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h3{font-size:1.5rem;font-weight:700;color:var(--color-text);margin-bottom:12px}.limit-modal p{color:var(--color-text-secondary);margin-bottom:8px;line-height:1.6}@media(max-width:768px){.scroll-down-btn{bottom:120px;right:16px}}@media(min-width:769px){.ask-page-container{left:240px;right:0;bottom:0;width:calc(100% - 240px)}}.discover-page{position:fixed;inset:0 0 64px;background:var(--color-bg);display:flex;flex-direction:column;overflow:hidden}.discover-header{padding:16px;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0}.discover-title{font-size:2rem;font-weight:700;margin-bottom:16px;color:var(--color-text)}.search-container{display:flex;gap:8px}.search-bar{flex:1;display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--color-surface-alt);border:1px solid 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ease}.paper-post:active{background:var(--color-surface-alt)}.paper-category{display:inline-block;font-size:.75rem;color:var(--color-text-secondary);margin-bottom:8px;font-weight:600;text-transform:uppercase}.paper-title{font-size:1.05rem;font-weight:600;line-height:1.4;margin:0 0 8px;color:var(--color-text)}.paper-authors{font-size:.85rem;color:var(--color-text-secondary);margin:0 0 8px}.paper-summary{color:var(--color-text);line-height:1.5;margin:0 0 8px;font-size:.9rem}.paper-date{font-size:.8rem;color:var(--color-text-secondary);margin-bottom:12px}.paper-actions{display:flex;gap:12px}.paper-action-btn{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--color-text-secondary);background:transparent;border:none;cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent}.paper-action-btn:active,.paper-action-btn.bookmarked{color:var(--color-text)}.paper-divider{height:1px;background:var(--color-border)}.loading-container{display:flex;flex-direction:column}.paper-skeleton{padding:16px;border-bottom:1px solid var(--color-border)}.skeleton-category,.skeleton-title,.skeleton-text,.skeleton-footer{background:var(--color-surface-alt);border-radius:4px;animation:pulse 1.5s ease-in-out 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var(--color-border);border-radius:12px;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.share-option-btn:active{background:var(--color-surface-alt);transform:scale(.95)}.share-option-btn span{font-size:.75rem;color:var(--color-text);font-weight:500}.share-option-btn.whatsapp{color:#25d366}.share-option-btn.telegram{color:#08c}.share-option-btn.twitter{color:#000}.share-option-btn.reddit{color:#ff4500}.share-option-btn.facebook{color:#1877f2}.share-option-btn.linkedin{color:#0a66c2}.share-option-btn.email{color:#ea4335}.share-option-btn.copy{color:var(--color-text-secondary)}.not-found-modal,.limit-modal{background:var(--color-surface);border-radius:16px;padding:32px;max-width:400px;width:100%;text-align:center}.not-found-modal h3,.limit-modal h3{font-size:1.5rem;font-weight:700;color:var(--color-text);margin-bottom:12px}.not-found-modal p,.limit-modal p{color:var(--color-text-secondary);margin-bottom:8px;line-height:1.6}.subtitle{font-weight:600;color:var(--color-text);margin-top:16px!important}.not-found-modal ul{text-align:left;margin:16px 0 24px 24px;color:var(--color-text-secondary)}.not-found-modal li{margin:8px 0}.modal-actions{display:flex;gap:12px;margin-top:24px}.modal-btn{flex:1;padding:14px 24px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease;border:none;-webkit-tap-highlight-color:transparent}.modal-btn.primary{background:var(--color-text);color:var(--color-bg)}.modal-btn.primary:active{opacity:.8}.modal-btn.secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.modal-btn.secondary:active{background:var(--color-surface-alt)}@media(max-width:640px){.share-options{grid-template-columns:repeat(3,1fr);gap:12px}.share-option-btn{padding:12px 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h3{font-size:1.25rem;font-weight:700;color:var(--color-text);margin:0}.shots-close-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:background .2s