/*
 * UGC glossary pages (/glossary/ and /glossary/<term>/).
 *
 * Built on top of seo.css (article layout) and site-system.css (tokens,
 * fonts, buttons, floating header). Only glossary-specific surfaces live here.
 * Bump GLOSSARY_CSS_VERSION in scripts/generate-glossary.mjs after editing.
 */

.glossary-page {
  --glossary-ease: var(--site-ease-out, cubic-bezier(0.23, 1, 0.32, 1));
  --glossary-line: var(--site-line, rgb(108 111 118 / .12));
  --glossary-muted: var(--site-muted, #626269);
  --glossary-primary: var(--site-primary, #3847fe);
  --glossary-soft: var(--site-primary-soft, #eef0ff);
}

/* ------------------------------------------------------------------ */
/* Term page: hero                                                     */
/* ------------------------------------------------------------------ */

.glossary-term .seo-article-hero {
  position: relative;
  overflow: hidden;
}

.glossary-term .seo-article-hero .seo-shell {
  position: relative;
}

/* Large initial as a quiet wayfinding mark; purely decorative. */
.glossary-letter-mark {
  position: absolute;
  top: -0.18em;
  right: -0.04em;
  z-index: 0;
  font-family: var(--site-font-display, inherit);
  font-size: clamp(200px, 30vw, 380px);
  font-variation-settings: "wght" 600;
  line-height: 1;
  letter-spacing: -0.06em;
  color: rgb(56 71 254 / .06);
  pointer-events: none;
  user-select: none;
}

.glossary-term .seo-article-hero .seo-eyebrow,
.glossary-term .seo-article-hero h1,
.glossary-term .seo-article-hero .glossary-definition,
.glossary-term .seo-article-hero .glossary-meta {
  position: relative;
  z-index: 1;
}

.glossary-term .seo-article-hero h1 {
  max-width: 820px;
  margin-bottom: 26px;
}

/* The answer box: definition first, styled as the page's one fact card. */
.seo-article-hero .lead.glossary-definition {
  max-width: 780px;
  margin: 0;
  padding: 22px 26px 24px;
  border: 1px solid rgb(56 71 254 / .18);
  border-left: 4px solid var(--glossary-primary);
  border-radius: 0 var(--site-radius-card, 18px) var(--site-radius-card, 18px) 0;
  background: #fff;
  box-shadow: var(--site-shadow-card, 0 1px 2px rgb(0 0 0 / .04));
  color: var(--site-ink, #121212);
  font-size: clamp(18px, 1.9vw, 21px);
  font-weight: 500;
  line-height: 1.55;
}

.seo-article-hero .lead.glossary-definition::before {
  content: "Definition";
  display: block;
  margin-bottom: 8px;
  color: var(--glossary-primary);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.glossary-meta {
  align-items: center;
  gap: 10px 18px;
  margin-top: 20px;
}

.glossary-aliases {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.glossary-aliases-label {
  margin-right: 4px;
  color: var(--glossary-muted);
}

.glossary-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border: 1px solid var(--glossary-line);
  border-radius: 100px;
  background: #fff;
  color: #4a4a50;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}

.glossary-updated {
  color: var(--glossary-muted);
}

/* ------------------------------------------------------------------ */
/* Term page: rail (contents + tool handoff)                           */
/* ------------------------------------------------------------------ */

.glossary-rail ol {
  gap: 8px;
}

.glossary-rail ol a {
  display: inline-block;
  padding: 2px 0;
  transition: color 140ms ease;
}

.glossary-tool-card {
  display: block;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgb(56 71 254 / .22);
  border-radius: 14px;
  background: linear-gradient(180deg, #fff 0%, var(--glossary-soft) 100%);
  color: var(--site-ink, #121212);
  text-decoration: none;
  transition:
    transform 160ms var(--glossary-ease),
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.glossary-tool-card small {
  display: block;
  color: var(--glossary-primary);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.glossary-tool-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 16px;
  letter-spacing: -.01em;
}

.glossary-tool-card > span {
  display: block;
  color: var(--glossary-muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.glossary-tool-card em {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: var(--glossary-primary);
  font-size: 13.5px;
  font-style: normal;
  font-weight: 650;
}

.glossary-tool-card em svg,
.glossary-pager small svg {
  width: 14px;
  height: 14px;
  transition: transform 160ms var(--glossary-ease);
}

