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ease}.btn-text:hover{background:#ffffff1a}.btn-text-danger{color:#ef4444}.btn-text-danger:hover{background:#ef44441a}.timer-history{flex:1;overflow-y:auto;padding:var(--spacing-md)}.history-entry{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-xs);background:#ffffff0d;border-radius:var(--border-radius-sm);border-left:2px solid var(--cardfile-border)}.entry-time{font-size:.75rem;color:#fffc;flex:1}.entry-duration{font-size:.75rem;font-weight:600;color:var(--cardfile-text);font-family:Monaco,Menlo,Ubuntu Mono,monospace}.no-history{text-align:center;padding:var(--spacing-xl);color:#fff9;font-size:.875rem}.history-more{text-align:center;padding:var(--spacing-sm);color:#fff9;font-size:.75rem;font-style:italic}@keyframes timerPop{0%{transform:scale(.8) rotate(-10deg);opacity:0}50%{transform:scale(1.05) rotate(2deg)}to{transform:scale(1) rotate(0);opacity:1}}.timer-card{animation:timerPop .5s ease-out}.timer-history::-webkit-scrollbar{width:6px}.timer-history::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.timer-history::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:3px}.timer-history::-webkit-scrollbar-thumb:hover{background:#ffffff80}.timer-card.running .current-time{color:#10b981;text-shadow:0 0 10px rgba(16,185,129,.5)}.timer-card.running{animation:running-glow 3s ease-in-out infinite alternate}@keyframes running-glow{0%{box-shadow:0 0 5px #10b9814d}to{box-shadow:0 0 20px #10b98199}}.kanban-board{position:absolute;min-width:500px;max-width:1200px;min-height:350px;max-height:800px;background:linear-gradient(135deg,var(--cardfile-bg-primary) 0%,var(--cardfile-bg-secondary) 100%);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);border:2px solid var(--cardfile-border);transition:all .2s ease;overflow:hidden;-webkit-user-select:none;user-select:none;color:var(--cardfile-text);z-index:1;display:flex;flex-direction:column;cursor:move}.kanban-board:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--accent-secondary)}.kanban-board.dragging{z-index:1000;transform:rotate(1deg) scale(1.02);box-shadow:var(--shadow-xl);cursor:grabbing}.kanban-header{padding:var(--spacing-lg);border-bottom:1px solid rgba(255,107,53,.2);background:#ff6b351a;flex-shrink:0;display:flex;align-items:center;gap:var(--spacing-md)}.kanban-icon{font-size:1.25rem;color:var(--cardfile-border);flex-shrink:0}.kanban-title{background:transparent;border:none;color:var(--cardfile-border);font-weight:600;font-size:1.125rem;outline:none;font-family:inherit;flex:1;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-sm);transition:background .2s ease}.kanban-title:focus{background:#ffffff1a}.kanban-title::placeholder{color:#ff6b35b3}.kanban-meta{display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.card-count{background:#fff3;color:var(--cardfile-text);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-sm);font-size:.75rem;font-weight:600;min-width:24px;text-align:center}.kanban-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.kanban-columns{flex:1;display:flex;overflow-x:auto;overflow-y:hidden;padding:var(--spacing-lg);gap:var(--spacing-lg);min-height:0}.kanban-column{min-width:250px;max-width:300px;flex-shrink:0;background:#ffffff0d;border-radius:var(--border-radius-md);border:1px solid rgba(255,107,53,.2);display:flex;flex-direction:column;transition:all .2s ease}.kanban-column.drag-over{border-color:var(--accent-secondary);background:#ff6b351a;transform:scale(1.02)}.column-header{padding:var(--spacing-md);border-bottom:1px solid rgba(255,107,53,.2);background:#ff6b350d;flex-shrink:0;display:flex;align-items:center;gap:var(--spacing-sm)}.column-title{background:transparent;border:none;color:var(--cardfile-text);font-weight:600;font-size:.875rem;outline:none;font-family:inherit;flex:1;padding:var(--spacing-xs);border-radius:var(--border-radius-sm);transition:background .2s