mdbook-bib 0.5.3

/* ==========================================================================
   mdbook-bib: Default Bibliography Styles
   Designed to work with mdBook's light and dark themes
   ========================================================================== */

:root {
  --bib-accent: #3b82f6;
  --bib-accent-hover: #2563eb;
  --bib-cite-bg: rgba(59, 130, 246, 0.1);
  --bib-cite-border: rgba(59, 130, 246, 0.3);
  --bib-abstract-bg: rgba(0, 0, 0, 0.03);
  --bib-divider: rgba(0, 0, 0, 0.1);
  --bib-shadow: rgba(0, 0, 0, 0.08);
  --bib-text-secondary: #6b7280;
}

.coal .bib-entry,
.navy .bib-entry,
.ayu .bib-entry {
  --bib-abstract-bg: rgba(255, 255, 255, 0.03);
  --bib-divider: rgba(255, 255, 255, 0.1);
  --bib-shadow: rgba(0, 0, 0, 0.3);
  --bib-text-secondary: #9ca3af;
}

/* Inline citations */
.bib-cite {
  display: inline-flex;
  align-items: center;
  padding: 0.1em 0.45em;
  margin: 0 0.1em;
  font-size: 0.85em;
  font-weight: 500;
  text-decoration: none;
  color: var(--bib-accent);
  background: var(--bib-cite-bg);
  border: 1px solid var(--bib-cite-border);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.bib-cite:hover {
  background: var(--bib-accent);
  color: white;
  border-color: var(--bib-accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--bib-shadow);
  text-decoration: none;
}

/* Bibliography entry */
.bib-entry {
  margin: 1.25rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border-left: 3px solid var(--bib-accent);
  border-radius: 0 8px 8px 0;
  box-shadow: 0 1px 3px var(--bib-shadow);
  transition: all 0.2s ease;
}

.bib-entry:hover {
  box-shadow: 0 4px 12px var(--bib-shadow);
  transform: translateX(2px);
}

.bib-entry details { margin: 0; }
.bib-entry summary { cursor: pointer; list-style: none; display: block; }
.bib-entry summary::-webkit-details-marker { display: none; }

.bib-key {
  display: inline-block;
  padding: 0.2em 0.6em;
  margin-right: 0.75rem;
  font-size: 0.8em;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  color: var(--bib-accent);
  background: var(--bib-cite-bg);
  border: 1px solid var(--bib-cite-border);
  border-radius: 4px;
}

.bib-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  margin-right: 0.5rem;
  font-size: 0.8em;
  font-weight: 600;
  color: white;
  background: var(--bib-accent);
  border-radius: 50%;
}

.bib-title {
  font-size: 1.1em;
  font-weight: 600;
  font-style: normal;
  line-height: 1.4;
  color: var(--fg);
  display: block;
  margin-top: 0.5rem;
}

.bib-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed var(--bib-accent);
}

.bib-title a:hover {
  color: var(--bib-accent);
  border-bottom-style: solid;
}

.bib-title a::after { content: " ↗"; font-size: 0.75em; opacity: 0.6; }

.bib-meta {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.9em;
  color: var(--bib-text-secondary);
}

.bib-meta-item { display: inline-flex; align-items: center; }
.bib-authors { font-style: italic; }

.bib-expand-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
  padding: 0.2em 0.5em;
  font-size: 0.75em;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bib-text-secondary);
  opacity: 0.7;
}

.bib-entry:hover .bib-expand-hint { opacity: 1; }
.bib-expand-arrow { transition: transform 0.3s ease; }
details[open] .bib-expand-arrow { transform: rotate(180deg); }

.bib-abstract {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bib-divider);
  animation: bib-fade-in 0.3s ease;
}

@keyframes bib-fade-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.bib-abstract-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.85em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bib-text-secondary);
}

.bib-abstract-content {
  padding: 1rem;
  font-size: 0.95em;
  line-height: 1.7;
  background: var(--bib-abstract-bg);
  border-radius: 6px;
  text-align: justify;
}

.bib-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35em 0.7em;
  margin-left: 0.75rem;
  font-size: 0.75em;
  font-weight: 500;
  color: var(--bib-text-secondary);
  background: transparent;
  border: 1px solid var(--bib-divider);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.bib-copy-btn:hover {
  color: var(--bib-accent);
  border-color: var(--bib-accent);
  background: var(--bib-cite-bg);
}

/* Chapter references section */
.bib-chapter-separator {
  height: 0;
  margin: 3rem 0 1.5rem 0;
  border: none;
  border-top: 2px solid var(--bib-divider);
}

.bib-chapter-refs-header {
  margin: 0 0 1.25rem 0;
  padding: 0;
  font-size: 1.4em;
  font-weight: 600;
  color: var(--bib-text-secondary);
}

@media (max-width: 600px) {
  .bib-entry { padding: 1rem; margin: 1rem 0; }
  .bib-meta { flex-direction: column; gap: 0.35rem; }
  .bib-expand-hint { display: none; }
  .bib-title { font-size: 1em; }
}

@media print {
  .bib-entry { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  .bib-copy-btn, .bib-expand-hint { display: none; }
}