ease;min-width:36px;min-height:36px}.shots-close-btn:hover{background:var(--color-surface-alt)}.shots-options{padding:16px 24px 24px;display:flex;flex-direction:column;gap:4px}.shots-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:10px;cursor:pointer;transition:background .2s ease;-webkit-user-select:none;user-select:none}.shots-option:hover{background:var(--color-surface-alt)}.shots-option input[type=radio]{position:absolute;opacity:0;cursor:pointer}.shots-radio{width:20px;height:20px;border:2px solid var(--color-border);border-radius:50%;position:relative;flex-shrink:0;transition:all .2s ease}.shots-option 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solid var(--color-border)}.explain-modal-header h3{font-size:1.25rem;font-weight:700;color:var(--color-text);margin:0}.explain-close-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s ease;-webkit-tap-highlight-color:transparent}.explain-close-btn:active{background:var(--color-surface-alt)}.explain-modal-body{flex:1;overflow-y:auto;padding:24px}.explain-section{margin-bottom:20px}.explain-section:last-child{margin-bottom:0}.explain-section h4{font-size:1rem;font-weight:600;color:var(--color-text);margin:0 0 8px}.explain-section p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.6;margin:0;white-space:pre-line}.explain-modal-footer{padding:16px 24px;border-top:1px solid var(--color-border)}.explain-btn-close{width:100%;padding:14px;background:var(--color-text);color:var(--color-bg);border:none;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s ease;-webkit-tap-highlight-color:transparent}.explain-btn-close:active{opacity:.8}.quantum-ide{position:fixed;inset:0 0 64px;display:flex;flex-direction:column;background:var(--color-bg);overflow:hidden}.disclaimer-modal,.rename-modal{background:var(--color-surface);border-radius:16px;padding:32px;max-width:500px;width:100%;box-shadow:0 20px 60px #00000080}.disclaimer-modal h2,.rename-modal h3{font-size:1.5rem;font-weight:700;margin-bottom:16px;color:var(--color-text)}.disclaimer-modal p{color:var(--color-text-secondary);line-height:1.6;margin-bottom:12px}.cta-text{font-weight:600;color:var(--color-text)!important;font-size:1.1rem;margin-top:20px!important}.dismiss-btn{width:100%;padding:14px;background:var(--color-text);color:var(--color-bg);border:none;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;margin-top:24px;transition:opacity .2s ease;min-height:48px}.dismiss-btn:hover{opacity:.8}.rename-input{width:100%;padding:14px 16px;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);font-size:1rem;margin-bottom:20px;min-height:48px}.cancel-btn,.save-btn{flex:1;padding:14px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;min-height:48px}.cancel-btn:hover{background:var(--color-surface-alt)}.save-btn:hover{opacity:.8}.mode-tabs-container{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--color-surface);border-bottom:1px 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.file-name{font-size:.85rem;font-weight:500;color:var(--color-text-secondary);overflow:hidden;text-overflow:ellipsis;max-width:120px}.file-tab.active{background:var(--color-bg);border-color:var(--color-text)}.file-tab.active .file-name{color:var(--color-text)}.rename-file-btn,.close-tab-btn{background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;transition:color .2s ease;flex-shrink:0;border-radius:3px;min-width:24px;min-height:24px}.rename-file-btn:hover{color:var(--color-text);background:var(--color-surface-alt)}.close-tab-btn:hover{color:var(--color-danger);background:#ef44441a}.add-tab-btn{background:transparent;border:1px dashed var(--color-border);color:var(--color-text-secondary);cursor:pointer;padding:6px 10px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s 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ease;white-space:nowrap;min-height:40px}.view-option:hover{color:var(--color-text);background:var(--color-surface-alt)}.view-option.active{background:var(--color-text);color:var(--color-bg)}.results-visualization{flex:1;padding:32px 