.collections-page{background:#f5f7fa;min-height:100vh;padding:40px 20px}.collections-layout{max-width:1400px;margin:auto;display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:flex-start}.collections-sidebar{background:#ffffff;border-radius:14px;padding:25px;border:1px solid #eaeaea;box-shadow:0 10px 30px rgba(0,0,0,.05);height:fit-content;position:sticky;top:100px;transition:.3s ease}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.sidebar-header h3{font-size:18px;font-weight:700}.sidebar-header button{background:none;border:none;font-size:18px;cursor:pointer;display:none}.sidebar-section{margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #f0f0f0}.sidebar-section:last-child{border-bottom:none}.sidebar-section h4{font-size:14px;font-weight:600;margin-bottom:15px;color:#222;text-transform:uppercase;letter-spacing:.5px}.sidebar-link{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:#444;text-decoration:none;transition:.2s ease}.sidebar-link:hover{background:#111;color:#fff;transform:translateX(4px)}.see-more{display:inline-block;margin-top:8px;font-size:13px;font-weight:600;color:#0070f3;cursor:pointer}.sidebar-section label{display:flex;align-items:center;gap:10px;font-size:14px;margin-bottom:10px;cursor:pointer;color:#444}.sidebar-section input[type=checkbox]{appearance:none;width:16px;height:16px;border:2px solid #ccc;border-radius:4px;position:relative;transition:.2s}.sidebar-section input[type=checkbox]:checked{background:#111;border-color:#111}.sidebar-section input[type=checkbox]:checked:after{content:"";position:absolute;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;top:1px;left:4px;transform:rotate(45deg)}.clear-btn{width:100%;padding:10px;background:#111;color:#fff;border-radius:8px;border:none;cursor:pointer;font-size:14px;font-weight:600;transition:.2s}.clear-btn:hover{background:#333}.collections-content{width:100%}.collections-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.collections-topbar h2{font-size:22px;font-weight:700;color:#111}.collections-topbar select{padding:8px 14px;border-radius:8px;border:1px solid #ddd;font-size:14px;background:#fff;cursor:pointer;transition:.2s}.collections-topbar select:focus{outline:none;border-color:#111}.mobile-filter-toggle{display:none;margin-bottom:20px;background:#111;color:#fff;padding:10px 15px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;width:fit-content}@media (max-width:992px){.collections-layout{grid-template-columns:1fr}.mobile-filter-toggle{display:inline-block}.collections-sidebar{position:fixed;top:0;left:-100%;height:100%;width:280px;z-index:1000;overflow-y:auto;border-radius:0}.collections-sidebar.open{left:0}.sidebar-header button{display:block}.sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:999}}