.article-highlight{background-color:rgba(255,230,0,.3);padding:.125rem 0;border-radius:.125rem;transition:background-color .2s ease;position:relative;cursor:pointer}.article-highlight:hover{background-color:rgba(255,230,0,.5)}.article-highlight.highlight-insight{background-color:rgba(59,130,246,.3)}.article-highlight.highlight-insight:hover{background-color:rgba(59,130,246,.5)}.article-highlight.highlight-question{background-color:rgba(245,158,11,.3)}.article-highlight.highlight-question:hover{background-color:rgba(245,158,11,.5)}.article-highlight.highlight-quote{background-color:rgba(16,185,129,.3)}.article-highlight.highlight-quote:hover{background-color:rgba(16,185,129,.5)}.article-highlight.highlight-important{background-color:rgba(239,68,68,.3)}.article-highlight.highlight-important:hover{background-color:rgba(239,68,68,.5)}.article-highlight:after{content:"";position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:3px solid transparent;border-right:3px solid transparent;border-bottom:3px solid rgba(0,0,0,.3);opacity:0;transition:opacity .2s ease}.article-highlight:hover:after{opacity:1}.article-highlight[data-highlight-id]:hover:before{content:"Click to manage highlight";position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background-color:rgba(50,50,50,.9);color:white;font-size:.75rem;padding:.25rem .5rem;border-radius:.25rem;white-space:nowrap;pointer-events:none;opacity:0;animation:fadeIn .2s ease forwards;z-index:1100}.unhighlight-toolbar{background-color:#1a1a1a;animation:fadeIn .15s ease;transition:opacity .15s ease,transform .15s ease}.unhighlight-toolbar.hiding{opacity:0;transform:translateY(-10px) translateX(-50%);pointer-events:none}.highlight-btn-danger{color:#ef4444}.highlight-btn-danger:hover{background-color:rgba(239,68,68,.2)}.highlight-toolbar{background-color:#1a1a1a;border-radius:.375rem;padding:.5rem;box-shadow:0 4px 8px rgba(0,0,0,.15);display:flex;align-items:center;gap:.75rem;animation:scaleIn .15s ease forwards;z-index:1000;-webkit-user-select:none;-moz-user-select:none;user-select:none}.highlight-btn{background-color:transparent;border:none;color:white;font-size:.75rem;font-weight:500;padding:.25rem .5rem;border-radius:.25rem;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:background-color .2s ease}.highlight-btn-main{background-color:rgba(255,230,0,.2);color:rgba(255,230,0,.9)}.highlight-btn-main:hover{background-color:rgba(255,230,0,.3)}.highlight-btn svg{width:1rem;height:1rem}.highlight-btn:hover{background-color:rgba(255,255,255,.1)}.highlight-btn:active{background-color:rgba(255,255,255,.2)}.highlight-color-options{display:flex;flex-direction:column;gap:.5rem;padding:.5rem;background-color:#1a1a1a;border-radius:.5rem;min-width:220px}.highlight-color-label{color:rgba(255,255,255,.8);font-size:.75rem;font-weight:500;margin-bottom:.25rem}.highlight-color-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border:none;border-radius:.375rem;color:white;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s ease;opacity:.9}.highlight-color-btn:hover{opacity:1;transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.2)}.highlight-color-btn:active{transform:translateY(0)}.highlight-icon{font-size:1rem}.highlight-label{font-weight:600}.highlight-btn-cancel{background-color:rgba(255,255,255,.1);color:rgba(255,255,255,.8);margin-top:.25rem}.highlight-btn-cancel:hover{background-color:rgba(255,255,255,.15);color:white}.article-highlight-container{position:relative}.highlight-comment-container{position:absolute;background-color:white;border-radius:.5rem;box-shadow:0 6px 16px rgba(0,0,0,.1);padding:1rem;max-width:300px;z-index:1050;animation:fadeInUp .2s ease forwards}.highlight-comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.highlight-comment-title{font-weight:600;font-size:.9rem;color:#1a1a1a}.highlight-comment-close{background:transparent;border:none;color:#6b7280;cursor:pointer;font-size:1rem;transition:color .2s ease}.highlight-comment-close:hover{color:#1a1a1a}.highlight-comment-text{font-size:.9rem;line-height:1.5;margin-bottom:1rem;color:#4b5563;font-style:italic;padding:.5rem;background-color:#f9fafb;border-radius:.25rem}.highlight-comment-form{display:flex;flex-direction:column;gap:.5rem}.highlight-comment-input{width:100%;resize:none;min-height:80px;padding:.5rem;border:1px solid #e5e7eb;border-radius:.25rem;font-size:.875rem;transition:border-color .2s ease}.highlight-comment-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px rgba(59,130,246,.25)}.highlight-comment-submit{align-self:flex-end;background-color:#1a1a1a;color:white;border:none;border-radius:.25rem;padding:.375rem .75rem;font-size:.875rem;font-weight:500;cursor:pointer;transition:background-color .2s ease}.highlight-comment-submit:hover{background-color:#374151}.highlight-comment-submit:disabled{background-color:#e5e7eb;color:#9ca3af;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:translate(-50%,10px) scale(.95);opacity:0}to{transform:translate(-50%) scale(1);opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.highlight-ai-modal,.highlight-response-modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:grid;place-items:center;z-index:1200;animation:fadeIn .2s ease;padding:1rem;overscroll-behavior:contain}.highlight-modal-content{background-color:white;border-radius:.5rem;padding:1.5rem;width:min(680px,92vw);max-height:90vh;overflow-y:auto;box-shadow:0 10px 25px rgba(0,0,0,.2);position:relative;animation:modalIn .2s ease forwards;margin:0 auto}@keyframes modalIn{0%{transform:translateY(8px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.highlight-modal-close{position:absolute;top:1rem;right:1rem;background:transparent;border:none;font-size:1.5rem;line-height:1;color:#6b7280;cursor:pointer;transition:color .2s}.highlight-modal-close:hover{color:#111827}.highlight-selected-text{margin:1.25rem 0;padding:1rem;background-color:#f9fafb;border-left:3px solid rgba(255,230,0,.7);font-style:italic;color:#4b5563;font-size:.95rem;line-height:1.6;border-radius:.25rem}.highlight-response-input{width:100%;min-height:150px;padding:.75rem;border:1px solid #e5e7eb;border-radius:.375rem;resize:vertical;font-family:inherit;font-size:.95rem;line-height:1.6;margin-bottom:1rem;transition:border-color .2s}.highlight-response-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.1)}.highlight-response-submit{background-color:#1a1a1a;color:white;font-weight:500;padding:.5rem 1.25rem;border:none;border-radius:.375rem;cursor:pointer;float:right;transition:background-color .2s}.highlight-response-submit:hover{background-color:#374151}.highlight-ai-options{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.highlight-ai-options button{background-color:#f3f4f6;color:#374151;font-size:.875rem;font-weight:500;padding:.5rem .875rem;border:none;border-radius:9999px;cursor:pointer;transition:background-color .2s}.highlight-ai-options button:hover{background-color:#e5e7eb}.highlight-ai-response{padding:1rem;background-color:#f9fafb;border-radius:.375rem;min-height:100px}.highlight-ai-output{color:#1f2937}.highlight-ai-output h1,.highlight-ai-output h2,.highlight-ai-output h3{margin:.75rem 0 .5rem}.highlight-ai-output p{margin:.5rem 0;line-height:1.6}.highlight-ai-output ol,.highlight-ai-output ul{padding-left:1.25rem;margin:.5rem 0}.highlight-ai-output li{margin:.25rem 0}.highlight-ai-output a{color:#2563eb;text-decoration:underline}.highlight-ai-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:.75rem}.btn{border:none;border-radius:.375rem;padding:.5rem .875rem;font-weight:600;cursor:pointer}.btn-primary{background-color:#111827;color:#fff}.btn-primary:hover{background-color:#1f2937}.btn-secondary{background-color:#e5e7eb;color:#111827}.btn-secondary:hover{background-color:#d1d5db}.highlight-ai-loading{display:flex;justify-content:center;align-items:center;height:100px;color:#6b7280;font-size:.95rem;font-style:italic;position:relative}.highlight-ai-loading:after{content:"";position:absolute;width:1.25rem;height:1.25rem;top:70%;left:50%;margin-top:-.625rem;margin-left:-.625rem;border-radius:50%;border:2px solid rgba(107,114,128,.3);border-top-color:rgba(107,114,128,.8);animation:spin .8s linear infinite}.highlight-reactions{display:flex;align-items:center;gap:.25rem;margin-top:.5rem;padding:.25rem 0}.highlight-reaction-btn{display:flex;align-items:center;gap:.25rem;padding:.25rem .5rem;border:1px solid rgba(0,0,0,.1);border-radius:1rem;background-color:white;color:#6b7280;font-size:.75rem;cursor:pointer;transition:all .2s ease}.highlight-reaction-btn:hover{background-color:#f3f4f6;border-color:rgba(0,0,0,.2)}.highlight-reaction-btn.active{background-color:#dbeafe;border-color:#3b82f6;color:#3b82f6}.highlight-reaction-emoji{font-size:.875rem}.highlight-reaction-count{font-weight:500;min-width:1rem;text-align:center}.highlight-share-tooltip{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background-color:#1a1a1a;color:white;padding:.5rem .75rem;border-radius:.375rem;font-size:.75rem;white-space:nowrap;box-shadow:0 4px 8px rgba(0,0,0,.15);z-index:1100;opacity:0;pointer-events:none;transition:opacity .2s ease}.highlight-share-tooltip.visible{opacity:1}.highlight-shared-flash{animation:highlightFlash 1s ease-out}@keyframes highlightFlash{0%{background-color:rgba(59,130,246,.6);box-shadow:0 0 0 4px rgba(59,130,246,.3)}50%{background-color:rgba(59,130,246,.4);box-shadow:0 0 0 8px rgba(59,130,246,.2)}to{background-color:inherit;box-shadow:none}}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:768px){.article-highlight-container{-webkit-user-select:text;-moz-user-select:text;user-select:text}.article-highlight-container,.article-highlight-container *{-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.article-highlight-container div,.article-highlight-container p,.article-highlight-container span{-webkit-user-select:text;-moz-user-select:text;user-select:text}.highlight-toolbar{padding:.75rem;gap:.5rem;border-radius:.5rem;min-width:280px;max-width:calc(100vw - 2rem)}.highlight-btn{padding:.5rem .75rem;font-size:.8rem;min-height:40px}.highlight-btn svg{width:1.125rem;height:1.125rem}.highlight-color-options{min-width:260px;max-width:calc(100vw - 2rem);padding:.75rem}.highlight-color-btn{padding:.75rem;font-size:.85rem;min-height:48px}.highlight-comment-container{max-width:calc(100vw - 2rem);margin:0 1rem}.highlight-comment-input{font-size:16px;padding:.75rem}.highlight-comment-submit{padding:.75rem 1.5rem;min-height:44px}}@media (max-width:480px){.highlight-toolbar{padding:.5rem;gap:.375rem;min-width:260px;flex-wrap:wrap}.highlight-btn{padding:.375rem .625rem;font-size:.75rem;min-height:36px;flex:1 1 auto}.highlight-color-options{min-width:240px;padding:.5rem}.highlight-color-btn{padding:.625rem;font-size:.8rem;min-height:44px}.article-highlight[data-highlight-id]:hover:before{content:"Tap to manage";font-size:.7rem;padding:.375rem .625rem}.article-highlight{min-height:1.5rem;line-height:1.5}.highlight-modal-content{width:100%;max-width:100%;margin:0;border-radius:.75rem;padding:1rem 1.125rem}.highlight-selected-text{font-size:.9rem;padding:.75rem}.highlight-response-input{font-size:16px;padding:.75rem;min-height:44px}.highlight-ai-options{flex-wrap:wrap;gap:.5rem;justify-content:center}.highlight-ai-options button{padding:.625rem .875rem;font-size:.9rem;min-height:44px;flex:0 1 auto}.highlight-reactions{flex-wrap:wrap;gap:.375rem}.highlight-reaction-btn{padding:.5rem;min-width:44px;min-height:44px}}@media (max-width:375px){.highlight-toolbar{min-width:240px;padding:.375rem}.highlight-btn{padding:.25rem .5rem;font-size:.7rem;min-height:32px}.highlight-color-options{min-width:220px}.highlight-comment-container{margin:0 .5rem}}