24px;overflow-y:auto}.table-view{overflow-x:auto}.results-table{width:100%;border-collapse:collapse;background:var(--color-surface);border-radius:12px;overflow:hidden}.results-table th,.results-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--color-border)}.results-table th{font-weight:700;color:var(--color-text);background:var(--color-surface-alt);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.results-table td{color:var(--color-text-secondary);font-size:1rem;font-weight:500}.state-cell{font-family:Courier New,monospace;font-weight:700;color:var(--color-text)!important;font-size:1.1rem}.results-table tbody tr:hover{background:var(--color-surface-alt)}.results-page-actions{display:flex;gap:16px;padding:24px;border-top:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;position:sticky;bottom:0}.export-results-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 24px;background:var(--color-surface-alt);border:1px solid var(--color-border);color:var(--color-text);font-size:1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all .2s ease;min-height:56px}.export-results-btn:hover{background:var(--color-surface);border-color:var(--color-text)}.explain-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 24px;background:var(--color-text);color:var(--color-bg);border:none;font-size:1rem;font-weight:700;border-radius:12px;cursor:pointer;transition:all .2s ease;min-height:56px}.explain-btn:hover{opacity:.85;transform:translateY(-2px);box-shadow:0 4px 12px #0003}[data-theme=dark] .explain-btn{background:var(--color-bg);color:var(--color-text);border:2px solid var(--color-text)}[data-theme=light] .explain-btn{background:#000;color:#fff}@media(max-width:768px){.mode-tabs-container{padding:6px 10px}.file-tabs{padding:4px 10px}.controls-bar{padding:6px 10px}.run-btn{padding:6px 16px;min-height:32px}.shots-btn,.clear-btn{padding:6px 12px;min-height:32px}.results-page-actions{flex-direction:column}}@media(min-width:769px){.quantum-ide{left:240px;right:0;bottom:0;width:calc(100% - 240px)}}.confirm-overlay{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:2500;padding:20px;animation:fadeIn .2s ease}.confirm-modal{background:var(--color-surface);border-radius:16px;padding:32px;max-width:400px;width:100%;box-shadow:0 20px 60px #00000080;animation:scaleIn .25s ease}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.confirm-title{font-size:1.5rem;font-weight:700;color:var(--color-text);margin:0 0 12px}.confirm-message{font-size:.95rem;color:var(--color-text-secondary);line-height:1.6;margin:0 0 24px}.confirm-actions{display:flex;gap:12px}.confirm-cancel-btn,.confirm-confirm-btn{flex:1;padding:14px 24px;border:none;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease;min-height:48px;-webkit-tap-highlight-color:transparent}.confirm-cancel-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.confirm-cancel-btn:active{background:var(--color-surface-alt)}.confirm-confirm-btn.danger,.confirm-confirm-btn.warning{background:#ef4444;color:#fff}.confirm-confirm-btn.danger:active,.confirm-confirm-btn.warning:active{background:#dc2626}@media(max-width:480px){.confirm-modal{padding:24px}.confirm-actions{flex-direction:column}}.profile-page{position:fixed;inset:0 0 64px;background:var(--color-bg);overflow-y:auto;-webkit-overflow-scrolling:touch}.profile-content{max-width:600px;margin:0 auto;padding:32px 16px 80px}.avatar-skeleton,.avatar-skeleton-small{background:linear-gradient(90deg,var(--color-surface-alt) 25%,var(--color-surface) 50%,var(--color-surface-alt) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:50%}.avatar-skeleton{width:120px;height:120px}.avatar-skeleton-small{width:60px;height:60px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.profile-header{margin-bottom:32px}.avatar-section{display:flex;align-items:center;gap:24px;margin-bottom:24px}.user-info{flex:1}.user-name{font-size:1.75rem;font-weight:700;margin-bottom:4px;color:var(--color-text)}.user-email-row{display:flex;align-items:center;gap:8px;margin-bottom:16px}.user-email{color:var(--color-text-secondary);margin:0;font-size:.9rem}.email-toggle-btn{background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:4px;border-radius:6px;transition:color .2s ease;-webkit-tap-highlight-color:transparent;flex-shrink:0}.email-toggle-btn:active{color:var(--color-text)}.edit-profile-btn{background:transparent;color:var(--color-text);border:1px solid var(--color-border);padding:8px 16px;border-radius:20px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.edit-profile-btn:active{background:var(--color-surface-alt)}.settings-section{display:flex;flex-direction:column;gap:24px}.section-title{font-size:1.5rem;font-weight:600;margin-bottom:8px;color:var(--color-text)}.appearance-section{padding:20px 0}.setting-title{font-size:1.125rem;font-weight:600;margin-bottom:16px;color:var(--color-text)}.theme-options{display:flex;gap:8px}.theme-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--color-surface-alt);border:2px solid transparent;border-radius:10px;cursor:pointer;transition:border-color .2s ease;-webkit-tap-highlight-color:transparent}.theme-option:active{background:var(--color-surface)}.theme-option.active{border-color:var(--color-text)}.theme-icon{color:var(--color-text)}.theme-label{font-size:.75rem;font-weight:500;color:var(--color-text);white-space:nowrap}.theme-check{width:16px;height:16px;border-radius:50%;background:var(--color-text);display:flex;align-items:center;justify-content:center}.check-dot{width:6px;height:6px;border-radius:50%;background:var(--color-bg)}.settings-list{border-top:1px solid var(--color-border)}.menu-item{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--color-border);cursor:pointer;transition:opacity .2s ease;-webkit-tap-highlight-color:transparent}.menu-item:last-child{border-bottom:none}.menu-item:active{opacity:.7}.menu-item-left{display:flex;align-items:center;gap:12px}.menu-icon{color:var(--color-text-secondary)}.menu-label{font-weight:500;color:var(--color-text)}.menu-label.danger{color:var(--color-danger)}.menu-item-right{display:flex;align-items:center}.chevron{color:var(--color-text-secondary)}.full-page-view{position:fixed;inset:0 0 64px;background:var(--color-bg);z-index:1500;overflow-y:auto}.page-header{display:flex;align-items:center;gap:16px;padding:16px;background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:10}.back-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;-webkit-tap-highlight-color:transparent}.back-btn:active{opacity:.7}.page-header h2{font-size:1.25rem;font-weight:600;color:var(--color-text);margin:0}.page-content{padding:24px 16px 80px;max-width:600px;margin:0 auto}.privacy-item{display:flex;align-items:center;gap:16px;padding:16px 0;cursor:pointer;transition:opacity .2s ease;border-bottom:1px solid var(--color-border);-webkit-tap-highlight-color:transparent}.privacy-item:active{opacity:.7}.privacy-item.version-item{cursor:default;opacity:1}.privacy-icon{color:var(--color-text-secondary);flex-shrink:0}.privacy-info{flex:1}.privacy-info h3{font-size:1rem;font-weight:600;color:var(--color-text);margin:0 0 4px}.privacy-info p{font-size:.85rem;color:var(--color-text-secondary);margin:0}.privacy-arrow{color:var(--color-text-secondary);flex-shrink:0}.support-intro{color:var(--color-text-secondary);line-height:1.6;margin-bottom:24px;font-size:.95rem}.email-card{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;margin-bottom:12px}.email-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.email-icon{color:var(--color-text-secondary);flex-shrink:0}.email-info span{color:var(--color-text);font-size:.9rem;word-break:break-all}.email-copy-btn{padding:8px;background:transparent;color:var(--color-text-secondary);border:none;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;flex-shrink:0;min-width:40px;min-height:40px;-webkit-tap-highlight-color:transparent}.email-copy-btn:active{background:var(--color-surface-alt);color:var(--color-text)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.modal-content{background:var(--color-surface);border-radius:16px;max-width:500px;width:100%;max-height:85vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:24px 24px 20px;border-bottom:1px solid var(--color-border)}.modal-header