/* ============================================================
   Database of Databases — style.css
   Consolidated from base.css + dbdb-redesign.css + system.css.
   Built on Bootstrap 5.3. Custom tokens + editorial layer.
   ============================================================ */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Typography */
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:  'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  /* Light — warm paper */
  --paper:    #f4f4f4;
  --surface:  #ffffff;
  --surface-2:#e3e3e3;
  --ink:      #1c1a17;
  --ink-soft: #514c44;
  --muted:    #8a8378;
  --rule:     #adadad;
  --rule-soft:#cecece;
  /*--accent:   #C41230; This is the true CMU red */
  --accent:   #c8102e;
  --accent-2: #a50d26;
  --accent-ink:#ffffff;
  --tint:     rgba(200,16,46,0.06);

  /* Diff del/ins palette */
  --diff-del-bg:     #ffd7d7;
  --diff-del-fg:     #8b0000;
  --diff-del-border: #dc3545;
  --diff-ins-bg:     #d4edda;
  --diff-ins-fg:     #155724;
  --diff-ins-border: #198754;

  /* Legacy tokens still referenced by active rules */
  --highlight-color:    #f2e29f;   /* citations li:target background */
  --browse-hover-color: #f7ced5;   /* browse table row hover */

  /* Status badge colors */
  --ok:   #1f8a5b;
  --warn: #7a5a00;

  /* Bootstrap focus ring override */
  --bs-focus-ring-color: color-mix(in srgb, var(--accent) 60%, transparent);
  --bs-focus-ring-width: 0.25rem;
  --bs-focus-ring-blur:  0.25rem;
}

[data-bs-theme="dark"] {
  /* Dark — warm near-black */
  --paper:    #14110e;
  --surface:  #1c1814;
  --surface-2:#231e19;
  --ink:      #f3eee5;
  --ink-soft: #c2b9aa;
  --muted:    #8b8175;
  --rule:     #322b23;
  --rule-soft:#28221c;
  --accent:   #f0405c;
  --accent-2: #ff5a73;
  --accent-ink:#1a0d0f;
  --tint:     rgba(240,64,92,0.10);
  --ok:       #4fbd8a;
  --warn:     #ffc55a;
}

/* ============================================================
   LEGACY BASE — active rules carried forward
   ============================================================ */

h1 {
    font-size: calc(2rem + 1.5vw);
    line-height: 1.0;
}

/* Bootstrap focus ring colour */
.form-control {
  border: var(--bs-border-width) solid var(--rule);
}
.form-control:focus,
.form-select:focus {
    border-color: #ff6400;
    box-shadow: var(--bs-focus-ring-x, 0) var(--bs-focus-ring-y, 0)
                var(--bs-focus-ring-blur) var(--bs-focus-ring-width)
                var(--bs-focus-ring-color);
}

/* Primary button tinted to brand accent */
.btn-primary {
    background-color: var(--accent) !important;
    border-color:     var(--accent) !important;
}

/* Form label weight — used by system-edit and other Bootstrap forms */
.form-label { font-weight: 500; }

/* Accordion button — consistent weight; open state uses brand tint */
.accordion-button { font-weight: 500; }
.accordion-button:not(.collapsed) {
    background-color: var(--tint);
    font-weight: 500;
    color: var(--ink);
    box-shadow: var(--bs-focus-ring-x, 0) var(--bs-focus-ring-y, 0)
                var(--bs-focus-ring-blur) var(--bs-focus-ring-width)
                var(--bs-focus-ring-color);
}
.accordion-button:focus {
    box-shadow: var(--bs-focus-ring-x, 0) var(--bs-focus-ring-y, 0)
                var(--bs-focus-ring-blur) var(--bs-focus-ring-width)
                var(--bs-focus-ring-color);
}

/* System link component */
.system-link:active { color: var(--ink) !important; }
.system-link .icon { transition: transform 0.3s ease; margin-left: -2px; padding-right: 2px; }
.system-link:hover .icon { transform: translateX(5px); }
.system-link:hover i {
  /*filter: drop-shadow(0 0 4px var(--accent));*/
  filter: drop-shadow(0 0 4px rgb(from var(--accent) r g b / 0.3));
}

/* Logo sizes — system entry page */
.logo-thumbnail img { border: none; }
img.logo-normal { width: 100%; max-width: 20rem; }
img.logo-tall   { max-height: 20rem; }

/* Search keyword highlight in browse results */
span.search-keyword {
    background-color: var(--surface-2);
    color: var(--ink);
    font-family: var(--mono);
}

/* Browse table rows */
tr.browse-row { cursor: pointer; }
tr.browse-row:hover { background-color: var(--browse-hover-color); }

/* Browse panel toggle state (managed by browse.js) */
.bg-active   { background-color: var(--surface-2); box-shadow: 0 4px 6px rgba(0,0,0,.1); }
.no-transition { transition: none !important; }

/* z-index stacking for browse filter and choices dropdown */
#filter                  { position: relative; z-index: 1000; }
.choices__list--dropdown { z-index: 1001 !important; }
.noUi-target             { z-index: 999 !important; }

/* Badges */
.badge:hover { text-decoration: none; }

/* Citation styling */
.citation { font-weight: 600; font-size: 0.86rem; }
.citations ol { font-size: 90%; }
.citations li:target {
    background-color: var(--highlight-color);
    border: 2px solid var(--accent);
    scroll-margin-top: 5rem;
}

.citation-btn-container {
    display: inline-flex;
    align-items: stretch;
    overflow: hidden;
}
.citation-btn {
    font-size: 95%;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.citation-btn-container.expanded .citation-btn {
    border-radius: 0.375rem 0 0 0.375rem;
}
.citation-link-container {
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    background-color: var(--muted);
}
.citation-btn-container.expanded .citation-link-container {
    max-width: 10rem;
    opacity: 1;
    padding-left: 10px;
    padding-right: 10px;
}
.citation-expand-link {
    white-space: nowrap;
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    border-radius: 0.25rem;
    transition: background 0.2s ease;
}
.citation-expand-link:hover { color: #fff; }

/* Autocomplete suggestions */
.autocomplete-suggestion {
  font-family: var(--mono);
  background-color: var(--surface);
  border: 1px solid var(--ink-soft);
}
.autocomplete-suggestion b {
    color: var(--accent) !important;
    font-weight: bold;
    background-color: var(--highlight-color);
}

/* "Same as" indicator on system feature rows */
.section-sameas { font-size: 110%; }

/* ============================================================
   BASE (editorial redesign)
   ============================================================ */
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-2); text-decoration: dotted underline; }

.label {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--muted);
}

.serif { font-family: var(--serif); }
.mono  { font-family: var(--mono); }
.font-monospace { font-family: var(--mono) !important; }
.text-accent { color: var(--accent) !important; }

