.lib-page { padding-block: var(--space-6) var(--space-16); }
.lib-container { max-width: 1280px; margin-inline: auto; padding-inline: var(--container-pad); }

.lib-hero {
  padding-block: clamp(2rem, 4vw, 3rem) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}
.lib-hero h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.lib-hero p {
  font-size: 1.0625rem;
  max-width: 720px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.lib-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  position: sticky;
  top: calc(var(--header-height) + 8px);
  z-index: 20;
  box-shadow: var(--shadow-sm);
}

.lib-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.lib-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.lib-search svg { color: var(--color-text-muted); flex-shrink: 0; }
.lib-search input {
  flex: 1;
  padding: 0.4rem 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: transparent;
  border: none;
  outline: none;
  min-width: 0;
}
.lib-search input::placeholder { color: var(--color-text-muted); }

.lib-preview-input {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.lib-preview-input label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}
.lib-preview-input input {
  flex: 1;
  padding: 0.4rem 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: transparent;
  border: none;
  outline: none;
  min-width: 0;
}

.lib-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.lib-filter {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  min-height: 34px;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  text-decoration: none;
}
.lib-filter:hover { border-color: var(--color-primary); color: var(--color-primary); }
.lib-filter.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.lib-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}
.lib-meta-count { font-weight: 600; color: var(--color-text); }

.lib-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .lib-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .lib-grid { grid-template-columns: repeat(3, 1fr); } }

.lib-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.lib-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.lib-card-specimen {
  padding: var(--space-6) var(--space-5) var(--space-4);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.lib-card-specimen-text {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  color: var(--color-text);
  text-align: center;
  word-break: break-word;
  max-width: 100%;
}

.lib-card-body { padding: var(--space-4) var(--space-5); flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }

.lib-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}
.lib-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  text-decoration: none;
}
.lib-card-name:hover { color: var(--color-primary); }
.lib-card-designer {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.15rem;
}

.lib-card-fav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.lib-card-fav:hover { background: var(--color-primary-light); color: var(--color-primary); }
.lib-card-fav.is-active { color: var(--color-teal); background: var(--color-teal-light); }
.lib-card-fav svg { width: 18px; height: 18px; }

.lib-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.4rem;
}
.lib-card-tag {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.lib-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.lib-card-license {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.lib-card-license svg { width: 12px; height: 12px; }
.lib-card-detail {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.lib-card-detail:hover { text-decoration: underline; }

.lib-empty {
  padding: var(--space-12) var(--space-4);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.lib-skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: lib-shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
  min-height: 1em;
}
@keyframes lib-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.lib-section { margin-top: var(--space-12); }
.lib-section h2 {
  font-size: clamp(1.25rem, 1vw + 1rem, 1.75rem);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.lib-section h3 {
  font-size: 1.0625rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.lib-section p, .lib-section li {
  font-size: 0.975rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}
.lib-section ul, .lib-section ol {
  padding-left: 1.4rem;
  margin-block: var(--space-3);
}
.lib-section li { margin-bottom: 0.4rem; }

.lib-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-6);
}
.lib-category-nav a {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), color var(--transition);
}
.lib-category-nav a:hover,
.lib-category-nav a.is-active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.lib-notice {
  padding: var(--space-4) var(--space-5);
  background: var(--color-teal-light);
  border-left: 3px solid var(--color-teal);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-block: var(--space-4);
}
.lib-notice strong { color: var(--color-teal); }

.lib-compare {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  margin-block: var(--space-4);
}
@media (min-width: 768px) { .lib-compare { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .lib-compare { grid-template-columns: repeat(3, 1fr); } }

.lib-compare-card {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.lib-compare-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}
.lib-compare-sample {
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--color-text);
  padding: var(--space-3);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  text-align: center;
}

.lib-detail-hero {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}
@media (min-width: 900px) { .lib-detail-hero { grid-template-columns: 1fr 1fr; align-items: center; } }

.lib-detail-hero h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.lib-detail-hero .designer {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}
.lib-detail-specimen {
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
  color: var(--color-text);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lib-detail-meta {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-6);
}
.lib-detail-meta-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}
.lib-detail-meta-key { font-weight: 600; color: var(--color-text-secondary); }
.lib-detail-meta-val { color: var(--color-text); word-break: break-word; }
.lib-detail-meta-val a { color: var(--color-primary); }

.lib-detail-preview {
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-block: var(--space-4);
}
.lib-detail-preview-text {
  font-size: 1.75rem;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.lib-detail-weights {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-block: var(--space-4);
}
.lib-detail-weight-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}
.lib-detail-weight-row:last-child { border-bottom: none; }
.lib-detail-weight-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  min-width: 70px;
}
.lib-detail-weight-sample { font-size: 1.5rem; color: var(--color-text); flex: 1; }

@media (max-width: 640px) {
  .lib-card-specimen-text { font-size: 1.5rem; }
  .lib-detail-meta-row { grid-template-columns: 1fr; gap: 0.2rem; }
}