar .search svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faint);
  pointer-events: none;
}
.toolbar input[type="search"] {
  width: 100%;
  padding: 8px 10px 8px 32px;
}
.toolbar select { padding: 8px 30px 8px 10px; min-width: 0; }

input[type="search"], select {
  font: 500 13px/1.3 var(--sans);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23726d63' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
}
input[type="search"]:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(11, 92, 171, 0.12);
}
input::placeholder { color: var(--faint); }

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 7px 11px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.toggle:hover { color: var(--ink); }
.toggle input { accent-color: var(--accent); margin: 0; width: 13px; height: 13px; }
.toggle:has(input:checked) { color: var(--critical); border-color: rgba(179, 38, 30, 0.35); background: var(--critical-wash); }

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

.site-footer {
  border-top: 1px solid var(--line-strong);
  background: var(--surface);
}
.site-footer .inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.foot-note { color: var(--muted); font-size: 12.5px; }
.foot-note b { color: var(--ink); font-weight: 600; }
.foot-note a { color: var(--accent); text-decoration: none; }
.foot-note a:hover { text-decoration: underline; }

/* ---------- table ---------- */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);
  text-align: left;
  font: 600 11px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  padding: 12px 12px 8px 0;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
thead th:first-child { border-radius: var(--radius) 0 0 0; }
thead th:last-child { text-align: right; padding-right: 4px; }

tbody td {
  padding: 11px 12px 11px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

/* ---------- detail page ---------- */

.back {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.back:hover { color: var(--ink); text-decoration: underline; }

.d-head { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.d-head .tag {
  font: 500 11px/1 var(--mono);
  color: var(--muted);
  padding: 4px 8px;
  background: var(--wash);
  border-radius: 4px;
}
.d-title {
  font: 600 24px/1.3 var(--sans);
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 10px 0 8px;
  max-width: 70ch;
}
.d-chips { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 4px 0 10px; }
.d-chips span {
  font: 500 12px/1 var(--mono);
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  padding: 5px 10px;
}
.d-aliases { font: 500 12.5px/1.7 var(--mono); color: var(--muted); margin: 6px 0 14px; }
.d-aliases a { color: var(--accent); text-decoration: none; }
.d-aliases a:hover { text-decoration: underline; }
.d-desc {
  max-width: 72ch;
  white-space: pre-wrap;
  color: var(--body);
  border-left: 3px solid var(--line-strong);
  padding-left: 16px;
  margin: 14px 0 4px;
}
.d-h {
  font: 600 13px/1 var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin: 28px 0 10px;
}
.rem-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  max-width: 72ch;
}
.rem-kind {
  font: 600 10.5px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-ink);
  background: rgba(11, 92, 171, 0.08);
  border-radius: 4px;
  padding: 5px 7px;
  white-space: nowrap;
  margin-top: 2px;
}
.rem-summary { color: var(--ink); font-size: 13.5px; }
.rem-body a { font-size: 12px; color: var(--accent); text-decoration: none; }
.rem-body a:hover { text-decoration: underline; }
.range-table td, .range-table th { padding: 8px 12px 8px 0; }
.range-table td.mono { font: 500 12.5px/1.4 var(--mono); color: var(--body); white-space: nowrap; }
.d-src { font: 500 12px/1.6 var(--mono); color: var(--muted); word-break: break-all; }
.d-src a { color: var(--accent); }
.d-note { color: var(--faint); font-size: 12.5px; margin-top: 24px; }
tbody tr:hover td { background: rgba(255, 255, 255, 0.7); }

/* severity badge */
.badge {
  display: inline-block;
  font: 600 10.5px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 7px;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge.critical { color: var(--critical); background: var(--critical-wash); border-color: rgba(179, 38, 30, 0.25); }
.badge.high { color: var(--high); background: var(--high-wash); border-color: rgba(143, 87, 16, 0.25); }
.badge .kev-dot { color: inherit; }
.badge .kev-dot::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 99px; background: currentColor; margin: 0 4px 1px 0; vertical-align: middle; }

/* title cell */
.cell-title {
  max-width: 560px;
  cursor: pointer;
}
.cell-title .t {
  color: var(--ink);
  font-weight: 550;
  font-size: 13.5px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* quiet affordance: hairline underline on hover/focus, never link-blue */
.cell-title:hover .t,
.cell-title:focus-visible .t {
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.cell-title:focus-visible {
  outline: 2px solid rgba(11, 92, 171, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}
.cell-title .meta {
  margin-top: 3px;
  font: 500 11.5px/1.5 var(--mono);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cell-title .meta a { color: var(--accent); text-decoration: none; }
.cell-title .meta a:hover { text-decoration: underline; }
.cell-title .meta .sep { color: var(--faint); margin: 0 5px; }

