:root{--color-primary:#3370ff;--color-primary-hover:#2860e1;--color-primary-light:#e1eaff;--color-primary-bg:#f0f4ff;--color-text-primary:#1f2329;--color-text-secondary:#646a73;--color-text-placeholder:#8f959e;--color-text-disabled:#c9cdd4;--color-border:#dee0e3;--color-border-light:#eceef0;--color-bg-page:#f5f6f7;--color-bg-card:#fff;--color-bg-hover:#f2f3f5;--color-bg-sidebar-active:#e1eaff;--color-danger:#f54a45;--color-success:#34c759;--color-warning:#ff9500;--font-family:"Noto Sans SC", "PingFang SC", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "Segoe UI", sans-serif;--font-size-xs:12px;--font-size-sm:13px;--font-size-base:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:20px;--header-height:48px;--sidebar-width:240px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-full:50%;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001f;--shadow-lg:0 8px 24px #00000029;--transition-fast:.15s ease;--transition-normal:.25s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-page);height:100vh;line-height:1.5;overflow:hidden}#app{flex-direction:column;height:100vh;display:flex}.header{height:var(--header-height);background:var(--color-bg-card);border-bottom:1px solid var(--color-border);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 16px;display:flex}.header-left{align-items:center;gap:8px;display:flex}.header-grid-btn{border-radius:var(--radius-sm);cursor:pointer;width:28px;height:28px;transition:background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.header-grid-btn:hover{background:var(--color-bg-hover)}.header-logo{align-items:center;gap:8px;margin-right:12px;display:flex}.header-title{font-size:var(--font-size-md);color:var(--color-text-primary);letter-spacing:.5px;font-weight:600}.header-nav{align-items:center;gap:4px;margin-left:8px;display:flex}.header-nav-item{font-size:var(--font-size-base);color:var(--color-text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;padding:6px 16px;font-weight:500;text-decoration:none}.header-nav-item:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}.header-nav-item.active{color:var(--color-primary);font-weight:600}.header-right{align-items:center;gap:4px;display:flex}.header-icon-btn{border-radius:var(--radius-sm);cursor:pointer;width:32px;height:32px;transition:background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.header-icon-btn:hover{background:var(--color-bg-hover)}.header-avatar{border-radius:var(--radius-full);cursor:pointer;width:28px;height:28px;margin-left:8px;overflow:hidden}.header-avatar img{width:100%;height:100%;display:block}.main-layout{flex:1;display:flex;position:relative;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--color-bg-card);border-right:1px solid var(--color-border);transition:width var(--transition-normal), padding var(--transition-normal), opacity var(--transition-normal);flex-shrink:0;padding:16px 12px;overflow-y:auto}.sidebar.collapsed{opacity:0;width:0;padding:0;overflow:hidden}.sidebar-search{margin-bottom:20px;position:relative}.sidebar-search-icon{pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.sidebar-search-input{border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;height:32px;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--color-text-primary);background:var(--color-bg-card);transition:border-color var(--transition-fast);outline:none;padding:0 10px 0 32px}.sidebar-search-input:focus{border-color:var(--color-primary)}.sidebar-search-input::placeholder{color:var(--color-text-placeholder)}.sidebar-section{margin-top:8px}.sidebar-section-title{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:4px;padding:4px 8px;font-weight:500}.sidebar-user-item{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast);-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:8px 10px;display:flex}.sidebar-user-item:hover{background:var(--color-bg-hover)}.sidebar-user-item.active{background:var(--color-bg-sidebar-active)}.sidebar-user-item .user-avatar{border-radius:var(--radius-full);flex-shrink:0;width:24px;height:24px;overflow:hidden}.sidebar-user-item .user-avatar img{width:100%;height:100%;display:block}.sidebar-user-item .user-name{font-size:var(--font-size-base);color:var(--color-primary);font-weight:500}.sidebar-collapse-btn{left:calc(var(--sidebar-width) - 1px);border:1px solid var(--color-border);background:var(--color-bg-card);cursor:pointer;z-index:10;width:20px;height:40px;transition:left