/* Shared glossary prototypes — Applied Agentic */
:root {
  --bg: #050810;
  --bg-elevated: #0a1220;
  --bg-panel: #0d1420;
  --text: #e8f4ff;
  --text-muted: #8aaabb;
  --text-dim: #5a7a99;
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.15);
  --accent-glow: rgba(0, 229, 255, 0.35);
  --border: rgba(0, 229, 255, 0.12);
  --max: 1120px;
  --font: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 229, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(0, 100, 255, 0.05), transparent);
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

.glossary-shell {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.glossary-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.glossary-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
}

.glossary-breadcrumb-trail {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.glossary-breadcrumb-trail li {
  display: inline-flex;
  align-items: center;
}

.glossary-breadcrumb-trail li:not(:last-child)::after {
  content: "→";
  margin-left: 0.35rem;
  color: var(--text-dim);
  font-size: 0.7rem;
}

.glossary-breadcrumb-trail a {
  color: var(--text-muted);
  text-decoration: none;
}

.glossary-breadcrumb-trail a:hover {
  color: var(--accent);
}

.glossary-breadcrumb-trail [aria-current="page"] {
  color: var(--accent);
  font-weight: 500;
}

.glossary-breadcrumb-sep {
  color: var(--text-dim);
  user-select: none;
}

.glossary-breadcrumb-back {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.glossary-breadcrumb-back:hover {
  color: var(--accent);
}

.glossary-brand h1 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.glossary-brand .sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.glossary-proto-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.glossary-proto-nav a {
  font-size: 0.72rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--bg-panel);
}

.glossary-proto-nav a:hover,
.glossary-proto-nav a.is-active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.glossary-proto-nav .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-right: 0.25rem;
}

.glossary-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

/* Deck / carousel: grouped topic select + appendix; mobile adds optional theme drawer below cards */
.glossary-study-layout {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.glossary-study-filter-bar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.glossary-study-filter-compact {
  display: flex;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.glossary-section-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 140px;
  min-width: 0;
}

.glossary-section-select-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  flex-shrink: 0;
}

.glossary-section-select {
  flex: 1;
  min-width: 0;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.85rem;
}

.glossary-section-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.glossary-appendix-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.glossary-appendix-toggle--compact {
  font-size: 0.8rem;
  flex: 1 1 12rem;
  min-width: 0;
}

.glossary-study-pills-drawer {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-panel);
  overflow: hidden;
}

.glossary-study-pills-drawer summary {
  list-style: none;
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  user-select: none;
}

.glossary-study-pills-drawer summary::-webkit-details-marker {
  display: none;
}

.glossary-study-pills-drawer summary::after {
  content: "▾";
  font-size: 0.7rem;
  color: var(--text-dim);
  transition: transform 0.15s ease;
}

.glossary-study-pills-drawer[open] summary::after {
  transform: rotate(180deg);
}

.glossary-drawer-active {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-align: right;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.glossary-drawer-body {
  max-height: 50vh;
  overflow-y: auto;
}

.glossary-drawer-body > .glossary-pill--all {
  margin: 0.65rem 0.75rem 0.35rem;
}

.glossary-theme-group {
  border-top: 1px solid var(--border);
}

.glossary-theme-group summary {
  list-style: none;
  cursor: pointer;
  padding: 0.55rem 0.85rem;
  font-size: 0.78rem;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  user-select: none;
}

.glossary-theme-group summary::-webkit-details-marker {
  display: none;
}

.glossary-theme-group summary::after {
  content: "▸";
  font-size: 0.65rem;
  color: var(--text-dim);
  transition: transform 0.15s ease;
}

.glossary-theme-group[open] summary::after {
  transform: rotate(90deg);
}

.glossary-theme-count {
  font-size: 0.68rem;
  font-family: var(--mono);
  color: var(--text-dim);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.glossary-pills--nested {
  padding: 0.35rem 0.75rem 0.65rem;
  margin-bottom: 0;
}

.glossary-study-filter-bottom {
  display: none;
}

@media (max-width: 767px) {
  .glossary-appendix-toggle--compact {
    font-size: 0.68rem;
    flex: 1 1 100%;
  }

  .glossary-study-filter-bottom {
    display: block;
  }

  .glossary-study-filter-bar {
    order: 0;
    margin-bottom: 0;
  }

  .glossary-study-stage {
    order: 1;
  }

  .glossary-study-filter-bottom {
    order: 2;
  }
}

@media (min-width: 768px) {
  .glossary-study-filter-bottom {
    display: none;
  }

