:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--border-color: #30363d;--text-primary: #c9d1d9;--text-secondary: #8b949e;--accent-primary: #58a6ff;--accent-hover: #1f6feb;--success: #3fb950;--danger: #f85149}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5}#root{min-height:100vh}a{color:var(--accent-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit;background-color:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;padding:5px 12px}input:focus,select:focus{outline:2px solid var(--accent-primary);outline-offset:-1px}.app{display:flex;flex-direction:column;min-height:100vh}.app-body{display:flex;flex:1}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto}.header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.header-content{max-width:1280px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:16px;flex:1}.logo{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;color:var(--text-primary);text-decoration:none;white-space:nowrap}.logo:hover{text-decoration:none}.logo-icon{font-size:24px}.search-container{position:relative;flex:1;max-width:400px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-secondary)}.search-input{width:100%;padding:6px 12px 6px 36px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:14px}.search-input:focus{outline:2px solid var(--accent-primary);outline-offset:-1px}.header-right{display:flex;align-items:center;gap:24px}.nav-links{display:flex;gap:16px}.nav-link{color:var(--text-primary);font-size:14px;padding:6px 8px;border-radius:6px;transition:background-color .2s}.nav-link:hover{background-color:var(--bg-tertiary);text-decoration:none}.user-menu{cursor:pointer}.user-avatar{font-size:24px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--bg-tertiary);border-radius:50%;border:1px solid var(--border-color)}.sidebar{width:240px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);height:calc(100vh - 65px);position:sticky;top:65px;padding:16px}.sidebar-nav{display:flex;flex-direction:column;gap:4px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;color:var(--text-primary);border-radius:6px;font-size:14px;transition:background-color .2s}.sidebar-link:hover{background-color:var(--bg-tertiary);text-decoration:none}.sidebar-link.active{background-color:var(--bg-tertiary);font-weight:600}.activity-feed{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;overflow:hidden}.activity-filters{padding:16px;border-bottom:1px solid var(--border-color)}.filter-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;font-weight:600;color:var(--text-primary)}.filter-controls{display:flex;gap:8px;flex-wrap:wrap}.filter-select{flex:1;min-width:150px;padding:6px 12px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:13px}.activity-list{max-height:600px;overflow-y:auto}.activity-item{display:flex;gap:12px;padding:16px;border-bottom:1px solid var(--border-color);transition:background-color .2s}.activity-item:last-child{border-bottom:none}.activity-item:hover{background-color:var(--bg-tertiary)}.activity-icon-wrapper{flex-shrink:0}.activity-type-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;font-size:16px;background-color:var(--bg-tertiary);border-radius:6px}.activity-content{flex:1;min-width:0}.activity-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.activity-user{font-size:14px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:6px}.activity-time{font-size:12px;color:var(--text-secondary)}.activity-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:4px}.activity-description{font-size:13px;color:var(--text-secondary);margin-bottom:8px;line-height:1.4}.activity-app{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background-color:var(--bg-tertiary);border-radius:12px;font-size:12px;color:var(--text-secondary)}.activity-app-icon{font-size:14px}.activity-app-name{font-weight:500}.all-activities{flex:1;padding:24px;max-width:1000px;margin:0 auto;width:100%}.page-header{margin-bottom:24px}.page-header h1{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.page-description{font-size:14px;color:var(--text-secondary)}.activities-container{margin-top:24px}.app-tile{display:flex;flex-direction:column;padding:16px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;transition:all .2s;cursor:pointer;text-decoration:none;color:var(--text-primary)}.app-tile:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:0 4px 12px #0000004d;text-decoration:none}.app-tile-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.app-icon{font-size:32px}.external-icon{color:var(--text-secondary);opacity:0;transition:opacity .2s}.app-tile:hover .external-icon{opacity:1}.app-tile-content{flex:1}.app-name{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--text-primary)}.app-description{font-size:13px;color:var(--text-secondary);line-height:1.4}.app-tile.small{padding:12px}.app-tile.small .app-icon{font-size:24px}.app-tile.small .app-name{font-size:14px}.app-tile.small .app-description{font-size:12px}.all-apps{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.apps-grid-full{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:24px}@media(max-width:768px){.apps-grid-full{grid-template-columns:1fr}}.app-page{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.app-header{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:24px;margin-bottom:24px}.app-header-content{display:flex;align-items:center;gap:16px}.app-header-icon{font-size:48px}.app-header h1{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.app-header-description{font-size:14px;color:var(--text-secondary)}.app-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:20px;text-align:center}.stat-value{font-size:32px;font-weight:700;color:var(--accent-primary);margin-bottom:8px}.stat-label{font-size:14px;color:var(--text-secondary);font-weight:500}.app-features{margin-bottom:24px}.app-features h2{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:16px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.feature-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:20px}.feature-icon{color:var(--accent-primary);margin-bottom:12px}.feature-card h3{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.feature-card p{font-size:13px;color:var(--text-secondary)}.app-placeholder{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:48px;text-align:center}.placeholder-content{max-width:500px;margin:0 auto}.placeholder-icon{font-size:64px;display:block;margin-bottom:16px}.placeholder-content h3{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.placeholder-content p{font-size:14px;color:var(--text-secondary);line-height:1.6}.dashboard{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.dashboard-main{display:flex;flex-direction:column;gap:32px}.apps-section,.activity-section{display:flex;flex-direction:column;gap:16px}.section-header{display:flex;justify-content:space-between;align-items:center}.section-header h2{font-size:20px;font-weight:600;color:var(--text-primary)}.see-more-link{display:flex;align-items:center;gap:4px;font-size:14px;color:var(--accent-primary);transition:color .2s}.see-more-link:hover{color:var(--accent-hover);text-decoration:none}.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}@media(max-width:768px){.dashboard{padding:16px}.apps-grid{grid-template-columns:1fr}}