var(--transition-normal), opacity var(--transition-fast);opacity:0;border-radius:0 8px 8px 0;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.main-layout:hover .sidebar-collapse-btn{opacity:1}.sidebar-collapse-btn:hover{background:var(--color-bg-hover)}.sidebar-collapse-btn.collapsed{border-radius:0 8px 8px 0;left:0}.sidebar-collapse-btn.collapsed svg{transform:rotate(180deg)}.content{transition:margin-left var(--transition-normal);flex:1;padding:24px 40px 40px;overflow-y:auto}.content-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.content-header-left{align-items:center;gap:12px;display:flex}.content-avatar{border-radius:var(--radius-full);width:36px;height:36px;overflow:hidden}.content-avatar img{width:100%;height:100%;display:block}.content-username{font-size:var(--font-size-xl);color:var(--color-text-primary);font-weight:600}.content-header-right{align-items:center;display:flex}.period-selector{align-items:center;gap:4px;display:flex}.period-nav-btn{border:1px solid var(--color-border);background:var(--color-bg-card);border-radius:var(--radius-sm);cursor:pointer;width:28px;height:28px;transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.period-nav-btn:hover{border-color:var(--color-primary);background:var(--color-primary-bg)}.period-tabs{align-items:center;gap:2px;display:flex}.period-tab{font-size:var(--font-size-base);color:var(--color-text-secondary);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;white-space:nowrap;font-family:var(--font-family);background:0 0;padding:6px 16px;font-weight:500}.period-tab:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.period-tab:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.period-tab:not(:first-child){margin-left:-1px}.period-tab:hover{color:var(--color-primary);border-color:var(--color-primary);z-index:1}.period-tab.active{color:var(--color-primary);border-color:var(--color-primary);background:var(--color-primary-bg);z-index:1;font-weight:600}.period-type-btn{border-radius:var(--radius-sm);cursor:pointer;width:28px;height:28px;transition:background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;margin-left:4px;display:flex}.period-type-btn:hover{background:var(--color-bg-hover)}.dropdown-menu{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);z-index:1000;min-width:140px;padding:4px;position:fixed}.dropdown-item{font-size:var(--font-size-base);color:var(--color-text-primary);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);-webkit-user-select:none;user-select:none;padding:8px 14px}.dropdown-item:hover{background:var(--color-bg-hover)}.dropdown-item.active{color:var(--color-primary);background:var(--color-primary-bg);font-weight:500}.hidden{display:none!important}.okr-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);margin-bottom:16px;position:relative;overflow:hidden}.okr-card:before{content:"";width:3px;transition:background var(--transition-fast);background:0 0;border-radius:3px 0 0 3px;position:absolute;top:0;bottom:0;left:0}.okr-card.editing:before{background:var(--color-primary)}.okr-card.editing{border-color:var(--color-primary);box-shadow:0 0 0 1px var(--color-primary)}.okr-card-header{padding:16px 20px 12px;position:relative}.okr-add-align{font-size:var(--font-size-xs);color:var(--color-text-placeholder);cursor:pointer;opacity:0;transition:opacity var(--transition-fast);align-items:center;gap:4px;display:flex;position:absolute;top:4px;left:20px}.okr-card:hover .okr-add-align{opacity:1}.okr-add-align:hover{color:var(--color-primary)}.objective-row{align-items:flex-start;gap:12px;display:flex}.objective-badge{background:var(--color-primary);color:#fff;min-width:30px;height:24px;font-size:var(--font-size-sm);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;padding:0 8px;font-weight:600;display:inline-flex}.objective-title{font-size:var(--font-size-md);color:var(--color-text-primary);font-weight:600;line-height:1.6;font-family:var(--font-family);resize:none;background:0 0;border:none;outline:none;flex:1;width:100%;min-height:28px}.objective-title::placeholder{color:var(--color-text-placeholder);font-weight:400}.objective-meta{flex-shrink:0;align-items:center;gap:16px;margin-top:2px;display:flex}.meta-label{font-size:var(--font-size-xs);color:var(--color-text-placeholder);text-align:center;min-width:40px}.meta-value{font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:center;cursor:pointer;min-width:40px}.meta-value:hover{color:var(--color-primary)}.meta-column{flex-direction:column;align-items:center;gap:2px;display:flex}.kr-list{padding:0 