.App{text-align:center;background-color:#f5f5f5;min-height:100vh}.App-header{max-width:1200px;margin:0 auto;padding:20px}.collections-grid{grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px;margin-top:30px;display:grid}.user-collection{background:#fff;border-radius:10px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.collection-header{justify-content:center;align-items:center;gap:10px;margin-bottom:15px;display:flex}.collection-stats{background:#f8f9fa;border-radius:8px;justify-content:space-around;align-items:center;margin-bottom:20px;padding:15px;display:flex}.stat{flex-direction:column;align-items:center;display:flex}.stat-number{color:#007bff;font-size:24px;font-weight:700}.stat-label{color:#666;text-transform:uppercase;font-size:12px}.refresh-btn{cursor:pointer;background:0 0;border:none;padding:5px;font-size:20px}.series-item{border:1px solid #e0e0e0;border-radius:8px;margin-bottom:10px;overflow:hidden}.series-header{cursor:pointer;background:#f8f9fa;justify-content:space-between;align-items:center;padding:15px;transition:background-color .2s;display:flex}.series-header:hover{background:#e9ecef}.series-header h3{margin:0;font-size:16px}.volume-count{color:#666;align-items:center;gap:10px;display:flex}.arrow{transition:transform .2s}.arrow.expanded{transform:rotate(180deg)}.volumes-list{background:#fff;padding:15px}.volume-numbers{background:#e7f3ff;border-radius:5px;margin-bottom:10px;padding:10px;font-weight:700}.volume-item{border-bottom:1px solid #f0f0f0;justify-content:space-between;align-items:center;padding:8px 0;display:flex}.volume-item:last-child{border-bottom:none}.volume-number{color:#333;font-weight:700}.volume-release{color:#666;font-size:14px}.volume-isbn{color:#999;font-family:monospace;font-size:12px}.loading{color:#666;padding:20px}.error{color:#f44;background:#ffeaea;border-radius:5px;padding:20px}@media (max-width:768px){.collections-grid{grid-template-columns:1fr}.volume-item{flex-direction:column;align-items:flex-start;gap:5px}}.search-container{width:100%;max-width:500px;margin:20px auto}.search-container input{border:1px solid #ddd;border-radius:8px;width:100%;padding:12px 15px;font-size:16px;transition:border-color .3s,box-shadow .3s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.search-container input:focus{border-color:#007bff;outline:none;box-shadow:0 2px 8px rgba(0,123,255,.3)}.no-results{text-align:center;color:#666;background:#f8f9fa;border-radius:8px;margin-top:10px;padding:20px;font-style:italic}.series-cover{object-fit:cover;border-radius:6px;width:60px;height:90px;box-shadow:0 2px 5px rgba(0,0,0,.1)}.series-info{align-items:center;gap:10px;display:flex}.volume-item{border-bottom:1px solid #f0f0f0;align-items:center;gap:15px;padding:8px 0;display:flex}.volume-cover{object-fit:cover;border-radius:5px;width:80px;height:120px;box-shadow:0 2px 5px rgba(0,0,0,.1)}.volume-info{flex-direction:column;gap:4px;display:flex}@media (max-width:768px){.series-cover{width:50px;height:75px}.volume-cover{width:60px;height:90px}}