  .glossary-section-select {
    max-width: 28rem;
  }
}

.glossary-search {
  flex: 1 1 200px;
  min-width: 180px;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
}

.glossary-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.glossary-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.glossary-pill {
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
}

.glossary-pill:hover,
.glossary-pill.is-active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.glossary-pill.appendix-only {
  border-style: dashed;
}

.glossary-status {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.glossary-tag {
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  margin-right: 0.25rem;
}

.glossary-loading,
.glossary-error {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.glossary-error { color: #ff8a8a; }

/* —— Hub —— */
.glossary-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.glossary-hub-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-panel);
  transition: border-color 0.2s, transform 0.2s;
}

.glossary-hub-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.glossary-hub-card h2 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.glossary-hub-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.glossary-hub-card .badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.glossary-hub-intro {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: 2rem;
}

.glossary-hub-path {
  padding: 1.25rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-panel);
  margin-bottom: 0;
}

.glossary-hub-path--style {
  padding: 0.85rem 1rem;
  border-color: var(--border);
  background: color-mix(in srgb, var(--bg-panel) 88%, transparent);
}

.glossary-hub-path--style h2 {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.glossary-hub-path--style .glossary-hub-style-hint {
  margin-bottom: 0.45rem;
  font-size: 0.8rem;
}

.glossary-hub-path--style .glossary-hub-pick-one {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}

.glossary-hub-path--style .glossary-hub-pick-arrow {
  color: var(--text-dim);
}

.glossary-hub-path--style .glossary-style-picker--pills {
  margin-bottom: 0;
}

.glossary-hub-path--style .glossary-style-option--pill {
  padding: 0.42rem 0.85rem;
  min-width: 0;
}

.glossary-hub-path--style .glossary-style-option--pill .glossary-style-option-label {
  font-size: 0.82rem;
}

.glossary-hub-path--style .glossary-style-option.is-active {
  box-shadow: none;
}

.glossary-shell.is-awaiting-style .glossary-hub-path--terms,
.glossary-shell.is-awaiting-style .glossary-hub-path--topics {
  opacity: 0.62;
  pointer-events: none;
  user-select: none;
}

.glossary-hub-style-hint {
  margin: 0 0 0.65rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.glossary-hub-style-callout {
  display: none;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent-dim) 70%, transparent);
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.4;
}

.glossary-hub-style-callout.is-visible {
  display: flex;
  animation: glossary-callout-pulse 2.2s ease-in-out infinite;
}

.glossary-hub-required-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  background: var(--accent);
  color: var(--bg);
  flex-shrink: 0;
}

.glossary-hub-path--style.is-awaiting-style {
  animation: glossary-style-section-glow 2.4s ease-in-out infinite;
}

.glossary-hub-path--style.is-attention {
  animation: glossary-style-section-shake 0.45s ease-in-out;
}

.glossary-style-picker.is-cycling .glossary-style-option--pill {
  animation: glossary-style-cycle 3.2s ease-in-out infinite;
}

.glossary-style-picker.is-cycling .glossary-style-option:nth-child(1) {
  animation-delay: 0s;
}

.glossary-style-picker.is-cycling .glossary-style-option:nth-child(2) {
  animation-delay: 0.8s;
}

.glossary-style-picker.is-cycling .glossary-style-option:nth-child(3) {
  animation-delay: 1.6s;
}

.glossary-style-picker.is-cycling .glossary-style-option:nth-child(4) {
  animation-delay: 2.4s;
}

@keyframes glossary-style-cycle {
  0%,
  18%,
  100% {
    border-color: var(--border);
    background: var(--bg);
    box-shadow: none;
    transform: scale(1);
    color: var(--text-muted);
  }
  6%,
  12% {
    border-color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 16px var(--accent-glow);
    transform: scale(1.04);
    color: var(--text);
  }
}

@keyframes glossary-callout-pulse {
  0%,
  100% {
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  }
  50% {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
  }
}

@keyframes glossary-style-section-glow {
  0%,
  100% {
    box-shadow: none;
  }
  50% {
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent), 0 0 24px var(--accent-glow);
  }
}

@keyframes glossary-style-section-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.glossary-hub-link--gated {
  cursor: not-allowed;
}

.glossary-btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.35);
}

.glossary-hub-actions .glossary-btn.is-disabled {
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .glossary-style-picker.is-cycling .glossary-style-option--pill,
  .glossary-hub-style-callout.is-visible,
  .glossary-hub-path--style.is-awaiting-style {
    animation: none;
  }
}

.glossary-hub-path h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.glossary-hub-path-lead {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 0.85rem;
}

.glossary-hub-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.35rem 0;
  color: var(--text-muted);
}

