.book-card{background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:all .2s}.book-card:active{transform:scale(.97);box-shadow:var(--shadow-lg)}.book-cover{position:relative;width:100%;padding-top:150%;background:var(--border);overflow:hidden}.book-cover img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain}.book-status{position:absolute;top:8px;right:8px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 4px 12px #0006,0 0 0 2px #ffffff4d;border:2px solid rgba(255,255,255,.5)}.book-status.read{background:#10b981f2;color:#fff}.book-status.unread{background:#6b7280f2;color:#fff}.book-info{padding:12px}.book-title{font-size:14px;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.3}.book-author{font-size:12px;color:var(--text-light);margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-series{font-size:11px;color:var(--primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-style:italic;margin-bottom:2px}.book-unavailable{font-size:11px;color:#ef4444;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-weight:600}@media (max-width: 768px){.book-title{font-size:13px}.book-author{font-size:11px}.book-series,.book-unavailable{font-size:10px}.book-status{width:32px;height:32px;font-size:18px}}.book-list{padding-bottom:24px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.stat-card{background:var(--card);padding:16px;border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:4px}.stat-value{font-size:28px;font-weight:700;color:var(--primary)}.stat-label{font-size:12px;color:var(--text-light);text-align:center}.filters-container{background:var(--card);padding:16px;border-radius:12px;box-shadow:var(--shadow);margin-bottom:20px;display:flex;flex-direction:column;gap:16px}.search-row{position:relative;display:flex;align-items:center}.search-input{width:100%;padding:12px 40px 12px 16px;font-size:15px;border:2px solid var(--border);border-radius:10px;background:#fff;transition:all .2s}.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.clear-search-btn{position:absolute;right:12px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--border);color:var(--text);font-size:14px;transition:all .2s;border:none;cursor:pointer}.clear-search-btn:hover{background:var(--text-light);color:#fff}.clear-search-btn:active{transform:scale(.9)}.filters-row{display:flex;align-items:center;gap:12px}.filter-label{font-size:14px;font-weight:600;color:var(--text);min-width:70px}.filters{display:flex;gap:8px;flex:1;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}.filter-btn{padding:10px 20px;border-radius:20px;background:var(--card);color:var(--text);font-size:14px;font-weight:500;border:2px solid var(--border);white-space:nowrap;transition:all .2s}.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.filter-btn:active{transform:scale(.95)}.series-filter-select{flex:1;padding:10px 12px;border:2px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.series-filter-select:focus{outline:none;border-color:var(--primary)}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,220px));gap:16px;justify-content:start}.empty-icon{font-size:64px;margin-bottom:16px}.empty-text{font-size:16px;color:var(--text-light);margin-bottom:24px}.btn-primary{background:var(--primary);color:#fff;padding:14px 28px;border-radius:12px;font-size:16px;font-weight:600;box-shadow:var(--shadow);transition:all .2s}.btn-primary:active{transform:scale(.97);background:var(--primary-dark)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:16px}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@media (max-width: 768px){.book-list{padding:0 12px 24px}.stats{gap:8px}.stat-card{padding:12px 8px}.stat-value{font-size:20px}.stat-label{font-size:10px;line-height:1.2}.filters-container{padding:12px}.search-input{font-size:14px;padding:10px 36px 10px 12px}.filters-row{flex-direction:column;align-items:flex-start;gap:8px}.filter-label{min-width:unset;font-size:13px}.filters{width:100%}.filter-btn{padding:8px 16px;font-size:13px}.series-filter-select{width:100%;font-size:13px;padding:8px 10px}.books-grid{grid-template-columns:1fr;gap:16px;max-width:300px;margin:0 auto}}.book-detail{max-width:800px;margin:0 auto}.book-detail-cover{width:100%;max-width:400px;margin:0 auto 24px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}.book-detail-cover img{width:100%;height:auto;display:block}.book-detail-content{background:var(--card);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.book-detail-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}.book-detail-title{font-size:28px;font-weight:700;margin-bottom:8px;line-height:1.2}.book-detail-author{font-size:18px;color:var(--text-light);margin-bottom:4px}.book-detail-series{font-size:16px;color:var(--primary);font-style:italic;margin-bottom:4px}.status-badges-group{display:flex;flex-direction:column;gap:8px;align-items:flex-end}.status-badge{padding:8px 16px;border-radius:20px;font-size:14px;font-weight:600;white-space:nowrap}.status-badge.read{background:#d1fae5;color:#065f46}.status-badge.unread{background:#e5e7eb;color:#374151}.status-badge.availability.available{background:#d1fae5;color:#065f46}.status-badge.availability.unavailable{background:#fee2e2;color:#991b1b}.book-detail-actions{display:flex;flex-direction:column;gap:12px}.btn-status{background:var(--primary);color:#fff;padding:16px;border-radius:12px;font-size:16px;font-weight:600;transition:all .2s}.btn-status:active{transform:scale(.98);background:var(--primary-dark)}.btn-availability{background:#10b981;color:#fff;padding:16px;border-radius:12px;font-size:16px;font-weight:600;transition:all .2s}.btn-availability:active{transform:scale(.98);background:#059669}.btn-reading{background:#10b981;color:#fff;padding:16px;border-radius:12px;font-size:16px;font-weight:600;transition:all .2s}.btn-reading:active{transform:scale(.98);background:#059669}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:16px;padding:24px;max-width:400px;width:100%;box-shadow:0 20px 60px #0000004d}.modal-title{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--text)}.modal-book-title{font-size:16px;color:var(--text-light);margin-bottom:20px;font-style:italic}.modal-form-group{margin-bottom:20px}.modal-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}.modal-input{width:100%;padding:12px 16px;font-size:16px;border:2px solid var(--border);border-radius:8px;background:var(--bg)}.modal-input:focus{outline:none;border-color:var(--primary)}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modal-btn-cancel,.modal-btn-submit{padding:14px;border-radius:8px;font-size:16px;font-weight:600;transition:all .2s}.modal-btn-cancel{background:var(--bg);color:var(--text);border:2px solid var(--border)}.modal-btn-cancel:active{transform:scale(.98);background:var(--border)}.modal-btn-submit{background:var(--primary);color:#fff}.modal-btn-submit:active{transform:scale(.98);background:var(--primary-dark)}.action-group{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn-edit,.btn-delete{padding:14px;border-radius:12px;font-size:15px;font-weight:500;transition:all .2s}.btn-edit{background:var(--bg);color:var(--text);border:2px solid var(--border)}.btn-edit:active{transform:scale(.98);background:var(--border)}.btn-delete{background:#fee2e2;color:#991b1b;border:2px solid #fecaca}.btn-delete:active{transform:scale(.98);background:#fecaca}@media (max-width: 768px){.book-detail-content{padding:20px}.book-detail-title{font-size:24px}.book-detail-author{font-size:16px}.book-detail-series{font-size:14px}.status-badges-group{align-items:stretch}.status-badge{font-size:12px;padding:6px 12px}}.book-form-container{max-width:600px;margin:0 auto}.form-title{font-size:28px;font-weight:700;margin-bottom:24px;text-align:center}.book-form{background:var(--card);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}.form-input,.form-select{width:100%;padding:12px 16px;font-size:16px;border-radius:8px;background:var(--bg)}.form-input:focus,.form-select:focus{background:#fff}.toggle-container{display:flex;align-items:center;gap:16px;cursor:pointer;-webkit-user-select:none;user-select:none;padding:12px 16px;background:var(--bg);border-radius:12px;transition:all .2s;border:2px solid var(--border)}.toggle-container:hover{border-color:var(--primary);background:#fff}.toggle-input{position:absolute;opacity:0;pointer-events:none}.toggle-slider{position:relative;width:52px;height:26px;background:#e5e7eb;border-radius:26px;transition:all .3s;flex-shrink:0;border:2px solid #d1d5db}.toggle-slider:before{content:"";position:absolute;top:1px;left:1px;width:20px;height:20px;background:#fff;border-radius:50%;transition:all .3s ease;box-shadow:0 2px 6px #00000040}.toggle-input:checked+.toggle-slider{background:#10b981;border-color:#059669}.toggle-input:checked+.toggle-slider:before{transform:translate(26px)}.toggle-label{font-size:16px;font-weight:600;color:var(--text);flex:1;transition:color .2s}.toggle-container:hover .toggle-label{color:var(--primary)}.photo-upload{display:flex;flex-direction:column;align-items:center;gap:12px}.photo-preview{width:200px;height:300px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}.photo-preview img{width:100%;height:100%;object-fit:cover}.photo-mode-toggle{display:flex;gap:8px;width:100%;max-width:300px}.mode-btn{flex:1;padding:10px 16px;border:2px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.mode-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.mode-btn:active{transform:scale(.98)}.photo-upload-btn{display:inline-block;padding:12px 24px;background:var(--bg);color:var(--text);border:2px solid var(--border);border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}.photo-upload-btn:active{transform:scale(.98);background:var(--border)}.photo-input{display:none}.photo-url-input-group{width:100%;max-width:300px}.photo-url-input-group .form-input{width:100%}.form-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.btn-cancel,.btn-submit{padding:14px;border-radius:8px;font-size:16px;font-weight:600;transition:all .2s}.btn-cancel{background:var(--bg);color:var(--text);border:2px solid var(--border)}.btn-cancel:active{transform:scale(.98);background:var(--border)}.btn-submit{background:var(--primary);color:#fff}.btn-submit:active{transform:scale(.98);background:var(--primary-dark)}.btn-submit:disabled,.btn-cancel:disabled{opacity:.5;cursor:not-allowed}.author-select-group{display:flex;gap:10px;align-items:center}.author-select-group .form-select{flex:1}.btn-new-author{padding:12px 20px;background-color:#27ae60;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-new-author:hover{background-color:#229954}.btn-new-author:active{transform:scale(.98)}.new-author-input-group{display:flex;gap:10px;align-items:center}.new-author-input-group .form-input{flex:1}.btn-add-author{padding:12px 20px;background-color:#27ae60;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-add-author:hover{background-color:#229954}.btn-add-author:active{transform:scale(.98)}.btn-cancel-author{padding:12px 20px;background-color:#95a5a6;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-cancel-author:hover{background-color:#7f8c8d}.btn-cancel-author:active{transform:scale(.98)}@media (max-width: 768px){.book-form{padding:20px}.form-title{font-size:24px}.photo-preview{width:160px;height:240px}.author-select-group,.new-author-input-group{flex-direction:column}.author-select-group .form-select,.new-author-input-group .form-input,.btn-new-author,.btn-add-author,.btn-cancel-author{width:100%}}.series-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px #0000001a;transition:transform .2s,box-shadow .2s}.series-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #00000026}.series-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px;gap:10px}.series-badges{display:flex;flex-direction:column;gap:6px;align-items:flex-end}.series-name{font-size:20px;color:#2c3e50;margin:0;flex:1;cursor:pointer;transition:color .2s}.series-name:hover{color:#3498db}.series-badge{font-size:12px;padding:4px 10px;border-radius:12px;font-weight:500;white-space:nowrap}.series-badge.completed{background-color:#27ae60;color:#fff}.series-badge.unread{background-color:#f39c12;color:#fff}.series-badge.unavailable{background-color:#e74c3c;color:#fff}.series-card-info{margin-bottom:20px}.books-count{font-size:14px;color:#7f8c8d;margin:0}.series-card-actions{display:flex;gap:10px;flex-wrap:wrap}.series-card-actions button{flex:1;min-width:44px;padding:10px 12px;border:none;border-radius:8px;font-size:20px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}@media (max-width: 768px){.series-card-actions{flex-direction:column}.series-card-actions button{width:100%}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:8px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 4px 20px #0003}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #ecf0f1}.modal-header h2{margin:0;font-size:24px;color:#2c3e50}.modal-close{background:none;border:none;font-size:32px;color:#7f8c8d;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s}.modal-close:hover{color:#2c3e50}.series-form{padding:20px}.form-error{background-color:#fee;color:#c00;padding:12px;border-radius:4px;margin-bottom:20px;font-size:14px}.form-group label{display:block;margin-bottom:8px;color:#2c3e50;font-weight:500;font-size:14px}.form-group