.home{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.home-container{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;padding:48px;max-width:500px;width:100%;animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.home-header{text-align:center;margin-bottom:32px}.home-header h1{font-size:32px;color:#2d3748;margin:0 0 12px;font-weight:700}.home-header .subtitle{font-size:16px;color:#718096;margin:0;line-height:1.5}.home-form .form-group{margin-bottom:24px}.home-form .form-group label{display:block;font-size:14px;font-weight:600;color:#4a5568;margin-bottom:8px}.home-form .form-group .session-input{width:100%;padding:12px 16px;font-size:16px;border:2px solid #e2e8f0;border-radius:8px;transition:all .2s ease;box-sizing:border-box}.home-form .form-group .session-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.home-form .form-group .session-input::placeholder{color:#a0aec0}.home-form .form-group .input-hint{font-size:13px;color:#a0aec0;margin:8px 0 0;line-height:1.4}.home-form .error-message{background-color:#fff5f5;color:#c53030;padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;border-left:4px solid #fc8181}.home-form .load-button{width:100%;padding:14px 24px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #667eea66}.home-form .load-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea80}.home-form .load-button:active{transform:translateY(0)}.home-form .load-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.home-footer{margin-top:32px;padding-top:24px;border-top:1px solid #e2e8f0;text-align:center}.home-footer .help-text{font-size:14px;color:#718096;margin:0;line-height:1.5}@media (max-width: 600px){.home-container{padding:32px 24px}.home-header h1{font-size:28px}.home-header .subtitle{font-size:14px}}.snapshot-manager{margin-top:1.5rem}.snapshot-manager .snapshot-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.snapshot-manager .snapshot-header h3{margin:0;font-size:18px;font-weight:600;color:#333}.snapshot-manager .snapshot-header .btn{padding:.5rem 1rem;font-size:14px;white-space:nowrap}.snapshot-manager .success-message,.snapshot-manager .error-message,.snapshot-manager .loading-message{padding:1rem;border-radius:.5rem;margin-bottom:1rem;font-size:14px;font-weight:500;animation:slideIn .3s ease}.snapshot-manager .success-message{background-color:#28a7451a;color:#1e7e34;border:1px solid rgba(40,167,69,.3)}.snapshot-manager .error-message{background-color:#dc35451a;color:#bd2130;border:1px solid rgba(220,53,69,.3)}.snapshot-manager .loading-message{background-color:#17a2b81a;color:#117a8b;border:1px solid rgba(23,162,184,.3);display:flex;align-items:center;gap:.5rem}.snapshot-manager .loading-message:before{content:"";width:16px;height:16px;border:2px solid rgba(23,162,184,.3);border-top-color:#17a2b8;border-radius:50%;animation:spin .8s linear infinite}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.snapshot-manager .snapshot-list{display:flex;flex-direction:column;gap:1rem;max-height:400px;overflow-y:auto;padding-right:.25rem}.snapshot-manager .snapshot-list::-webkit-scrollbar{width:6px}.snapshot-manager .snapshot-list::-webkit-scrollbar-track{background:#f8f9fa;border-radius:.25rem}.snapshot-manager .snapshot-list::-webkit-scrollbar-thumb{background:#ccc;border-radius:.25rem}.snapshot-manager .snapshot-list::-webkit-scrollbar-thumb:hover{background:#aaa}.snapshot-manager .snapshot-list .empty-message{text-align:center;color:#999;font-size:14px;font-style:italic;padding:2rem}.snapshot-manager .snapshot-item{display:flex;flex-direction:column;padding:1rem;background-color:#f8f9fa;border-radius:.5rem;border:1px solid #dee2e6;transition:all .15s ease;gap:1rem}.snapshot-manager .snapshot-item:hover{background-color:#eff1f4;border-color:#c1c9d0;box-shadow:0 1px 2px #0000000d}.snapshot-manager .snapshot-item .snapshot-info .snapshot-name{font-size:15px;font-weight:600;color:#333;margin-bottom:.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.snapshot-manager .snapshot-item .snapshot-info .snapshot-meta{font-size:12px;color:#999;display:flex;align-items:center;gap:.25rem}.snapshot-manager .snapshot-item .snapshot-actions{display:flex;gap:.25rem}.snapshot-manager .snapshot-item .snapshot-actions .btn-small{padding:6px 12px;font-size:12px;border-radius:.25rem;white-space:nowrap;flex:1}.snapshot-manager .modal-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#00000080;z-index:1000;animation:fadeIn .2s ease}.snapshot-manager .modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1001;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translate(-50%,-45%)}to{opacity:1;transform:translate(-50%,-50%)}}.snapshot-manager .modal-content{background-color:#fff;border-radius:1rem;padding:2rem;box-shadow:0 10px 40px #0003;min-width:400px;max-width:90vw}.snapshot-manager .modal-content h4{margin:0 0 1.5rem;font-size:20px;font-weight:600;color:#333}.snapshot-manager .modal-content p{margin:0 0 1.5rem;font-size:14px;color:#666;line-height:1.5}.snapshot-manager .modal-content .form-group{margin-bottom:1.5rem}.snapshot-manager .modal-content .form-group label{display:block;margin-bottom:.5rem;font-weight:500;font-size:14px;color:#333}.snapshot-manager .modal-content .form-group