*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}ul,ol{list-style:none}a{color:inherit;text-decoration:none}:root{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-2: #1c2128;--color-surface-hover: #22272e;--color-border: #30363d;--color-border-muted: #21262d;--color-text: #e6edf3;--color-text-muted: #8b949e;--color-text-dim: #484f58;--color-primary: #388bfd;--color-primary-hover: #58a6ff;--color-primary-subtle: rgba(56, 139, 253, .15);--color-success: #3fb950;--color-success-subtle: rgba(63, 185, 80, .12);--color-danger: #f85149;--color-danger-hover: #ff7b72;--color-danger-subtle: rgba(248, 81, 73, .12);--color-drag-over: rgba(56, 139, 253, .1);--accent-blue: #388bfd;--accent-green: #3fb950;--accent-amber: #d29922;--accent-red: #f85149;--accent-purple: #bc8cff;--accent-teal: #39c5cf;--header-height: 52px;--toolbar-height: 44px;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: .875rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-glow: 0 0 0 3px}html{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg)}#root{min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--color-bg)}.app-header{position:sticky;top:0;z-index:100;height:var(--header-height);display:flex;align-items:center;padding:0 var(--space-xl);background:#0d1117e0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border)}.app-title{font-size:var(--font-size-base);font-weight:600;letter-spacing:-.01em;color:var(--color-text)}.app-main{flex:1}.task{position:relative;display:flex;align-items:center;gap:var(--space-sm);padding:8px var(--space-sm);background:var(--color-surface-2);border:1px solid var(--color-border-muted);border-radius:var(--radius-lg);cursor:grab;transition:background .12s,border-color .12s,box-shadow .12s,opacity .15s}.task:hover{background:var(--color-surface-hover);border-color:var(--color-border)}.task:hover .task__edit-btn{opacity:1}.task:before{content:"";position:absolute;top:-3px;left:10px;right:10px;height:2px;background:var(--col-accent, var(--color-primary));border-radius:var(--radius-full);opacity:0;transition:opacity .1s;pointer-events:none}.task--drag-over:before{opacity:1}.task--dragging{opacity:.3;cursor:grabbing}.task--selected{border-color:var(--col-accent, var(--color-primary));background:var(--color-primary-subtle)}.task--selected:hover{background:#388bfd33}.task--editing{cursor:default;border-color:var(--col-accent, var(--color-primary))}.task--completed .task__title{text-decoration:line-through;color:var(--color-text-dim)}.task__complete-btn{flex-shrink:0;width:1rem;height:1rem;border:1.5px solid var(--color-border);border-radius:50%;background:transparent;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;color:transparent;transition:border-color .12s,background .12s,color .12s}.task__complete-btn:hover{border-color:var(--color-success);background:var(--color-success-subtle)}.task--completed .task__complete-btn{border-color:var(--color-success);background:var(--color-success);color:#fff}.task__body{flex:1;min-width:0;display:flex;align-items:center}.task__highlight{background:#d2992259;color:#e3b341;border-radius:2px;padding:0 1px}.task__title{display:block;font-size:var(--font-size-sm);color:var(--color-text);word-break:break-word;line-height:1.45;transition:color .1s}.task__input{width:100%;min-width:0;min-height:1.45em;box-sizing:border-box;font-size:var(--font-size-sm);font-family:inherit;line-height:1.45;border:none;outline:none;background:transparent;color:var(--color-text);padding:0;margin:0}.task__actions{flex-shrink:0;display:flex;align-items:center;gap:2px}.task__edit-btn{display:flex;align-items:center;justify-content:center;width:1.25rem;height:1.25rem;border:none;background:transparent;border-radius:var(--radius-sm);color:var(--color-text-dim);cursor:pointer;padding:0;opacity:0;transition:opacity .12s,background .1s,color .1s}.task__edit-btn:hover{background:var(--color-surface-2);color:var(--color-text-muted)}@media(hover:none){.task__edit-btn{opacity:1}}.task__select{flex-shrink:0;width:.9rem;height:.9rem;cursor:pointer;accent-color:var(--col-accent, var(--color-primary))}.column{width:100%;display:flex;flex-direction:column;max-height:calc(100vh - var(--header-height) - var(--toolbar-height) - 4rem);background:var(--color-surface);border:1px solid var(--color-border);border-top:2px solid var(--col-accent, var(--color-primary));border-radius:var(--radius-xl);overflow:hidden;align-self:flex-start;transition:opacity .15s,box-shadow .15s}.column--dragging{opacity:.3}.column--drag-over{box-shadow:0 0 0 2px var(--col-accent, var(--color-primary)),var(--shadow-md)}.column__color-wrapper{position:relative;flex-shrink:0}.column__color-dot{display:block;width:.75rem;height:.75rem;border-radius:50%;border:none;padding:0;cursor:pointer;transition:transform .12s,box-shadow .12s}.column__color-dot:hover{transform:scale(1.25);box-shadow:0 0 0 2px #ffffff26}.column__color-palette{position:absolute;top:calc(100% + 6px);left:0;z-index:200;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:var(--space-xs);background:var(--color-surface-hover);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.column__color-swatch{width:1.25rem;height:1.25rem;border-radius:var(--radius-sm);border:2px solid transparent;padding:0;cursor:pointer;transition:transform .1s,border-color .1s}.column__color-swatch:hover{transform:scale(1.15)}.column__color-swatch--active{border-color:#fff;box-shadow:0 0 0 1px #0000004d}.column__header{flex-shrink:0;display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm);border-bottom:1px solid var(--color-border-muted)}.column__grip{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:1.375rem;height:1.375rem;border:none;background:transparent;cursor:grab;color:var(--color-text-dim);font-size:.875rem;padding:0;border-radius:var(--radius-sm);transition:background .1s,color .1s}.column__grip:hover{background:var(--color-surface-hover);color:var(--color-text-muted)}.column__grip:active{cursor:grabbing}.column__title{flex:1;display:flex;align-items:center;gap:var(--space-xs);min-width:0;background:transparent;border:none;padding:3px var(--space-xs);cursor:text;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text);text-align:left;border-radius:var(--radius-sm);transition:background .1s}.column__title:hover{background:var(--color-surface-hover)}.column__title:focus-visible{outline:2px solid var(--col-accent, var(--color-primary));outline-offset:1px}.column__rename-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border:none;background:transparent;border-radius:var(--radius-sm);color:var(--color-text-dim);cursor:pointer;padding:0;transition:background .1s,color .1s}@media(hover:hover){.column__rename-btn{display:none}}.column__rename-btn:hover{background:var(--color-surface-hover);color:var(--color-text-muted)}.column__rename-btn:focus-visible{outline:2px solid var(--col-accent, var(--color-primary));outline-offset:1px}.column__title-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.column__count{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:1.125rem;height:1.125rem;padding:0 4px;background:var(--color-surface-2);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:500}.column__title-input{flex:1;min-width:0;font-size:var(--font-size-sm);font-weight:600;border:1px solid var(--col-accent, var(--color-primary));border-radius:var(--radius-sm);padding:3px var(--space-xs);outline:none;background:var(--color-surface-2);color:var(--color-text)}.column__actions{display:flex;align-items:center;gap:1px;flex-shrink:0}.column__select-all{display:flex;align-items:center;justify-content:center;width:1.375rem;height:1.375rem;cursor:pointer;border-radius:var(--radius-sm);transition:background .1s}.column__select-all:hover{background:var(--color-surface-hover)}.column__select-all input{accent-color:var(--col-accent, var(--color-primary));cursor:pointer;width:.85rem;height:.85rem}.column__btn{display:flex;align-items:center;justify-content:center;width:1.375rem;height:1.375rem;border:none;background:transparent;border-radius:var(--radius-sm);font-size:1rem;line-height:1;color:var(--color-text-dim);cursor:pointer;padding:0;transition:background .1s,color .1s}.column__btn:hover{background:var(--color-surface-hover);color:var(--color-text-muted)}.column__btn--danger:hover{background:var(--color-danger-subtle);color:var(--color-danger)}.column__body{flex:0 1 auto;min-height:0;overflow-y:auto;padding:var(--space-sm);display:flex;flex-direction:column;gap:4px}.column__body::-webkit-scrollbar{width:4px}.column__body::-webkit-scrollbar-track{background:transparent}.column__body::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}.column__empty{font-size:var(--font-size-xs);color:var(--color-text-dim);text-align:center;padding:var(--space-md) 0;-webkit-user-select:none;user-select:none}.column__footer{flex-shrink:0;padding:var(--space-xs) var(--space-sm) var(--space-sm);border-top:1px solid var(--color-border-muted)}.column__new-task-btn{width:100%;padding:6px var(--space-sm);border:1px dashed var(--color-border-muted);border-radius:var(--radius-md);background:transparent;color:var(--color-text-dim);font-size:var(--font-size-xs);font-weight:500;cursor:pointer;text-align:left;transition:border-color .15s,color .15s,background .15s}.column__new-task-btn:hover{border-color:var(--col-accent, var(--color-primary));color:var(--col-accent, var(--color-primary));background:var(--color-primary-subtle)}.column__add-task{display:flex;flex-direction:column;gap:var(--space-xs)}.column__add-task-input{width:100%;padding:6px var(--space-sm);border:1px solid var(--col-accent, var(--color-primary));border-radius:var(--radius-md);font-size:var(--font-size-sm);outline:none;background:var(--color-surface-2);color:var(--color-text)}.column__add-task-input::placeholder{color:var(--color-text-dim)}.column__add-task-row{display:flex;gap:var(--space-xs)}.column__add-task-submit,.column__add-task-cancel{flex:1;padding:5px var(--space-sm);border-radius:var(--radius-md);font-size:var(--font-size-xs);font-weight:500;cursor:pointer;border:none;transition:background .1s,filter .1s}.column__add-task-submit{background:var(--col-accent, var(--color-primary));color:#fff}.column__add-task-submit:hover{filter:brightness(1.12)}.column__add-task-cancel{background:var(--color-surface-hover);color:var(--color-text-muted);border:1px solid var(--color-border)}.column__add-task-cancel:hover{background:var(--color-border);color:var(--color-text)}.board{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));align-items:start;gap:var(--space-md);padding:var(--space-xl)}.board__add-column-btn{width:100%;align-self:flex-start;padding:var(--space-sm) var(--space-md);border:1px dashed var(--color-border);border-radius:var(--radius-xl);background:transparent;color:var(--color-text-muted);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;text-align:center;min-height:44px;transition:border-color .15s,color .15s,background .15s}.board__add-column-btn:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-subtle)}.board__add-column-card{width:100%;align-self:flex-start;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-sm)}.board__add-column-form{display:flex;flex-direction:column;gap:var(--space-xs)}.board__add-column-input{width:100%;padding:var(--space-xs) var(--space-sm);border:1px solid var(--color-primary);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;outline:none;background:var(--color-surface-2);color:var(--color-text)}.board__add-column-input::placeholder{color:var(--color-text-dim);font-weight:400}.board__add-column-row{display:flex;gap:var(--space-xs)}.board__add-column-submit,.board__add-column-cancel{flex:1;padding:5px var(--space-sm);border-radius:var(--radius-md);font-size:var(--font-size-xs);font-weight:500;cursor:pointer;border:none;transition:background .1s}.board__add-column-submit{background:var(--color-primary);color:#fff}.board__add-column-submit:hover{background:var(--color-primary-hover)}.board__add-column-cancel{background:var(--color-surface-hover);color:var(--color-text-muted);border:1px solid var(--color-border)}.board__add-column-cancel:hover{background:var(--color-border);color:var(--color-text)}@keyframes