.glossary-tool-card:active {
  transform: scale(.985);
}

/* ------------------------------------------------------------------ */
/* Term page: usage, related, pager                                    */
/* ------------------------------------------------------------------ */

.glossary-usage {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: glossary-usage;
}

.glossary-usage li {
  position: relative;
  padding: 16px 20px 16px 62px;
  border: 1px solid var(--glossary-line);
  border-radius: 14px;
  background: #fff;
  counter-increment: glossary-usage;
}

.glossary-usage li::before {
  content: counter(glossary-usage);
  position: absolute;
  top: 16px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--glossary-soft);
  color: var(--glossary-primary);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.seo-article-section .glossary-usage p {
  margin: 0;
  color: #3a3a40;
  font-size: 17px;
  line-height: 1.6;
}

.glossary-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.seo-article-section .glossary-related a,
.glossary-group li a {
  display: block;
  height: 100%;
  padding: 16px 18px;
  border: 1px solid var(--glossary-line);
  border-radius: 14px;
  background: #fff;
  color: var(--site-ink, #121212);
  font-weight: 400;
  text-decoration: none;
  transition:
    transform 160ms var(--glossary-ease),
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.seo-article-section .glossary-related strong,
.glossary-group li strong {
  display: block;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.seo-article-section .glossary-related span,
.glossary-group li span {
  display: block;
  margin-top: 5px;
  color: var(--glossary-muted);
  font-size: 14px;
  line-height: 1.5;
}

.seo-article-section .glossary-related a:active,
.glossary-group li a:active {
  transform: scale(.985);
}

.glossary-pager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--glossary-line);
}

.glossary-pager a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--site-ink, #121212);
  text-decoration: none;
  transition: background-color 150ms ease, transform 150ms var(--glossary-ease);
}

.glossary-pager a small {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--glossary-muted);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.glossary-pager a span {
  overflow: hidden;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.glossary-pager .next {
  align-items: flex-end;
  text-align: right;
}

.glossary-pager .all {
  align-self: center;
  justify-content: center;
  padding: 9px 14px;
  border: 1px solid var(--glossary-line);
  border-radius: 100px;
  background: #fff;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
}

.glossary-pager a:active {
  transform: scale(.98);
}

/* ------------------------------------------------------------------ */
/* Index page                                                          */
/* ------------------------------------------------------------------ */

.glossary-hero .lead {
  max-width: 740px;
}

.glossary-search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 560px;
  margin-top: 28px;
}

.glossary-search svg {
  position: absolute;
  top: 50%;
  left: 18px;
  width: 20px;
  height: 20px;
  color: var(--glossary-muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.glossary-search input {
  flex: 1 1 auto;
  width: 100%;
  min-height: 54px;
  padding: 0 130px 0 50px;
  border: 1px solid var(--glossary-line);
  border-radius: 100px;
  background: #fff;
  box-shadow: var(--site-shadow-card, 0 1px 2px rgb(0 0 0 / .04));
  color: var(--site-ink, #121212);
  font: inherit;
  font-size: 16px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
  appearance: none;
  -webkit-appearance: none;
}

.glossary-search input::placeholder {
  color: #8a8a90;
}

.glossary-search input:focus {
  outline: none;
  border-color: var(--glossary-primary);
  box-shadow: 0 0 0 4px rgb(56 71 254 / .14);
}

.glossary-search input::-webkit-search-cancel-button {
  cursor: pointer;
}

.glossary-count {
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--glossary-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  transform: translateY(-50%);
  pointer-events: none;
}

.glossary-index {
  padding-top: 26px;
}

.glossary-index-layout {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.glossary-letters {
  position: sticky;
  top: 124px;
  display: grid;
  grid-template-columns: repeat(2, 28px);
  gap: 4px;
}

.glossary-letters a,
.glossary-letters span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: var(--site-ink, #121212);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease;
}

.glossary-letters span {
  color: rgb(98 98 105 / .38);
}

.glossary-letters a.is-active {
  background: var(--glossary-soft);
  color: var(--glossary-primary);
}

.glossary-letters a.is-muted {
  color: rgb(98 98 105 / .38);
  pointer-events: none;
}

.glossary-group {
  padding: 4px 0 34px;
}

.glossary-group h2 {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 14px;
  font-size: 28px;
  letter-spacing: -.03em;
}

