/* Lexicon Listing Page Styles */

/* Hero Section */
.lexicon-hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.lexicon-hero .container {
  max-width: 800px;
}

.lexicon-hero .breadcrumb {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.lexicon-hero .breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.lexicon-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.lexicon-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.lexicon-tagline {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.lexicon-hero p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 20px;
}

/* Filter Section */
.lexicon-filters {
  padding: 40px 0 30px;
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.search-box {
  position: relative;
  max-width: 500px;
  margin: 0 auto 25px;
}

.search-box i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: #999;
}

.search-box input {
  width: 100%;
  padding: 14px 45px;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 50px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 79, 70, 229), 0.1);
}

.search-box .clear-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: #999;
  padding: 5px;
  display: none;
}

.search-box .clear-btn:hover {
  color: #666;
}

.search-box input:not(:placeholder-shown) + .clear-btn {
  display: block;
}

/* Filter Tags */
.filter-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.filter-btn {
  background: #f5f5f5;
  border: 2px solid #e0e0e0;
  border-radius: 25px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #555;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.filter-btn .count {
  opacity: 0.7;
  font-weight: 400;
}

.results-count {
  text-align: center;
  color: #666;
  font-size: 0.95rem;
}

/* Terms Grid */
.lexicon-terms {
  padding: 50px 0 80px;
}

.terms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

/* Term Card */
.term-card {
  display: block;
  background: #fff;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid #eee;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.term-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.term-card.hidden {
  display: none;
}

.term-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.term-card:hover h3 {
  color: var(--color-primary);
}

.term-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #666;
  margin: 0 0 12px 0;
}

/* Term Tags */
.term-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.term-tag {
  display: inline-block;
  background: #f0f0f0;
  color: #666;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 15px;
}

/* No Results */
.no-results {
  text-align: center;
  padding: 60px 20px;
}

.no-results i {
  font-size: 4rem;
  color: #ddd;
  margin-bottom: 20px;
}

.no-results p {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 25px;
}

/* Responsive */
@media (max-width: 1024px) {
  .terms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .lexicon-hero {
    padding: 60px 0 40px;
  }

  .lexicon-hero h1 {
    font-size: 2rem;
  }

  .lexicon-filters {
    padding: 30px 0 20px;
  }

  .filter-tags {
    gap: 8px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.85rem;
  }

  .terms-grid {
    grid-template-columns: 1fr;
  }

  .term-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .lexicon-hero h1 {
    font-size: 1.75rem;
  }

  .lexicon-tagline {
    font-size: 1.1rem;
  }

  .search-box input {
    padding: 12px 40px;
    font-size: 0.95rem;
  }

  .filter-btn {
    padding: 5px 12px;
    font-size: 0.8rem;
  }
}

/* Alphabet Navigation (optional enhancement) */
.alphabet-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 20px;
}

.alphabet-nav button {
  width: 32px;
  height: 32px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  color: #555;
  cursor: pointer;
  transition: all 0.15s ease;
}

.alphabet-nav button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.alphabet-nav button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.alphabet-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}