input[type=text]{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:16px;box-sizing:border-box;transition:border-color .2s}.form-group input[type=text]:focus{outline:none;border-color:#3498db}.form-group input[type=text]:disabled{background-color:#f5f5f5;cursor:not-allowed}.checkbox-group label{display:flex;align-items:center;cursor:pointer}.checkbox-group input[type=checkbox]{margin-right:10px;width:18px;height:18px;cursor:pointer}.checkbox-group span{font-weight:400}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:30px;padding-top:20px;border-top:1px solid #ecf0f1}.form-actions button{padding:10px 24px;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:all .2s}.btn-cancel:hover:not(:disabled){background-color:#7f8c8d}.btn-submit{background-color:#3498db;color:#fff}.btn-submit:hover:not(:disabled){background-color:#2980b9}.form-actions button:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.modal-overlay{padding:0}.modal-content{max-width:100%;border-radius:0;max-height:100vh}.form-actions{flex-direction:column-reverse}.form-actions button{width:100%}}.series-list-container{padding:20px;max-width:1400px;margin:0 auto}.series-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.series-list-header h2{font-size:28px;color:#2c3e50;margin:0}.series-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:20px}.loading{text-align:center;padding:40px;font-size:18px;color:#7f8c8d}.error{text-align:center;padding:40px;font-size:18px;color:#e74c3c}@media (max-width: 768px){.series-list-header{flex-direction:column;gap:15px;align-items:flex-start}.series-grid{grid-template-columns:1fr}}.series-detail-container{padding:20px;max-width:1400px;margin:0 auto}.series-detail-header{margin-bottom:30px}.btn-back{background:none;border:none;color:#3498db;font-size:16px;cursor:pointer;padding:8px 0;margin-bottom:20px;transition:color .2s}.btn-back:hover{color:#2980b9}.series-title-row{display:flex;align-items:center;gap:15px;margin-bottom:10px}.series-detail-header h1{font-size:32px;color:#2c3e50;margin:0}.series-badge-large{font-size:14px;padding:6px 14px;border-radius:14px;font-weight:500;white-space:nowrap}.series-badge-large.completed{background-color:#27ae60;color:#fff}.books-count-large{font-size:16px;color:#7f8c8d;margin:0}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,220px));gap:20px;margin-top:20px;justify-content:start}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:20px}.empty-state p{font-size:18px;color:#7f8c8d;margin-bottom:20px}.btn-primary{background-color:#3498db;color:#fff;border:none;padding:12px 24px;font-size:16px;border-radius:6px;cursor:pointer;transition:background-color .3s}.btn-primary:hover{background-color:#2980b9}@media (max-width: 768px){.series-title-row{flex-direction:column;align-items:flex-start;gap:10px}.series-detail-header h1{font-size:24px}.books-grid{grid-template-columns:1fr;max-width:300px;margin:0 auto}}.author-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px #0000001a;transition:transform .2s,box-shadow .2s;cursor:pointer}.author-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #00000026}.author-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px;gap:10px}.author-name{font-size:20px;color:#2c3e50;margin:0;flex:1;transition:color .2s}.author-card-info{margin-bottom:20px}.author-books-count{font-size:14px;color:#7f8c8d;margin:0}.author-card-actions{display:flex;gap:10px;flex-wrap:wrap}.author-card-actions button{flex:1;min-width:44px;padding:10px 12px;border:none;border-radius:8px;font-size:20px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-secondary{background-color:#95a5a6;color:#fff}.btn-secondary:hover{background-color:#7f8c8d}.btn-edit{background-color:#3498db;color:#fff}.btn-edit:hover{background-color:#2980b9}.btn-delete{background-color:#e74c3c;color:#fff}.btn-delete:hover{background-color:#c0392b}@media (max-width: 768px){.author-card-actions{flex-direction:column}.author-card-actions button{width:100%}}.author-form-container{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.author-form{background:#fff;border-radius:12px;padding:30px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 4px 20px #0003}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.form-header h2{margin:0;color:#2c3e50;font-size:1.8rem}.btn-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#7f8c8d;padding:5px 10px;transition:color .2s}.btn-close:hover{color:#2c3e50}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#2c3e50;font-weight:500}.form-group input{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;font-size:1rem;transition:border-color .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#3498db}.form-actions{display:flex;gap:10px;margin-top:30px}.form-actions button{flex:1;padding:12px;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:all .2s}.btn-cancel{background-color:#95a5a6;color:#fff}.btn-cancel:hover{background-color:#7f8c8d}.btn-submit{background-color:#27ae60;color:#fff}.btn-submit:hover:not(:disabled){background-color:#229954}.btn-submit:disabled{background-color:#95a5a6;cursor:not-allowed}.error-message{background-color:#fee;color:#c33;padding:12px;border-radius:6px;margin-bottom:20px}.author-detail{max-width:1400px;margin:0 auto;padding:20px}.btn-back{background-color:#3498db;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:1rem;cursor:pointer;margin-bottom:20px;transition:background-color .2s}.btn-back:hover{background-color:#2980b9}.author-info{background:#fff;border-radius:12px;padding:30px;margin-bottom:30px;box-shadow:0 2px 8px #0000001a}.author-info h1{margin:0 0 10px;color:#2c3e50;font-size:2.5rem}.books-count{margin:0;color:#7f8c8d;font-size:1.1rem}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,220px));gap:20px;justify-content:center}.empty-state p{font-size:1.2rem;color:#7f8c8d}@media (max-width: 768px){.author-detail{padding:16px}.author-info{padding:20px}.author-info h1{font-size:1.8rem}.books-grid{grid-template-columns:1fr;max-width:300px;margin:0 auto}}.author-list{max-width:1400px;margin:0 auto;padding:20px}.author-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.author-list-header h2{font-size:2rem;color:#2c3e50;margin:0}.btn-add{background-color:#27ae60;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:1rem;cursor:pointer;transition:background-color .2s}.btn-add:hover{background-color:#229954}.authors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.loading{text-align:center;padding:40px;font-size:1.2rem;color:#7f8c8d}.error-message{background-color:#fee;color:#c33;padding:15px;border-radius:8px;margin-bottom:20px}.empty-state{text-align:center;padding:60px 