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.5rem;letter-spacing:-2px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.pando-subtitle{font-size:1.1rem;color:var(--text-secondary);margin:0;font-weight:300}.google-style-search-form{width:100%;max-width:584px;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.search-clear-btn{background:none;border:none;padding:0;margin-left:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#dc3545;flex-shrink:0;transition:opacity .2s ease;opacity:.7}.search-clear-btn:hover{opacity:1}.search-clear-btn:focus{outline:none;opacity:1}.search-clear-btn svg{width:20px;height:20px}.google-search-btn:hover:not(:disabled){border-color:var(--border-color);box-shadow:0 1px 1px #0000001a}.google-search-btn:disabled{opacity:.5;cursor:not-allowed}.google-search-sort-select{background:var(--bg-tertiary);border:1px solid transparent;border-radius:4px;padding:.75rem 2.5rem .75rem 1.5rem;font-size:.9rem;color:var(--text-primary);cursor:pointer;transition:all .2s ease;font-family:inherit;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b5d4f' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}.google-search-sort-select:hover{border-color:var(--border-color);box-shadow:0 1px 1px #0000001a}.google-search-sort-select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #4a7c591a}[data-theme=dark] .google-search-sort-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 9L1 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var(--border-color);padding-top:1.5rem}.advanced-search-title{font-size:1rem;color:var(--text-primary);margin:0 0 1rem;font-weight:500}.advanced-search-form{display:flex;flex-direction:column;gap:1rem}.advanced-search-field{display:flex;flex-direction:column;gap:.5rem}.advanced-search-label{font-size:.9rem;color:var(--text-secondary);font-weight:500}.advanced-search-input{padding:.75rem;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-tertiary);color:var(--text-primary);font-size:.9rem;font-family:inherit}.advanced-search-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #4a7c591a}.advanced-search-btn{align-self:flex-start;background:var(--accent-color);border:none;border-radius:4px;padding:.75rem 1.5rem;font-size:.9rem;color:#fff;cursor:pointer;transition:all .2s ease;font-family:inherit;font-weight:500}.advanced-search-btn:hover:not(:disabled){background:var(--accent-hover)}.advanced-search-btn:disabled{opacity:.5;cursor:not-allowed}.search-section{margin-top:0;margin-bottom:2rem;padding-top:0}.unified-search-form{margin-bottom:1.5rem}.advanced-search-details{margin-top:1.5rem}.advanced-search-summary{cursor:pointer;padding:.75rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;font-size:1rem;font-weight:500;color:var(--text-primary);transition:all .2s ease;-webkit-user-select:none;user-select:none}.advanced-search-summary:hover{background:var(--bg-secondary);border-color:var(--border-hover)}.advanced-search-details[open] .advanced-search-summary{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:none}.advanced-search-details[open] 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ease}.sort-select{width:100%;padding:1rem 2.5rem 1rem 1.25rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1.1rem;cursor:pointer;transition:all .2s;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b5d4f' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-color:var(--bg-tertiary)}[data-theme=dark] .sort-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 9L1 4h10z'/%3E%3C/svg%3E")}.sort-select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #4a7c591a}.search-btn{background:transparent;border:2px solid #1a5c2e;color:#1a5c2e;padding:.75rem 2rem;border-radius:30px;cursor:pointer;font-size:1.1rem;font-weight:500;transition:all .2s ease;width:100%;margin-top:.5rem}.search-btn:hover:not(:disabled){background:#1a5c2e;color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px #1a5c2e4d}.search-btn:active:not(:disabled){transform:translateY(0) scale(.95)}.search-btn:disabled{opacity:.5;cursor:not-allowed}[data-theme=dark] .search-btn{border-color:#2a7d40;color:#2a7d40}[data-theme=dark] .search-btn:hover:not(:disabled){background:#2a7d40;color:#fff;box-shadow:0 4px 8px #2a7d404d}.auth-error-banner{background:var(--error-bg);border:2px solid var(--error-border);border-radius:8px;padding:1rem 1.5rem;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;animation:slideDown .3s ease-out;transition:background-color .3s ease,border-color .