ease}.column-title:focus{background:#ffffff1a}.column-title::placeholder{color:#fff9}.column-meta{display:flex;align-items:center;gap:var(--spacing-xs)}.column-count{background:#fff3;color:var(--cardfile-text);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-sm);font-size:.75rem;font-weight:500;min-width:20px;text-align:center}.column-content{flex:1;padding:var(--spacing-md);overflow-y:auto;min-height:150px;display:flex;flex-direction:column;gap:var(--spacing-md)}.kanban-card{background:var(--card-bg-primary);border-radius:var(--border-radius-md);border:1px solid var(--border-color);cursor:pointer;transition:all .2s ease;overflow:hidden;-webkit-user-select:none;user-select:none}.kanban-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-primary)}.kanban-card.dragging{opacity:.7;transform:rotate(3deg) scale(1.05);z-index:1000;box-shadow:var(--shadow-lg)}.card-header{padding:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);border-bottom:1px solid var(--border-color)}.card-icon{font-size:.875rem;color:var(--text-secondary);flex-shrink:0}.card-title{flex:1;font-size:.875rem;font-weight:600;color:var(--text-primary);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-content{padding:var(--spacing-sm) var(--spacing-md);font-size:.75rem;color:var(--text-secondary);line-height:1.4;border-bottom:1px solid var(--border-color)}.card-footer{padding:var(--spacing-sm) var(--spacing-md);display:flex;justify-content:space-between;align-items:center}.timer-badge{background:#10b9811a;color:#10b981;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-sm);font-size:.75rem;font-weight:500;border:1px solid rgba(16,185,129,.2)}.column-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-2xl);text-align:center;opacity:.6;min-height:150px}.empty-icon{font-size:2rem;opacity:.5}.column-empty p{color:#ffffffb3;font-size:.875rem;line-height:1.4}.btn-icon{background:#fff3;border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius-sm);width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.75rem;transition:all .2s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--cardfile-text)}.btn-icon:hover{background:#ffffff4d;transform:scale(1.05);box-shadow:var(--shadow-sm)}.btn-icon.btn-danger:hover{background:#ef4444cc;color:#fff;border-color:#ef44444d}.btn-icon.btn-sm{width:24px;height:24px;font-size:.625rem}.resize-handle{position:absolute;background:var(--cardfile-border);opacity:0;transition:opacity .2s ease;z-index:10}.kanban-board:hover .resize-handle{opacity:.6}.resize-handle:hover{opacity:1!important}.resize-right{top:0;right:0;width:4px;height:100%;cursor:ew-resize}.resize-bottom{bottom:0;left:0;width:100%;height:4px;cursor:ns-resize}.resize-corner{bottom:0;right:0;width:12px;height:12px;cursor:nw-resize;border-radius:var(--border-radius-sm) 0 0 0}@keyframes kanbanPop{0%{transform:scale(.9) rotate(-2deg);opacity:0}50%{transform:scale(1.05) rotate(1deg)}to{transform:scale(1) rotate(0);opacity:1}}.kanban-board{animation:kanbanPop .5s ease-out}.kanban-columns::-webkit-scrollbar{height:8px}.kanban-columns::-webkit-scrollbar-track{background:#ffffff1a;border-radius:4px}.kanban-columns::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px}.kanban-columns::-webkit-scrollbar-thumb:hover{background:#ffffff80}.column-content::-webkit-scrollbar{width:6px}.column-content::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.column-content::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:3px}.column-content::-webkit-scrollbar-thumb:hover{background:#ffffff80}@keyframes columnHighlight{0%{background:#ff6b350d}50%{background:#ff6b3526}to{background:#ff6b350d}}.kanban-column.drag-over{animation:columnHighlight 1s infinite}.kanban-card[draggable]{cursor:grab}.kanban-card[draggable]:active{cursor:grabbing}@media (max-width: 768px){.kanban-board{min-width:350px}.kanban-columns{padding:var(--spacing-md);gap:var(--spacing-md)}.kanban-column{min-width:200px}.kanban-header{padding:var(--spacing-md);flex-wrap:wrap;gap:var(--spacing-sm)}.kanban-title{font-size:1rem}}.canvas{position:fixed;inset:80px 0 0;overflow:hidden;background:radial-gradient(circle