banner-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.bar{position:sticky;top:calc(var(--header-height) + var(--toolbar-height));z-index:99;display:flex;align-items:center;gap:var(--space-md);padding:var(--space-xs) var(--space-xl);min-height:40px;background:var(--color-surface);border-bottom:1px solid var(--color-border);animation:banner-in .15s ease}@media(max-width:600px){.bar{padding:var(--space-xs) var(--space-md);flex-wrap:wrap;gap:var(--space-xs)}}.bar__count{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);white-space:nowrap;min-width:7rem}.bar__actions{flex:1;display:flex;align-items:center;gap:2px}.bar__divider{width:1px;height:1.125rem;background:var(--color-border);margin:0 var(--space-xs);flex-shrink:0}.bar__btn{display:flex;align-items:center;gap:5px;padding:4px var(--space-sm);border:none;background:transparent;border-radius:var(--radius-md);color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:500;cursor:pointer;white-space:nowrap;transition:background .1s,color .1s}.bar__btn:hover{background:var(--color-surface-hover);color:var(--color-text)}.bar__btn--danger:hover{background:var(--color-danger-subtle);color:var(--color-danger)}.bar__move{display:flex;align-items:center;gap:5px;padding:4px var(--space-sm);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;transition:background .1s,color .1s}.bar__move:hover{background:var(--color-surface-hover);color:var(--color-text)}.bar__move svg{flex-shrink:0;pointer-events:none}.bar__move-select{background:transparent;border:none;outline:none;color:inherit;font-size:var(--font-size-xs);font-weight:500;font-family:var(--font-sans);cursor:pointer;padding:0}.bar__move-select option{background:var(--color-surface);color:var(--color-text)}.bar__close{display:flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border:none;background:transparent;border-radius:var(--radius-sm);color:var(--color-text-dim);font-size:.75rem;cursor:pointer;margin-left:auto;flex-shrink:0;transition:background .1s,color .1s}.bar__close:hover{background:var(--color-surface-hover);color:var(--color-text-muted)}.toolbar{position:sticky;top:var(--header-height);z-index:99;display:flex;align-items:center;gap:var(--space-md);padding:var(--space-xs) var(--space-xl);height:var(--toolbar-height);background:#0d1117e0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}@media(max-width:600px){.toolbar{padding:var(--space-xs) var(--space-md);gap:var(--space-sm)}}.toolbar__search{position:relative;display:flex;align-items:center;flex:1;max-width:320px}.toolbar__search-icon{position:absolute;left:var(--space-sm);display:flex;color:var(--color-text-dim);pointer-events:none}.toolbar__search-input{width:100%;height:30px;padding:0 var(--space-xl) 0 2rem;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text);font-size:var(--font-size-xs);font-family:var(--font-sans);outline:none;transition:border-color .15s,background .15s}.toolbar__search-input::placeholder{color:var(--color-text-dim)}.toolbar__search-input:focus{border-color:var(--color-primary);background:var(--color-surface)}.toolbar__search-clear{position:absolute;right:var(--space-sm);display:flex;align-items:center;justify-content:center;width:18px;height:18px;border:none;background:transparent;color:var(--color-text-dim);border-radius:var(--radius-full);cursor:pointer;padding:0;transition:background .1s,color .1s}.toolbar__search-clear:hover{background:var(--color-surface-hover);color:var(--color-text-muted)}.toolbar__filters{display:flex;align-items:center;gap:2px;margin-left:auto;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:2px}.toolbar__filter-btn{height:26px;padding:0 .75rem;border:none;background:transparent;border-radius:var(--radius-full);color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:500;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}.toolbar__filter-btn:hover{color:var(--color-text)}.toolbar__filter-btn--active{background:var(--color-surface-hover);color:var(--color-text);font-weight:600}