/* Library Layout */
.brpro-library-wrapper {
  padding: 30px 0 60px;
}

.brpro-library-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}

/* Sidebar Filter */
.brpro-library-filter {
  padding: 24px;
  position: sticky;
  top: 80px;
}

.filter-header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--brpro-border);
}

.filter-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--brpro-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-header h3::before {
  content: "";
  display: block;
  width: 4px;
  height: 16px;
  background: var(--brpro-accent);
  border-radius: 2px;
}

.filter-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-list li a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--brpro-muted);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.filter-list li a:hover {
  background: var(--brpro-bg);
  color: var(--brpro-text);
}

.filter-list li.is-active a {
  background: var(--brpro-accent-10);
  color: var(--brpro-accent);
  font-weight: 600;
  border-color: var(--brpro-accent-20);
}

/* Main Content */
.brpro-library-content .brpro-panel {
  padding: 24px;
}

/* Sort Tabs */
.brpro-library-sort {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--brpro-border);
  gap: 16px;
}

.sort-label {
  font-size: 14px;
  color: var(--brpro-muted);
  font-weight: 500;
}

.sort-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.sort-tab {
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--brpro-text);
  text-decoration: none;
  background: var(--brpro-bg);
  border: 1px solid var(--brpro-border);
  transition: all 0.2s;
}

.sort-tab:hover {
  border-color: var(--brpro-accent);
  color: var(--brpro-accent);
}

.sort-tab.is-active {
  background: var(--brpro-accent);
  color: white;
  border-color: var(--brpro-accent);
  box-shadow: 0 4px 12px rgba(232, 93, 4, 0.2);
}

/* Book Grid */
.brpro-library-grid .nlist {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
}

.brpro-library-grid .nlist li {
  width: 100%;
  margin: 0;
  padding: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .brpro-library-layout {
    grid-template-columns: 200px 1fr;
  }
  
  .brpro-library-grid .nlist {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .brpro-library-layout {
    grid-template-columns: 1fr;
  }

  .brpro-library-filter {
    position: static;
    padding: 16px;
  }

  .filter-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .filter-list li a {
    padding: 6px 12px;
    font-size: 14px;
    background: var(--brpro-bg);
    border: 1px solid var(--brpro-border);
  }
  
  .filter-list li.is-active a {
    background: var(--brpro-accent);
    color: white;
  }

  .brpro-library-content .brpro-panel {
    padding: 16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .brpro-library-grid .nlist {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .brpro-library-sort {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}