.hairline { border: 0; border-top: 1px solid var(--rule); margin: 0; }

/* ============================================================
   EDITION STRIP (top utility bar)
   ============================================================ */
.edition {
  background: var(--ink);
  color: var(--paper);
}
[data-bs-theme="dark"] .edition { background: #0d0b09; }

.edition .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 38px;
  padding-top: .35rem;
  padding-bottom: .35rem;
}
.edition .label { color: rgba(255,255,255,.62); }
.edition .label .text-accent { color: var(--accent); }

.edition-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.edition-actions a:hover { text-decoration: none; }

.edition .user-link, .theme-toggle, .edition .label {
  font-family: var(--mono);
  font-size: 0.7rem;
}

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.85);
  border-radius: 999px;
  height: 26px;
  padding: 0 .7rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.theme-toggle:hover { border-color: rgba(255,255,255,.5); }
.theme-toggle .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); flex: none;
}

.edition .user-link {
  letter-spacing: .08em;
  color: rgba(255,255,255,.7);
  display: inline-flex; align-items: center; gap: .35rem;
}
.edition .user-link:hover { color: #fff; }

/* ============================================================
   MASTHEAD
   ============================================================ */
.masthead {
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  padding-top: 1.6rem;
  padding-bottom: .5rem;
}
.masthead .rule-thick { border-top: 2px solid var(--ink); }

.nameplate {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 0.94;
  color: var(--ink);
  text-align: center;
  font-size: clamp(3rem, 8.5vw, 6.2rem);
  margin: 0;
}
.nameplate .of {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  margin-right: 0.8rem;
}

.masthead-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .5rem 0 .9rem;
}
.masthead-meta .label { white-space: nowrap; }
.masthead-meta .edge { flex: none; }

/* primary nav row */
.topnav { background: var(--paper); }
.topnav .container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.topnav a {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: .85rem 1.25rem;
  position: relative;
}
.topnav a:hover { color: var(--accent); }
.topnav a.active { color: var(--ink); }
.topnav a.active::after {
  content: "";
  position: absolute; left: 1.25rem; right: 1.25rem; bottom: -1px;
  height: 2px; background: var(--accent);
}

/* ============================================================
   HERO
   ============================================================ */
.lead-line {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  color: var(--ink-soft);
  font-weight: 400;
  text-align: center;
  margin: 0 auto 1.9rem;
  max-width: 38ch;
  line-height: 1.4;
}
.lead-line b { color: var(--ink); font-weight: 600; }

/* Search */
.search-wrap { max-width: 680px; margin: 0 auto; }
.search-field {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: 0;
}
.search-field .ic {
  padding: 0 .25rem 0 1.1rem;
  color: var(--ink);
  font-size: 1.05rem;
}
.search-field input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 1.05rem 1rem 1.05rem .65rem;
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink);
  outline: none;
}
.search-field input::placeholder { color: var(--muted); font-style: italic; }
.search-field .kbd {
  margin-right: .9rem;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: .2rem .45rem;
  white-space: nowrap;
}

/* CTA buttons */
.cta-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .6rem;
}
.cta-row a:hover { text-decoration: none; }
.cta {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .72rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.1rem;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background .15s, color .15s, border-color .15s;
}
.cta:hover, .cta.cta-ghost:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.cta.cta-ghost {
  background: var(--surface);
  color: var(--ink);
}
/*.cta.cta-ghost:hover {*/
/*  background: var(--accent);*/
/*  color: var(--paper);*/
/*  border-color: var(--ink);*/
/*}*/

/* ============================================================
   SHORTCUT CARDS
   ============================================================ */
.shortcuts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.shortcut {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: 1.15rem 1.3rem;
  border-right: 1px solid var(--rule);
  transition: background .15s;
}
.shortcut:last-child { border-right: 0; }
.shortcut:hover { background: var(--tint); text-decoration: none; }
.shortcut .sc-ic {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--rule);
  color: var(--accent);
  font-size: 1.5rem;
}
.shortcut .sc-tx .t {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: 3.4rem 0 1.3rem;
}
.sec-head h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  white-space: nowrap;
  color: var(--ink);
}
.sec-head .rule { flex: 1; border-top: 1px solid var(--rule); }
.sec-head .num {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ============================================================
   DATA-MODEL INDEX RAIL
   ============================================================ */
.index-rail {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.index-chip {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  padding: .42rem .8rem;
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  background: var(--surface);
  transition: border-color .15s, color .15s, background .15s;
}
.index-chip:hover { background: var(--tint); color: var(--accent); }
.index-chip .ct { color: var(--muted); font-size: .64rem; }
.index-chip:hover .ct { color: var(--accent); }

/* ============================================================
   EDITOR'S PICK SPOTLIGHT
   ============================================================ */
.spotlight {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  padding: 1.4rem 1.6rem;
}
.spotlight .mono-tile { width: 110px; height: 110px; font-size: 1.8rem; }
.spotlight .sp-kicker {
  font-family: var(--mono); text-transform: uppercase;
  letter-spacing: .16em; font-size: .64rem; color: var(--accent);
  font-weight: 600; margin-bottom: .4rem;
}
.spotlight h3 {
  font-family: var(--serif); font-weight: 600; font-size: 1.7rem;
  margin: 0 0 .35rem; color: var(--ink);
}
.spotlight p {
  font-family: var(--serif); font-size: 1.02rem; color: var(--ink-soft);
  margin: 0; max-width: 90ch; line-height: 1.5;
}
.spotlight .sp-meta {
  display: flex; gap: .4rem; margin-top: .7rem; flex-wrap: wrap;
}
.spotlight .sp-meta .index-chip { pointer-events: none; }
.spotlight .cta { align-self: center; }
.spotlight:hover { text-decoration: none; }

/* ============================================================
   RANKED LISTS
   ============================================================ */
.list-col h3.col-title {
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .2rem;
}
.list-col .col-sub {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .7rem;
}
.list-col .col-rule { border-top: 2px solid var(--ink); margin-bottom: .2rem; }

.db-row {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .7rem .25rem;
  border-bottom: 1px solid var(--rule-soft);
  transition: background .15s;
}
.db-row:hover { background: var(--tint); }
.db-row .rank {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
  width: 1.4rem;
  flex: none;
}
.db-row:hover .rank { color: var(--accent); }