h2{font-size:1.5rem;font-weight:600;margin:0;color:var(--color-text)}.close-modal-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;font-size:2rem;line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.close-modal-btn:active{opacity:.7}.modal-body{padding:24px}.form-group{margin-bottom:24px}.form-group label{display:block;font-size:.875rem;font-weight:600;color:var(--color-text);margin-bottom:8px}.modal-input{width:100%;padding:12px 16px;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);font-size:1rem}.modal-input:focus{outline:none;border-color:var(--color-text)}.avatar-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.avatar-option{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--color-surface-alt);border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s ease;padding:8px;-webkit-tap-highlight-color:transparent}.avatar-option:active{background:var(--color-surface)}.avatar-option.selected{border-color:var(--color-text);background:var(--color-surface)}.modal-footer{display:flex;gap:12px;padding:20px 24px 24px;border-top:1px solid var(--color-border)}.cancel-btn,.save-btn{flex:1;padding:12px 24px;border-radius:8px;font-weight:500;font-size:1rem;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.cancel-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.cancel-btn:active{background:var(--color-surface-alt)}.save-btn{background:var(--color-text);color:var(--color-bg);border:none}.save-btn:active{opacity:.8}.social-section{margin-top:24px;padding:24px 0;text-align:center}.section-subtitle{font-size:1rem;font-weight:600;color:var(--color-text);margin-bottom:16px}.social-buttons{display:flex;justify-content:center;gap:16px}.social-btn{width:56px;height:56px;border-radius:50%;border:1px solid var(--color-border);background:var(--color-surface-alt);color:#999;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.social-btn:active{transform:scale(.95);background:var(--color-border)}.profile-footer{margin-top:32px;padding:24px 0;text-align:center;border-top:1px solid var(--color-border)}.footer-text{font-size:.9rem;color:var(--color-text-secondary);font-style:italic;margin:0}.privacy-item.clickable{cursor:pointer;transition:background .2s ease}.privacy-item.clickable:active{background:var(--color-surface-alt)}@media(max-width:640px){.profile-content{padding:24px 16px 80px}.avatar-section{flex-direction:column;text-align:center;gap:16px}.user-email-row{justify-content:center}.avatar-grid{grid-template-columns:repeat(4,1fr)}.social-section{margin-top:16px}.social-btn{width:48px;height:48px}.profile-footer{margin-top:24px;padding:20px 0}}@media(max-width:380px){.avatar-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:769px){.profile-page,.full-page-view{left:240px;right:0;bottom:0;width:calc(100% - 240px)}}.chat-history-page{position:fixed;inset:0 0 64px;background:var(--color-bg);display:flex;flex-direction:column;z-index:1500;overflow:hidden}.history-header{display:flex;align-items:center;gap:16px;padding:16px;background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-shrink:0}.back-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:8px;min-width:44px;min-height:44px;-webkit-tap-highlight-color:transparent}.back-btn:active{background:var(--color-surface-alt)}.history-header h2{font-size:1.25rem;font-weight:600;color:var(--color-text);margin:0}.history-content{flex:1;overflow-y:auto}.empty-history{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;text-align:center;color:var(--color-text-secondary);padding:24px}.empty-icon{color:var(--color-text-secondary);opacity:.5}.empty-history p{font-size:1.1rem;font-weight:500;margin:0;color:var(--color-text)}.empty-history span{font-size:.9rem}.chats-feed{display:flex;flex-direction:column}.chat-post{display:flex;justify-content:space-between;align-items:flex-start;padding:16px;background:var(--color-bg);transition:background .2s ease;cursor:pointer}.chat-post:active{background:var(--color-surface-alt)}.chat-post-content{flex:1;min-width:0;padding-right:12px}.chat-post-title{font-size:1rem;font-weight:600;color:var(--color-text);margin:0 