:root{--color-bg: #ffffff;--color-bg-secondary: #f5f5f5;--color-text: #1a1a1a;--color-text-secondary: #666666;--color-border: #e0e0e0;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, monospace}@media (prefers-color-scheme: dark){:root{--color-bg: #0f0f0f;--color-bg-secondary: #1a1a1a;--color-text: #f5f5f5;--color-text-secondary: #a0a0a0;--color-border: #333333;--color-primary: #60a5fa;--color-primary-hover: #3b82f6}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover);text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;font-weight:500;transition:all .15s ease}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;padding:10px 20px;font-weight:600;font-size:14px;box-shadow:0 4px 12px #667eea4d;transition:all .2s ease}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #667eea66}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 8px #667eea4d}.btn-secondary{background-color:var(--color-bg-secondary);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-border)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.filter-pill{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:9999px;font-size:.75rem;font-weight:500;border:1px solid var(--color-border);background-color:var(--color-bg);color:var(--color-text-secondary);cursor:pointer;transition:all .15s ease}.filter-pill:hover{border-color:var(--color-primary);color:var(--color-primary)}.filter-pill.active{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.filter-pill .count{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;background-color:var(--color-primary);color:#fff;font-size:.6875rem;font-weight:600;border-radius:9999px}.btn-google{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);background-color:#fff;color:#757575;border:1px solid #dadce0;font-weight:500;padding:var(--spacing-sm) var(--spacing-md)}.btn-google:hover:not(:disabled){background-color:#f8f9fa;border-color:#d2d4d7}.divider{display:flex;align-items:center;text-align:center;color:var(--color-text-secondary)}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid var(--color-border)}.divider span{padding:0 var(--spacing-sm);font-size:.875rem}input,textarea,select{font-family:inherit;font-size:.875rem;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);color:var(--color-text);width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}textarea{resize:vertical;min-height:100px}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.nav{background-color:var(--color-bg);border-bottom:1px solid var(--color-border);padding:var(--spacing-md) 0;position:sticky;top:0;z-index:100}.nav-content{display:flex;align-items:center;justify-content:space-between}.nav-brand{font-size:1.25rem;font-weight:700;color:var(--color-text);text-decoration:none}.nav-brand:hover{text-decoration:none}.nav-links{display:flex;gap:var(--spacing-lg);list-style:none}.nav-links a{color:var(--color-text-secondary);font-weight:500}.nav-links a:hover,.nav-links a.active{color:var(--color-text);text-decoration:none}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.flex-wrap{flex-wrap:wrap}.justify-between{justify-content:space-between}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-lg{gap:var(--spacing-lg)}.mt-xs{margin-top:var(--spacing-xs)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-secondary{color:var(--color-text-secondary)}.text-error{color:var(--color-error)}.text-center{text-align:center}.spinner{width:24px;height:24px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{color:var(--color-error);font-size:.875rem;padding:var(--spacing-sm) var(--spacing-md);background-color:#ef44441a;border-radius:var(--radius-md)}.warning{color:var(--color-warning);font-size:.875rem;padding:var(--spacing-sm) var(--spacing-md);background-color:#f59e0b1a;border-radius:var(--radius-md)}.success{color:var(--color-success);font-size:.875rem;padding:var(--spacing-sm);background-color:#10b9811a;border-radius:var(--radius-md)}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--color-text-secondary)}.timeline{position:relative;padding-left:var(--spacing-lg)}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background-color:var(--color-border)}.timeline-item{position:relative;padding-bottom:var(--spacing-lg)}.timeline-item:before{content:"";position:absolute;left:calc(-1 * var(--spacing-lg) - 4px);top:var(--spacing-sm);width:10px;height:10px;background-color:var(--color-primary);border-radius:50%}.timeline-item.highlighted:before{background-color:var(--color-warning);width:14px;height:14px;left:calc(-1 * var(--spacing-lg) - 6px)}.user-avatar{width:48px;height:48px;border-radius:50%;background-color:var(--color-bg-secondary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.25rem;color:var(--color-text);overflow:hidden;flex-shrink:0}.user-avatar img{width:100%;height:100%;object-fit:cover}.profile-picture-upload{display:flex;flex-direction:column;align-items:center}.profile-picture-container{position:relative;border-radius:50%;overflow:hidden;transition:transform .15s ease}.profile-picture-container:hover{transform:scale(1.02)}.profile-picture-container .user-avatar{display:block}.profile-picture-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;color:#fff;opacity:0;transition:opacity .15s ease;border-radius:50%}.profile-picture-container:hover .profile-picture-overlay{opacity:1}.search-result{transition:transform .15s ease,box-shadow .15s ease}.search-result:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.space-y-md>*+*{margin-top:var(--spacing-md)}.space-y-sm>*+*{margin-top:var(--spacing-sm)}.block{display:block}.flex-1{flex:1}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.gap-md{gap:var(--spacing-md)}@media (min-width: 640px){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.sm\:flex-row{flex-direction:row}.sm\:items-center{align-items:center}.sm\:gap-md{gap:var(--spacing-md)}}.justify-center{justify-content:center}.hover\:bg-secondary:hover{background-color:var(--color-bg-secondary)}.hover\:border-primary:hover{border-color:var(--color-primary)}.cursor-pointer{cursor:pointer}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.transition-colors{transition:background-color .15s ease,color .15s ease,border-color .15s ease}.p-sm{padding:var(--spacing-sm)}.media-grid{display:grid;gap:var(--spacing-sm)}.media-grid.