.mono-tile {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--rule);
  background: var(--surface-2);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1;
  overflow: hidden;
}
.mono-tile img { width: 100%; height: 100%; object-fit: contain; }
.db-row .db-info {
  min-width: 0;
  flex: 1;
  line-height: 0.9rem;
}
.db-row .db-name {
  font-family: var(--serif);
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--ink);
}
.db-row:hover .db-name { color: var(--accent); }
.db-row:hover { text-decoration: none; }
.info-subtitle {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .15rem;
}
.db-row .db-metric {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--muted);
  white-space: nowrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: 4rem;
  border-top: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.8rem 0;
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer .copy {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--muted);
}
.site-footer .copy a { color: var(--ink-soft); }
.site-footer .copy a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .68rem;
  color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: .4rem;
}
.footer-links a:hover { color: var(--accent); }

/* ============================================================
   RUNNING HEADER (interior pages)
   ============================================================ */
.runhead {
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.runhead .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 66px;
  padding-top: .6rem;
  padding-bottom: .6rem;
}
.runhead .wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.runhead .wordmark:hover { text-decoration: none; }
.runhead .wordmark .of { font-style: italic; font-weight: 400; color: var(--accent); margin-right: 0.2rem; }
.rh-toggle {
  background: transparent; border: 0; padding: .35rem .45rem;
  color: var(--ink); font-size: 1.15rem; cursor: pointer; line-height: 1;
}
.rh-toggle:hover { color: var(--accent); }

.rh-nav { display: flex; flex-wrap: wrap; align-items: center; }
.rh-nav a {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .7rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: .5rem .9rem;
  position: relative;
}
.rh-nav a:hover { color: var(--accent); }
.rh-nav a.active { color: var(--ink); }
.rh-nav a.active::after {
  content: ""; position: absolute; left: .9rem; right: .9rem; bottom: -.65rem;
  height: 4px; background: var(--accent);
}

/* Inline search form in the runhead */
.rh-search {
  display: inline-flex; align-items: center; margin-left: .5rem;
  background: var(--surface); border: 1.5px solid var(--ink);
}
.rh-search input {
  font-family: var(--serif); font-size: .95rem; font-style: italic;
  border: 0; background: transparent; color: var(--ink);
  padding: .3rem .5rem .3rem .7rem; outline: none; width: 160px;
}
.rh-search input::placeholder { color: var(--muted); }
.rh-search button {
  background: transparent; border: 0; color: var(--ink-soft);
  padding: .2rem .5rem; cursor: pointer; font-size: .8rem;
}
.rh-search button:hover { color: var(--accent); }

/* Desktop: always show nav regardless of Bootstrap collapse state */
@media (min-width: 768px) {
  .rh-nav { display: flex !important; }
}

/* Mobile: expanded nav sits below the wordmark row as a vertical list */
@media (max-width: 767.98px) {
  .runhead .container { flex-wrap: wrap; }
  .rh-nav { display: none; }
  .rh-nav.rh-open {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    border-top: 1px solid var(--rule-soft);
    padding: .4rem 0 .8rem;
  }
  .rh-nav.rh-open a {
    padding: .55rem .25rem;
    width: 100%;
  }
  .rh-nav.rh-open a.active::after { display: none; }
  .rh-nav.rh-open .rh-search {
    margin-left: 0; margin-top: .4rem; width: 100%;
  }
  .rh-nav.rh-open .rh-search input { width: 100%; }
}

/* ============================================================
   FLAG CHIP (simple geometric)
   ============================================================ */
.flag {
  display: inline-block;
  width: 20px; height: 13px;
  border: 1px solid var(--rule);
  vertical-align: -1px;
  margin-right: .35rem;
}

/* ============================================================
   BROWSE — search + filters
   ============================================================ */
form.main-search { display: block; padding: 0; }

.bsearch {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--ink);
  background: var(--surface);
}
.bsearch .ic { display: flex; align-items: center; padding: 0 .35rem 0 1.15rem; color: var(--ink); }
.bsearch input {
  flex: 1; min-width: 0; border: 0; background: transparent;
  padding: 1rem .7rem; font-family: var(--serif); font-size: 1.3rem; color: var(--ink); outline: none;
}
.bsearch input::placeholder { color: var(--muted); font-style: italic; }
.bsearch .count {
  display: flex; align-items: center; white-space: nowrap;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--accent); padding: 0 1.1rem;
}
.bsearch .go {
  background: var(--ink); color: var(--paper); border: 0;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem;
  padding: 0 1.5rem; cursor: pointer; transition: background .15s, color .15s;
}
.bsearch .go:hover { background: var(--accent); color: var(--accent-ink); }

.panel { border: 1px solid var(--rule); border-top: 0; background: var(--surface); }
.panel-toggle {
  width: 100%; text-align: left; background: transparent; border: 0;
  padding: .75rem 1.15rem; cursor: pointer;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: .7rem; font-weight: 500; color: var(--ink);
  display: flex; align-items: center; gap: .55rem;
}
.panel-toggle .chev { margin-left: auto; transition: transform .2s; font-size: .7rem; color: var(--muted); }
.panel-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }
.panel-body { padding: 0 1.15rem 1.15rem; }

.filter-row { /* layout via Bootstrap utilities on the element */ }
.field-pick {
  flex: none; align-self: flex-start;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .66rem;
  border: 1px solid var(--rule); background: var(--surface-2); color: var(--ink-soft);
  padding: .5rem .7rem; display: inline-flex; align-items: center; gap: .5rem; min-width: 150px; max-width: 14rem; cursor: pointer; white-space: nowrap;
}
.field-pick .chev { margin-left: auto; color: var(--muted); font-size: .6rem; }
.token-box {
  flex: 1; border: 1px solid var(--rule); background: var(--paper);
  padding: .45rem; display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; min-height: 42px;
}
.token {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .02em;
  background: var(--ink); color: var(--paper); padding: .28rem .3rem .28rem .6rem;
  display: inline-flex; align-items: center; gap: .5rem;
}
.token .x { cursor: pointer; opacity: .65; font-size: .7rem; }
.token .x:hover { opacity: 1; color: var(--accent); }

.filter-actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-top: .9rem; }
.btn {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .66rem;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper) !important;
  padding: .45rem .8rem; display: inline-flex; align-items: center; gap: .4rem; cursor: pointer; white-space: nowrap;
  border-radius: 0px;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink) !important; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink) !important; border-color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper) !important; }
.mini-select {
  font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .06em;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink-soft);
  padding: .45rem .6rem;
}
.filter-actions .spacer { flex: 1; }

/* ---- year range filter ---- */
.year-control {
  flex: 1 1 100%; border: 1px solid var(--rule); background: var(--paper);
  padding: .7rem 1.2rem 1rem;
  display: flex; flex-direction: column; gap: .85rem; justify-content: center;
}
.year-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.year-head .yr-cap {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .14em; font-size: .56rem; color: var(--muted);
}
.year-head .yr-range {
  font-family: var(--mono); font-size: .92rem; letter-spacing: .03em; color: var(--ink); font-weight: 500;
}
.year-head .yr-range .sep { color: var(--muted); margin: 0 .35rem; }
.year-slider { margin: .15rem .25rem 0; }
.year-bounds {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: .6rem; letter-spacing: .06em; color: var(--muted); margin-top: -.15rem;
}

