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var(--space-8);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state-icon{border-radius:var(--radius-2xl);background:var(--color-gradient-soft);width:80px;height:80px;margin-bottom:var(--space-6);justify-content:center;align-items:center;display:flex}.empty-state-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.empty-state-desc{font-size:var(--font-size-sm);color:var(--text-secondary);max-width:360px;margin-bottom:var(--space-6)}.folder-tree{list-style:none}.folder-tree-item{position:relative}.folder-tree-row{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);font-size:var(--font-size-sm);color:var(--text-secondary);-webkit-user-select:none;user-select:none;display:flex}.folder-tree-row:hover{background:var(--bg-hover);color:var(--text-primary)}.folder-tree-row.active{background:var(--bg-active);color:var(--color-primary)}.folder-tree-toggle{width:16px;height:16px;transition:transform var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.folder-tree-toggle.expanded{transform:rotate(90deg)}.folder-tree-children{padding-left:var(--space-5)}.tabs{gap:var(--space-1);border-bottom:1px solid var(--border-color);padding:0 var(--space-4);display:flex}.tab{padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border-bottom:2px solid #0000}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.context-menu{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-1);min-width:180px;z-index:var(--z-popover);animation:scaleIn var(--transition-fast) ease-out;position:fixed}.context-menu-item{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex}.context-menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.context-menu-item.danger{color:var(--color-danger)}.context-menu-item.danger:hover{background:var(--color-danger-bg)}.context-menu-divider{background:var(--border-color);height:1px;margin:var(--space-1) 0}.avatar{border-radius:var(--radius-full);background:var(--color-gradient);color:#fff;width:32px;height:32px;font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.avatar-sm{width:24px;height:24px;font-size:var(--font-size-xs)}.avatar-lg{width:40px;height:40px;font-size:var(--font-size-md)}.dropdown{display:inline-block;position:relative}.dropdown-menu{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-1);min-width:200px;z-index:var(--z-dropdown);animation:scaleIn var(--transition-fast) ease-out;position:absolute;top:calc(100% + 4px);right:0}.dropdown-item{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex}.dropdown-item:hover{background:var(--bg-hover);color:var(--text-primary)}.settings-section{margin-bottom:var(--space-8)}.settings-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid var(--border-color)}.settings-row{padding:var(--space-4) 0;border-bottom:1px solid var(--border-color-light);justify-content:space-between;align-items:center;display:flex}.settings-row:last-child{border-bottom:none}.settings-label{font-weight:var(--font-weight-medium);margin-bottom:var(--space-1)}.settings-desc{font-size:var(--font-size-xs);color:var(--text-tertiary)}.toggle{background:var(--bg-tertiary);border:2px solid var(--border-color);border-radius:var(--radius-full);cursor:pointer;width:44px;height:24px;transition:all var(--transition-fast);flex-shrink:0;position:relative}.toggle.active{background:var(--color-primary);border-color:var(--color-primary)}.toggle:after{content:"";border-radius:var(--radius-full);width:16px;height:16px;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm);background:#fff;position:absolute;top:2px;left:2px}.toggle.active:after{transform:translate(20px)}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.skeleton-text{height:14px;margin-bottom:var(--space-2)}.skeleton-title{width:60%;height:20px;margin-bottom:var(--space-3)}.skeleton-avatar{border-radius:var(--radius-full);width:32px;height:32px}.spinner{border:2px solid var(--border-color);border-top-color:var(--color-primary);border-radius:var(--radius-full);width:20px;height:20px;animation:.6s linear infinite spin}.lock-screen{z-index:var(--z-lock);background:var(--bg-primary);justify-content:center;align-items:center;gap:var(--space-8);flex-direction:column;display:flex;position:fixed;inset:0}.lock-screen-logo{border-radius:var(--radius-2xl);background:var(--color-gradient);width:80px;height:80px;box-shadow:var(--shadow-primary-lg);justify-content:center;align-items:center;animation:2s infinite pulse;display:flex}.pin-input-group{gap:var(--space-3);display:flex}.pin-input{text-align:center;width:48px;height:56px;font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);border:2px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-secondary);transition:all