/* =================== LIBRARY =================== */

/* Hero */
.library-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-radius: var(--radius);
  padding: 28px 32px;
  color: #fff;
  margin-bottom: 28px;
}
.library-hero-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.library-hero-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 20px;
}
.library-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.lib-stat-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 14px 20px;
  text-align: center;
  flex: 1;
  min-width: 100px;
  text-decoration: none;
  color: #fff;
  transition: background var(--transition);
  display: block;
}
.lib-stat-card:hover { background: rgba(255,255,255,0.2); }
.lib-stat-icon { display: block; font-size: 1.4rem; margin-bottom: 6px; }
.lib-stat-num  { display: block; font-size: 1.6rem; font-weight: 800; line-height: 1; }
.lib-stat-label{ display: block; font-size: 0.74rem; margin-top: 4px; opacity: 0.85; }

/* Sub Nav */
.library-subnav {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
}
.library-subnav a {
  flex: 1;
  text-align: center;
  padding: 10px 14px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 1px solid var(--border);
  transition: all var(--transition);
}
.library-subnav a:last-child { border-left: none; }
.library-subnav a:hover { background: var(--bg); color: var(--primary); }
.library-subnav a.active {
  background: var(--primary);
  color: #fff;
}

/* Page Heading */
.page-heading {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-heading-count {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* Library Grid */
.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 12px;
}

/* Library Card */
.lib-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.lib-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.lib-card-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--bg);
  flex-shrink: 0;
}
.lib-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lib-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.lib-cover-placeholder.book    { background: linear-gradient(135deg, #1a5276, #2980b9); }
.lib-cover-placeholder.article { background: linear-gradient(135deg, #1e8449, #27ae60); }
.lib-cover-placeholder.booklet { background: linear-gradient(135deg, #d4ac0d, #f39c12); }
.lib-cover-placeholder.large   { height: 260px; }

.lib-type-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
}
.lib-type-badge.book    { background: var(--primary); }
.lib-type-badge.article { background: var(--green); }
.lib-type-badge.booklet { background: var(--accent); color: #333; }

.lib-card-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.lib-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lib-card-title a { color: var(--text); text-decoration: none; }
.lib-card-title a:hover { color: var(--primary); }
.lib-card-author {
  font-size: 0.78rem;
  color: var(--primary-light);
  margin-bottom: 6px;
}
.lib-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 10px;
}
.lib-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.lib-downloads {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Buttons */
.lib-btn-download {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition);
}
.lib-btn-download:hover { background: var(--primary-dark); color: #fff; }
.lib-btn-download.sm { padding: 4px 10px; font-size: 0.74rem; }
.lib-btn-download.large {
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.lib-btn-view {
  display: inline-block;
  background: var(--bg);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.lib-btn-view:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.lib-no-file {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Articles List */
.articles-list-lib {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 12px;
}
.article-lib-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.article-lib-row:last-child { border-bottom: none; }
.article-lib-row:hover { background: var(--bg); }
.article-lib-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}
.article-lib-body { flex: 1; min-width: 0; }
.article-lib-title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-lib-title a { color: var(--text); text-decoration: none; }
.article-lib-title a:hover { color: var(--primary); }
.article-lib-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.article-lib-meta {
  display: flex;
  gap: 8px;
  font-size: 0.74rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  align-items: center;
}
.article-lib-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* Single Show */
.lib-single { }
.lib-single-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 28px;
}
.lib-single-cover img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.lib-single-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.4;
  margin: 12px 0 16px;
}
.lib-single-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding: 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-right: 3px solid var(--primary);
}
.lib-meta-row {
  display: flex;
  gap: 8px;
  font-size: 0.86rem;
}
.lib-meta-label {
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}
.lib-single-desc h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.lib-single-desc p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--text);
}
.lib-related {
  margin-top: 8px;
}

/* Empty */
.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .library-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .library-grid { grid-template-columns: repeat(2, 1fr); }
  .lib-single-inner { grid-template-columns: 1fr; }
  .lib-single-cover { max-width: 200px; margin: 0 auto; }
  .library-subnav a { font-size: 0.76rem; padding: 8px 6px; }
  .library-stats { flex-direction: column; }
}
@media (max-width: 480px) {
  .library-grid { grid-template-columns: 1fr; }
  .article-lib-row { flex-wrap: wrap; }
  .article-lib-actions { width: 100%; justify-content: flex-end; }
}