.glossary-hub-divider-line {
  flex: 1;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--accent) 50%, var(--border)) 20%,
    color-mix(in srgb, var(--accent) 50%, var(--border)) 80%,
    transparent 100%
  );
}

.glossary-hub-divider-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--mono);
  flex-shrink: 0;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--border));
  background: color-mix(in srgb, var(--accent-dim) 55%, var(--bg-panel));
}

.glossary-hub-pick-one {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.75rem;
}

.glossary-hub-pick-arrow {
  color: var(--accent);
  margin-left: 0.15rem;
}

.glossary-hub-block {
  margin-bottom: 2rem;
}

.glossary-hub-block h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.glossary-style-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.glossary-style-picker--pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.glossary-style-option {
  text-align: left;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.glossary-style-option--pill {
  text-align: center;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  min-width: 5.5rem;
}

.glossary-style-option--pill .glossary-style-option-label {
  font-size: 0.88rem;
}

.glossary-style-option:hover,
.glossary-style-option.is-active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.glossary-style-option.is-active {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}

.glossary-style-option-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
}

.glossary-style-option-hint {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

.glossary-hub-actions {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.glossary-topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.glossary-topic-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-panel);
  color: var(--text-muted);
  transition: border-color 0.2s, transform 0.15s;
}

.glossary-topic-card:hover,
.glossary-topic-card.is-highlight {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
}

.glossary-topic-count {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  min-width: 1.5rem;
}

.glossary-topic-title {
  font-size: 0.82rem;
  line-height: 1.35;
}

.glossary-topic-card--appendix {
  border-style: dashed;
}

.glossary-topic-appendix-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.glossary-quick-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.glossary-hub-path--terms .glossary-quick-terms a {
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
}

.glossary-quick-terms a {
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.glossary-quick-terms a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.glossary-hub-path--term-input {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border-color: var(--border);
  background: color-mix(in srgb, var(--bg-panel) 92%, transparent);
}

.glossary-hub-term-input .glossary-lookup-head {
  margin-bottom: 0.5rem;
}

.glossary-hub-term-input .glossary-lookup-row--compact {
  display: block;
}

.glossary-hub-term-input .glossary-lookup-field {
  width: 100%;
}

.glossary-hub-term-input .glossary-lookup-match-hint {
  margin: 0 0 0.5rem;
}

.glossary-hub-path--keyword,
.glossary-hub-path--lookup {
  margin-top: 1.25rem;
}

.glossary-hub-path--keyword h2 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.07em;
  margin-bottom: 0.7rem;
}

.glossary-hub-path--keyword.has-keyword {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent-dim) 30%, var(--bg-panel));
}

.glossary-hub-path--keyword.is-openable {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--border));
  box-shadow: 0 2px 22px color-mix(in srgb, var(--accent) 14%, transparent);
}

.glossary-keyword-panel {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.glossary-keyword-empty {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.45;
}

.glossary-keyword-open {
  display: block;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent-dim) 55%, var(--bg-panel));
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

a.glossary-keyword-open:hover,
a.glossary-keyword-open:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 18%, transparent);
  outline: none;
}

.glossary-keyword-open--static {
  cursor: default;
}

.glossary-keyword-open-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.6rem;
  margin-bottom: 0.55rem;
}

.glossary-keyword-open-row:last-of-type {
  margin-bottom: 0.65rem;
}

.glossary-keyword-open-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  flex: 0 0 auto;
}

.glossary-keyword-open-label::after {
  content: ":";
}

.glossary-keyword-open-value {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.35;
}

.glossary-keyword-style-default {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.glossary-keyword-open-action {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

a.glossary-keyword-open .glossary-keyword-open-action {
  color: var(--accent);
}

.glossary-keyword-open-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.glossary-hub-path--lookup.is-ready-to-open {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}

.glossary-hub-path--lookup.is-ready-to-open .glossary-lookup-go.is-known {
  font-weight: 600;
}

.glossary-lookup-banner {
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.glossary-lookup-selected {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
}

.glossary-lookup-selected-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.glossary-lookup-selected strong {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.05rem;
}

.glossary-shell.has-lookup-context .glossary-hub-divider:first-of-type {
  margin-top: 1.5rem;
}

.glossary-quick-terms a.is-selected-term {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* —— Deck (flip) —— */
.glossary-deck-stage {
  perspective: 1200px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0 1.5rem;
}

.glossary-flip-wrap {
  width: min(100%, 520px);
  height: 280px;
  position: relative;
  cursor: pointer;
}