0 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-post-preview{font-size:.9rem;color:var(--color-text-secondary);margin:0 0 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-post-time{font-size:.8rem;color:var(--color-text-secondary)}.chat-post-actions{display:flex;gap:8px;flex-shrink:0}.chat-post-btn{background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:background .2s ease;min-width:36px;min-height:36px;-webkit-tap-highlight-color:transparent}.chat-post-btn:active{background:var(--color-surface-alt)}.chat-divider{height:1px;background:var(--color-border);margin:0}.modal-overlay{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.rename-modal{background:var(--color-surface);border-radius:16px;padding:24px;max-width:400px;width:100%;box-shadow:0 20px 60px #00000080}.rename-modal h3{font-size:1.25rem;font-weight:700;margin-bottom:16px;color:var(--color-text)}.rename-input{width:100%;padding:12px 16px;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);font-size:1rem;margin-bottom:20px;min-height:48px}.rename-input:focus{outline:none;border-color:var(--color-text)}.modal-actions{display:flex;gap:12px}.modal-cancel-btn,.modal-save-btn{flex:1;padding:12px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;min-height:48px;-webkit-tap-highlight-color:transparent}.modal-cancel-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.modal-cancel-btn:active{background:var(--color-surface-alt)}.modal-save-btn{background:var(--color-text);color:var(--color-bg);border:none}.modal-save-btn:active{opacity:.8}@media(max-width:640px){.chat-post{padding:12px 16px}.chat-post-title{font-size:.95rem}.chat-post-preview{font-size:.85rem}.chat-post-actions{gap:4px}.chat-post-btn{min-width:32px;min-height:32px}}@media(min-width:769px){.chat-history-page{left:240px;right:0;bottom:0;width:calc(100% - 240px)}}.bookmarks-page{position:fixed;inset:0 0 64px;background:var(--color-bg);display:flex;flex-direction:column;z-index:1500;overflow:hidden}.bookmarks-header{display:flex;align-items:center;gap:16px;padding:16px;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0}.back-btn{background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;transition:opacity .2s ease;border-radius:8px;min-width:44px;min-height:44px}.back-btn:hover{opacity:.7;background:var(--color-surface-alt)}.bookmarks-header h2{font-size:1.25rem;font-weight:600;color:var(--color-text);margin:0}.bookmarks-content{flex:1;overflow-y:auto;padding:16px}.empty-bookmarks{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:8px;text-align:center;color:var(--color-text-secondary)}.empty-bookmarks p{font-size:1.1rem;font-weight:500;margin:0}.empty-bookmarks span{font-size:.9rem}.bookmarks-list{display:flex;flex-direction:column;gap:16px;max-width:800px;margin:0 auto}.bookmark-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:16px;transition:all .2s ease}.bookmark-item:hover{background:var(--color-surface-alt)}.bookmark-info{margin-bottom:12px}.bookmark-category{display:inline-block;font-size:.75rem;color:var(--color-text-secondary);text-transform:uppercase;font-weight:600;margin-bottom:8px}.bookmark-title{font-size:1.1rem;font-weight:600;color:var(--color-text);margin:0 0 8px;line-height:1.4}.bookmark-authors{font-size:.85rem;color:var(--color-text-secondary);margin:0 0 8px}.bookmark-summary{font-size:.9rem;color:var(--color-text);line-height:1.5;margin:0 0 8px}.bookmark-date{font-size:.8rem;color:var(--color-text-secondary)}.bookmark-actions{display:flex;gap:8px}.bookmark-action-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;text-decoration:none;min-width:36px;min-height:36px}.bookmark-action-btn:hover{background:var(--color-surface-alt);color:var(--color-text)}.bookmark-action-btn.delete-btn:hover{background:#ef44441a;color:#ef4444;border-color:#ef4444}@media(max-width:640px){.bookmark-item{padding:12px}.bookmark-title{font-size:1rem}}@media(min-width:769px){.bookmarks-page{left:240px;right:0;bottom:0;width:calc(100% - 240px)}}.auth-page{position:fixed;inset:0;background:var(--color-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px 