@media (min-width: 768px) { .year-control { flex: 1; } }

/* ---- noUiSlider — editorial theme (replaces default teal) ---- */
/* !important needed: nouislider.min.css loads after style.css via {% block css %} */
.noUi-target { background: var(--surface-2) !important; border: 1px solid var(--rule) !important; border-radius: 0 !important; box-shadow: none !important; }
.noUi-horizontal { height: 5px !important; }
.noUi-connect { background: var(--ink) !important; border-radius: 0 !important; transition: background .15s; }
.noUi-horizontal .noUi-handle {
  width: 14px !important; height: 20px !important; right: -7px !important; top: -8px !important;
  border-radius: 0 !important; border: 1.5px solid var(--ink) !important; background: var(--surface) !important;
  box-shadow: none !important; cursor: ew-resize !important; transition: border-color .15s, background .15s;
}
.noUi-handle::before, .noUi-handle::after { display: none !important; }
.noUi-handle:hover, .noUi-handle:focus, .noUi-handle.noUi-active { border-color: var(--accent) !important; background: var(--accent) !important; }
.noUi-target[disabled] .noUi-connect { background: var(--muted) !important; }

/* ---- Remove link (rightmost item in each filter-row) ---- */
.row-remove {
  flex: none; align-self: center;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .58rem;
  color: var(--muted); display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap; transition: color .15s;
}
.row-remove:hover { color: var(--accent); }

/* ---- Choices.js wrapper inside filter-row ---- */
.filter-control { flex: 1 1 100%; }
@media (min-width: 768px) { .filter-control { flex: 1; } }

/* ---- Dropdown menu max-height (moved from inline style) ---- */
.filter-row .dropdown-menu { max-height: 200px; overflow-y: auto; }

.dropdown-item:active { background-color: var(--accent); }

/* Choices.js widget overrides */
.choices__inner {
  background: var(--paper) !important;
  border: 1px solid var(--rule) !important;
  border-radius: 0 !important;
  padding: .4rem .45rem !important;
  min-height: 40px !important;
  font-family: var(--sans) !important;
}
.choices__list--multiple .choices__item {
  background: var(--ink) !important;
  border: 0 !important;
  border-radius: 0 !important;
  color: var(--paper) !important;
  font-family: var(--mono) !important;
  font-size: .68rem !important;
  letter-spacing: .04em !important;
  padding: .22rem .3rem .22rem .55rem !important;
  margin: 2px 3px 2px 0 !important;
}
.choices__list--multiple .choices__item .choices__button {
  border-left: 1px solid rgba(255,255,255,.3) !important;
  opacity: .65;
}
.choices__list--multiple .choices__item .choices__button:hover { opacity: 1; }

/* column checklist */
.grp-h {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; font-size: .6rem; color: var(--muted);
  border-bottom: 1px solid var(--rule); padding-bottom: .35rem; margin-bottom: .55rem;
}
.col-check { display: flex; align-items: center; gap: .5rem; font-family: var(--sans); font-size: .82rem; color: var(--ink-soft); padding: .12rem 0; }
.col-check input { accent-color: var(--accent); }
.col-feat { columns: 2; column-gap: 1.4rem; }
.col-feat .col-check { break-inside: avoid; }

/* ============================================================
   BROWSE — results table
   ============================================================ */
.results { margin-top: 1.6rem; }
table.rtable { width: 100%; border-collapse: collapse; }
thead.table-dark th,
table.rtable thead th {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .07em; font-size: .62rem; font-weight: 500;
}
table.rtable thead th {
  background: var(--ink); color: var(--paper);
  padding: .75rem .65rem; text-align: left; white-space: nowrap;
}
table.rtable thead th .caret { color: rgba(255,255,255,.4); margin-left: .25rem; font-size: .6rem; }
table.rtable thead th .sort-btn {
  background: transparent; border: 0; padding: 0; cursor: pointer;
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .07em; font-size: .8rem;
  font-weight: 700; color: var(--paper); text-align: left; white-space: nowrap;
}
table.rtable .table-responsive, table.rtable { width: 100%; }
table.rtable tbody td { padding: .8rem .65rem; border-bottom: 1px solid var(--rule-soft); vertical-align: middle; }
table.rtable tbody tr { transition: background .15s; }
table.rtable tbody tr:hover { background: var(--tint); }
.r-logo { width: 52px; }
.r-logo .mono-tile { width: 38px; height: 38px; font-size: .82rem; }
.r-name { font-family: var(--serif); font-weight: 600; font-size: 1.04rem; color: var(--ink); line-height: 1.2; }
table.rtable tbody tr:hover .r-name { color: var(--accent); }
.r-year { font-family: var(--mono); font-size: .8rem; color: var(--ink-soft); white-space: nowrap; }
.r-country { font-family: var(--mono); font-size: .74rem; color: var(--ink-soft); white-space: nowrap; }
.r-model, .r-query { font-family: var(--sans); font-size: .86rem; color: var(--ink-soft); }
.r-dash { color: var(--muted); }
.tag-cell { width: 1%; }
/*.tag-stack { display: flex; flex-wrap: wrap; gap: .35rem; }*/
.tag-stack .tag-badge { font-size: 0.5rem !important; }

/* tag badges */
.tag-badge {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .05em; font-size: 1rem;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink-soft);
  padding: .28rem .5rem; display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap;
  transition: border-color .15s, color .15s;
}
@media (max-width: 767.98px) {
  .tag-badge { font-size: 0.7rem }
}
.tag-badge i { font-size: .7rem; color: var(--muted); }

.rtable .tag-badge { font-size: .65rem; }
.tag-badge:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.tag-badge:hover span { text-decoration: dotted underline; }
.tag-badge:hover i { color: var(--accent); }
.tag-badge.danger { border-color: color-mix(in srgb, var(--accent) 35%, var(--rule)); color: var(--accent); }
.tag-badge.danger i { color: var(--accent); }

/* ============================================================
   ENTRY PAGE
   ============================================================ */
.entry-main {
  font-family: var(--serif);
  min-width: 0;
}

.entry-kicker {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .16em; font-size: .64rem;
  color: var(--accent); font-weight: 600; margin-bottom: .55rem;
}
.entry-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.entry-title {
  font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; line-height: .98; margin: 0;
  font-size: clamp(2.4rem, 5.5vw, 3.7rem); color: var(--ink);
}
.btn-edit {
  flex: none; margin-top: .4rem;
  letter-spacing: .1em;
  border: 1.5px solid var(--ink); background: transparent; color: var(--ink) !important;
  padding: .5rem .85rem; gap: .45rem; transition: background .15s, color .15s;
}