20px}.kr-row{border-top:1px solid var(--color-border-light);transition:background var(--transition-fast);align-items:flex-start;gap:12px;padding:10px 0;display:flex;position:relative}.kr-row:hover{background:var(--color-bg-hover);margin:0 -20px;padding:10px 20px}.kr-badge{font-size:var(--font-size-sm);color:var(--color-primary);flex-shrink:0;min-width:30px;margin-top:3px;font-weight:600}.kr-title{font-size:var(--font-size-base);color:var(--color-text-primary);line-height:1.6;font-family:var(--font-family);resize:none;background:0 0;border:none;outline:none;flex:1;width:100%;min-height:24px}.kr-title::placeholder{color:var(--color-text-placeholder)}.kr-meta{flex-shrink:0;align-items:center;gap:16px;margin-top:3px;display:flex}.kr-progress{font-size:var(--font-size-sm);color:var(--color-text-placeholder);text-align:center;cursor:pointer;min-width:40px}.kr-progress:hover{color:var(--color-primary)}.kr-weight{font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:right;min-width:50px}.kr-weight-input{text-align:right;width:50px;font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--color-text-secondary);border-radius:var(--radius-sm);background:0 0;border:none;outline:none;padding:2px 4px}.kr-weight-input:focus{background:var(--color-primary-bg);color:var(--color-primary)}.kr-delete-btn{cursor:pointer;opacity:0;width:20px;height:20px;transition:opacity var(--transition-fast);color:var(--color-text-placeholder);border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;right:0;transform:translateY(-50%)}.kr-row:hover .kr-delete-btn{opacity:1}.kr-delete-btn:hover{color:var(--color-danger);background:#fef0ef}.add-kr-btn{font-size:var(--font-size-base);color:var(--color-text-placeholder);cursor:pointer;text-align:left;width:100%;font-family:var(--font-family);transition:color var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:10px 20px;display:flex}.add-kr-btn:hover{color:var(--color-primary)}.okr-card-footer{border-top:1px solid var(--color-border-light);align-items:center;gap:8px;padding:12px 20px;display:flex}.okr-card-footer .save-status{font-size:var(--font-size-xs);color:var(--color-text-placeholder);margin-left:auto}.btn-primary{font-size:var(--font-size-base);color:#fff;background:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--radius-sm);cursor:pointer;font-weight:500;font-family:var(--font-family);transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;padding:6px 16px}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-outlined{font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;font-weight:500;font-family:var(--font-family);transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;padding:6px 16px}.btn-outlined:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-icon{border:1px solid var(--color-border);background:var(--color-bg-card);border-radius:var(--radius-sm);cursor:pointer;width:32px;height:32px;transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.btn-icon:hover{border-color:var(--color-primary);background:var(--color-primary-bg)}.bottom-actions{border-top:1px solid var(--color-border-light);align-items:center;gap:8px;margin-top:8px;padding:16px 0;display:flex}.bottom-action-btn{font-size:var(--font-size-base);color:var(--color-text-placeholder);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);font-family:var(--font-family);background:0 0;border:none;align-items:center;gap:6px;padding:8px 16px;display:flex}.bottom-action-btn:hover{color:var(--color-primary);background:var(--color-primary-bg)}.bottom-action-btn:not(:last-child):after{content:"";background:var(--color-border);width:1px;height:14px;margin-left:8px;display:inline-block}.comment-section{align-items:center;gap:12px;margin-top:16px;padding:20px 0;display:flex}.comment-avatar{border-radius:var(--radius-full);flex-shrink:0;width:32px;height:32px;overflow:hidden}.comment-avatar img{width:100%;height:100%;display:block}.comment-input{border:1px solid var(--color-border);border-radius:var(--radius-md);height:36px;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--color-text-primary);transition:border-color var(--transition-fast);outline:none;flex:1;padding:0 