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.auth-error-icon{font-size:1.35rem;color:var(--error-text);transition:color .3s ease}.auth-error-text{color:var(--error-text);font-size:1.05rem;font-weight:500;flex:1;transition:color .3s ease}.papers-list{display:flex;flex-direction:column;gap:.75rem;width:100%}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-secondary);font-size:1.1rem;transition:color .3s ease}.empty-state p{margin:0}@media(max-width:768px){.feed-page{padding:1rem}.feed-header h1{font-size:2rem}.search-inputs,.search-controls{flex-direction:column}.sort-select{width:100%}.search-btn{align-self:stretch;text-align:center}}.tab-context-menu{position:fixed;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 12px #00000026;padding:4px;z-index:10000;min-width:180px;font-size:.875rem}.tab-context-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;border:none;background:none;text-align:left;cursor:pointer;border-radius:4px;color:var(--text-primary);transition:background-color .15s;font-size:.875rem}.tab-context-menu-item:hover{background:var(--bg-tertiary)}.tab-context-menu-item svg{flex-shrink:0;stroke:currentColor}.tab-context-menu-item-danger{color:var(--error-color, #dc3545)}.tab-context-menu-item-danger:hover{background:#dc35451a}.tab-context-menu-divider{height:1px;background:var(--border-color);margin:4px 0}.tab-bar{display:flex;align-items:flex-end;gap:.75rem;max-width:600px;width:calc(100% - 3rem);margin:1.5rem auto 0;padding:10px 1rem 0;-webkit-user-select:none;user-select:none;overflow-x:auto;overflow-y:visible;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:0;position:relative;z-index:10}.tab-bar::-webkit-scrollbar{display:none}.tab-bar-scroll-container{display:flex;flex:1;gap:.75rem;overflow-x:auto;overflow-y:visible;scrollbar-width:none;-ms-overflow-style:none;position:relative;z-index:10}.tab-bar-scroll-container::-webkit-scrollbar{display:none}.tab{display:flex;align-items:center;gap:8px;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-bottom:none;border-radius:12px 12px 0 0;box-shadow:0 1px 3px var(--shadow);color:var(--text-secondary);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;min-width:120px;max-width:240px;position:relative;flex-shrink:0;margin-top:2px;margin-bottom:-1px;z-index:1;isolation:isolate}.tab:hover:not(.tab-active){color:var(--accent-color);background:var(--bg-secondary);border-color:var(--accent-color);box-shadow:0 2px 8px var(--shadow-hover)}.tab-active{color:var(--accent-color);background:var(--bg-primary);border-color:var(--accent-color);border-bottom:1px solid var(--bg-primary);box-shadow:none;z-index:15;margin-bottom:0;margin-top:0}.tab-dragging{opacity:.5;cursor:grabbing}.tab[draggable=true]{cursor:grab}.tab[draggable=true]:active{cursor:grabbing}[data-theme=dark] .tab-active{border-color:var(--accent-color);border-bottom:none}.tab-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.7;transition:opacity .2s}.tab-active .tab-icon{opacity:1}.tab-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2}.tab-edit-input{flex:1;border:1px solid var(--accent-color);background:var(--bg-primary);color:var(--text-primary);font-size:1rem;font-weight:500;padding:2px 4px;border-radius:4px;outline:none;font-family:inherit;min-width:0;max-width:200px}.tab-close-btn{display:flex;align-items:center;justify-content:center;width:20px;height:20px;padding:0;border:none;background:none;cursor:pointer;border-radius:4px;opacity:.6;transition:opacity .2s,background-color .2s;flex-shrink:0;margin-left:4px}.tab-close-btn:hover{opacity:1;background-color:#0000001a}[data-theme=dark] .tab-close-btn:hover{background-color:#ffffff1a}.tab-close-btn svg{width:14px;height:14px;stroke:currentColor}[data-theme=dark] .tab-close-btn svg{stroke:#fff;color:#fff}.new-tab-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid var(--border-color);background:var(--bg-secondary);cursor:pointer;border-radius:12px;transition:all .2s ease;flex-shrink:0;box-shadow:0 1px 3px var(--shadow);margin-top:2px}.new-tab-btn:hover{background:var(--bg-secondary);border-color:var(--accent-color);box-shadow:0 2px 8px var(--shadow-hover);transform:translateY(-2px);margin-top:0}.new-tab-btn:hover