20px}.empty-state p{font-size:1.2rem;color:#7f8c8d;margin-bottom:20px}@media (max-width: 768px){.author-list{padding:16px}.author-list-header{flex-direction:column;gap:15px;align-items:stretch}.author-list-header h2{font-size:1.5rem}.authors-grid{grid-template-columns:1fr}.btn-add{width:100%}}.readings-chart-container{background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014;padding:2rem}.chart-header{margin-bottom:2rem}.chart-title{color:#2c3e50;font-size:1.8rem;font-weight:700;margin-bottom:1.5rem;text-align:center}.type-filter{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.5rem}.type-filter-btn{padding:.6rem 1.2rem;border:2px solid #e0e0e0;background:#fff;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s ease;color:#2c3e50}.type-filter-btn:hover{background:#f8f9fa;border-color:#3498db}.type-filter-btn.active{background:#3498db;color:#fff;border-color:#3498db}.year-selector{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}.year-btn{padding:.75rem 1.5rem;border:2px solid #e0e0e0;background:#fff;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;color:#2c3e50}.year-btn:hover{background:#f8f9fa;border-color:#9b59b6}.year-btn.active{background:#9b59b6;color:#fff;border-color:#9b59b6}.chart-content{margin-top:2rem}.chart-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.info-card{background:linear-gradient(135deg,#667eea,#764ba2);padding:1.5rem;border-radius:12px;text-align:center;color:#fff;box-shadow:0 4px 12px #667eea4d}.info-label{font-size:.9rem;opacity:.9;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.5px}.info-value{font-size:2rem;font-weight:700}.chart-wrapper{background:#f8f9fa;border-radius:12px;padding:2rem;margin-bottom:2rem}.chart-bars{display:flex;justify-content:space-between;align-items:flex-end;height:300px;gap:.5rem;padding:1rem 0}.bar-container{flex:1;display:flex;flex-direction:column;align-items:center;min-width:0}.bar-value{min-height:1.5rem;font-size:.85rem;font-weight:600;color:#2c3e50;margin-bottom:.5rem}.bar-wrapper{flex:1;width:100%;display:flex;flex-direction:column;justify-content:flex-end;position:relative}.bar{width:100%;min-height:2px;background:linear-gradient(to top,#3498db,#5dade2);border-radius:8px 8px 0 0;transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.bar:hover{transform:scaleY(1.05);box-shadow:0 4px 12px #3498db66}.bar-fill{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to top,#fff0,#ffffff4d);animation:shimmer 2s infinite}@keyframes shimmer{0%,to{opacity:.5}50%{opacity:1}}.bar-label{margin-top:.5rem;font-size:.85rem;color:#7f8c8d;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;text-align:center}.chart-summary{background:#f8f9fa;border-radius:12px;padding:1.5rem}.chart-summary h3{color:#2c3e50;margin-bottom:1rem;font-size:1.2rem}.summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem}.summary-item{display:flex;justify-content:space-between;padding:.5rem .75rem;background:#fff;border-radius:6px;font-size:.9rem}.summary-month{color:#7f8c8d;font-weight:500}.summary-count{color:#3498db;font-weight:700}.empty-chart{text-align:center;padding:4rem 2rem;background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014}.empty-chart h3{color:#2c3e50;margin-bottom:.5rem}.empty-chart p{color:#7f8c8d}.spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #9b59b6;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 1024px){.chart-bars{height:250px}.bar-label{font-size:.75rem}}@media (max-width: 768px){.readings-chart-container{padding:1rem}.chart-title{font-size:1.5rem}.chart-info{grid-template-columns:1fr}.chart-wrapper{padding:1rem}.chart-bars{height:200px;gap:.25rem}.bar-value{font-size:.75rem}.bar-label{font-size:.7rem}.summary-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}}.reading-list-container{max-width:1400px;margin:0 auto;padding:2rem}.reading-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.page-title{color:#2c3e50;font-size:2.5rem;font-weight:700;margin:0}.header-actions{display:flex;gap:1rem}.btn-add-reading,.btn-toggle-chart{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-add-reading{background:#3498db;color:#fff}.btn-add-reading:hover{background:#2980b9;transform:translateY(-2px);box-shadow:0 4px 12px #3498db4d}.btn-toggle-chart{background:#9b59b6;color:#fff}.btn-toggle-chart:hover{background:#8e44ad;transform:translateY(-2px);box-shadow:0 4px 12px #9b59b64d}.empty-state{text-align:center;padding:4rem 2rem;background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014}.empty-icon{font-size:5rem;margin-bottom:1rem}.empty-state h2{color:#2c3e50;margin-bottom:.5rem}.empty-state p{color:#7f8c8d;margin-bottom:2rem}.btn-add-first{padding:.75rem 2rem;background:#3498db;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-add-first:hover{background:#2980b9;transform:translateY(-2px);box-shadow:0 4px 12px #3498db4d}.readings-table-wrapper{background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014;overflow:hidden}.readings-table{width:100%;border-collapse:collapse;table-layout:fixed}.readings-table col:nth-child(1){width:80px}.readings-table col:nth-child(2){width:auto;min-width:200px}.readings-table col:nth-child(3){width:150px}.readings-table col:nth-child(4){width:60px}.readings-table col:nth-child(5){width:130px}.readings-table col:nth-child(6){width:100px}.readings-table thead{background:#34495e;color:#fff}.readings-table th{padding:1rem;text-align:left;font-weight:600;font-size:.95rem;text-transform:uppercase;letter-spacing:.5px}.readings-table tbody tr{border-bottom:1px solid #ecf0f1;transition:background .2s ease}.readings-table tbody tr:hover{background:#f8f9fa}.readings-table td{padding:1rem;vertical-align:middle}.book-cover{height:80px;overflow:hidden;border-radius:4px;display:flex;align-items:center;justify-content:center;background:#ecf0f1}.book-cover img{width:100%;height:100%;object-fit:contain}.no-cover{font-size:2rem;color:#95a5a6}.book-title{font-weight:600;color:#2c3e50;font-size:1rem;word-wrap:break-word;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto}.book-author{color:#7f8c8d;word-wrap:break-word;overflow-wrap:break-word}.reading-type{text-align:center}.type-badge{font-size:1.5rem;cursor:help;display:inline-block;transition:transform .2s ease}.type-badge:hover{transform:scale(1.2)}.read-date{color:#34495e;white-space:nowrap}.actions{display:flex;gap:.5rem}.btn-edit,.btn-delete{padding:.5rem .75rem;border:none;background:transparent;font-size:1.2rem;cursor:pointer;border-radius:6px;transition:all .2s