12px}.comment-input:focus{border-color:var(--color-primary)}.comment-input::placeholder{color:var(--color-text-placeholder)}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);flex-direction:column;width:560px;max-width:90vw;max-height:80vh;animation:.25s slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-title{font-size:var(--font-size-md);color:var(--color-text-primary);font-weight:600}.modal-close-btn{cursor:pointer;border-radius:var(--radius-sm);width:28px;height:28px;transition:background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.modal-close-btn:hover{background:var(--color-bg-hover)}.modal-toolbar{border-bottom:1px solid var(--color-border-light);justify-content:space-between;align-items:center;padding:0 24px 12px;display:flex}.modal-checkbox-label{font-size:var(--font-size-base);color:var(--color-text-primary);cursor:pointer;align-items:center;gap:8px;display:flex}.modal-checkbox-label input[type=checkbox]{accent-color:var(--color-primary);width:16px;height:16px}.modal-period-select{font-size:var(--font-size-base);color:var(--color-text-secondary);align-items:center;gap:4px;display:flex}.modal-period-select select{border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-family:var(--font-family);color:var(--color-text-primary);cursor:pointer;outline:none;padding:4px 8px}.modal-period-select select:focus{border-color:var(--color-primary)}.modal-body{flex:1;min-height:200px;padding:24px;overflow-y:auto}.modal-empty{flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:40px 0;display:flex}.modal-empty-text{font-size:var(--font-size-base);color:var(--color-text-placeholder)}.modal-footer{border-top:1px solid var(--color-border-light);justify-content:flex-end;align-items:center;gap:8px;padding:16px 24px;display:flex}.import-item{border-bottom:1px solid var(--color-border-light);align-items:flex-start;gap:8px;padding:12px 0;display:flex}.import-item:last-child{border-bottom:none}.import-item input[type=checkbox]{accent-color:var(--color-primary);width:16px;height:16px;margin-top:3px}.import-item-content{flex:1}.import-item-title{font-size:var(--font-size-base);color:var(--color-text-primary);margin-bottom:4px;font-weight:500}.import-item-kr{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:2px;padding-left:12px}.batch-paste-hint{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:8px}.batch-paste-format{font-size:var(--font-size-xs);color:var(--color-text-placeholder);background:var(--color-bg-page);border-radius:var(--radius-md);margin-bottom:12px;padding:12px;font-family:Consolas,Monaco,monospace;line-height:1.8}.batch-paste-textarea{border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--color-text-primary);resize:vertical;transition:border-color var(--transition-fast);outline:none;padding:12px;line-height:1.8}.batch-paste-textarea:focus{border-color:var(--color-primary)}.batch-paste-textarea::placeholder{color:var(--color-text-placeholder)}.progress-popover{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);z-index:1001;align-items:center;gap:8px;min-width:180px;padding:12px;display:flex;position:fixed}.progress-popover input[type=range]{accent-color:var(--color-primary);flex:1}.progress-popover .progress-value{font-size:var(--font-size-sm);color:var(--color-primary);text-align:right;min-width:36px;font-weight:500}.okr-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.okr-empty svg{margin-bottom:16px}.okr-empty-text{font-size:var(--font-size-base);color:var(--color-text-placeholder);margin-bottom:24px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-text-disabled);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-placeholder)}.progress-display{cursor:pointer;border-radius:var(--radius-sm);transition:background var(--transition-fast);align-items:center;gap:4px;padding:2px 6px;display:inline-flex}.progress-display:hover{background:var(--color-primary-bg)}.progress-bar-mini{background:var(--color-border-light);border-radius:2px;width:32px;height:4px;overflow:hidden}.progress-bar-mini-fill{background:var(--color-primary);height:100%;transition:width var(--transition-normal);border-radius:2px}.objective-delete-btn{cursor:pointer;opacity:0;width:24px;height:24px;transition:opacity var(--transition-fast);color:var(--color-text-placeholder);border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.okr-card:hover .objective-delete-btn{opacity:.6}.objective-delete-btn:hover{color:var(--color-danger);background:#fef0ef;opacity:1!important}