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var(--color-border)}.reader-authors{font-size:var(--font-size-base);font-style:italic;margin-bottom:var(--spacing-xs)}.reader-source{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--spacing-xs)}.reader-citations{font-size:var(--font-size-sm);color:var(--color-gray-dark)}.reader-summary{margin:var(--spacing-lg) 0;padding:var(--spacing-md) var(--spacing-lg);border-left:3px solid var(--color-border);background:var(--color-surface)}.reader-summary-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-muted);margin-bottom:var(--spacing-xs);font-family:Courier New,Courier,monospace}.reader-summary-text{font-size:var(--font-size-base);line-height:1.7;color:var(--color-text);margin:0}.reader-body{font-size:var(--font-size-base);line-height:1.8}.content-h1{font-size:var(--font-size-xl);font-weight:700;margin:var(--spacing-xl) 0 var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:2px solid 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0;padding:var(--spacing-md) var(--spacing-lg);border-left:3px solid var(--color-text);background:var(--color-surface)}.reader-ai-badge{display:inline-block;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--color-muted);font-family:Courier New,Courier,monospace;margin-bottom:6px}.reader-ai-summary-text{font-size:15px;line-height:1.6;color:var(--color-text);margin:0;font-style:italic}.reader-takeaways-header{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.reader-ai-loading-badge{display:inline-block;font-size:9px;font-weight:500;text-transform:none;letter-spacing:0;color:var(--color-muted);margin-left:8px;animation:pulse-fade 1.5s ease-in-out infinite}@keyframes pulse-fade{0%,to{opacity:.4}50%{opacity:1}}.reader-analysis-toggle{display:flex;gap:0;border:1px solid var(--color-border);overflow:hidden}.reader-toggle-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 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li:before{content:"—";position:absolute;left:0;color:var(--color-muted)}.reader-deep-highlight{padding:var(--spacing-md) var(--spacing-lg);border-left:3px solid var(--color-text);background:var(--color-surface)}.reader-deep-highlight .reader-deep-text{font-size:14px;font-weight:500}.reader-analysis-error{font-size:12px;color:var(--color-muted);font-style:italic;margin-top:var(--spacing-sm)}.reader-links{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border)}.reader-links-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-muted);margin-bottom:var(--spacing-md);font-family:Courier New,Courier,monospace}.reader-links-grid{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.reader-link-button{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border:1px solid 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768px){.app{padding:var(--spacing-md)}.app-title{font-size:var(--font-size-lg)}.card-stack{height:550px}.article-card{padding:var(--spacing-md)}.card-title{font-size:var(--font-size-base)}.reader-title{font-size:var(--font-size-xl)}.swipe-instructions{flex-direction:column;gap:var(--spacing-sm)}.world-nav{position:fixed;top:12px;left:12px;right:auto;z-index:1001}.world-nav .nav-button{padding:8px 14px;font-size:11px}}@media (max-width: 480px){.card-stack{height:500px}.card-actions{flex-direction:column}.deep-dive-button{font-size:var(--font-size-sm)}.article-card{padding:var(--spacing-sm) var(--spacing-md)}.abstract{font-size:14px;line-height:1.5;max-height:90px;-webkit-mask-image:linear-gradient(to bottom,black 50%,transparent 100%);mask-image:linear-gradient(to bottom,black 50%,transparent 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ease;white-space:nowrap}.suggestions-toggle:hover,.suggestions-toggle.active{border-color:var(--color-border);color:var(--color-text)}.graph-content{display:flex;flex:1;overflow:hidden;min-height:0}.graph-canvas{flex:1;position:relative;overflow:hidden;min-width:0}.connect-mode-banner{position:absolute;top:10px;left:50%;transform:translate(-50%);background:var(--color-text);color:var(--color-bg);padding:12px 20px;border:2px solid var(--color-border);z-index:10;display:flex;align-items:center;gap:15px;font-size:13px}.connect-mode-banner button{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-bg);padding:6px 12px;cursor:pointer;font-weight:600;font-size:12px;transition:all .15s ease}.connect-mode-banner button:hover{opacity:.8}.graph-sidebar{width:400px;border-left:2px solid var(--color-border);padding:20px;overflow-y:auto;background:var(--color-surface);flex-shrink:0}.graph-sidebar h3{margin:0 0 15px;font-size:18px;font-weight:700;line-height:1.4}.article-meta{margin-bottom:20px;font-size:13px;line-height:1.6}.article-meta div{margin-bottom:6px}.article-meta