at 25% 25%,var(--canvas-gradient1) 0%,transparent 50%),radial-gradient(circle at 75% 75%,var(--canvas-gradient2) 0%,transparent 50%);background-size:100% 100%}.loading-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:var(--text-secondary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top:3px solid var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto var(--spacing-lg)}.loading-indicator p{font-size:1.125rem;font-weight:500}.empty-state{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;max-width:400px;width:90%}.empty-content{background:var(--card-bg-primary);border-radius:var(--border-radius-xl);padding:var(--spacing-3xl);box-shadow:var(--shadow-lg);border:1px solid var(--border-color)}.empty-content h3{color:var(--text-primary);font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-md)}.empty-content p{color:var(--text-secondary);font-size:1rem;margin-bottom:var(--spacing-xl);line-height:1.6}.empty-actions{display:flex;flex-wrap:wrap;gap:var(--spacing-md);justify-content:center;margin-top:var(--spacing-lg)}.empty-actions .btn{padding:var(--spacing-md) var(--spacing-lg);font-size:.875rem;font-weight:600;min-width:140px;display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs)}.canvas:before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),rgba(var(--accent-primary),.02) 0%,transparent 40%);pointer-events:none;transition:opacity .5s ease;opacity:0}.canvas:hover:before{opacity:1}.canvas{-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.canvas:after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,var(--border-color) 1px,transparent 0);background-size:40px 40px;opacity:.1;pointer-events:none}@media (max-width: 768px){.canvas{top:120px}.empty-content{padding:var(--spacing-2xl)}.empty-content h3{font-size:1.25rem}.empty-content p{font-size:.875rem}}.canvas-tabs{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:0;position:sticky;top:60px;z-index:100;min-height:50px}.tabs-container{display:flex;align-items:center;gap:2px;padding:8px 16px;overflow-x:auto;scrollbar-width:thin}.canvas-tab{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px 6px 0 0;cursor:pointer;transition:all .2s ease;min-width:120px;max-width:200px;white-space:nowrap;-webkit-user-select:none;user-select:none;position:relative}.canvas-tab:hover{background:var(--bg-hover);border-color:var(--accent-primary)}.canvas-tab.active{background:var(--card-bg-primary);border-color:var(--accent-primary);border-bottom-color:var(--card-bg-primary);position:relative;z-index:1}.canvas-tab.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:1px;background:var(--card-bg-primary)}.tab-name{flex:1;font-size:14px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis}.canvas-tab.active .tab-name{color:var(--text-primary);font-weight:600}.canvas-tab:not(.active) .tab-name{color:var(--text-secondary)}[data-theme=matrix] .canvas-tab:not(.active) .tab-name{color:#fff;opacity:.8}[data-theme=matrix] .canvas-tab.active .tab-name{color:#00ff41}[data-theme=midnight] .canvas-tab:not(.active) .tab-name{color:#e2e8f0;opacity:.8}[data-theme=midnight] .canvas-tab.active .tab-name{color:#fff}[data-theme=ocean] .canvas-tab.active .tab-name,[data-theme=sunset] .canvas-tab.active .tab-name,[data-theme=forest] .canvas-tab.active .tab-name{color:#1f2937}[data-theme=devblob] .canvas-tab.active .tab-name{color:#1a1a1a}.tab-count{background:var(--accent-secondary);color:var(--text-secondary);font-size:12px;padding:2px 6px;border-radius:10px;min-width:16px;text-align:center}.tab-close{background:none;border:none;color:var(--text-secondary);font-size:16px;line-height:1;cursor:pointer;padding:2px;border-radius:3px;transition:all .2s ease;opacity:.7}.tab-close:hover{background:var(--danger-color);color:#fff;opacity:1}.tab-name-input{flex:1;background:var(--bg-primary);border:1px solid var(--accent-primary);border-radius:3px;padding:4px 6px;font-size:14px;font-weight:500;color:var(--text-primary);outline:none}.new-canvas-btn{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);font-size:18px;font-weight:700;line-height:1;cursor:pointer;padding:8px 