.glossary-group h2::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--glossary-line);
}

.glossary-group ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.glossary-group li a {
  padding: 18px 20px;
  border-radius: var(--site-radius-card, 18px);
  box-shadow: var(--site-shadow-card, 0 1px 2px rgb(0 0 0 / .04));
}

.glossary-group li strong {
  font-size: 17px;
}

.glossary-group li span {
  font-size: 14.5px;
}

.glossary-empty {
  margin: 0;
  padding: 34px 24px;
  border: 1px dashed rgb(108 111 118 / .35);
  border-radius: 18px;
  color: var(--glossary-muted);
  font-size: 16px;
  text-align: center;
}

.glossary-empty a {
  color: var(--site-primary-dark, #2634da);
  font-weight: 650;
}

/* ------------------------------------------------------------------ */
/* Interaction states                                                  */
/* ------------------------------------------------------------------ */

@media (hover: hover) and (pointer: fine) {
  .glossary-tool-card:hover,
  .seo-article-section .glossary-related a:hover,
  .glossary-group li a:hover {
    border-color: rgb(56 71 254 / .55);
    box-shadow: 0 12px 26px -16px rgb(56 71 254 / .55);
    transform: translateY(-2px);
  }

  .glossary-tool-card:hover em svg,
  .glossary-pager .next:hover small svg {
    transform: translateX(3px);
  }

  .glossary-pager .prev:hover small svg {
    transform: translateX(-3px);
  }

  .glossary-pager a:hover {
    background: #fff;
  }

  .glossary-letters a:hover {
    background: var(--glossary-soft);
    color: var(--glossary-primary);
  }

  .glossary-rail ol a:hover {
    color: var(--glossary-primary);
  }
}

.glossary-page :is(.glossary-tool-card, .glossary-related a, .glossary-group li a, .glossary-pager a, .glossary-letters a, .glossary-rail a):focus-visible {
  outline: 2px solid var(--glossary-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .glossary-page :is(.glossary-tool-card, .glossary-related a, .glossary-group li a, .glossary-pager a) {
    transition-property: border-color, box-shadow, background-color;
  }

  .glossary-page :is(.glossary-tool-card, .glossary-related a, .glossary-group li a, .glossary-pager a):is(:hover, :active) {
    transform: none;
  }

  .glossary-tool-card em svg,
  .glossary-pager small svg {
    transition: none;
  }
}

/* ------------------------------------------------------------------ */
/* Responsive                                                          */
/* ------------------------------------------------------------------ */

@media (max-width: 1000px) {
  .glossary-letter-mark {
    font-size: 220px;
  }
}

@media (max-width: 850px) {
  .glossary-letter-mark {
    display: none;
  }

  /* On one column the entry reads first; the rail (tool handoff) follows. */
  .glossary-rail {
    order: 2;
  }

  .glossary-rail ol {
    display: none;
  }

  .glossary-rail > strong {
    display: none;
  }

  .glossary-rail.seo-toc {
    padding: 0;
    border: 0;
    background: transparent;
  }

  .glossary-tool-card {
    margin-top: 0;
  }

  .glossary-related,
  .glossary-group ul {
    grid-template-columns: 1fr;
  }

  .glossary-index-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .glossary-letters {
    top: 78px;
    z-index: 3;
    display: flex;
    flex-wrap: nowrap;
    gap: 2px;
    padding: 6px;
    border: 1px solid var(--glossary-line);
    border-radius: 14px;
    background: rgb(247 247 248 / .9);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .glossary-letters::-webkit-scrollbar {
    display: none;
  }

  .glossary-letters a,
  .glossary-letters span {
    flex: 0 0 auto;
  }
}

@media (max-width: 540px) {
  .seo-article-hero .lead.glossary-definition {
    padding: 18px 18px 20px;
    font-size: 17px;
  }

  .glossary-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .glossary-search input {
    padding-right: 96px;
    font-size: 16px;
  }

  .glossary-count {
    right: 14px;
    font-size: 12px;
  }

  .glossary-pager {
    grid-template-columns: 1fr;
  }

  .glossary-pager .next {
    align-items: flex-start;
    text-align: left;
  }

  .glossary-pager .all {
    order: 3;
    justify-self: start;
  }

  .glossary-group h2 {
    font-size: 24px;
  }
}