.entry-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.entry-lead-block {
  font-family: var(--serif); color: var(--ink-soft);
}
.entry-section {
  font-family: var(--serif); color: var(--ink); font-size: 1.05rem;
}
.entry-lead b { color: var(--ink); font-weight: 600; }

/* Flatpage body text matches entry-lead-block prose style */
.flatpage-content { font-family: var(--serif); color: var(--ink-soft); }
.flatpage-content a { color: var(--accent); }
.flatpage-content a:hover { color: var(--accent); text-decoration: underline dotted; }
.flatpage-modified { margin-top: 2rem; }
.flatpage-content h2 { margin-top: 2.3rem; }

/* ---- Page-level alert ---- */
.page-alert {
  --alert-color: var(--accent);
  --alert-bg:    var(--tint);
  display: flex; align-items: flex-start; gap: .75rem;
  border: 1.5px solid var(--alert-color); background: var(--alert-bg);
  color: var(--ink);
  font-family: var(--sans);
}
.page-alert .page-alert-icon { color: var(--alert-color); font-size: 1.4rem; margin-top: .1rem; flex-shrink: 0; }
.page-alert-body { flex: 1; min-width: 0; }
.page-alert-body a:not(.btn-edit):not(.btn-solid) { color: var(--alert-color); }
.page-alert .btn-edit { margin-top: 0; }

/* type variants */
.page-alert--error   { --alert-color: var(--accent);  --alert-bg: var(--tint); }
.page-alert--info    { --alert-color: #1d6fa5; --alert-bg: rgba(29,111,165,.06); }
.page-alert--warning { --alert-color: #b45309; --alert-bg: rgba(180,83,9,.06); }
.page-alert--success { --alert-color: var(--ok); --alert-bg: rgba(31,138,91,.06); }
[data-bs-theme="dark"] .page-alert--info    { --alert-color: #60a5fa; --alert-bg: rgba(96,165,250,.10); }
[data-bs-theme="dark"] .page-alert--warning { --alert-color: #f59e0b; --alert-bg: rgba(245,158,11,.10); }
[data-bs-theme="dark"] .page-alert--success { --alert-color: var(--ok); --alert-bg: rgba(79,189,138,.10); }

.entry-section { margin-top: 2.3rem; scroll-margin-top: 1rem; }
.entry-section:target { outline: 2px solid var(--accent); outline-offset: .5rem; border-radius: 3px; background: var(--tint); }
.entry-section h2 {
  font-family: var(--serif); font-weight: 600; font-size: 1.55rem; margin: 0;
  color: var(--ink); display: inline;
}
.cites { font-family: var(--mono); font-size: .6rem; }
.cites a {
  color: var(--accent);
  padding-left: .15rem;
  white-space: nowrap;
  /*vertical-align: super;*/
}

.entry-section .sec-rule { border-top: 1.5px solid var(--ink); margin: .55rem 0 .85rem; }
.entry-section .badges { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .85rem; }

.entry-section code {
  font-family: var(--mono); font-size: .84em; background: var(--surface-2);
  padding: .1rem .36rem; border-radius: 3px; color: var(--accent-2);
}
.badge-section {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .03em;
  border: 1px solid var(--rule); background: var(--surface-2); color: var(--ink-soft);
  padding: .3rem .6rem; display: inline-flex; align-items: center; transition: border-color .15s, color .15s; white-space: nowrap;
}
.badge-section:hover { border-color: var(--accent); color: var(--accent); }

/* sidebar factbox */
@media (min-width: 768px) {
  .entry-sidebar { width: 36%; max-width: 400px; }
}
.factbox { border: 1px solid var(--rule); background: var(--surface); }
.fb-logo {
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 1.6rem;
  padding-right: 1.6rem;
  border-bottom: 1px solid var(--rule);
/*   display: flex;  */
  flex-direction: column; align-items: center;
}
.fb-logo .mono-tile { width: 96px; height: 96px; font-size: 1.7rem; margin-inline: auto; }
.fb-logo .fb-name { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; margin-top: .7rem; color: var(--ink); }
.fb-logo .logo-versions-link {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .6rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  text-align: right;
}


.fact { padding: .68rem 1.2rem; border-bottom: 1px solid var(--rule-soft); }
.fact:last-child { border-bottom: 0; }
.fact dt {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; font-size: .58rem;
  color: var(--muted); margin-bottom: .22rem;
}
.fact dd { margin: 0; font-family: var(--sans); font-size: .86rem; color: var(--ink); line-height: 1.45; word-break: break-word; }
.fact dd a { color: var(--accent); }
.fact dd .lnk { color: var(--ink-soft); }
.fact dd .lnk:hover { color: var(--accent); }

.side-card { border: 1px solid var(--rule); background: var(--surface); margin-top: 1.3rem; }
.side-card .sc-h {
  font-family: var(--serif); font-weight: 600; font-size: 1.05rem; color: var(--ink);
  padding: .8rem 1.2rem; border-bottom: 1px solid var(--rule);
}
.logo-row { display: flex; align-items: center; gap: .75rem; padding: .6rem 1.2rem; border-bottom: 1px solid var(--rule-soft); }
.logo-row:last-of-type { border-bottom: 0; }
.logo-row .mono-tile { width: 34px; height: 34px; font-size: .76rem; }
.logo-row .ln { font-family: var(--serif); font-weight: 600; font-size: .95rem; color: var(--ink); }
.logo-row:hover .ln { color: var(--accent); }

/* System tile cards (hosted services, acquisitions, developed systems) */
.sys-card {
  border: 1px solid var(--rule);
  background: var(--surface);
  transition: border-color .15s, background .15s;
}
.sys-card:hover { background: var(--tint); }
.sys-card .ln { font-family: var(--serif); font-weight: 600; color: var(--ink); }
.sys-card:hover .ln { color: var(--accent); }

.sc-foot {
  padding: .65rem 1.2rem; border-top: 1px solid var(--rule);
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .64rem;
}
.sc-foot a { color: var(--accent); }