input{width:100%;padding:.5rem 1rem;border:2px solid #dee2e6;border-radius:.5rem;font-size:14px;transition:border-color .15s ease}.snapshot-manager .modal-content .form-group input:focus{border-color:#4a90e2;outline:none;box-shadow:0 0 0 3px #4a90e21a}.snapshot-manager .modal-content .form-group input::placeholder{color:#999}.snapshot-manager .modal-content .form-group small{display:block;margin-top:.25rem;font-size:12px;color:#999}.snapshot-manager .modal-content .modal-actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1.5rem}.snapshot-manager .modal-content .modal-actions .btn{padding:.5rem 1.5rem;font-size:14px;min-width:80px}@media (max-width: 768px){.snapshot-manager .snapshot-header{flex-direction:column;align-items:stretch;gap:1rem}.snapshot-manager .snapshot-header .btn{width:100%}.snapshot-manager .snapshot-item{flex-direction:column;align-items:stretch}.snapshot-manager .snapshot-item .snapshot-info{margin-bottom:.5rem}.snapshot-manager .snapshot-item .snapshot-actions{justify-content:stretch}.snapshot-manager .snapshot-item .snapshot-actions .btn-small{flex:1}.snapshot-manager .modal-content{min-width:300px;max-width:85vw;padding:1.5rem}.snapshot-manager .modal-content h4{font-size:18px}.snapshot-manager .modal-content .modal-actions{flex-direction:column-reverse}.snapshot-manager .modal-content .modal-actions .btn{width:100%}}@media (max-width: 480px){.snapshot-manager .snapshot-header h3{font-size:16px}.snapshot-manager .snapshot-item{padding:.5rem}.snapshot-manager .snapshot-item .snapshot-info .snapshot-name{font-size:14px}.snapshot-manager .snapshot-item .snapshot-info .snapshot-meta{font-size:11px}.snapshot-manager .snapshot-item .snapshot-actions{flex-wrap:wrap}.snapshot-manager .snapshot-item .snapshot-actions .btn-small{font-size:11px;padding:5px 10px}.snapshot-manager .modal-content{min-width:280px;padding:1rem}.snapshot-manager .modal-content h4{font-size:16px;margin-bottom:1rem}.snapshot-manager .modal-content p,.snapshot-manager .modal-content .form-group input{font-size:13px}.snapshot-manager .modal-content .form-group small{font-size:11px}}.voice-parts-manager .voice-parts-list{margin-bottom:16px}.voice-parts-manager .voice-part-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background-color:#f9f9f9;border:1px solid #e0e0e0;border-radius:6px;margin-bottom:8px;transition:all .2s ease}.voice-parts-manager .voice-part-item:hover{background-color:#f0f0f0;border-color:#d0d0d0}.voice-parts-manager .voice-part-item .voice-part-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-drag-handle{cursor:grab;color:#999;font-size:18px;line-height:1;-webkit-user-select:none;user-select:none;padding:0 4px}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-drag-handle:active{cursor:grabbing}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-drag-handle:hover{color:#666}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-color-preview{width:24px;height:24px;border-radius:4px;border:2px solid #ddd;flex-shrink:0}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-name{font-size:14px;font-weight:500;color:#333;cursor:pointer;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.voice-parts-manager .voice-part-item .voice-part-info .voice-part-name:hover{color:#4a90e2}.voice-parts-manager .voice-part-item .voice-part-info .member-count{font-size:12px;color:#666;font-weight:400;flex-shrink:0}.voice-parts-manager .voice-part-item .voice-part-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.voice-parts-manager .voice-part-item .voice-part-actions .color-picker{width:32px;height:32px;border:2px solid #ddd;border-radius:4px;cursor:pointer;padding:0;background:none;transition:border-color .2s ease}.voice-parts-manager .voice-part-item .voice-part-actions .color-picker:hover{border-color:#4a90e2}.voice-parts-manager .voice-part-item .voice-part-actions .color-picker::-webkit-color-swatch-wrapper{padding:0}.voice-parts-manager .voice-part-item .voice-part-actions .color-picker::-webkit-color-swatch{border:none;border-radius:2px}.voice-parts-manager .voice-part-item .voice-part-actions .color-picker::-moz-color-swatch{border:none;border-radius:2px}.voice-parts-manager .voice-part-item .voice-part-actions .btn-icon{width:32px;height:32px;padding:0;border:1px solid #ddd;background-color:#fff;border-radius:4px;cursor:pointer;font-size:16px;font-weight:700;color:#666;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.voice-parts-manager .voice-part-item .voice-part-actions .btn-icon:hover:not(:disabled){background-color:#4a90e2;color:#fff;border-color:#4a90e2}.voice-parts-manager .voice-part-item .voice-part-actions .btn-icon:disabled{opacity:.3;cursor:not-allowed}.voice-parts-manager .voice-part-item .voice-part-actions .btn-icon.btn-delete{font-size:24px;color:#dc3545}.voice-parts-manager .voice-part-item .voice-part-actions .btn-icon.btn-delete:hover:not(:disabled){background-color:#dc3545;color:#fff;border-color:#dc3545}.voice-parts-manager .voice-part-item .voice-part-edit{flex:1}.voice-parts-manager .voice-part-item .voice-part-edit .edit-input{width:100%;padding:8px 12px;border:2px solid #4a90e2;border-radius:4px;font-size:14px;font-weight:500;outline:none}.voice-parts-manager .voice-part-item .voice-part-edit .edit-input:focus{border-color:#2275d7}.voice-parts-manager .error-message{padding:10px 12px;background-color:#fee;border:1px solid #fcc;border-radius:4px;color:#dc3545;font-size:13px;margin-bottom:12px}.voice-parts-manager .add-voice-part-form{padding:12px;background-color:#f9f9f9;border:2px dashed #ddd;border-radius:6px}.voice-parts-manager .add-voice-part-form .add-input{width:100%;padding:8px 12px;border:2px solid #4a90e2;border-radius:4px;font-size:14px;margin-bottom:10px;outline:none}.voice-parts-manager .add-voice-part-form .add-input:focus{border-color:#2275d7}.voice-parts-manager .add-voice-part-form .add-form-actions{display:flex;gap:8px}.voice-parts-manager .add-voice-part-form .add-form-actions .btn{flex:1}.voice-parts-manager .btn-add-voice-part{width:100%;padding:10px;font-size:14px;font-weight:500}.choir-roster-manager{display:flex;flex-direction:column;gap:12px}.choir-roster-manager .roster-header h3{margin:0;font-size:16px;font-weight:600;color:#333}.choir-roster-manager .roster-controls{display:flex;gap:8px;align-items:center}.choir-roster-manager .roster-controls .search-input{flex:1;padding:8px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;outline:none;transition:border-color .2s ease}.choir-roster-manager .roster-controls .search-input:focus{border-color:#4a90e2}.choir-roster-manager .roster-controls .search-input::placeholder{color:#999}.choir-roster-manager .roster-controls .btn{flex-shrink:0}.choir-roster-manager .add-member-form{padding:12px;background-color:#f9f9f9;border:2px dashed #ddd;border-radius:6px;display:flex;flex-direction:column;gap:10px}.choir-roster-manager .add-member-form .form-input,.choir-roster-manager .add-member-form .form-select,.choir-roster-manager .add-member-form .form-textarea{width:100%;padding:8px 12px;border:2px solid #4a90e2;border-radius:4px;font-size:14px;outline:none}.choir-roster-manager .add-member-form .form-input:focus,.choir-roster-manager .add-member-form .form-select:focus,.choir-roster-manager .add-member-form .form-textarea:focus{border-color:#2275d7}.choir-roster-manager .add-member-form .form-select{cursor:pointer;background-color:#fff}.choir-roster-manager .add-member-form .form-textarea{font-family:inherit;resize:vertical;min-height:100px;line-height:1.5}.choir-roster-manager .add-member-form .form-textarea::placeholder{color:#999}.choir-roster-manager .add-member-form .form-actions{display:flex;gap:8px}.choir-roster-manager .add-member-form .form-actions .btn{flex:1}.choir-roster-manager .error-message{padding:10px 12px;background-color:#fee;border:1px solid #fcc;border-radius:4px;color:#dc3545;font-size:13px}.choir-roster-manager .filter-toggle{display:flex;gap:4px;background-color:#f0f0f0;padding:4px;border-radius:6px}.choir-roster-manager .filter-toggle .filter-btn{flex:1;padding:8px 12px;border:none;background-color:transparent;border-radius:4px;font-size:13px;font-weight:500;color:#666;cursor:pointer;transition:all .2s ease}.choir-roster-manager .filter-toggle .filter-btn:hover{background-color:#e0e0e0;color:#333}.choir-roster-manager .filter-toggle .filter-btn.active{background-color:#fff;color:#4a90e2;box-shadow:0 1px 3px #0000001a}.choir-roster-manager .roster-list{display:flex;flex-direction:column;gap:16px;max-height:500px;overflow-y:auto;padding-right:4px}.choir-roster-manager .roster-list::-webkit-scrollbar{width:6px}.choir-roster-manager .roster-list::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.choir-roster-manager .roster-list::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.choir-roster-manager .roster-list::-webkit-scrollbar-thumb:hover{background:#999}.choir-roster-manager .voice-part-group .voice-part-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background-color:#f5f5f5;border-left:4px solid;border-radius:4px;margin-bottom:8px}.choir-roster-manager .voice-part-group .voice-part-header .voice-part-name{font-size:14px;font-weight:600;color:#333}.choir-roster-manager .voice-part-group .voice-part-header .member-count{font-size:12px;color:#666;font-weight:400}.choir-roster-manager .voice-part-group.orphaned .voice-part-header{background-color:#fff3cd;border-left-color:#ffc107}.choir-roster-manager .voice-part-group .members-list{display:flex;flex-direction:column;gap:6px;padding-left:8px}.choir-roster-manager .voice-part-group .member-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background-color:#fff;border:1px solid #e0e0e0;border-radius:4px;transition:all .2s ease}.choir-roster-manager .voice-part-group .member-item:hover{background-color:#fafafa;border-color:#d0d0d0}.choir-roster-manager .voice-part-group .member-item .member-info{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.choir-roster-manager .voice-part-group .member-item .member-info .seated-indicator{color:#4a90e2;font-weight:700;font-size:16px;flex-shrink:0}.choir-roster-manager .voice-part-group .member-item .member-info .member-name{font-size:14px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.choir-roster-manager .voice-part-group .member-item .member-info .orphaned-label{font-size:11px;color:#856404;font-style:italic;flex-shrink:0}.choir-roster-manager .voice-part-group .member-item .member-actions{display:flex;gap:4px;flex-shrink:0}.choir-roster-manager .voice-part-group .member-item .member-actions .btn-icon{width:28px;height:28px;padding:0;border:1px solid #ddd;background-color:#fff;border-radius:4px;cursor:pointer;font-size:14px;color:#666;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.choir-roster-manager .voice-part-group .member-item .member-actions .btn-icon:hover{background-color:#4a90e2;color:#fff;border-color:#4a90e2}.choir-roster-manager .voice-part-group .member-item .member-actions .btn-icon.btn-delete{font-size:20px;color:#dc3545}.choir-roster-manager .voice-part-group .member-item .member-actions .btn-icon.btn-delete:hover{background-color:#dc3545;color:#fff;border-color:#dc3545}.choir-roster-manager .voice-part-group .member-item .member-edit-form{display:flex;gap:8px;align-items:center;flex:1}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-input,.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-select{padding:6px 10px;border:2px solid #4a90e2;border-radius:4px;font-size:13px;outline:none}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-input:focus,.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-select:focus{border-color:#2275d7}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-input{flex:1;min-width:0}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-select{flex-shrink:0;cursor:pointer;background-color:#fff;min-width:100px}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions{display:flex;gap:4px;flex-shrink:0}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions .btn-icon{width:28px;height:28px;padding:0;border:1px solid #ddd;background-color:#fff;border-radius:4px;cursor:pointer;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions .btn-icon.btn-save{color:#28a745}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions .btn-icon.btn-save:hover{background-color:#28a745;color:#fff;border-color:#28a745}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions .btn-icon.btn-cancel{color:#dc3545;font-size:20px}.choir-roster-manager .voice-part-group .member-item .member-edit-form .edit-actions .btn-icon.btn-cancel:hover{background-color:#dc3545;color:#fff;border-color:#dc3545}.choir-roster-manager .empty-state{padding:40px 20px;text-align:center;color:#999;font-size:14px;font-style:italic}.btn{padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn.btn-primary{background-color:#4a90e2;color:#fff}.btn.btn-primary:hover{background-color:#2275d7}.btn.btn-secondary{background-color:#6c757d;color:#fff}.btn.btn-secondary:hover{background-color:#545b62}.btn.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.seating-selector{display:flex;flex-direction:column;height:100%;background:#fff;border-radius:8px;overflow:hidden}.seating-selector .selector-header{padding:1rem;border-bottom:1px solid #e0e0e0;background:#f8f9fa}.seating-selector .selector-header h3{margin:0 0 .5rem;font-size:1.1rem;font-weight:600;color:#333}.seating-selector .selector-header .seating-count{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:#666}.seating-selector .selector-header .seating-count .count-label{font-weight:500}.seating-selector .selector-header .seating-count .count-value{font-weight:700;color:#2196f3}.seating-selector .selector-header .seating-count .count-separator{color:#ccc}.seating-selector .selector-controls{padding:1rem;border-bottom:1px solid #e0e0e0;display:flex;flex-direction:column;gap:.75rem}.seating-selector .selector-controls .filter-controls{display:flex;align-items:center;gap:.5rem}.seating-selector .selector-controls .filter-controls label{font-size:.9rem;font-weight:500;color:#555;white-space:nowrap}.seating-selector .selector-controls .filter-controls .filter-select{flex:1;padding:.4rem .6rem;border:1px solid #ddd;border-radius:4px;font-size:.9rem;background:#fff;cursor:pointer}.seating-selector .selector-controls .filter-controls .filter-select:focus{outline:none;border-color:#2196f3;box-shadow:0 0 0 2px #2196f31a}.seating-selector .selector-controls .bulk-actions{display:flex;gap:.5rem}.seating-selector .selector-controls .bulk-actions .btn{flex:1}.seating-selector .members-checklist{flex:1;overflow-y:auto;padding:1rem;min-height:0}.seating-selector .members-checklist::-webkit-scrollbar{width:8px}.seating-selector .members-checklist::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}.seating-selector .members-checklist::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.seating-selector .members-checklist::-webkit-scrollbar-thumb:hover{background:#999}.seating-selector .members-checklist .voice-part-section{margin-bottom:1.5rem}.seating-selector .members-checklist .voice-part-section:last-child{margin-bottom:0}.seating-selector .members-checklist .voice-part-section .voice-part-header{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;margin-bottom:.5rem;background:#f5f5f5;border-left:4px solid #ccc;border-radius:4px;font-weight:600;font-size:.95rem;color:#333}.seating-selector .members-checklist .voice-part-section .voice-part-header .voice-part-name{flex:1}.seating-selector .members-checklist .voice-part-section .voice-part-header .member-count{color:#666;font-size:.85rem;font-weight:500}.seating-selector .members-checklist .voice-part-section .members-list{display:flex;flex-direction:column;gap:.25rem}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:4px;cursor:pointer;transition:background-color .15s ease;-webkit-user-select:none;user-select:none}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item:hover{background:#f8f9fa}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item.selected{background:#e3f2fd}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item.selected:hover{background:#bbdefb}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item input[type=checkbox]{width:18px;height:18px;cursor:pointer;margin:0;flex-shrink:0}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item .member-name{flex:1;font-size:.9rem;color:#333}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item .was-seated-badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:#4caf50;color:#fff;border-radius:50%;font-size:.75rem;font-weight:700;flex-shrink:0}.seating-selector .members-checklist .empty-state{padding:2rem;text-align:center;color:#999;font-size:.95rem}.seating-selector .selector-actions{padding:1rem;border-bottom:1px solid #e0e0e0;background:#f8f9fa;display:flex;gap:.75rem;flex-shrink:0}.seating-selector .selector-actions .btn{flex:1;padding:.6rem 1rem;font-size:.95rem;font-weight:500;border:none;border-radius:4px;cursor:pointer;transition:all .2s ease}.seating-selector .selector-actions .btn.btn-primary{background:#2196f3;color:#fff}.seating-selector .selector-actions .btn.btn-primary:hover{background:#1976d2}.seating-selector .selector-actions .btn.btn-primary:active{background:#1565c0}.seating-selector .selector-actions .btn.btn-secondary{background:#e0e0e0;color:#333}.seating-selector .selector-actions .btn.btn-secondary:hover{background:#d0d0d0}.seating-selector .selector-actions .btn.btn-secondary:active{background:silver}.seating-selector .selector-actions .btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 768px){.seating-selector .selector-controls .filter-controls{flex-direction:column;align-items:stretch}.seating-selector .selector-controls .filter-controls label{font-size:.85rem}.seating-selector .members-checklist .voice-part-section .voice-part-header{font-size:.9rem;padding:.4rem .6rem}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item{padding:.4rem .6rem}.seating-selector .members-checklist .voice-part-section .members-list .member-checkbox-item .member-name{font-size:.85rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.control-panel-toggle{position:fixed;top:20px;left:20px;width:50px;height:50px;background-color:#fff;border:2px solid #333;border-radius:8px;cursor:pointer;z-index:1000;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:0;box-shadow:0 2px 8px #0003;transition:all .3s ease}.control-panel-toggle:hover{background-color:#f5f5f5;transform:scale(1.05)}.control-panel-toggle span{display:block;width:25px;height:3px;background-color:#333;border-radius:2px;transition:all .3s ease}.control-panel-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0009;z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease;padding:20px}.control-panel-modal{position:relative;background-color:#fff;border-radius:12px;box-shadow:0 4px 24px #0000004d;width:100%;max-width:1200px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.control-panel-modal .control-panel-content{padding:32px}.control-panel-modal .control-panel-content h2{margin:0 0 24px;font-size:28px;color:#333;border-bottom:2px solid #eee;padding-bottom:12px}.control-panel-modal .control-panel-content h3{margin:0 0 16px;font-size:18px;font-weight:600;color:#555}.control-panel-modal .control-panel-content h4{margin:0 0 8px;font-size:14px;font-weight:600}.two-column-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:24px}@media (max-width: 900px){.two-column-layout{grid-template-columns:1fr;gap:0}}.left-column,.right-column{min-width:0}.control-panel-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:32px;color:#666;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s ease;line-height:1;padding:0}.control-panel-close:hover{background-color:#f0f0f0;color:#333}.panel-section{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid #eee}.panel-section:last-child{border-bottom:none}.full-width-section{margin-bottom:32px;padding-bottom:24px;border-bottom:2px solid #ddd}.settings-two-column{display:grid;grid-template-columns:1fr 1fr;gap:32px}@media (max-width: 900px){.settings-two-column{grid-template-columns:1fr;gap:0}}.settings-left,.settings-right{min-width:0}.setting-group{margin-bottom:20px}.setting-group>label{display:block;margin-bottom:8px;font-weight:500;font-size:14px;color:#333}.setting-group input[type=number],.setting-group input[type=text]{width:100%;padding:8px 12px;border:2px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s ease}.setting-group input[type=number]:focus,.setting-group input[type=text]:focus{border-color:#4a90e2;outline:none}.radio-group{display:flex;flex-direction:column;gap:10px}.radio-group .radio-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:#555}.radio-group .radio-label input[type=radio]{cursor:pointer;width:18px;height:18px}.radio-group .radio-label:hover{color:#333}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px;color:#333}.form-group input[type=text],.form-group select{width:100%;padding:10px 12px;border:2px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s ease}.form-group input[type=text]:focus,.form-group select:focus{border-color:#4a90e2;outline:none}.form-group select{cursor:pointer;background-color:#fff}.button-group{display:flex;gap:10px}.button-group button{flex:1}.seated-members-list{max-height:300px;overflow-y:auto;margin-top:16px;margin-bottom:16px}.seated-members-list .voice-group{margin-bottom:16px}.seated-members-list .voice-group .voice-header{padding:6px 10px;border-radius:4px;margin-bottom:8px;color:#fff;font-size:13px;font-weight:600}.seated-members-list .voice-group ul{list-style:none;padding:0;margin:0}.seated-members-list .voice-group .member-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background-color:#f9f9f9;margin-bottom:4px;border-radius:4px;transition:background-color .2s ease}.seated-members-list .voice-group .member-item:hover{background-color:#f0f0f0}.seated-members-list .voice-group .member-item .member-name{font-size:14px;color:#333}.seated-members-list .voice-group .member-item .btn-remove{background:none;border:none;color:#dc3545;font-size:24px;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.seated-members-list .voice-group .member-item .btn-remove:hover{background-color:#dc3545;color:#fff}.seated-members-list .empty-message{text-align:center;color:#999;font-size:14px;font-style:italic;padding:20px}.btn-add-seating{width:100%;margin-bottom:8px}.btn-clear-seating{width:100%;margin-top:8px}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0009;z-index:1002;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease;padding:20px}.modal-content{background-color:#fff;border-radius:12px;box-shadow:0 4px 20px #0000004d;max-width:600px;width:100%;max-height:80vh;height:80vh;overflow:hidden;animation:slideUp .3s ease;display:flex;flex-direction:column}.member-icon{position:absolute;display:flex;flex-direction:column;align-items:center;cursor:grab;-webkit-user-select:none;user-select:none;transform:translate(-50%,-50%);transition:transform .1s ease;z-index:10}.member-icon:active{cursor:grabbing;z-index:100}.member-icon.selected svg{filter:drop-shadow(0 0 8px rgba(0,0,0,.5))}.member-icon.selected .member-name{font-weight:700;text-shadow:0 0 4px rgba(0,0,0,.3)}.member-icon:hover{transform:translate(-50%,-50%) scale(1.05)}.member-icon:hover svg{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.member-icon svg{display:block;filter:drop-shadow(0 1px 2px rgba(0,0,0,.1));transition:filter .2s ease}.member-icon .member-name{margin-top:4px;color:#333;text-align:center;white-space:nowrap;max-width:120px;overflow:hidden;text-overflow:ellipsis;background-color:#ffffffe6;padding:2px 6px;border-radius:3px;transition:all .2s ease}.member-icon .remove-button{position:absolute;top:-8px;right:-8px;width:24px;height:24px;min-width:22px;min-height:22px;padding:0;border:none;border-radius:50%;background-color:#dc3545;color:#fff;font-size:24px;font-weight:700;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0003;transition:all .2s ease;opacity:0;pointer-events:none;z-index:200}.member-icon .remove-button:hover{background-color:#c82333;transform:scale(1.1)}.member-icon .remove-button:active{transform:scale(.95)}.member-icon:hover .remove-button,.member-icon.selected .remove-button{opacity:1;pointer-events:all}.choir-stage-view{position:relative;width:100vw;height:100vh;background-color:#f5f5f5;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none}.zoom-controls{position:absolute;top:20px;right:20px;z-index:100;display:flex;gap:8px;align-items:center;background-color:#fff;padding:8px 12px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.zoom-controls button{background-color:#007bff;color:#fff;border:none;border-radius:4px;padding:6px 12px;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .2s}.zoom-controls button:hover{background-color:#0056b3}.zoom-controls button:active{background-color:#004085}.zoom-controls button[title="Reset View"]{background-color:#6c757d}.zoom-controls button[title="Reset View"]:hover{background-color:#5a6268}.zoom-controls button[title="Reset View"]:active{background-color:#545b62}.zoom-controls .zoom-level{font-size:14px;font-weight:600;color:#333;min-width:50px;text-align:center}.stage-content{position:absolute;top:0;left:0;width:100%;height:100%;transition:transform .1s ease-out;will-change:transform;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.center-line{position:absolute;left:50%;width:2px;background-color:#ccc;transform:translate(-50%);z-index:1;pointer-events:none}.conductor-position{position:absolute;top:8%;left:50%;transform:translate(-50%);z-index:5;pointer-events:none}.conductor-position .conductor-icon{display:flex;align-items:center;justify-content:center}.piano-position{position:absolute;top:8%;z-index:5;pointer-events:none}.piano-position.piano-left{left:5%}.piano-position.piano-right{right:5%}.piano-position .piano-icon{display:flex;align-items:center;justify-content:center}.members-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10}.centre-label{position:absolute;left:50%;transform:translate(-50%);font-size:24px;font-weight:700;color:#333;letter-spacing:4px;z-index:5;pointer-events:none;text-shadow:1px 