/* ============================================================
   AI Safety Corner — Glossary Styles
   Covers both the index page and individual term pages.
   Depends on variables defined in ../styles.css
   ============================================================ */

/* ─── Glossary accent ─────────────────────────────────────── */
:root {
  --glossary-accent:       #ff8f6b;
  --glossary-accent-glow:  rgba(255, 143, 107, 0.14);
  --glossary-accent-mid:   rgba(255, 143, 107, 0.22);
  --glossary-accent-soft:  rgba(255, 143, 107, 0.06);
}

/* ─── Shared page shell ───────────────────────────────────── */
.glossary-page,
.term-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-top: 56px;
}


/* ================================================================
   GLOSSARY INDEX PAGE
   ================================================================ */

/* ─── Page hero / header ─────────────────────────────────── */
.glossary-hero {
  position: relative;
  padding: 5rem 2rem 4rem;
  border-bottom: 1px solid rgba(197, 184, 245, 0.06);
  overflow: hidden;
}

.glossary-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--glossary-accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.glossary-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.glossary-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.glossary-eyebrow-glyph {
  color: var(--glossary-accent);
  font-size: 1rem;
}

.glossary-eyebrow-zone {
  color: var(--glossary-accent);
}

.glossary-eyebrow-sep {
  color: var(--ink-muted);
}

.glossary-eyebrow-label {
  color: var(--ink-muted);
}

.glossary-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1.18;
  color: var(--ink-primary);
  margin-bottom: 0.90rem;
}

.glossary-hero-title em {
  display: inline-block;
  font-style: italic;
  color: transparent;
  background: linear-gradient(135deg, #ffa98f 0%, #ffa98f 50%, #f4b4dc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  padding: 0.02em 0.12em 0.12em 0;
}

.glossary-hero-subtitle {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2.1rem;
}

.glossary-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.glossary-stat {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.70rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--glossary-accent);
}

.glossary-stat-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 1;
}

/* ─── Controls bar ─────────────────────────────────────────── */
.glossary-controls {
  position: sticky;
  top: 56px;
  z-index: 50;
  background: rgba(7, 9, 26, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(197, 184, 245, 0.07);
  padding: 1rem 2rem;
}

.glossary-controls-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Search */
.glossary-search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 400px;
}

.glossary-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 0.9rem;
  pointer-events: none;
  font-family: var(--font-mono);
}

.glossary-search {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.4rem;
  background: var(--bg-surface);
  border: 1px solid rgba(197, 184, 245, 0.12);
  border-radius: 2px;
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.glossary-search::placeholder {
  color: var(--ink-muted);
}

.glossary-search:focus {
  border-color: var(--glossary-accent);
  box-shadow: 0 0 0 2px var(--glossary-accent-glow);
}

.glossary-alphabet {
  padding: 0.6rem 2rem;
  border-bottom: 1px solid rgba(197, 184, 245, 0.04);
}

.glossary-alphabet-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.alpha-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 2px;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s;
}

.alpha-btn:not(.is-disabled):hover {
  color: var(--ink-secondary);
  background: rgba(197, 184, 245, 0.06);
}

.alpha-btn.is-active {
  color: var(--glossary-accent);
  background: var(--glossary-accent-soft);
}

.alpha-btn.is-disabled {
  opacity: 0.2;
  cursor: default;
}

/* ─── Glossary body / results ─────────────────────────────── */
.glossary-body {
  padding: 2.5rem 2rem 6rem;
}

.glossary-body-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Results count line */
.glossary-results-line {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.glossary-results-line.is-visible {
  display: flex;
}

.glossary-results-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.glossary-clear-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--glossary-accent);
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.2s;
  padding: 0;
}

.glossary-clear-btn:hover { opacity: 1; }
.glossary-clear-btn:not(.is-visible) { display: none; }

/* ─── Letter group ─────────────────────────────────────────── */
.letter-group {
  margin-bottom: 0.5rem;
}

.letter-group-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  padding-top: 1.75rem;
}

.letter-label {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--ink-muted);
  opacity: 0.5;
  flex-shrink: 0;
  width: 2rem;
}

.letter-rule {
  flex: 1;
  height: 1px;
  background: rgba(197, 184, 245, 0.06);
}

/* ─── Term cards ───────────────────────────────────────────── */
.term-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(197, 184, 245, 0.07);
  border-radius: 3px;
  background: var(--bg-surface);
  text-decoration: none;
  color: inherit;
  margin-bottom: 0.6rem;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.25s var(--ease-out),
    border-color 0.22s,
    background 0.22s;
}

.term-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--glossary-accent);
  opacity: 0;
  transition: opacity 0.2s;
}


.term-card:hover {
  transform: translateX(4px);
  border-color: rgba(255, 143, 107, 0.2);
  background: rgba(255, 143, 107, 0.03);
}

.term-card:hover::before {
  opacity: 1;
}

.term-card-body {
  flex: 1;
  min-width: 0;
}

.term-card-name {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  font-weight: 400;
  color: var(--ink-primary);
  margin-bottom: 0.3rem;
  transition: color 0.2s;
}

.term-card:hover .term-card-name {
  color: var(--glossary-accent);
}

.term-card-oneliner {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

.term-card-arrow {
  position: relative;
  display: inline-block;
  width: 0.48rem;
  height: 0.32rem;
  font-size: 0;
  line-height: 1;
  color: var(--glossary-accent);
  transition: color 0.2s;
}