/* citations */
.citations-block { margin-top: 3rem; }
.citations-list { list-style: none; counter-reset: cite; padding: 0; margin: 0; }
.citations-list li {
  counter-increment: cite; display: flex; gap: .8rem; align-items: baseline;
  padding: .5rem 0; border-bottom: 1px solid var(--rule-soft);
  font-family: var(--sans); font-size: .84rem; color: var(--ink-soft);
}
.citations-list li::before {
  content: counter(cite, decimal-leading-zero) "."; font-family: var(--mono); color: var(--muted);
  font-size: .72rem; flex: none; width: 2rem; text-align: right;
}
.citations-list li:target { outline: 2px solid var(--accent); outline-offset: .35rem; border-radius: 3px; background: var(--tint); }
.citations-list a { color: var(--accent); word-break: break-all; }
.citations-list .src { font-style: italic; color: var(--muted); }
.cite-body { flex: 1; min-width: 0; }
.cite-meta {
  font-family: var(--mono); font-size: .58rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); border: 1px solid var(--rule); padding: .1rem .4rem; white-space: nowrap;
}
.citation-archive .cite-meta { transition: background .15s, border-color .15s, color .15s; }
.citation-archive:hover .cite-meta { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.citation-link:hover { text-decoration: underline dotted; text-underline-offset: 3px; }
.cite-body .btn { font-size: .58rem; padding: .1rem .4rem; letter-spacing: .05em; }
.btn-row-remove { background: transparent; border: none; padding: 0; cursor: pointer; color: var(--ink); line-height: 1; }
.btn-row-remove:hover { color: var(--accent); }

.entry-foot {
  border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: .8rem; letter-spacing: .05em; color: var(--muted);
  display: flex; justify-content: flex-end; gap: 1.2rem;
}
.entry-foot .text-accent { color: var(--accent); }

/* ============================================================
   PAGE TITLE (interior section pages)
   ============================================================ */
.page-title { text-align: left; padding: 2.6rem 0 1.4rem; }
.page-title .kicker {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .2em; font-size: .66rem;
  color: var(--accent); font-weight: 600; margin-bottom: .8rem;
}
.page-title .kicker a {
  color: var(--accent);
}
.page-title h1 {
  font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; line-height: 1; margin: 0;
  font-size: clamp(2.6rem, 7vw, 4.6rem); color: var(--ink);
}
.page-title .sub {
  font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--ink-soft); margin: .7rem 0 0;
}
.title-rule { border: 0; border-top: 2px solid var(--ink); margin: 1.4rem 0 0; }

/* ============================================================
   LEADERBOARDS — stat cards
   ============================================================ */
.lb-card { border: 1px solid var(--rule); background: var(--surface); display: flex; flex-direction: column; }
.lb-h {
  font-family: var(--serif);
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  text-align: center;
}
.lb-row {
  display: flex; align-items: center; gap: .7rem;
  border-bottom: 1px solid var(--rule-soft); transition: background .15s;
}
.lb-row:last-child { border-bottom: 0; }
.lb-row:hover { background: var(--tint); }
.lb-rank { font-family: var(--mono); font-size: .64rem; color: var(--muted); width: 1.4rem; flex: none; }
.lb-row:hover .lb-rank { color: var(--accent); }
.lb-tile { width: 30px; height: 30px; flex: none; font-size: .7rem; }
.lb-name { font-family: var(--serif); font-weight: 600; font-size: .96rem; color: var(--ink); flex: 1; min-width: 0; }
.lb-row:hover .lb-name { color: var(--accent); }
.lb-count { font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); white-space: nowrap; }
.cc-code {
  width: 30px; height: 22px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--rule); background: var(--surface-2);
  font-family: var(--mono); font-size: .6rem; font-weight: 600; color: var(--ink-soft); letter-spacing: .02em;
}

/* ============================================================
   RECENT CHANGES — feed + pagination
   ============================================================ */
.feed { border-top: 2px solid var(--ink); }
.feed-item {
  display: grid; grid-template-columns: 190px 1fr; gap: 1.5rem;
  padding: 1.1rem .25rem; border-bottom: 1px solid var(--rule-soft); transition: background .15s;
}
.feed-item:hover { background: var(--tint); }
.feed-time { font-family: var(--mono); font-size: .72rem; color: var(--muted); letter-spacing: .02em; padding-top: .35rem; }
.feed-time a { color: var(--muted); }
.feed-time a:hover { color: var(--accent); text-decoration: none; }
.feed-body { min-width: 0; }
.feed-line { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; }
.feed-line .verb { font-family: var(--sans); font-size: .9rem; color: var(--ink-soft); }
.feed-line .actor { font-family: var(--mono); font-size: .8rem; color: var(--accent); display: inline-flex; align-items: center; gap: .35rem; }
.feed-tile { width: 30px; height: 30px; flex: none; font-size: .7rem; }
.feed-line .sys { font-family: var(--serif); font-weight: 600; color: var(--ink); }
.feed-line .btn-edit { margin-top: 0; }
.feed-line .feed-line-right { margin-left: auto; }
.feed-line a.sys:hover { color: var(--accent); }
.feed-comment {
  font-family: var(--serif); font-style: italic; font-size: 1rem; color: var(--ink-soft);
  margin: .4rem 0 0; padding-left: .9rem; border-left: 2px solid var(--rule);
}

.feed-wrap { max-width: 860px; margin: 0 auto; }

.compare-bar { display: flex; align-items: center; gap: 1rem; padding: .2rem 0 1.2rem; flex-wrap: wrap; }
.compare-bar .hint {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: .62rem; color: var(--muted);
}
.compare-btn {
  font-size: .64rem; letter-spacing: .1em; padding: .45rem .95rem;
  background: transparent; color: var(--muted) !important; border-color: var(--rule);
  cursor: not-allowed; transition: background .15s, border-color .15s, color .15s;
}
.compare-btn.ready { border-color: var(--ink); color: var(--ink) !important; cursor: pointer; }