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.media-grid.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.media-grid.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width: 640px){.media-grid.grid-cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}}.media-item-wrapper{position:relative;aspect-ratio:1 / 1;border-radius:var(--radius-md);overflow:hidden;background-color:var(--color-bg-secondary)}.media-item-wrapper.single{aspect-ratio:auto;max-width:100%;max-height:400px;cursor:zoom-in;display:flex;align-items:center;justify-content:center}.media-item-wrapper.thumbnail{aspect-ratio:1 / 1}.media-item{width:100%;height:100%;object-fit:cover;display:block}.media-item-wrapper.single .media-item{width:auto;height:auto;max-width:100%;max-height:400px;object-fit:contain}.media-item-wrapper.thumbnail .media-item{object-fit:cover}.media-carousel{position:relative;overflow:hidden;background-color:#000;border-radius:var(--radius-md);max-height:585px;outline:none}.update-media-container .media-carousel{border-radius:0}.media-carousel-track{display:flex;transition:transform .3s ease;height:100%}.media-carousel-slide{flex:0 0 100%;display:flex;align-items:center;justify-content:center;min-height:200px;max-height:585px}.media-carousel-media{max-width:100%;max-height:585px;object-fit:contain;display:block}.media-carousel-prev,.media-carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background-color:#00000080;color:#fff;border:none;font-size:1.25rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;padding:0;transition:background-color .15s ease}.media-carousel-prev:hover,.media-carousel-next:hover{background-color:#000000b3}.media-carousel-prev{left:8px}.media-carousel-next{right:8px}.media-carousel-dots{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:6px;z-index:2}.media-carousel-dot{width:8px;height:8px;border-radius:50%;border:none;background-color:#ffffff80;cursor:pointer;padding:0;transition:background-color .15s ease}.media-carousel-dot.active{background-color:#fff}.media-lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000;cursor:zoom-out;padding:var(--spacing-lg)}.media-lightbox-overlay img,.media-lightbox-overlay video{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--radius-md)}.media-remove-btn{position:absolute;top:var(--spacing-xs);right:var(--spacing-xs);width:24px;height:24px;border-radius:50%;background-color:#0009;color:#fff;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;padding:0;border:none;cursor:pointer}.media-remove-btn:hover:not(:disabled){background-color:#000c}.media-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background-color:#0000004d}.error-overlay{background-color:#ef4444cc;color:#fff;font-size:1.5rem;font-weight:700}.message-modal-reference{background-color:var(--color-bg-secondary);border-radius:var(--radius-md);padding:var(--spacing-sm);margin-bottom:var(--spacing-md)}.message-modal-reference img{max-height:80px;width:100%;object-fit:cover;border-radius:var(--radius-sm);margin-top:var(--spacing-sm)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.modal-content{background-color:var(--color-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:480px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border)}.modal-header h3{margin:0;font-size:1.125rem}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md)}.modal-close:hover{background-color:var(--color-bg-secondary);color:var(--color-text)}.modal-body{padding:var(--spacing-lg);overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--color-border);background-color:var(--color-bg-secondary)}.circle-selection-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.circle-option{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;transition:background-color .15s ease;border:2px solid transparent}.circle-option:hover{background-color:var(--color-bg-secondary)}.circle-option.selected{background-color:#3b82f61a;border-color:var(--color-primary)}.circle-option input[type=checkbox]{width:auto;margin:0}.circle-name{flex:1;font-weight:500}.circle-badge{font-size:.75rem;padding:2px 8px;background-color:var(--color-bg-secondary);color:var(--color-text-secondary);border-radius:var(--radius-sm)}.circle-tag{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;padding:2px 8px;background-color:var(--color-bg-secondary);color:var(--color-text-secondary);border-radius:var(--radius-sm);border:1px solid var(--color-border)}.messages-layout{display:flex;height:calc(100vh - 200px);min-height:500px;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;background-color:var(--color-bg)}.messages-sidebar{width:280px;flex-shrink:0;border-right:1px solid