20px;overflow-y:auto}.auth-container{width:100%;max-width:400px;position:relative}.glass-logo{text-align:center;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#8b5cf61a,#3b82f61a);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(128,128,128,.3);padding:12px 24px;border-radius:50px;display:inline-block;color:var(--color-text)}.back-to-login{position:absolute;top:-60px;left:0;background:transparent;border:none;color:var(--color-text);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s ease;-webkit-tap-highlight-color:transparent}.back-to-login:active{background:var(--color-surface-alt)}.auth-title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:48px;text-align:center}.auth-form{display:flex;flex-direction:column;gap:16px}.error-message{padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:50px;color:#ef4444;font-size:.9rem;text-align:center}.success-message{padding:12px 16px;background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:50px;color:#10b981;font-size:.9rem;text-align:center}.input-group{position:relative;display:flex;align-items:center;border-radius:50px;padding:4px 16px;transition:border-color .2s ease,box-shadow .2s ease;background:#fff;border:1.5px solid #c4c4c4}[data-theme=dark] .input-group{background:#1a1a1a;border:1.5px solid #333333}.input-group:focus-within{border-color:#888;box-shadow:0 0 0 3px #80808026}[data-theme=dark] .input-group:focus-within{border-color:#fff;box-shadow:0 0 0 3px #ffffff1a}.input-icon{color:var(--color-text-secondary);flex-shrink:0;margin-right:12px}.auth-input{flex:1;padding:14px 0;background:transparent;border:none;color:var(--color-text);font-size:1rem;min-width:0}.auth-input:focus{outline:none}.auth-input::placeholder{color:var(--color-text-secondary)}.toggle-password-inside{background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease;-webkit-tap-highlight-color:transparent;flex-shrink:0;margin-left:4px;position:relative;z-index:1}.toggle-password-inside:active{background:#80808033}.auth-submit-btn{padding:16px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s ease;margin-top:8px;-webkit-tap-highlight-color:transparent;background:#000;color:#fff;border:1.5px solid #000000}[data-theme=dark] .auth-submit-btn{background:#fff;color:#000;border:1.5px solid #ffffff}.auth-submit-btn:active:not(:disabled){opacity:.8}.auth-submit-btn:disabled{opacity:.5;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:16px;margin:8px 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#c4c4c4}[data-theme=dark] .auth-divider:before,[data-theme=dark] .auth-divider:after{background:#333}.auth-divider span{color:var(--color-text-secondary);font-size:.85rem;font-weight:500}.auth-secondary-btn{padding:16px;background:transparent;color:#000;border:1.5px solid #c4c4c4;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;-webkit-tap-highlight-color:transparent}[data-theme=dark] .auth-secondary-btn{color:#fff;border-color:#333}.auth-secondary-btn:active{background:var(--color-surface-alt)}.forgot-password-btn{padding:12px;background:transparent;border:none;color:var(--color-text-secondary);font-size:.9rem;cursor:pointer;text-align:center;transition:color .2s ease;-webkit-tap-highlight-color:transparent}.forgot-password-btn:active{color:var(--color-text)}.auth-footer{margin-top:32px;text-align:center;padding:0 20px}.auth-footer-text{font-size:.85rem;color:var(--color-text-secondary);line-height:1.6}.auth-footer-text a{color:var(--color-text);text-decoration:underline;font-weight:500}.auth-footer-text a:active{opacity:.7}@media(max-width:480px){.auth-title{font-size:1.75rem;margin-bottom:40px}.auth-input{font-size:16px}.glass-logo{font-size:1.25rem}}@media(min-width:769px){.auth-page{left:0;right:0;width:100%;z-index:1200}}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text;user-select:text}:root{--color-bg-light: #ffffff;--color-surface-light: #ffffff;--color-surface-alt-light: #f5f5f5;--color-text-light: #000000;--color-text-secondary-light: #666666;--color-border-light: #e0e0e0;--color-danger-light: #ef4444;--color-bg-dark: #000000;--color-surface-dark: #000000;--color-surface-alt-dark: #1a1a1a;--color-text-dark: #ffffff;--color-text-secondary-dark: #999999;--color-border-dark: #2a2a2a;--color-danger-dark: #ef4444}button:focus,button:active,a:focus,a:active{outline:none!important;-webkit-tap-highlight-color:transparent!important}.top-navbar{position:fixed;top:0;left:0;right:0;height:60px;background:var(--color-bg);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:1000}.navbar-logo{font-size:1.25rem;font-weight:700;color:var(--color-text)}.navbar-auth-buttons{display:flex;gap:12px}.navbar-btn{padding:8px 24px;border-radius:50px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;-webkit-tap-highlight-color:transparent}.login-btn{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.login-btn:active{background:var(--color-surface-alt)}.signup-btn{background:var(--color-text);color:var(--color-bg)}.signup-btn:active{opacity:.8}.desktop-sidebar{position:fixed;left:0;top:60px;bottom:0;width:240px;background:var(--color-bg);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:900;transition:transform .3s ease}.desktop-sidebar.closed{transform:translate(-100%)}.sidebar-content{flex:1;padding:16px 8px;display:flex;flex-direction:column;gap:4px}.sidebar-item{display:flex;align-items:center;gap:16px;padding:12px 16px;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;border-radius:12px;transition:all .2s ease;font-size:1rem;font-weight:500;-webkit-tap-highlight-color:transparent}.sidebar-item:hover{background:var(--color-surface-alt)}.sidebar-item.active{background:var(--color-surface-alt);color:var(--color-text)}.sidebar-label{flex:1;text-align:left}.app{width:100vw;height:100vh;display:flex;flex-direction:column;background:var(--color-bg)}.app-main{flex:1;overflow:hidden;position:relative;margin-top:60px}.app-main.with-sidebar{margin-left:240px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:64px;background:var(--color-bg);border-top:1px solid var(--color-border);display:flex;justify-content:space-around;align-items:center;z-index:1000;padding:0 16px}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;padding:8px 16px;border-radius:0;transition:color .2s ease;min-width:72px;min-height:56px;flex:1;max-width:100px;-webkit-tap-highlight-color:transparent}.nav-item:active{background:transparent;transform:none}.nav-item.active{color:var(--color-text);background:transparent}.nav-label{font-size:.75rem;font-weight:600}@media(max-width:768px){.top-navbar{padding:0 16px}.navbar-logo{font-size:1.1rem}.navbar-btn{padding:6px 16px;font-size:.85rem}.app-main{margin-left:0!important}.desktop-sidebar{display:none}.bottom-nav{padding:0 8px}.nav-item{min-width:64px;padding:6px 12px}.nav-label{font-size:.7rem}}@media(max-width:480px){.navbar-logo{font-size:1rem}.navbar-btn{padding:6px 12px;font-size:.8rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--color-bg-light: #ffffff;--color-surface-light: #f8f9fa;--color-surface-alt-light: #e9ecef;--color-text-light: #000000;--color-text-secondary-light: #6c757d;--color-border-light: #dee2e6;--color-danger-light: #dc3545;--color-bg-dark: #000000;--color-surface-dark: #1a1a1a;--color-surface-alt-dark: #2a2a2a;--color-text-dark: #ffffff;--color-text-secondary-dark: #9ca3af;--color-border-dark: #333333;--color-danger-dark: #ef4444}[data-theme=light]{--color-bg: var(--color-bg-light);--color-surface: var(--color-surface-light);--color-surface-alt: var(--color-surface-alt-light);--color-text: var(--color-text-light);--color-text-secondary: var(--color-text-secondary-light);--color-border: var(--color-border-light);--color-danger: var(--color-danger-light)}[data-theme=dark]{--color-bg: var(--color-bg-dark);--color-surface: var(--color-surface-dark);--color-surface-alt: var(--color-surface-alt-dark);--color-text: var(--color-text-dark);--color-text-secondary: var(--color-text-secondary-dark);--color-border: var(--color-border-dark);--color-danger: var(--color-danger-dark)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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