.feed-item.checked { background: var(--tint); }
.ver-tag {
  font-family: var(--mono); font-size: inherit; letter-spacing: .03em; color: var(--ink-soft);
  border: 1px solid var(--rule); padding: .12rem .45rem; white-space: nowrap;
  background: var(--surface-2);
}
.feed-actions { display: inline-flex; align-items: center; gap: .4rem; margin-left: auto; }
.feed-actions a:hover { text-decoration: none; }
.compare-select-btn {
  font-size: .58rem; padding: .2rem .5rem; gap: .35rem;
  background: transparent; color: var(--muted) !important; border-color: var(--rule);
  transition: border-color .15s, color .15s, background .15s;
}
.compare-select-btn:hover { border-color: var(--accent); color: var(--accent) !important; background: transparent; }
.compare-select-btn.selected { border-color: var(--accent); background: var(--accent); color: var(--accent-ink) !important; }
.diff-link {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .58rem;
  color: var(--muted); border: 1px solid var(--rule); padding: .2rem .5rem;
  display: inline-flex; align-items: center; gap: .35rem;
  transition: border-color .15s, color .15s;
}
.diff-link:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.pager { display: flex; align-items: center; justify-content: center; gap: .3rem; padding: 1.4rem 0; flex-wrap: wrap; }
.pager .pager-num, .pager .pager-edge {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink-soft);
  padding: .4rem .7rem; min-width: 36px; text-align: center; transition: border-color .15s, color .15s, background .15s;
}
.pager .pager-edge { text-transform: uppercase; font-size: .64rem; letter-spacing: .1em; }
.pager .pager-edge.disabled { opacity: .4; pointer-events: none; }
.pager .pager-num:hover, .pager .pager-edge:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.pager .pager-num.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pager .pager-num.active:hover { color: var(--paper); }
.pager .dots { font-family: var(--mono); color: var(--muted); padding: 0 .3rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767.98px) {
  .shortcuts { grid-template-columns: 1fr; }
  .shortcut { border-right: 0; border-bottom: 1px solid var(--rule); }
  .shortcut:last-child { border-bottom: 0; }
  .spotlight { grid-template-columns: 1fr; text-align: left; }
  .spotlight .mono-tile { width: 84px; height: 84px; }
  .masthead-meta .edge { display: none; }
  .search-field .kbd { display: none; }
  .bsearch input { font-size: 1.05rem; }
  .runhead .container { min-height: 0; }
  .results { overflow-x: auto; }
  .diff-table .badge-section { white-space: normal; }
  .feed-item { grid-template-columns: 1fr; gap: .35rem; }
  .feed-time { padding-top: 0; }
}

/* ============================================================
   VERSION DIFF PAGE
   ============================================================ */

del { background: var(--diff-del-bg); color: var(--diff-del-fg); }
ins { background: var(--diff-ins-bg); color: var(--diff-ins-fg); }

.diff-table { table-layout: fixed; }
.diff-col-label { width: 15%; }
.diff-table th,
.diff-table td { vertical-align: top; padding: .5rem .75rem; border: 1px solid var(--rule) !important; }
.diff-table th { background: var(--surface-2); font-family: var(--mono); font-size: .72rem;
                  letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); }
.diff-table .diff-label { font-family: var(--sans); font-size: .8rem;
                           font-weight: 600; color: var(--ink-soft); background: var(--surface-2);
                           overflow-wrap: break-word; }
.diff-table tr.diff-changed td { background: color-mix(in srgb, var(--tint) 60%, transparent); }
.diff-table tr.diff-changed .diff-label { background: color-mix(in srgb, var(--tint) 60%, transparent); }
.diff-table tr.diff-citations td { background: var(--surface-2); font-size: .78rem; }
.diff-table tr.diff-citations .diff-label { font-weight: 400; font-style: italic; padding-left: 1.5rem; }
.diff-col-text { font-family: var(--mono); font-size: .8rem; white-space: pre-wrap; word-break: break-word; }
del.diff-del { border-radius: 2px; padding: 0 2px; }
ins.diff-ins { text-decoration: none; border-radius: 2px; padding: 0 2px; }
.diff-badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.diff-badge-del { font-family: var(--mono); font-size: .66rem; letter-spacing: .03em;
                  border: 1px solid var(--diff-del-border); background: var(--diff-del-bg); color: var(--diff-del-fg);
                  padding: .2rem .5rem; display: inline-flex; align-items: center; }
.diff-badge-add { font-family: var(--mono); font-size: .66rem; letter-spacing: .03em;
                  border: 1px solid var(--diff-ins-border); background: var(--diff-ins-bg); color: var(--diff-ins-fg);
                  padding: .2rem .5rem; display: inline-flex; align-items: center; }
.diff-version-header { font-family: var(--mono); font-size: .78rem; }

.diff-version-header .ver-meta { color: var(--ink-soft); }
.diff-cite-list {
  font-size: .78rem;
  list-style: none;
  counter-reset: cite;
  padding: 0;
  margin: 0;
}
.diff-cite-list li::before {
  content: counter(cite, decimal-leading-zero) ".";
  font-family: var(--mono);
  color: var(--muted);
  font-size: .72rem;
  flex: none;
  text-align: right;
}
.diff-cite-list li {
  counter-increment: cite;
  display: flex;
  gap: .8rem;
  align-items: baseline;
  padding: .5rem 0;
  font-family: var(--sans);
}

.diff-cite-url { font-family: var(--mono); font-size: .75rem; word-break: break-all; color: inherit; }
.diff-logo-img { max-height: 80px; max-width: 100%; object-fit: contain; }

/* ============================================================
   USER PROFILE PAGE
   ============================================================ */
.profile-main { min-width: 0; }

.sec-head.flush { margin-top: 0; }
.view-all {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .62rem;
  color: var(--accent); white-space: nowrap; display: inline-flex; align-items: center; gap: .35rem;
}
.view-all:hover { color: var(--accent-2); }

.block { border: 1px solid var(--rule); background: var(--surface); margin-bottom: 1.3rem; }
.block .block-h {
  font-family: var(--serif); font-weight: 600; font-size: 1.05rem; color: var(--ink);
  padding: .8rem 1.2rem; border-bottom: 1px solid var(--rule);
}
.block .block-body { padding: 1.15rem 1.2rem 1.3rem; }

.ed-field { margin-bottom: 1rem; }
.ed-field:last-of-type { margin-bottom: 1.2rem; }
.ed-field label {
  display: block; font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em;
  font-size: .58rem; color: var(--muted); margin-bottom: .42rem;
}
.ed-field input {
  width: 100%; border: 1px solid var(--rule); background: var(--paper);
  padding: .65rem .8rem; font-family: var(--sans); font-size: .9rem; color: var(--ink);
  outline: none; transition: border-color .15s; border-radius: 0;
}
.ed-field input::placeholder { color: var(--muted); }
.ed-field input:focus { border-color: var(--ink); }
.ed-field .form-text { font-size: .75rem; color: var(--muted); margin-top: .3rem; }
.suggest-error { font-size: .78rem; color: var(--accent); margin-top: .3rem; }

.btn-solid {
  letter-spacing: .12em; padding: .6rem 1.2rem;
  transition: background .15s, border-color .15s, color .15s;
}
.btn-solid.danger { background: var(--accent); border-color: var(--accent); color: var(--accent-ink) !important; }
.btn-solid.danger:hover { background: var(--accent-2); border-color: var(--accent-2); }

.status {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .07em; font-size: .56rem; font-weight: 500;
  padding: .26rem .5rem; display: inline-flex; align-items: center; gap: .4rem; line-height: 1;
  border: 1px solid var(--rule); white-space: nowrap;
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none; }
.status.live { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 38%, var(--rule)); }
.status.live::before { background: var(--ok); }
.status.super { color: var(--muted); }
.status.super::before { background: var(--muted); }
.status.pending { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 38%, var(--rule)); }
.status.pending::before { background: var(--warn); }

