.task-card{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;margin-bottom:8px;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-primary);transition:border-color .2s,box-shadow .2s}.task-card:hover{border-color:#3b82f6;box-shadow:0 2px 4px #0000001a}.task-card.completed{opacity:.6}.task-card.completed .task-title{text-decoration:line-through}.task-checkbox input[type=checkbox]{margin-top:2px;width:18px;height:18px;cursor:pointer}.task-content{flex:1;min-width:0}.task-title{font-size:14px;font-weight:500;color:var(--text-primary);margin:0 0 4px;word-wrap:break-word}.task-description{font-size:13px;color:var(--text-secondary);margin:0 0 8px;line-height:1.4;word-wrap:break-word}.task-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.priority-badge{padding:2px 8px;border-radius:4px;font-size:10px;font-weight:600;text-transform:uppercase}.priority-normal{background-color:#e8f5e9;color:#2e7d32}.priority-important{background-color:#fff3e0;color:#e65100}.priority-urgent{background-color:#ffebee;color:#c62828}.recurring-badge,.due-date{font-size:11px;color:var(--text-secondary)}.task-actions{display:flex;gap:4px}.task-actions .icon-button{background:none;border:none;padding:4px 8px;cursor:pointer;font-size:16px;opacity:.5;transition:opacity .2s}.task-actions .icon-button:hover{opacity:1}.task-list{padding:20px;overflow-y:auto;flex:1}.task-list-loading,.task-list-empty{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-secondary);text-align:center}.category-sidebar{width:200px;border-right:1px solid var(--border-color);background-color:var(--bg-secondary);display:flex;flex-direction:column}.category-section{border-bottom:1px solid var(--border-color)}.category-header{padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;color:var(--text-secondary);margin:0}.category-list{list-style:none;padding:0;margin:0}.category-item{padding:10px 16px;font-size:13px;color:var(--text-primary);display:flex;align-items:center;gap:8px;transition:background-color .2s}.category-item:hover{background-color:var(--bg-tertiary)}.category-item.active{background-color:#e3f2fd;color:#1976d2}.app.dark .category-item.active{background-color:#1e3a5f;color:#64b5f6}.category-icon{font-size:16px}.category-name{flex:1}.add-task-form{padding:20px;border-top:1px solid var(--border-color);background-color:var(--bg-primary)}.task-input{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;color:var(--text-primary);background-color:var(--bg-primary);margin-bottom:12px}.task-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f61a}.task-options{display:flex;gap:8px;flex-wrap:wrap}.task-select,.task-datetime{padding:6px 10px;border:1px solid var(--border-color);border-radius:4px;font-size:12px;color:var(--text-primary);background-color:var(--bg-primary)}.btn{padding:6px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:12px;cursor:pointer;transition:background-color .2s}.btn-primary{background-color:#3b82f6;color:#fff;border-color:#2563eb}.btn-primary:hover{background-color:#2563eb}.ai-suggestion-box{margin:16px 20px;padding:12px 16px;border:1px dashed #9c27b0;background-color:#f3e5f5;border-radius:6px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.app.dark .ai-suggestion-box{background-color:#4a148c;border-color:#7b1fa2}.ai-icon{font-size:20px}.ai-message{flex:1;font-size:13px;color:#4a148c}.app.dark .ai-message{color:#e1bee7}.ai-link{background:none;border:none;color:#7b1fa2;text-decoration:underline;cursor:pointer;font-size:13px;padding:0}.ai-actions{display:flex;gap:8px}.ai-btn{padding:4px 12px;border:1px solid #7b1fa2;border-radius:4px;font-size:11px;cursor:pointer;background-color:#fff;transition:background-color .2s}.ai-btn-accept{background-color:#9c27b0;color:#fff;border-color:#7b1fa2}.ai-btn-accept:hover{background-color:#7b1fa2}.ai-btn-dismiss:hover{background-color:#f3e5f5}.ai-suggestion-box.loading .ai-message{opacity:.7}.app{width:100%;min-height:100vh}.app.light{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #e5e5e5;--text-primary: #213547;--text-secondary: #666666;--border-color: #ddd;--shadow: 0 2px 8px rgba(0,0,0,.1)}.app.dark{--bg-primary: #1a1a1a;--bg-secondary: #2a2a2a;--bg-tertiary: #3a3a3a;--text-primary: #ffffff;--text-secondary: #999999;--border-color: #444;--shadow: 0 2px 8px rgba(0,0,0,.3)}.offline-banner{background-color:#f59e0b;color:#fff;padding:8px 16px;text-align:center;font-weight:500;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.app-container{display:flex;flex-direction:column;height:100vh}.app-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary)}.app-header h1{font-size:20px;font-weight:600;color:var(--text-primary)}.header-actions{display:flex;gap:8px}.icon-button{background:none;border:1px solid var(--border-color);border-radius:6px;padding:8px 12px;cursor:pointer;font-size:16px;transition:background-color .2s}.icon-button:hover{background-color:var(--bg-secondary)}.app-content{display:flex;flex:1;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary)}.error-boundary{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center;min-height:100vh;background-color:var(--bg-primary)}.error-boundary h1{color:#ef4444;margin-bottom:16px}.error-boundary p{color:var(--text-secondary);margin-bottom:24px}.error-boundary details{margin-top:20px;text-align:left}.error-boundary pre{background-color:var(--bg-secondary);padding:16px;border-radius:6px;overflow:auto;font-size:12px}.error-boundary button{padding:10px 20px;background-color:#3b82f6;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s}.error-boundary button:hover{background-color:#2563eb}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;max-width:1280px;margin:0 auto}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}}