ease}.btn-edit:hover{background:#3498db;transform:scale(1.1)}.btn-delete:hover{background:#e74c3c;transform:scale(1.1)}.reading-stats{padding:1.5rem;background:#f8f9fa;border-top:2px solid #ecf0f1}.stats-text{margin:0;color:#2c3e50;font-size:1rem}.stats-text strong{color:#3498db;font-size:1.2rem}@media (max-width: 1024px){.readings-table{font-size:.9rem}.readings-table th,.readings-table td{padding:.75rem .5rem}.book-cover{height:70px}}@media (max-width: 768px){.reading-list-container{padding:1rem}.page-title{font-size:1.8rem}.reading-list-header{flex-direction:column;align-items:stretch}.header-actions{flex-direction:column}.btn-add-reading,.btn-toggle-chart{width:100%}.readings-table-wrapper{overflow-x:auto}.readings-table{font-size:.85rem;table-layout:auto;width:100%}.readings-table col{width:auto!important}.readings-table th,.readings-table td{padding:.75rem .5rem;overflow:visible}.readings-table td:nth-child(2){min-width:150px}.book-cover{height:70px}.book-title{font-size:.9rem;word-wrap:break-word;word-break:break-word;white-space:normal!important;line-height:1.3;overflow:visible!important;text-overflow:clip!important;max-width:none!important}.book-author{font-size:.85rem;word-wrap:break-word;white-space:normal}.reading-type{padding:0}.type-badge{font-size:1.3rem}.read-date{font-size:.85rem;white-space:normal}.actions{display:flex;flex-direction:column;gap:.25rem}.btn-edit,.btn-delete{padding:.4rem .6rem;font-size:1rem}}.reading-form-container{max-width:700px;margin:0 auto;padding:2rem}.form-title{text-align:center;color:#2c3e50;margin-bottom:2rem;font-size:2rem;font-weight:600}.reading-form{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 2px 12px #00000014}.form-label{display:block;margin-bottom:.5rem;color:#2c3e50;font-weight:500;font-size:.95rem}.form-input,.form-select{width:100%;padding:.75rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:all .3s ease;font-family:inherit}.form-input:focus,.form-select:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 3px #3498db1a}.input-mode-toggle{display:flex;gap:.5rem;margin-bottom:1rem}.mode-btn{flex:1;padding:.75rem 1rem;border:2px solid #e0e0e0;background:#fff;border-radius:8px;font-size:.95rem;cursor:pointer;transition:all .3s ease;font-weight:500}.mode-btn:hover{background:#f8f9fa;border-color:#3498db}.mode-btn.active{background:#3498db;color:#fff;border-color:#3498db}.book-preview,.photo-preview{margin-top:1rem;text-align:center}.book-preview-image,.photo-preview img{max-width:200px;max-height:300px;border-radius:8px;box-shadow:0 2px 8px #0000001a;object-fit:contain}.form-actions{display:flex;gap:1rem;margin-top:2rem;justify-content:flex-end}.btn-cancel,.btn-submit{padding:.75rem 2rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-cancel{background:#95a5a6;color:#fff}.btn-cancel:hover:not(:disabled){background:#7f8c8d;transform:translateY(-2px);box-shadow:0 4px 12px #95a5a64d}.btn-submit{background:#3498db;color:#fff}.btn-submit:hover:not(:disabled){background:#2980b9;transform:translateY(-2px);box-shadow:0 4px 12px #3498db4d}.btn-cancel:disabled,.btn-submit:disabled{opacity:.6;cursor:not-allowed}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:1rem}.spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.reading-form-container{padding:1rem}.reading-form{padding:1.5rem}.form-actions{flex-direction:column}.btn-cancel,.btn-submit{width:100%}}.diary-chart-container{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2rem;box-shadow:var(--shadow)}.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.chart-title{font-size:1.1rem;font-weight:600;margin:0;color:var(--text)}.year-selector{display:flex;gap:.5rem}.year-btn{padding:.5rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text-light);font-size:.9rem;cursor:pointer;transition:all .2s ease}.year-btn:hover{background:var(--border);color:var(--text)}.year-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.chart-stats{display:flex;gap:2rem;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.chart-stat{display:flex;flex-direction:column}.chart-stat-value{font-size:1.75rem;font-weight:700;color:var(--primary)}.chart-stat-label{font-size:.85rem;color:var(--text-light)}.chart-wrapper{overflow-x:auto}.chart-bars{display:flex;gap:12px;min-width:600px;padding:1rem 0}.chart-bar-container{flex:1;display:flex;flex-direction:column;align-items:center}.chart-bar-wrapper{width:100%;height:200px;display:flex;align-items:flex-end;justify-content:center}.chart-bar{width:100%;max-width:40px;min-height:4px;background:linear-gradient(180deg,var(--success) 0%,#059669 100%);border-radius:4px 4px 0 0;position:relative;transition:height .3s ease}.chart-bar.current{background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%)}.bar-value{position:absolute;top:-24px;left:50%;transform:translate(-50%);font-size:.75rem;font-weight:600;color:var(--text);white-space:nowrap}.chart-label{margin-top:.75rem;font-size:.8rem;color:var(--text-light)}.chart-label.current{color:var(--primary);font-weight:600}.chart-loading,.chart-empty{text-align:center;padding:4rem 2rem;background:var(--card);border:2px dashed var(--border);border-radius:16px}.chart-empty .empty-icon{font-size:3rem;margin-bottom:1rem}.chart-empty h3{margin:0 0 .5rem;color:var(--text)}.chart-empty p{color:var(--text-light);margin:0}@media (max-width: 600px){.diary-chart-container{padding:1.5rem}.chart-stats{flex-direction:column;gap:1rem}.chart-bar-wrapper{height:150px}}.reading-diary-container{max-width:1200px;margin:0 auto;padding:2rem}.reading-diary-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.header-actions{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.view-toggle{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:4px}.toggle-btn{padding:.5rem 1rem;background:transparent;border:none;color:var(--text-light);cursor:pointer;border-radius:8px;font-size:.9rem;transition:all .2s ease}.toggle-btn:hover{color:var(--text);background:#0000000d}.toggle-btn.active{background:var(--primary);color:#fff}.btn-add-session{padding:.75rem 1.5rem;background:var(--primary);border:none;border-radius:10px;color:#fff;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-add-session:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.diary-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;text-align:center;box-shadow:var(--shadow)}.stat-value{display:block;font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}.stat-label{font-size:.9rem;color:var(--text-light)}.section-title{font-size:1.25rem;font-weight:600;margin-bottom:1.5rem;color:var(--text)}.currently-reading-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem}.book-progress-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;display:grid;grid-template-columns:80px 1fr auto;gap:1rem;align-items:start;transition:all .2s ease;box-shadow:var(--shadow)}.book-progress-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.book-progress-cover{width:80px;height:120px;border-radius:8px;overflow:hidden;flex-shrink:0}.book-progress-cover img{width:100%;height:100%;object-fit:cover}.book-progress-cover .no-cover{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);font-size:2rem}.book-progress-info{flex:1;min-width:0}.book-progress-title{font-size:1rem;font-weight:600;margin:0 0 .25rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-progress-author{font-size:.85rem;color:var(--text-light);margin:0 0 1rem}.progress-bar-container{margin-bottom:.5rem}.