.r-ver { font-family: var(--mono); font-size: .78rem; color: var(--ink-soft); white-space: nowrap; }
.r-date { font-family: var(--mono); font-size: .76rem; color: var(--muted); white-space: nowrap; }
.r-role { font-family: var(--mono); text-transform: uppercase; letter-spacing: .06em; font-size: .62rem; color: var(--ink-soft); white-space: nowrap; }
.edit-link {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .58rem;
  color: var(--ink-soft); border: 1px solid var(--rule); padding: .28rem .6rem;
  display: inline-flex; align-items: center; gap: .4rem; transition: background .15s, border-color .15s, color .15s;
}
.edit-link:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ============================================================
   SYSTEM PAGE — specific styles (formerly system.css)
   ============================================================ */
.markdown-area > h1 { font-size: 1.7em; }
.markdown-area > h2 { font-size: 1.5em; }
.markdown-area > h3 { font-size: 1.3em; }

h3 > sup {
  font-size: 0.5em;
  top: -1em;
}

.badge-section::before {
  content: "▶ ";
  padding-right: 0.2rem;
}

div.card h2 a { font-size: 16px; }
div.card h4 a { font-size: 16px; }

div.popover { max-width: 600px; }
div.popover .popover-body ul { font-size: 12px; padding: 0 20px; margin: 10px 0; }

cite.hidden { display: none; }

div.systems-extra { margin-top: 20px; }
@media screen and (max-width: 760px) {
  div.systems-extra h4 { font-size: 140%; }
}

/* Floating action button — jump to save box (mobile only, hidden at md+) */
.fab-save { width: 2.6rem; height: 2.6rem; font-size: 1.4rem; }

/* ============================================================
   DOCUMENTATION PAGES
   ============================================================ */

.doc-grid { display: grid; grid-template-columns: 1fr min(36%, 400px); gap: 3rem; align-items: start; }

.doc-lead { font-family: var(--serif); font-size: 1.1rem; line-height: 1.65; color: var(--ink-soft); }
.doc-lead b { color: var(--ink); font-weight: 600; }
.doc-cites { font-family: var(--mono); font-size: .6rem; }
.doc-cites a { color: var(--accent); padding-left: .15rem; vertical-align: super; }
.doc-lnk { color: var(--ink-soft); }
.doc-lnk:hover { color: var(--accent); }

.doc-intro { font-family: var(--serif); font-size: 1.18rem; line-height: 1.6; color: var(--ink-soft); max-width: 70ch; }
.doc-intro b { color: var(--ink); font-weight: 600; }

.doc-card { display: flex; gap: .75rem; align-items: flex-start; border: 1px solid var(--rule); background: var(--surface); padding: .9rem 1.1rem; transition: border-color .15s, background .15s; }
.doc-card:hover { border-color: var(--accent); background: var(--surface-2); }
.doc-card .doc-num { font-family: var(--mono); font-size: .66rem; color: var(--muted); flex: none; padding-top: .2rem; min-width: 1.4rem; }
.doc-card .doc-name { font-family: var(--serif); font-weight: 600; font-size: 1.08rem; color: var(--ink); line-height: 1.15; }
.doc-card:hover .doc-name { color: var(--accent); }
.doc-card .doc-desc { font-size: .8rem; color: var(--muted); margin: .25rem 0 0; line-height: 1.45; }

.doc-feat-option { border: 1px solid var(--rule); background: var(--surface); padding: 1.4rem 1.55rem; margin-top: 1.1rem; }
.doc-feat-option .fo-head { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.doc-feat-option h3 { font-family: var(--serif); font-weight: 600; font-size: 1.32rem; margin: 0; color: var(--ink); }
.doc-feat-option .fo-body { font-size: .96rem; line-height: 1.62; color: var(--ink-soft); margin: .7rem 0 1.1rem; }
.doc-feat-option .fo-body code { font-family: var(--mono); font-size: .82em; background: var(--surface-2); padding: .1rem .36rem; border-radius: 3px; color: var(--accent-2); }

.doc-attr-def { padding: .9rem 0; border-bottom: 1px solid var(--rule); }
.doc-attr-def dt { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; color: var(--ink); display: flex; gap: .55rem; align-items: baseline; margin: 0; }
.doc-attr-def dt .an { font-family: var(--mono); font-size: .62rem; color: var(--muted); min-width: 1.5rem; flex: none; }
.doc-attr-def dd { margin: .3rem 0 0 2.05rem; font-size: .85rem; color: var(--muted); line-height: 1.5; }

.doc-attr-option { border: 1px solid var(--rule); background: var(--surface); padding: 1.1rem 1.35rem; margin-top: .9rem; }
.doc-attr-option h3 { font-family: var(--serif); font-weight: 600; font-size: 1.18rem; margin: 0; color: var(--ink); line-height: 1.2; }
.doc-attr-option .ao-num { font-family: var(--mono); font-size: .62rem; color: var(--muted); margin-right: .6rem; vertical-align: 2px; }
.doc-attr-option .ao-desc { font-size: .87rem; color: var(--muted); margin: .35rem 0 .85rem; line-height: 1.5; }

.doc-nav { padding: .4rem 0; }
.doc-nav .nav-group { font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: .56rem; color: var(--muted); padding: .8rem 1.2rem .3rem; }
.doc-nav a { display: flex; align-items: baseline; gap: .55rem; padding: .34rem 1.2rem; font-family: var(--serif); font-size: .92rem; color: var(--ink-soft); border-left: 2px solid transparent; }
.doc-nav a .n { font-family: var(--mono); font-size: .6rem; color: var(--muted); min-width: 1.1rem; }
.doc-nav a:hover { color: var(--accent); }
.doc-nav a.active { color: var(--accent); border-left-color: var(--accent); background: var(--surface-2); }
.doc-nav a.active .n { color: var(--accent); }

@media (max-width: 991.98px) {
  .doc-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* Logo Versions table */
.logo-swatch { display: inline-block; width: 1.5rem; height: 1.5rem; border-radius: .2rem; border: 1px solid var(--rule); background: var(--swatch-color, #ccc); vertical-align: middle; }
.logo-ver-col-num { width: 3.5rem; }
.logo-ver-num { font-family: var(--mono); font-size: .8rem; color: var(--muted); text-align: left; padding-right: 1.25rem; }
.logo-ver-tile .mono-tile { width: 5rem; height: 5rem; font-size: 1.2rem; }
.logo-ver-ext { font-family: var(--mono); font-size: .8rem; color: var(--ink-soft); text-transform: uppercase; }
.logo-ver-dim { font-family: var(--mono); font-size: .8rem; color: var(--ink-soft); }