strong{font-weight:600}.article-actions{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}.btn-primary{width:100%;padding:12px;background:var(--color-border);color:var(--color-surface);border:2px solid var(--color-border);font-weight:600;cursor:pointer;font-size:14px}.btn-remove{width:100%;padding:10px;background:var(--color-surface);color:var(--color-muted);border:1px solid var(--color-subtle);font-weight:500;cursor:pointer;font-size:12px;transition:all .15s ease}.btn-remove:hover{color:var(--color-text);border-color:var(--color-border);background:var(--color-surface-hover)}.confirm-remove{border:1px solid var(--color-border);padding:12px;background:var(--color-surface)}.confirm-remove-label{display:block;font-size:12px;color:var(--color-muted);margin-bottom:10px;line-height:1.4}.confirm-remove-actions{display:flex;gap:8px}.btn-confirm-yes{flex:1;padding:8px;background:var(--color-text);color:var(--color-bg);border:2px solid var(--color-border);font-weight:600;font-size:12px;cursor:pointer;transition:all .15s ease}.btn-confirm-yes:hover{background:var(--color-surface);color:var(--color-text)}.btn-confirm-no{flex:1;padding:8px;background:var(--color-surface);color:var(--color-muted);border:1px solid var(--color-subtle);font-weight:500;font-size:12px;cursor:pointer;transition:all .15s ease}.btn-confirm-no:hover{color:var(--color-text);border-color:var(--color-border)}.btn-primary:hover:not(:disabled){background:var(--color-surface);color:var(--color-text)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.connection-settings{margin-bottom:20px;padding:15px;border:2px solid var(--color-border);background:var(--color-surface)}.connect-instruction{font-size:13px;color:var(--color-muted);line-height:1.5;margin-bottom:15px;padding-bottom:12px;border-bottom:1px solid var(--color-subtle)}.connect-instruction em{color:var(--color-text);font-style:normal;font-weight:600}.connection-settings h4{margin:0 0 8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-muted)}.optional-label{font-weight:400;text-transform:none;letter-spacing:0;font-size:11px}.connection-type-group{display:flex;flex-wrap:wrap;gap:0;margin-bottom:15px;border:2px solid var(--color-border)}.connection-type-btn{flex:1;min-width:0;background:var(--color-surface);color:var(--color-text);border:none;border-right:1px solid var(--color-border);padding:8px 6px;font-size:11px;font-weight:500;font-family:Courier New,Courier,monospace;cursor:pointer;transition:all .15s ease;white-space:nowrap}.connection-type-btn:last-child{border-right:none}.connection-type-btn:hover{background:var(--color-surface-hover)}.connection-type-btn.active{background:var(--color-text);color:var(--color-bg);font-weight:700}.connection-settings textarea{width:100%;padding:8px;border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-family:inherit;font-size:13px;resize:vertical}.connection-settings textarea::placeholder{color:var(--color-muted)}.connections-list-section{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--color-subtle)}.connections-list-section h4{margin:0 0 10px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-muted)}.connections-list{display:flex;flex-direction:column;gap:6px}.connection-item{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid 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ease;padding:0}.connection-delete-btn:hover{border-color:var(--color-border);color:var(--color-text);background:var(--color-surface-hover)}.btn-cancel{background:var(--color-surface)!important;color:var(--color-text)!important}.btn-cancel:hover{background:var(--color-surface-hover)!important}.notes-section{margin-bottom:20px;padding-top:20px;border-top:1px solid var(--color-subtle)}.notes-section h4{margin:0 0 12px;font-size:16px;font-weight:600}.add-note{margin-bottom:15px}.add-note textarea{width:100%;padding:10px;border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-family:inherit;font-size:13px;margin-bottom:8px;resize:vertical}.add-note textarea::placeholder{color:var(--color-muted)}.add-note button{width:100%;padding:10px;background:var(--color-surface);color:var(--color-text);border:2px solid var(--color-border);font-weight:600;cursor:pointer;font-size:14px}.add-note button:hover:not(:disabled){background:var(--color-border);color:var(--color-surface)}.add-note button:disabled{opacity:.5;cursor:not-allowed}.notes-list{max-height:200px;overflow-y:auto}.note-item{padding:10px;border:1px solid var(--color-subtle);margin-bottom:8px;background:var(--color-surface)}.note-text{font-size:13px;line-height:1.5;margin-bottom:6px}.note-date{font-size:11px;color:var(--color-muted)}.article-abstract{padding-top:20px;border-top:1px solid var(--color-subtle);padding-bottom:20px}.article-abstract h4{margin:0 0 10px;font-size:14px;font-weight:600}.article-abstract 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