.pn-catalog-header { padding: 8rem 0 4rem; text-align: center; background: linear-gradient(to bottom, var(--surface-color), var(--bg-color)); }
.pn-catalog-header h1 { font-size: 3.5rem; color: var(--primary-accent); margin-bottom: 1rem; letter-spacing: 2px; }
.pn-search-bar { max-width: 500px; margin: 0 auto; position: relative; }
#pn-filter-search { width: 100%; padding: 15px 25px; border-radius: 30px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-color); color: #fff; font-size: 1.1rem; font-family: var(--font-body); outline: none; transition: 0.3s; }
#pn-filter-search:focus { background: rgba(255,255,255,0.1); border-color: var(--primary-accent); }

#pn-collection-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2.5rem; padding: 2rem 0; }
.pn-grid-item { background: var(--surface-color); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; transition: 0.4s; position: relative; display: block; }
.pn-grid-item:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 15px rgba(245,158,11,0.2); }
.pn-grid-item img { width: 100%; height: 280px; object-fit: cover; border-bottom: 1px solid var(--border-color); transition: 0.4s; opacity: 0.85; }
.pn-grid-item:hover img { opacity: 1; }
.pn-item-info { padding: 1.5rem; }
.pn-item-title { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 0.5rem; }
.pn-item-theme { font-size: 0.9rem; color: var(--secondary-accent); text-transform: uppercase; letter-spacing: 1px; }