/* type + products + date cells */
.cell-type .tag {
  display: inline-block;
  font: 500 11px/1 var(--mono);
  color: var(--muted);
  padding: 3px 6px;
  background: var(--wash);
  border-radius: 4px;
  white-space: nowrap;
}
.cell-prods { min-width: 140px; }
.cell-prods code {
  font: 500 11px/1.7 var(--mono);
  color: var(--body);
  background: var(--wash);
  padding: 2px 6px;
  border-radius: 4px;
  margin: 0 4px 3px 0;
  white-space: nowrap;
  display: inline-block;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: bottom;
}
.cell-prods .more { font: 500 11px var(--mono); color: var(--faint); }
.cell-date {
  font: 500 12px/1.4 var(--mono);
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

.cell-date .no-pub { color: var(--faint); }

.empty {
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
}

/* ---------- docs (install page) ---------- */

.doc { max-width: 760px; }
.doc .lede { font-size: 15px; color: var(--body); max-width: 62ch; margin: 4px 0 8px; }
.doc section { margin-top: 34px; }
.doc h2 {
  font: 600 17px/1.3 var(--sans);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-strong);
}
.doc p { margin: 8px 0; max-width: 68ch; }
.doc p code, .doc li code {
  font: 500 0.92em var(--mono);
  background: var(--wash);
  padding: 1.5px 5px;
  border-radius: 4px;
}
.doc pre {
  background: #21201c;
  color: #e8e5dc;
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  font: 400 12.5px/1.65 var(--mono);
  margin: 12px 0 16px;
}
.doc pre code { background: none; padding: 0; color: inherit; }
.doc ul { padding-left: 20px; }
.doc li { margin: 4px 0; }


@media (max-width: 900px) {
  .site-header .inner { padding: 0 16px; gap: 10px; }
  .header-meta { display: none; }
  .page { padding-left: 16px; padding-right: 16px; }
  .toolbar .count { margin-left: 0; width: 100%; }

  /* tables become stacked rows: title full-width, badge + date beneath */
  .table-wrap { overflow-x: visible; }
  #issues thead { display: none; }
  #issues, #issues tbody, #issues tr, #issues td { display: block; width: 100%; }
  #issues tbody tr { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 0; }
  .cell-title { order: 1; flex: 1 1 100%; max-width: none; padding-right: 0; }
  #issues .badge { order: 2; }
  #issues .cell-date { order: 3; margin-left: auto; text-align: right; padding-right: 0; }
  .cell-type, .cell-prods { display: none; }

  .range-table thead { display: none; }
  .range-table, .range-table tbody, .range-table tr, .range-table td { display: block; width: 100%; }
  .range-table tbody tr { padding: 8px 0; }
  .range-table td { border-bottom: none; padding: 2px 0; }

  /* long inline code (URLs, identifiers) must wrap, not push layout */
  .doc code, .d-aliases, .rem-summary code, .cell-title .meta { overflow-wrap: anywhere; }
}

/* ---------- landing ---------- */

.landing { max-width: 880px; padding-bottom: 40px; }

.hero { padding-top: 26px; }
.kicker {
  font: 600 11px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  margin: 0 0 18px;
}
.hero-title {
  font: 700 34px/1.25 var(--sans);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 18px;
}
.hero-lede {
  font-size: 16px;
  line-height: 1.65;
  max-width: 62ch;
  margin: 0 0 14px;
}
.hero-lede b { color: var(--ink); }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 8px; }
.cta {
  display: inline-block;
  font: 600 14px/1 var(--sans);
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 18px;
  text-decoration: none;
}
.cta:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.cta.secondary {
  color: var(--accent-ink);
  background: transparent;
  border: 1px solid var(--line-strong);
}
.cta.secondary:hover { border-color: var(--accent); background: var(--surface); }

.steps { margin-top: 8px; }
.step {
  display: flex;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-n {
  font: 600 13px/1 var(--mono);
  color: var(--faint);
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  padding: 7px 10px;
  height: fit-content;
  white-space: nowrap;
}
.step h2 {
  font: 600 17px/1.3 var(--sans);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 2px 0 8px;
}
.step p { max-width: 62ch; margin: 0; }
.step pre {
  background: #21201c;
  color: #e8e5dc;
  border-radius: var(--radius);
  padding: 12px 14px;
  overflow-x: auto;
  font: 400 12.5px/1.6 var(--mono);
  margin: 12px 0 0;
  max-width: 52ch;
}
.step pre code { background: none; color: inherit; }

.pull {
  border-top: 1px solid var(--line-strong);
  padding: 34px 0 6px;
}
.pull p {
  font: 600 22px/1.45 var(--sans);
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: none; /* the explicit <br> controls the break; 34ch wrapped "yet." alone */
  margin: 0;
}

@media (max-width: 720px) {
  .hero-title { font-size: 27px; }
  .step { flex-direction: column; gap: 12px; }
}