.term-card-arrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0.34rem;
  border-top: 1px solid currentColor;
  transform: translateY(-50%);
}

.term-card-arrow::after {
  content: "";
  position: absolute;
  right: 0.02rem;
  top: 50%;
  width: 0.16rem;
  height: 0.16rem;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

/* ─── Empty state ─────────────────────────────────────────── */
.glossary-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 5rem 2rem;
  gap: 1rem;
}

.glossary-empty.is-visible {
  display: flex;
}

.empty-glyph {
  font-size: 3rem;
  color: var(--ink-muted);
  opacity: 0.4;
  line-height: 1;
}

.empty-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink-secondary);
}

.empty-body {
  font-size: 0.9rem;
  color: var(--ink-muted);
  max-width: 320px;
  line-height: 1.65;
}

.empty-reset-btn {
  margin-top: 0.5rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255, 143, 107, 0.25);
  border-radius: 2px;
  background: transparent;
  color: var(--glossary-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.empty-reset-btn:hover {
  background: var(--glossary-accent-soft);
  border-color: var(--glossary-accent);
}


/* ================================================================
   GLOSSARY TERM PAGE
   ================================================================ */

.term-page-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

/* ─── Back link ────────────────────────────────────────────── */
.term-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 2.5rem 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--glossary-accent);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.term-back-link::before {
  content: "←";
  display: inline-block;
  flex: 0 0 auto;
  line-height: 1;
  letter-spacing: 0;
}

.term-back-link:hover {
  opacity: 1;
}

/* ─── Term header ────────────────────────────────────────────── */
.term-header {
  margin-top: 0.2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(197, 184, 245, 0.07);
}

.term-header-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.term-header-zone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.term-header-zone .zone-glyph-inline {
  color: var(--glossary-accent);
}

.term-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  line-height: 1.1;
  color: var(--ink-primary);
  margin-bottom: 1.2rem;
}

.term-header-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.term-reading-time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--ink-muted);
  margin-left: 0.35rem;
}

/* ─── One-line definition ───────────────────────────────────── */
.term-definition {
  background: var(--bg-surface);
  border: 1px solid rgba(197, 184, 245, 0.08);
  border-left: 3px solid var(--glossary-accent);
  border-radius: 0 2px 2px 0;
  padding: 1.4rem 1.5rem;
  margin-bottom: 2.5rem;
}

.term-definition-label {
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glossary-accent);
}

.term-definition-text {
  font-size: 0.98rem;
  color: var(--ink-primary);
  line-height: 1.72;
  max-width: none;
}

/* ─── Term body sections ────────────────────────────────────────────── */
.term-body {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.term-section-block {
  padding: 2rem 0;
}

.term-section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glossary-accent);
}

.term-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(197, 184, 245, 0.09);
}

.term-prose {
  font-size: 0.925rem;
  color: var(--ink-secondary);
  line-height: 1.8;
}

.term-prose p + p {
  margin-top: 1em;
}

.term-section-block--matters .term-prose {
  padding-left: 1.25rem;
  border-left: 2px solid rgba(255, 143, 107, 0.25);
}

/* Example / analogy block */
.term-section-block--example .term-prose,
.term-section-block--analogy .term-prose {
  padding: 1.25rem 1.5rem;
  background: rgba(197, 184, 245, 0.03);
  border: 1px solid rgba(197, 184, 245, 0.07);
  border-radius: 3px;
}

/* Common confusion */
.term-section-block--confusion .term-prose {
  padding: 1.4rem 1.5rem;
  background: var(--glossary-accent-soft);
  border: 1px solid var(--glossary-accent-mid);
  border-radius: 4px;
  color: var(--ink-secondary);
}


/* ─── Not found state ─────────────────────────────────────── */
.term-not-found {
  padding: 6rem 2rem;
  text-align: center;
}

.term-not-found-glyph {
  margin-bottom: 1.5rem;
  color: var(--ink-muted);
  font-size: 3rem;
}

.term-not-found-title {
  margin-bottom: 1rem;
  color: var(--ink-secondary);
  font-family: var(--font-display);
  font-size: 2rem;
}

.term-not-found-body {
  margin-bottom: 2rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.term-not-found-link {
  color: var(--glossary-accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.term-not-found-link:hover {
  color: var(--ink-primary);
}


/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .glossary-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
  }
}

@media (max-width: 720px) {
  .glossary-hero {
    padding: 3.5rem 1.25rem 2.5rem;
  }

  .glossary-controls {
    padding: 0.75rem 1.25rem;
  }

  .glossary-controls-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .glossary-search-wrap {
    max-width: 100%;
  }

  .glossary-alphabet {
    padding: 0.5rem 1.25rem;
  }

  .glossary-body {
    padding: 1.75rem 1.25rem 4rem;
  }

  .term-card {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .term-page-inner {
    padding: 0 1.25rem 4rem;
  }
}

/* ─── Pagination accent ────────────────────────────────────── */
.pagination-page.is-active {
  background: var(--glossary-accent-soft);
  color: var(--glossary-accent);
  border-color: var(--glossary-accent-mid);
}

/* ─── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glossary-accent); border-radius: 3px; }
html { scrollbar-color: var(--glossary-accent) transparent; scrollbar-width: thin; }