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--success) 100%);border-radius:4px;transition:width .3s ease}.progress-text{font-size:.8rem;color:var(--text-light)}.last-session{font-size:.75rem;color:var(--text-light);margin:.5rem 0 0}.book-card-actions{display:flex;flex-direction:column;gap:.5rem;align-self:start}.btn-add-pages{padding:.5rem .75rem;background:#4f46e51a;border:1px solid rgba(79,70,229,.2);border-radius:8px;color:var(--primary);font-size:.8rem;cursor:pointer;transition:all .2s ease}.btn-add-pages:hover{background:#4f46e533}.btn-mark-completed{padding:.5rem .75rem;background:#10b9811a;border:1px solid rgba(16,185,129,.2);border-radius:8px;color:var(--success);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-mark-completed:hover{background:#10b98133}.sessions-list{display:flex;flex-direction:column;gap:1rem}.session-item{display:flex;align-items:center;gap:1rem;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem;transition:all .2s ease;box-shadow:var(--shadow)}.session-item:hover{border-color:var(--primary);box-shadow:var(--shadow-lg)}.session-cover{width:50px;height:70px;border-radius:6px;overflow:hidden;flex-shrink:0}.session-cover img{width:100%;height:100%;object-fit:cover}.session-cover .no-cover{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);font-size:1.5rem}.session-info{flex:1;min-width:0}.session-book-title{font-size:.95rem;font-weight:600;margin:0 0 .25rem;color:var(--text)}.session-author{font-size:.8rem;color:var(--text-light);margin:0}.session-notes{font-size:.8rem;color:var(--text-light);margin:.5rem 0 0;font-style:italic}.session-pages{text-align:center;padding:0 1rem}.pages-count{display:block;font-size:1.25rem;font-weight:700;color:var(--success)}.pages-label{font-size:.75rem;color:var(--text-light)}.session-date{font-size:.85rem;color:var(--text-light);white-space:nowrap}.session-actions{display:flex;gap:.5rem}.session-actions .btn-edit,.session-actions .btn-delete{padding:.5rem;background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:.9rem;transition:all .2s ease}.session-actions .btn-edit:hover{background:#4f46e51a;border-color:var(--primary)}.session-actions .btn-delete:hover{background:#ef44441a;border-color:var(--danger)}.empty-state{text-align:center;padding:4rem 2rem;background:var(--card);border:2px dashed var(--border);border-radius:16px}.empty-icon{font-size:4rem;margin-bottom:1rem}.empty-state h3{font-size:1.25rem;margin:0 0 .5rem;color:var(--text)}.empty-state p{color:var(--text-light);margin:0 0 1.5rem}.btn-add-first{padding:.75rem 1.5rem;background:var(--primary);border:none;border-radius:10px;color:#fff;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-add-first:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}@media (max-width: 768px){.reading-diary-container{padding:1rem}.reading-diary-header{flex-direction:column;align-items:stretch}.header-actions{flex-direction:column}.view-toggle{width:100%;justify-content:center}.btn-add-session{width:100%;text-align:center}.currently-reading-grid{grid-template-columns:1fr}.session-item{flex-wrap:wrap}.session-info{order:1;width:calc(100% - 70px)}.session-pages{order:2}.session-date{order:3}.session-actions{order:4}}.session-form-container{max-width:600px;margin:0 auto;padding:2rem}.session-form{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2rem;box-shadow:var(--shadow)}.form-title{font-size:1.5rem;font-weight:600;margin-bottom:2rem;text-align:center;color:var(--text)}.form-group{margin-bottom:1.5rem}.form-label{display:block;font-size:.9rem;font-weight:500;margin-bottom:.5rem;color:var(--text)}.form-select,.form-input,.form-textarea{width:100%;padding:.875rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:1rem;transition:all .2s ease}.form-select:focus,.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-select option{background:var(--card);color:var(--text)}.form-textarea{resize:vertical;min-height:100px}.form-hint{display:block;margin-top:.5rem;font-size:.8rem;color:var(--text-light)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.selected-book-preview{display:flex;gap:1rem;margin-top:1rem;padding:1rem;background:var(--bg);border-radius:10px;border:1px solid var(--border)}.selected-book-preview img{width:60px;height:90px;object-fit:cover;border-radius:6px}.selected-book-preview .no-cover{width:60px;height:90px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:6px;font-size:1.5rem}.book-preview-info{display:flex;flex-direction:column;gap:.25rem}.book-preview-info strong{font-size:.95rem;color:var(--text)}.book-preview-info span{font-size:.85rem;color:var(--text-light)}.book-preview-info .total-pages{color:var(--primary);font-weight:500}.form-actions{display:flex;gap:1rem;margin-top:2rem}.btn-cancel{flex:1;padding:.875rem 1.5rem;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-cancel:hover:not(:disabled){background:var(--border)}.btn-submit{flex:1;padding:.875rem 1.5rem;background:var(--primary);border:none;border-radius:10px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-submit:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-submit:disabled,.btn-cancel:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 600px){.session-form-container{padding:1rem}.session-form{padding:1.5rem}.