svg{color:var(--accent-color)}.new-tab-btn svg{stroke:currentColor;color:var(--text-secondary);width:18px;height:18px}.new-tab-btn:hover svg{color:var(--text-primary)}.tab-content{flex:1;overflow-y:auto}.tab-content-wrapper{animation:fadeIn .2s ease-in}.entity-search{max-width:600px;width:calc(100% - 3rem);margin:0 auto;padding:1.5rem;background:transparent;border:none;box-shadow:none;display:flex;flex-direction:column;align-items:center}.entity-search-header{margin-bottom:1.5rem}.entity-type-selector{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;width:100%}.type-btn{padding:.5rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;box-shadow:0 1px 3px var(--shadow)}.type-btn:hover{background:var(--bg-secondary);border-color:var(--accent-color);color:var(--text-primary);box-shadow:0 2px 4px var(--shadow)}.type-btn.active{background:var(--bg-secondary);border-color:var(--accent-color);color:var(--text-primary);box-shadow:0 1px 3px 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#0003}.entity-search-loading{position:absolute;right:1rem;top:50%;transform:translateY(-50%);color:var(--text-tertiary);font-size:.9rem}.entity-search-results{position:absolute;top:100%;left:0;right:0;margin-top:.25rem;display:flex;flex-direction:column;gap:.75rem;max-height:400px;overflow-y:auto;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 12px #00000026;z-index:100;padding:.5rem}.entity-result-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--bg-secondary);border:none;border-radius:6px;transition:all .2s ease}.entity-result-item:hover{background:var(--bg-secondary);box-shadow:0 2px 4px var(--shadow)}.entity-info{flex:1;min-width:0}.entity-name{font-size:1rem;font-weight:500;color:var(--text-primary);margin-bottom:.25rem;word-wrap:break-word;display:flex;align-items:center;gap:.5rem}.entity-affiliation{font-size:.85rem;color:var(--text-secondary);margin-bottom:.25rem;font-style:italic}.entity-type-badge{font-size:.75rem;font-weight:500;color:var(--text-secondary);background:var(--bg-tertiary);padding:.2rem .5rem;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.entity-meta{font-size:.85rem;color:var(--text-secondary)}.entity-works-count{color:var(--text-tertiary)}.follow-btn{padding:.5rem 1.25rem;background:var(--bg-secondary);border:1px solid var(--accent-color);border-radius:8px;color:var(--accent-color);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;white-space:nowrap;margin-left:1rem}.follow-btn:hover:not(:disabled){background:var(--accent-color);color:#fff}.follow-btn.following{background:var(--accent-color);color:#fff;cursor:not-allowed;opacity:.7}.follow-btn:disabled{cursor:not-allowed}.entity-search-empty{padding:2rem;text-align:center;color:var(--text-secondary);font-style:italic}.followed-entities-list{max-width:600px;width:calc(100% - 3rem);margin:1.5rem auto 2.5rem;padding:0;background:transparent;border:none;box-shadow:none;display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.follow-bubble{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--accent-color);border:1px solid var(--accent-color);border-radius:20px;transition:all .2s ease;box-shadow:0 1px 3px var(--shadow);max-width:100%;box-sizing:border-box}.follow-bubble:hover{background:var(--accent-color);border-color:var(--accent-color);box-shadow:0 2px 4px 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.hint{font-size:.85rem;color:var(--text-tertiary);font-style:italic}.home-page{min-height:100vh;padding-top:4rem;padding-bottom:4rem;box-sizing:border-box;overflow:visible}.home-tabs{display:flex;gap:.75rem;max-width:600px;width:calc(100% - 3rem);margin:0 auto 1.5rem;padding:4px 1rem 0;overflow:visible}.home-tab{flex:1;padding:1rem 1.5rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 1px 3px var(--shadow);color:var(--text-secondary);font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;text-align:center;margin-top:2px}.home-tab:hover{color:var(--accent-color);background:var(--bg-secondary);border-color:var(--accent-color);box-shadow:0 2px 8px var(--shadow-hover);transform:translateY(-2px);margin-top:0}.home-tab.active{color:var(--accent-color);background:var(--bg-secondary);border-color:var(--accent-color);box-shadow:0 2px 6px var(--shadow)}[data-theme=dark] 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