1px 2px rgba(255,255,255,.8)}.orphaned-members-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.orphaned-members-dialog{background:#fff;border-radius:8px;box-shadow:0 4px 20px #00000026;max-width:600px;width:100%;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.orphaned-members-dialog .dialog-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #e0e0e0}.orphaned-members-dialog .dialog-header h2{margin:0;font-size:1.5rem;color:#333}.orphaned-members-dialog .dialog-header .btn-close{background:none;border:none;font-size:2rem;line-height:1;color:#666;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.orphaned-members-dialog .dialog-header .btn-close:hover{background-color:#f0f0f0;color:#333}.orphaned-members-dialog .dialog-content{padding:20px;overflow-y:auto;flex:1}.orphaned-members-dialog .dialog-content .dialog-description{margin:0 0 20px;color:#666;line-height:1.5}.orphaned-members-dialog .dialog-content h3{margin:0 0 12px;font-size:1.1rem;color:#333}.orphaned-members-dialog .missing-parts-section{margin-bottom:24px}.orphaned-members-dialog .missing-parts-section .missing-parts-list{margin-bottom:12px;border:1px solid #e0e0e0;border-radius:4px;padding:12px;background-color:#f9f9f9}.orphaned-members-dialog .missing-parts-section .missing-parts-list .missing-part-item{padding:8px 0}.orphaned-members-dialog .missing-parts-section .missing-parts-list .missing-part-item:not(:last-child){border-bottom:1px solid #e0e0e0}.orphaned-members-dialog .missing-parts-section .missing-parts-list .missing-part-item label{display:flex;align-items:center;cursor:pointer;gap:8px}.orphaned-members-dialog .missing-parts-section .missing-parts-list .missing-part-item label input[type=checkbox]{cursor:pointer;width:18px;height:18px}.orphaned-members-dialog .missing-parts-section .missing-parts-list .missing-part-item label .missing-part-name{font-weight:500;color:#333}.orphaned-members-dialog .divider{display:flex;align-items:center;margin:24px 0;color:#999;font-size:.9rem;font-weight:500}.orphaned-members-dialog .divider:before,.orphaned-members-dialog .divider:after{content:"";flex:1;height:1px;background-color:#e0e0e0}.orphaned-members-dialog .divider span{padding:0 16px}.orphaned-members-dialog .reassignment-section .bulk-reassign{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:12px;background-color:#f0f7ff;border-radius:4px;border:1px solid #b3d9ff}.orphaned-members-dialog .reassignment-section .bulk-reassign label{font-weight:500;color:#333;white-space:nowrap}.orphaned-members-dialog .reassignment-section .bulk-reassign select{flex:1;padding:6px 10px;border:1px solid #ccc;border-radius:4px;font-size:.95rem;cursor:pointer}.orphaned-members-dialog .reassignment-section .bulk-reassign select:focus{outline:none;border-color:#4169e1}.orphaned-members-dialog .reassignment-section .members-list{margin-bottom:16px;border:1px solid #e0e0e0;border-radius:4px;max-height:300px;overflow-y:auto}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item{display:flex;align-items:center;justify-content:space-between;padding:12px;gap:12px}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item:not(:last-child){border-bottom:1px solid #e0e0e0}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item:hover{background-color:#f9f9f9}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-info{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-info .member-name{font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-info .member-old-part{color:#999;font-size:.9rem;white-space:nowrap}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-reassign{display:flex;align-items:center;gap:8px;flex-shrink:0}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-reassign .arrow{color:#999;font-size:1.2rem}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-reassign .reassign-select{padding:6px 10px;border:1px solid #ccc;border-radius:4px;font-size:.95rem;cursor:pointer;min-width:120px}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-reassign .reassign-select:focus{outline:none;border-color:#4169e1}.orphaned-members-dialog .reassignment-section .members-list .orphaned-member-item .member-reassign .no-parts-available{color:#999;font-style:italic;font-size:.9rem}.orphaned-members-dialog .dialog-footer{padding:16px 20px;border-top:1px solid #e0e0e0;display:flex;justify-content:flex-end;gap:12px}.orphaned-members-dialog .btn{padding:10px 20px;border:none;border-radius:4px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s}.orphaned-members-dialog .btn.btn-primary{background-color:#4169e1;color:#fff}.orphaned-members-dialog .btn.btn-primary:hover:not(:disabled){background-color:#3557c7}.orphaned-members-dialog .btn.btn-primary:disabled{background-color:#ccc;cursor:not-allowed;opacity:.6}.orphaned-members-dialog .btn.btn-secondary{background-color:#f0f0f0;color:#333}.orphaned-members-dialog .btn.btn-secondary:hover{background-color:#e0e0e0}@media (max-width: 768px){.orphaned-members-dialog{max-width:100%;max-height:100vh;border-radius:0}.orphaned-members-dialog .dialog-content .reassignment-section .bulk-reassign{flex-direction:column;align-items:stretch}.orphaned-members-dialog .dialog-content .reassignment-section .bulk-reassign select{width:100%}.orphaned-members-dialog .dialog-content .reassignment-section .members-list .orphaned-member-item{flex-direction:column;align-items:stretch}.orphaned-members-dialog .dialog-content .reassignment-section .members-list .orphaned-member-item .member-info{margin-bottom:8px}.orphaned-members-dialog .dialog-content .reassignment-section .members-list .orphaned-member-item .member-reassign{justify-content:flex-end}.orphaned-members-dialog .dialog-content .reassignment-section .members-list .orphaned-member-item .member-reassign .reassign-select{flex:1}}.migration-notification-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.migration-notification{background:#fff;border-radius:12px;box-shadow:0 8px 32px #0003;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.migration-notification-header{padding:24px 24px 16px;border-bottom:1px solid #e0e0e0}.migration-notification-header h2{margin:0;font-size:24px;color:#2e7d32;display:flex;align-items:center;gap:8px}.migration-notification-content{padding:24px}.migration-notification-content>p{margin:0 0 20px;font-size:16px;line-height:1.5;color:#333}.migration-stats{background:#f5f5f5;border-radius:8px;padding:16px;margin-bottom:20px}.migration-stat{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.migration-stat:not(:last-child){border-bottom:1px solid #e0e0e0}.migration-stat .stat-label{font-weight:500;color:#666}.migration-stat .stat-value{font-size:20px;font-weight:600;color:#2e7d32}.migration-info{background:#e3f2fd;border-left:4px solid #2196f3;border-radius:4px;padding:16px}.migration-info p{margin:0 0 12px;font-weight:600;color:#1565c0}.migration-info ul{margin:0;padding-left:20px}.migration-info ul li{margin:8px 0;color:#333;line-height:1.4}.migration-notification-footer{padding:16px 24px;border-top:1px solid #e0e0e0;display:flex;justify-content:flex-end}.migration-notification-footer .btn-primary{background:#2e7d32;color:#fff;border:none;padding:10px 24px;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;transition:background .2s}.migration-notification-footer .btn-primary:hover{background:#1b5e20}.migration-notification-footer .btn-primary:active{transform:scale(.98)}@media (max-width: 768px){.migration-notification{max-width:100%;margin:0;border-radius:0;max-height:100vh}.migration-notification-header h2{font-size:20px}.migration-notification-content{padding:16px}.migration-notification-content>p{font-size:14px}.migration-stat .stat-value{font-size:18px}}*{margin:0;padding:0;box-sizing:border-box}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;color:#333;line-height:1.6;overflow:hidden}#root{width:100vw;height:100vh;overflow:hidden}.app{width:100vw;height:100vh;overflow:hidden;position:relative}.app-title{position:absolute;top:0;left:70px;right:280px;display:flex;justify-content:center;align-items:center;padding:1rem .5rem;background:linear-gradient(180deg,#fffffff2,#fffc);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;pointer-events:none;box-shadow:0 2px 8px #0000000d}.app-title h1{margin:0;font-size:20px;font-weight:600;color:#333;letter-spacing:-.5px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media (max-width: 768px){.app-title{left:60px;right:160px}.app-title h1{font-size:16px}}@media (max-width: 480px){.app-title{left:55px;right:140px}.app-title h1{font-size:14px}}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .3s ease}button:disabled{opacity:.6;cursor:not-allowed}input,select{font-family:inherit;outline:none;transition:border-color .15s ease}input:focus,select:focus{border-color:#4a90e2}h1,h2,h3,h4,h5,h6{font-weight:600}.btn{padding:.5rem 1rem;border-radius:.5rem;font-size:14px;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background-color:#4a90e2;color:#fff}.btn-primary:hover:not(:disabled){background-color:#2275d7}.btn-secondary{background-color:#7b68ee;color:#fff}.btn-secondary:hover:not(:disabled){background-color:#533ae9}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover:not(:disabled){background-color:#bd2130}.btn-success{background-color:#28a745;color:#fff}.btn-success:hover:not(:disabled){background-color:#1e7e34}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:1.5rem}.loading-container p{font-size:18px;color:#333}.loading-spinner{width:50px;height:50px;border:4px solid rgba(0,0,0,.1);border-top-color:#4a90e2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:1.5rem;padding:2rem;text-align:center}.error-container h2{color:#dc3545;font-size:24px}.error-container p{font-size:16px;color:#333;max-width:600px}.error-container button{padding:1rem 1.5rem;background-color:#4a90e2;color:#fff;border-radius:.5rem;font-size:16px;font-weight:500;margin-top:1rem}.error-container button:hover{background-color:#2275d7}.save-status{position:fixed;top:1rem;right:1rem;padding:.5rem 1rem;background:#fff;border-radius:.5rem;box-shadow:0 2px 8px #0000001a;font-size:14px;font-weight:500;z-index:1000;display:flex;align-items:center;gap:.25rem;transition:all .3s ease}.save-status-saving{color:#333}.save-status-saved{color:#28a745}.save-status-error{color:#dc3545}