12px;border-radius:6px;transition:all .2s ease;min-width:40px}.new-canvas-btn:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.tabs-container::-webkit-scrollbar{height:4px}.tabs-container::-webkit-scrollbar-track{background:var(--bg-secondary)}.tabs-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.tabs-container::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.auth-modal{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)}.auth-content{background:var(--card-bg-primary);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-xl);max-width:400px;width:100%;padding:var(--spacing-3xl);border:1px solid var(--border-color)}.auth-header{text-align:center;margin-bottom:var(--spacing-3xl)}.auth-header h2{color:var(--text-primary);font-size:1.875rem;font-weight:700;margin-bottom:var(--spacing-md)}.auth-header p{color:var(--text-secondary);font-size:.875rem;line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column}.form-input{width:100%;padding:var(--spacing-md) var(--spacing-lg);border:1px solid var(--input-border);border-radius:var(--border-radius-md);font-size:1rem;font-family:inherit;background:var(--input-bg);color:var(--text-primary);transition:all .2s ease}.form-input:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px #3b82f61a}.form-input:disabled{opacity:.6;cursor:not-allowed}.form-input::placeholder{color:var(--text-light)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:var(--spacing-md);border-radius:var(--border-radius-md);font-size:.875rem;text-align:center}.btn-full{width:100%;padding:var(--spacing-lg);font-size:1rem;font-weight:600}.auth-switch{text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--border-color)}.auth-switch p{color:var(--text-secondary);font-size:.875rem;margin:0;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.btn-link{background:none;border:none;color:var(--accent-primary);font-size:.875rem;font-weight:500;cursor:pointer;padding:var(--spacing-xs);border-radius:var(--border-radius-sm);transition:all .2s ease}.btn-link:hover{background:var(--card-bg-secondary);color:var(--accent-secondary)}.btn-link:disabled{opacity:.6;cursor:not-allowed}[data-theme=matrix] .error-message,[data-theme=midnight] .error-message{background:#dc26261a;border-color:#dc26264d;color:#fca5a5}.app{width:100vw;height:100vh;overflow:hidden;position:relative}.loading-screen{position:fixed;inset:0;background:var(--bg-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999}.loading-screen .loading-spinner{width:60px;height:60px;border:4px solid rgba(255,255,255,.1);border-top:4px solid var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:var(--spacing-xl)}.loading-screen p{color:#fff;font-size:1.25rem;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.btn{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--border-radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:var(--spacing-xs);white-space:nowrap;text-decoration:none;font-family:inherit}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--cardfile-bg-primary);color:var(--cardfile-text);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--cardfile-bg-secondary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-danger{background:#ef4444;color:#fff;box-shadow:var(--shadow-sm)}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.btn-full{width:100%;justify-content:center}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.form-input,.form-textarea,.form-select{width:100%;padding:var(--spacing-md);border:1px solid var(--input-border);border-radius:var(--border-radius-md);font-size:1rem;font-family:inherit;background:var(--input-bg);color:var(--text-primary);transition:all .2s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--input-focus);box-shadow:0 0 0 3px #3b82f61a}.form-textarea{resize:vertical;min-height:100px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.hidden{display:none!important}.visible{display:block!important}