var(--transition-fast)}.pin-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #8b5cf626}.ai-panel{width:var(--ai-panel-width);min-width:var(--ai-panel-width);background:var(--bg-primary);border-left:1px solid var(--border-color);height:100vh;transition:width var(--transition-base), min-width var(--transition-base);flex-direction:column;display:flex}.ai-panel.hidden{border:none;width:0;min-width:0;overflow:hidden}.ai-messages{padding:var(--space-4);gap:var(--space-4);flex-direction:column;flex:1;display:flex;overflow-y:auto}.ai-message{gap:var(--space-3);animation:fadeIn var(--transition-fast) ease-out;display:flex}.ai-message-bubble{padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed);max-width:85%}.ai-message-bubble.user{background:var(--color-gradient);color:#fff;border-bottom-right-radius:var(--radius-sm);margin-left:auto}.ai-message-bubble.assistant{background:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}.ai-input-area{gap:var(--space-2);padding:var(--space-4);border-top:1px solid var(--border-color);display:flex}.ai-input{border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);resize:none;font-size:var(--font-size-sm);flex:1;min-height:40px;max-height:120px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{box-shadow:var(--shadow-primary);transform:scale(1)}50%{box-shadow:var(--shadow-primary-lg);transform:scale(1.05)}}@keyframes toastSlideIn{0%{opacity:0;transform:translate(100%)scale(.95)}to{opacity:1;transform:translate(0)scale(1)}}@keyframes toastSlideOut{0%{opacity:1;transform:translate(0)scale(1)}to{opacity:0;transform:translate(100%)scale(.95)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-5{gap:var(--space-5)}.gap-6{gap:var(--space-6)}.w-full{width:100%}.h-full{height:100%}.text-center{text-align:center}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sr-only{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=1024px){.mobile-menu-btn{display:inline-flex!important}.sidebar-overlay{z-index:calc(var(--z-overlay) - 1);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;display:block;position:fixed;inset:0}.sidebar{z-index:var(--z-overlay);box-shadow:var(--shadow-2xl);height:100dvh;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.ai-panel{z-index:var(--z-overlay);box-shadow:var(--shadow-2xl);width:380px;max-width:100vw;height:100dvh;position:fixed;top:0;right:0}.dashboard-grid,.dashboard-widgets-grid{grid-template-columns:1fr}}@media (width<=640px){.page-content{padding:var(--space-3)}.main-header{padding:0 var(--space-3);gap:var(--space-2);height:48px}.main-header-right{gap:0}.main-header-right .btn-icon{width:34px;height:34px}.main-header-right .avatar{width:30px;height:30px;font-size:var(--font-size-xs)}.search-bar-shortcut,.search-bar-input{display:none!important}.search-bar{width:34px;height:34px;min-width:unset;border-radius:var(--radius-md);background:0 0;justify-content:center;padding:0}.search-bar:hover{background:var(--bg-tertiary)}.modal{width:95vw;max-width:95vw;max-height:85dvh;margin:auto}.modal-header,.modal-body,.modal-footer{padding:var(--space-3) var(--space-4)}.kanban-board{flex-direction:column}.kanban-column{width:100%;min-width:unset}.mobile-hide{display:none!important}.ai-panel{width:100vw;max-width:100vw}.task-detail-panel{border-radius:0!important;width:100vw!important;max-width:100vw!important}.quick-actions-grid{grid-template-columns:1fr}.dashboard-grid{gap:var(--space-2)!important;grid-template-columns:repeat(2,1fr)!important}.dashboard-grid .widget{padding:var(--space-3)!important}.dashboard-grid .stat-value{font-size:var(--font-size-xl)}.dashboard-grid .stat-label{font-size:var(--font-size-xs)}.dashboard-grid .widget-icon{width:36px;height:36px}.dashboard-grid .widget-icon svg{width:16px;height:16px}.widget{padding:var(--space-3)}.widget-header{margin-bottom:var(--space-2)}.widget-title{font-size:var(--font-size-sm)}.note-card{padding:var(--space-3)}.note-card-title{font-size:var(--font-size-sm)}.note-card-preview{font-size:var(--font-size-xs);-webkit-line-clamp:2}.empty-state{padding:var(--space-6) var(--space-3)}.empty-state-icon svg{width:28px;height:28px}.empty-state-title{font-size:var(--font-size-md)}.empty-state-desc{font-size:var(--font-size-xs)}.dashboard-greeting{margin-bottom:12px}.dashboard-greeting h1{font-size:var(--font-size-lg);margin-bottom:2px}.dashboard-greeting p{font-size:var(--font-size-xs)}.dashboard-widgets-grid{grid-template-columns:1fr;gap:var(--space-3)!important}.sidebar{width:280px;max-width:80vw}.sidebar-header{height:48px;padding:var(--space-3)}.sidebar-logo-icon{width:28px;height:28px}.notes-grid{gap:var(--space-3);grid-template-columns:1fr}.badge{font-size:var(--font-size-xs);padding:3px 8px}.task-card{padding:var(--space-3)!important}}