.glossary-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.glossary-flip-inner.is-flipped {
  transform: rotateY(180deg);
}

.glossary-flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-panel);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 30px var(--accent-dim);
}

.glossary-flip-face::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), transparent 50%);
}

.glossary-flip-back {
  transform: rotateY(180deg);
  overflow-y: auto;
}

.glossary-flip-term {
  font-size: clamp(1.25rem, 4vw, 1.65rem);
  font-weight: 600;
  text-align: center;
}

.glossary-flip-section {
  font-size: 0.72rem;
  color: var(--accent);
  text-align: center;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.glossary-flip-def {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.glossary-flip-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.75rem;
}

.glossary-deck-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.glossary-btn {
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
}

.glossary-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.glossary-btn-primary {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* —— Carousel (spotlight) —— */
.glossary-carousel-stage {
  position: relative;
  min-height: 380px;
  padding: 2rem 0 1rem;
  overflow: hidden;
}

.glossary-carousel-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 300px;
  touch-action: pan-y;
}

.glossary-carousel-card {
  flex: 0 0 auto;
  width: clamp(200px, 28vw, 280px);
  padding: 1.25rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  opacity: 0.45;
  transform: scale(0.82);
  filter: blur(1px);
  transition: opacity 0.4s, transform 0.45s cubic-bezier(0.3, 0.7, 0.2, 1), filter 0.4s;
  cursor: pointer;
  max-height: 280px;
  overflow: hidden;
}

.glossary-carousel-card.is-center {
  opacity: 1;
  transform: scale(1);
  filter: none;
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow), 0 16px 48px rgba(0, 0, 0, 0.5);
  z-index: 2;
  width: clamp(260px, 36vw, 360px);
  max-height: none;
}

.glossary-carousel-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.glossary-carousel-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.glossary-carousel-card.is-center p {
  -webkit-line-clamp: 12;
}

.glossary-carousel-detail {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 4rem;
}

.glossary-carousel-detail strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.35rem;
}

/* —— Grid —— */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.glossary-grid-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-panel);
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.glossary-grid-card[open] {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--accent-dim) 82%, var(--bg-elevated));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent),
    0 6px 22px color-mix(in srgb, var(--accent) 14%, transparent);
}

.glossary-grid-card.is-keyword-focus[open] {
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--accent) 70%, transparent),
    0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent),
    0 8px 28px color-mix(in srgb, var(--accent) 20%, transparent);
}

.glossary-grid-card summary {
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  transition: background 0.2s, color 0.2s;
}

.glossary-grid-card[open] summary {
  color: var(--text);
  background: color-mix(in srgb, var(--accent-dim) 55%, transparent);
}

.glossary-grid-card summary::-webkit-details-marker { display: none; }

.glossary-grid-card summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-family: var(--mono);
}

.glossary-grid-card[open] summary::after { content: "−"; }

.glossary-grid-card .body {
  padding: 0 1rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.glossary-grid-card[open] .body {
  color: var(--text);
  border-top-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.glossary-grid-section--terms {
  margin-top: 0.5rem;
}

.glossary-grid-divider {
  margin: 2.5rem 0 2rem;
}

.glossary-grid-section--reference {
  margin-top: 0;
}

.glossary-ref-tables {
  margin-top: 0;
}

.glossary-ref-tables h2 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.glossary-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.glossary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.glossary-table th,
.glossary-table td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.glossary-table th {
  background: var(--bg-elevated);
  color: var(--accent);
  font-weight: 500;
}

.glossary-table tr:last-child td { border-bottom: none; }

/* —— Scroll / chapter —— */
.glossary-scroll-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 768px) {
  .glossary-scroll-layout {
    grid-template-columns: 1fr;
  }
  .glossary-scroll-toc {
    position: static !important;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }
}

.glossary-scroll-toc {
  position: sticky;
  top: 1rem;
  font-size: 0.75rem;
}

.glossary-scroll-toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--text-muted);
}

.glossary-scroll-toc a:hover { color: var(--accent); }

.glossary-chapter {
  margin-bottom: 2rem;
  scroll-margin-top: 1rem;
}

.glossary-chapter h2 {
  font-size: 1.05rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.glossary-chapter details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.4rem;
  background: var(--bg-panel);
}

.glossary-chapter summary {
  padding: 0.65rem 0.85rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.glossary-chapter details[open] summary {
  border-bottom: 1px solid var(--border);
}

.glossary-chapter .term-body {
  padding: 0.75rem 0.85rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.glossary-appendix-toggle {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.glossary-appendix-toggle input {
  margin-right: 0.35rem;
  accent-color: var(--accent);
}