.browse-container{max-width:1400px;margin:0 auto;padding:30px 20px}.browse-header{background:linear-gradient(135deg,#1ab82f,#c0cc11);color:#fff;padding:40px;border-radius:20px;margin-bottom:30px;box-shadow:0 10px 30px #667eea4d}.browse-header h2{font-size:2.5rem;font-weight:700;margin-bottom:10px}.browse-header p{font-size:1.1rem;opacity:.95}.search-filters-container{background:#fff;padding:25px;border-radius:15px;box-shadow:0 4px 15px #00000014;margin-bottom:30px}.search-bar{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;margin-bottom:28px}.search-input{position:relative}.search-input input{width:100%;padding:15px 20px 15px 50px;border:2px solid #e2e8f0;border-radius:12px;font-size:15px;transition:all .3s ease}.search-input input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:20px;color:#94a3b8}.filter-select{min-width:200px;padding:15px 20px;border:2px solid #e2e8f0;border-radius:12px;font-size:15px;background:#fff;cursor:pointer;transition:all .3s ease}.filter-select:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.note-count{margin-bottom:20px;font-size:15px;font-weight:500;color:#64748b}.quick-actions{display:flex;gap:15px;margin:20px 0}.btn-favorites,.btn-history{padding:12px 24px;border-radius:8px;font-weight:600;text-decoration:none;color:#fff;transition:all .3s ease}.btn-favorites{background:linear-gradient(135deg,#ec4899,#ef4444)}.btn-favorites:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ec48994d}.btn-history{background:linear-gradient(135deg,#3b82f6,#2563eb)}.btn-history:hover{transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:25px}.note-card{position:relative;background:#fff;padding:25px;border-radius:16px;border:2px solid transparent;cursor:pointer;box-shadow:0 4px 15px #00000014;transition:all .3s ease;overflow:hidden}.note-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(135deg,#667eea,#764ba2);transform:scaleX(0);transition:transform .3s ease}.note-card:hover{transform:translateY(-8px);border-color:#667eea;box-shadow:0 12px 30px #00000026}.note-card:hover:before{transform:scaleX(1)}.note-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.note-card-icon{width:56px;height:56px;margin-right:15px;border-radius:14px;font-size:28px;color:#2e7d32;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border:2px solid #a5d6a7;display:flex;align-items:center;justify-content:center;flex-shrink:0}.note-card-title h3{font-size:1.3rem;font-weight:700;color:#1e293b;margin-bottom:8px;line-height:1.4}.subject-badge{display:inline-block;padding:6px 14px;border-radius:20px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2)}.file-type-badge{padding:6px 12px;font-size:12px;font-weight:600;color:#475569;background:#f1f5f9;border-radius:8px;text-transform:uppercase}.note-description{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.note-footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding-top:20px;border-top:1px solid #e2e8f0}.note-meta{font-size:13px;color:#64748b}.uploader-name{font-weight:600;color:#475569}.rating-display{display:flex;align-items:center;gap:8px;margin-top:10px}.stars{font-size:18px;color:#fbbf24;letter-spacing:2px}.rating-info{font-size:14px;font-weight:500;color:#64748b}.btn-download{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;cursor:pointer;transition:all .3s ease}.btn-download:hover{transform:scale(1.05);box-shadow:0 5px 15px #667eea66}.btn-favorite{background:none;border:none;font-size:24px;cursor:pointer;padding:5px;line-height:1;transition:transform .3s ease}.btn-favorite:hover{transform:scale(1.2)}.btn-favorite:active{transform:scale(.9)}.empty-state{padding:80px 20px;text-align:center;color:#94a3b8}.empty-state-icon{font-size:80px;margin-bottom:20px;opacity:.5}.empty-state p{font-size:18px;font-weight:500}@media(max-width:768px){.search-bar,.notes-grid{grid-template-columns:1fr}}