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column}}.spiral-chart-container{display:flex;justify-content:center;align-items:center;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin:2rem auto}.spiral-chart{max-width:100%;height:auto}@media (max-width: 768px){.spiral-chart-container{padding:1rem;max-width:100%}}.challenge-form-container{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #0000001a;max-width:500px;margin:2rem auto}.challenge-form-container h2{margin-top:0;margin-bottom:1.5rem;color:#333;font-size:1.5rem;text-align:center}.challenge-form{display:flex;flex-direction:column;gap:1.5rem}.challenge-form .form-group{display:flex;flex-direction:column;gap:.5rem}.challenge-form label{font-weight:600;color:#555;font-size:.95rem}.challenge-form input{padding:.75rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .2s}.challenge-form input:focus{outline:none;border-color:#3b82f6}.challenge-form input:disabled{background-color:#f5f5f5;cursor:not-allowed}.challenge-form small{color:#666;font-size:.85rem}.challenge-form .btn-primary{padding:.75rem 1.5rem;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:.5rem}.challenge-form .btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.challenge-form .btn-primary:active{transform:translateY(0)}@media (max-width: 768px){.challenge-form-container{padding:1.5rem;margin:1rem}}.challenge-page{max-width:1200px;margin:0 auto;padding:2rem}.challenge-header{text-align:center;margin-bottom:2rem}.challenge-header h1{font-size:2.5rem;color:#333;margin-bottom:.5rem}.challenge-subtitle{color:#666;font-size:1.1rem}.year-selector{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem;background:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 2px 8px #0000001a}.year-selector label{font-weight:600;color:#555;font-size:1.1rem}.year-selector select{padding:.75rem 1rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;cursor:pointer;background:#fff;transition:border-color .2s;min-width:200px}.year-selector select:focus{outline:none;border-color:#3b82f6}.challenge-loading{text-align:center;padding:3rem;font-size:1.2rem;color:#666}.error-message{background:#fee;color:#c33;padding:1rem;border-radius:8px;margin-bottom:1rem;text-align:center}.success-message{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:1.5rem;border-radius:12px;margin-top:2rem;text-align:center;font-size:1.3rem;font-weight:600;box-shadow:0 4px 12px #10b9814d}.no-challenge{background:#fff;border-radius:12px;padding:3rem;text-align:center;box-shadow:0 2px 8px #0000001a}.no-challenge p{font-size:1.2rem;color:#666;margin-bottom:1.5rem}.challenge-content{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.challenge-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;display:flex;flex-direction:column;align-items:center;gap:.5rem;transition:transform .2s}.stat-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #00000026}.stat-label{font-size:.9rem;color:#666;text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:2.5rem;font-weight:700;color:#3b82f6}.challenge-actions{display:flex;justify-content:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}.btn-primary,.btn-secondary,.btn-danger{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.btn-primary{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background:linear-gradient(135deg,#6b7280,#4b5563);color:#fff}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #6b72804d}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.btn-primary:active,.btn-secondary:active,.btn-danger:active{transform:translateY(0)}.edit-form-wrapper{animation:fadeIn .3s ease-in}@media (max-width: 768px){.challenge-page{padding:1rem}.challenge-header h1{font-size:2rem}.year-selector{flex-direction:column;padding:1rem}.year-selector select{width:100%}.challenge-stats{grid-template-columns:1fr}.challenge-actions{flex-direction:column}.challenge-actions button{width:100%}}.header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:16px;box-shadow:var(--shadow-lg);position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.header-back{background:#fff3;border:none;border-radius:12px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;transition:all .2s}.header-back:active{transform:scale(.95);background:#ffffff4d}.header-title{font-size:20px;font-weight:600;margin-right:auto}.header-nav{display:flex;gap:8px;margin:0 auto}.nav-button{background:#fff3;border:none;color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.nav-button:hover{background:#ffffff4d}.nav-button.active{background:#fff6;font-weight:600}.header-add{background:#fff3;border:none;border-radius:12px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;transition:all .2s}.header-add:active{transform:scale(.95);background:#ffffff4d}.user-menu-container{position:relative}.user-avatar-btn{background:none;border:2px solid rgba(255,255,255,.3);border-radius:50%;width:44px;height:44px;padding:0;cursor:pointer;overflow:hidden;transition:all .2s}.user-avatar-btn:hover{border-color:#fff9;transform:scale(1.05)}.user-avatar{width:100%;height:100%;object-fit:cover;border-radius:50%}.user-avatar-placeholder{width:100%;height:100%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;color:#fff}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0003;min-width:220px;overflow:hidden;animation:slideDown .2s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-info{padding:16px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-bottom:1px solid #e9ecef}.user-name{display:block;font-weight:600;color:#1a1a2e;font-size:14px;margin-bottom:4px}.user-email{display:block;color:#6c757d;font-size:12px}.logout-btn{width:100%;display:flex;align-items:center;gap:10px;padding:14px 16px;background:none;border:none;color:#e94560;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.logout-btn:hover{background:#fff5f5}.logout-btn svg{width:18px;height:18px}@media (max-width: 768px){.header{padding:12px 16px}.header-content{flex-wrap:wrap}.header-title{font-size:18px;margin-right:0}.header-nav{order:3;width:100%;margin-top:8px}.nav-button{flex:1;font-size:12px;padding:8px 6px}.header-back,.header-add{width:44px;height:44px;font-size:20px}.user-avatar-btn{width:40px;height:40px}.user-dropdown{right:-10px}}.landing{--color-bg: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-card: rgba(255, 255, 255, .03);--color-border: rgba(255, 255, 255, .08);--color-text: #ffffff;--color-text-secondary: rgba(255, 255, 255, .6);--color-text-muted: rgba(255, 255, 255, .4);--color-accent: #c9a227;--color-accent-light: #e8c547;--color-accent-glow: rgba(201, 162, 39, .3);--font-display: "Literata", Georgia, serif;--font-body: "Inter", -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 32px;--shadow-glow: 0 0 60px var(--color-accent-glow)}.landing{min-height:100vh;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);line-height:1.6;overflow-x:hidden}.landing-container{max-width:1200px;margin:0 auto;padding:0 24px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.landing-header{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;background:#0a0a0fcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border)}.landing-header .landing-container{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--color-text)}.logo-icon{font-size:1.5rem}.logo-text{font-family:var(--font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.header-cta{padding:10px 24px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease}.header-cta:hover{background:#ffffff0d;border-color:var(--color-accent);color:var(--color-accent)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.hero-gradient{position:absolute;top:-50%;left:-20%;width:80%;height:150%;background:radial-gradient(ellipse at center,var(--color-accent-glow) 0%,transparent 60%);opacity:.4;filter:blur(100px)}.hero-pattern{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 2px 2px,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}.hero-content{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4rem);font-weight:700;line-height:1.1;letter-spacing:-.03em;margin:0 0 24px}.hero-highlight{color:var(--color-accent);display:block}.hero-subtitle{font-size:1.2rem;color:var(--color-text-secondary);margin:0 0 40px;max-width:500px}.hero-cta{display:flex;flex-direction:column;gap:16px;align-items:flex-start}.btn-primary{display:inline-flex;align-items:center;gap:12px;padding:16px 32px;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-light) 100%);border:none;border-radius:var(--radius-md);color:#0a0a0f;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 80px var(--color-accent-glow),0 20px 40px #0000004d}.btn-large{padding:18px 36px;font-size:1.1rem}.google-icon{width:20px;height:20px}.hero-note{font-size:.9rem;color:var(--color-text-muted);margin:0}.hero-visual{display:flex;justify-content:center}.hero-mockup{width:100%;max-width:450px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 50px 100px -20px #00000080,0 30px 60px -30px #0009}.mockup-header{padding:12px 16px;background:#0000004d;border-bottom:1px solid var(--color-border)}.mockup-dots{display:flex;gap:6px}.mockup-dots span{width:10px;height:10px;border-radius:50%;background:#ffffff26}.mockup-content{padding:20px;display:flex;flex-direction:column;gap:16px}.mockup-book{display:flex;gap:16px;padding:12px;background:var(--color-bg-card);border-radius:var(--radius-sm);border:1px solid var(--color-border)}.book-cover-mock{width:50px;height:70px;background:linear-gradient(135deg,var(--color-accent) 0%,#8b6914 100%);border-radius:4px;flex-shrink:0}.mockup-book:nth-child(2) .book-cover-mock{background:linear-gradient(135deg,#2d5a87,#1a3a5c)}.mockup-book:nth-child(3) .book-cover-mock{background:linear-gradient(135deg,#6b3a5d,#4a2840)}.book-info-mock{flex:1;display:flex;flex-direction:column;gap:8px;justify-content:center}.book-title-mock{height:14px;width:80%;background:#ffffff26;border-radius:4px}.book-author-mock{height:10px;width:50%;background:#ffffff14;border-radius:4px}.features{padding:120px 0;background:var(--color-bg-secondary)}.section-header{text-align:center;margin-bottom:64px}.section-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;letter-spacing:-.02em;margin:0 0 16px}.section-subtitle{font-size:1.1rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{padding:32px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all .3s ease}.feature-card:hover{border-color:var(--color-accent);transform:translateY(-4px);box-shadow:0 20px 40px #0003}.feature-icon{font-size:2.5rem;margin-bottom:20px;display:block}.feature-title{font-family:var(--font-display);font-size:1.25rem;font-weight:600;margin:0 0 12px}.feature-desc{font-size:.95rem;color:var(--color-text-secondary);margin:0;line-height:1.7}.how-it-works{padding:120px 0}.steps-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:48px;max-width:700px;margin:0 auto}.step{display:flex;gap:32px;align-items:flex-start}.step-number{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-light) 100%);border-radius:50%;font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:#0a0a0f;flex-shrink:0}.step-content{padding-top:8px}.step-title{font-family:var(--font-display);font-size:1.5rem;font-weight:600;margin:0 0 8px}.step-desc{font-size:1rem;color:var(--color-text-secondary);margin:0}.stats{padding:80px 0;background:var(--color-bg-secondary);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}.stat-item{display:flex;flex-direction:column;gap:8px}.stat-number{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;color:var(--color-accent)}.stat-label{font-size:.95rem;color:var(--color-text-secondary)}.final-cta{padding:120px 0}.cta-content{text-align:center;max-width:600px;margin:0 auto}.cta-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.5rem);font-weight:700;letter-spacing:-.02em;margin:0 0 16px}.cta-subtitle{font-size:1.1rem;color:var(--color-text-secondary);margin:0 0 40px}.landing-footer{padding:40px 0;border-top:1px solid var(--color-border)}.footer-content{display:flex;align-items:center;justify-content:space-between}.footer-brand{display:flex;align-items:center;gap:10px}.footer-copy{font-size:.9rem;color:var(--color-text-muted);margin:0}@media (max-width: 1024px){.hero-content{grid-template-columns:1fr;gap:60px;text-align:center}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-cta{align-items:center}.hero-visual{order:-1}.hero-mockup{max-width:350px}.features-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:48px}}@media (max-width: 768px){.hero{padding:100px 0 60px}.hero-title{font-size:2.2rem}.features-grid{grid-template-columns:1fr}.step{flex-direction:column;gap:16px;text-align:center;align-items:center}.footer-content{flex-direction:column;gap:16px;text-align:center}}@media (max-width: 480px){.landing-container{padding:0 16px}.btn-large{padding:16px 28px;font-size:1rem}.feature-card{padding:24px}.stats-grid{grid-template-columns:1fr 1fr;gap:32px}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);color:#e8e8e8}.loading-spinner{width:50px;height:50px;border:3px solid rgba(255,255,255,.1);border-radius:50%;border-top-color:#e94560;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p{margin-top:1rem;font-size:1.1rem;color:#ffffffb3}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:16px}@media (max-width: 768px){.main-content{padding:12px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4f46e5;--primary-dark: #4338ca;--success: #10b981;--danger: #ef4444;--text: #1f2937;--text-light: #6b7280;--bg: #f9fafb;--card: #ffffff;--border: #e5e7eb;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s}input,textarea,select{font-family:inherit;outline:none;border:1px solid var(--border);transition:all .2s}input:focus,textarea:focus,select:focus{border-color:var(--primary)}@media (max-width: 768px){body{font-size:16px}}html{scroll-behavior:smooth}*{-webkit-tap-highlight-color:transparent}