:root {
  --primary-color: #1e4e5e;
  --secondary-color: #dcb668;
  --border-radius: 12px;
}
body {
  background-color: #f8f9fa;
}

/* ======== Sidebar Filters ======== */
.filters-sidebar {
  background-color: #fff;
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.filter-group-title {
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  padding-bottom: 5px;
  border-bottom: 2px solid #f0f0f0;
}
.filter-list li {
  margin-bottom: 8px;
}
.filter-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #555;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.filter-list a:hover {
  color: var(--secondary-color);
}
.filter-list a.active {
  color: var(--primary-color);
  font-weight: bold;
}

.count-badge {
  background-color: #e9ecef !important;
  color: #6c757d;
  font-weight: normal;
  font-size: 0.8rem;
}
.filter-list a.active .count-badge {
  background-color: var(--secondary-color) !important;
  color: #fff;
}

/* Price Range Slider */
.form-range::-webkit-slider-thumb {
  background: var(--primary-color);
}
.form-range::-moz-range-thumb {
  background: var(--primary-color);
}

/* Custom Checkbox (matching profile page if exists) */
.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}
.form-check-input {
  border: 1px solid #ccc;
}
.form-check {
  margin-bottom: 10px;
}

/* ======== Top Bar ======== */
.top-bar.card {
  background-color: #fff;
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.top-bar .form-control {
  border-radius: 9px 0 0 9px;
}
.top-bar .small-select {
  font-size: 0.9rem;
}

/* ======== Book Card Styling (Reused) ======== */
/* Assumes .book-card styles from style.css are available */
.book-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}
.book-card .book-cover {
  width: 100%;
  height: auto;
  aspect-ratio: 2/3;
  object-fit: cover;
}
.book-info {
  padding: 15px;
  text-align: center;
  flex-grow: 1;
}
.book-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}
.book-author {
  font-size: 0.8rem;
  color: #777;
}
.price-tag {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  font-size: 0.9rem;
  margin-top: 10px;
}

/* Pagination Styling */
.pagination .page-item .page-link {
  color: var(--primary-color);
}
.pagination .page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}
.pagination .page-item.disabled .page-link {
  color: #aaa;
}
/* ======== Search Results Page Specific Styles ======== */

.search-header {
  background-color: #fff;
  padding: 20px;
  border-radius: var(--border-radius);
  border: 1px solid #eee;
  margin-bottom: 2rem !important;
}

.search-header h2 {
  font-weight: 900;
  color: var(--primary-color);
}
.search-header .search-term {
  color: var(--secondary-color);
}

.empty-state {
  border: none;
  background-color: #fff;
  border-radius: var(--border-radius);
}