var(--color-border);background-color:var(--color-bg-secondary);display:flex;flex-direction:column}.messages-sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.messages-sidebar-header h2{font-size:1.125rem;margin:0}.messages-conversation-list{flex:1;overflow-y:auto;padding:var(--spacing-xs)}.messages-conversation-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);border-radius:var(--radius-md);text-decoration:none;color:inherit;transition:background-color .15s ease}.messages-conversation-item:hover{background-color:var(--color-bg);text-decoration:none}.messages-conversation-item.active{background-color:var(--color-bg);box-shadow:inset 3px 0 0 var(--color-primary)}.messages-conversation-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;flex-shrink:0;background-color:var(--color-bg-secondary)}.messages-conversation-avatar 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0}.messages-conversation-preview.unread{color:var(--color-text);font-weight:500}.messages-main{flex:1;display:flex;flex-direction:column;background-color:var(--color-bg);min-width:0}.messages-header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);border-bottom:1px solid var(--color-border);flex-shrink:0}.messages-header-avatar{width:36px;height:36px;border-radius:50%;overflow:hidden;background-color:var(--color-bg-secondary)}.messages-header-avatar 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var(--color-border);border-bottom-left-radius:4px}.message-content{margin:0;line-height:1.4}.message-time{font-size:.6875rem;opacity:.7;margin-top:4px;display:block}.message-linked-update{background-color:#0000000d;border-radius:var(--radius-sm);padding:var(--spacing-sm);margin-bottom:var(--spacing-sm);font-size:.8125rem}.message-group-content.me .message-linked-update{background-color:#ffffff26}.message-linked-update-header{font-weight:600;margin-bottom:2px;opacity:.8}.message-linked-update p{margin:0;opacity:.9}.messages-input-area{border-top:1px solid var(--color-border);padding:var(--spacing-md);background-color:var(--color-bg);flex-shrink:0}.messages-referenced-update{display:flex;align-items:flex-start;gap:var(--spacing-sm);background-color:var(--color-bg-secondary);border-radius:var(--radius-md);padding:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.messages-referenced-update-content{flex:1;min-width:0}.messages-referenced-update-header{font-size:.75rem;color:var(--color-text-secondary);margin-bottom:2px}.messages-referenced-update p{margin:0;font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.messages-remove-reference{background:none;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:1rem;padding:var(--spacing-xs);line-height:1}.messages-remove-reference:hover{color:var(--color-error)}.messages-input-form{display:flex;gap:var(--spacing-sm)}.messages-input-form input{flex:1}@media (max-width: 768px){.nav-links{gap:var(--spacing-md)}.container{padding:0 var(--spacing-sm)}h1{font-size:1.5rem}h2{font-size:1.25rem}.modal-content{max-width:100%;margin:var(--spacing-sm)}.modal-footer{flex-direction:column}.modal-footer button{width:100%}.messages-layout{flex-direction:column;height:auto;min-height:calc(100vh - 150px)}.messages-sidebar{width:100%;max-height:200px;border-right:none;border-bottom:1px solid var(--color-border)}.messages-conversation-list{display:flex;overflow-x:auto;overflow-y:hidden;padding:var(--spacing-sm);gap:var(--spacing-sm)}.messages-conversation-item{min-width:200px}.messages-list{min-height:300px}}.update-card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;margin-bottom:var(--spacing-lg);overflow:hidden}.update-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid transparent}.update-author{display:flex;align-items:center;gap:12px}.update-avatar-link{display:block;flex-shrink:0}.update-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;background-color:var(--color-bg-secondary)}.update-avatar-placeholder{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:14px;font-weight:600}.update-author-info{display:flex;flex-direction:column;gap:2px}.update-username{font-weight:600;font-size:14px;color:var(--color-text);text-decoration:none}.update-username:hover{text-decoration:none;opacity:.8}.update-category{font-size:12px;color:var(--color-text-secondary)}.update-meta{display:flex;align-items:center;gap:12px}.update-time{font-size:12px;color:var(--color-text-secondary);text-transform:lowercase}.update-action-btn{background:none;border:none;padding:4px;cursor:pointer;color:var(--color-text-secondary);border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.update-action-btn:hover{color:var(--color-text);background-color:var(--color-bg-secondary)}.update-delete-btn:hover{color:var(--color-error)}.update-own-actions{display:flex;gap:4px}.share-copied-toast{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;text-align:center;margin:0 16px 8px;animation:fadeSlideIn .2s ease}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.update-media-container{background-color:var(--color-bg-secondary);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.update-media-container .media-grid{gap:0}.update-media-container .media-item-wrapper{border-radius:0}.update-media-container .media-item-wrapper.single{max-height:585px;aspect-ratio:auto;background-color:#000}.update-media-container .media-item-wrapper.single .media-item{max-height:585px;object-fit:contain}.update-content{padding:12px 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