:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--border-color:#e2e8f0;--accent-color:#6366f1;--accent-hover:#4f46e5;--accent-light:#6366f114;--card-bg:#fff;--card-shadow:0 1px 3px 0 #0000000d, 0 1px 2px -1px #0000000d;--card-shadow-hover:0 10px 15px -3px #0000000d, 0 4px 6px -4px #00000008;--font-sans:"Outfit", "Inter", system-ui, -apple-system, sans-serif;--radius-xs:6px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--column-todo:#0284c7;--column-todo-bg:#f0f9ff;--column-progress:#d97706;--column-progress-bg:#fffbeb;--column-review:#7c3aed;--column-review-bg:#faf5ff;--column-done:#059669;--column-done-bg:#ecfdf5;--priority-low:#0284c7;--priority-low-bg:#e0f2fe;--priority-medium:#ea580c;--priority-medium-bg:#ffedd5;--priority-high:#dc2626;--priority-high-bg:#fee2e2}html.theme-dark{--bg-primary:#090d16;--bg-secondary:#0f172a;--bg-tertiary:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#1e293b;--accent-color:#818cf8;--accent-hover:#6366f1;--accent-light:#818cf81f;--card-bg:#1e293b;--card-shadow:0 4px 6px -1px #00000026, 0 2px 4px -2px #0000001a;--card-shadow-hover:0 20px 25px -5px #00000040, 0 8px 10px -6px #0003;--column-todo:#38bdf8;--column-todo-bg:#38bdf80f;--column-progress:#fbbf24;--column-progress-bg:#fbbf240f;--column-review:#c084fc;--column-review-bg:#c084fc0f;--column-done:#34d399;--column-done-bg:#34d3990f;--priority-low:#38bdf8;--priority-low-bg:#38bdf81f;--priority-medium:#fb923c;--priority-medium-bg:#fb923c1f;--priority-high:#f87171;--priority-high-bg:#f871711f}@media (prefers-color-scheme:dark){html:not(.theme-light){--bg-primary:#090d16;--bg-secondary:#0f172a;--bg-tertiary:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#1e293b;--accent-color:#818cf8;--accent-hover:#6366f1;--accent-light:#818cf81f;--card-bg:#1e293b;--card-shadow:0 4px 6px -1px #00000026, 0 2px 4px -2px #0000001a;--card-shadow-hover:0 20px 25px -5px #00000040, 0 8px 10px -6px #0003;--column-todo:#38bdf8;--column-todo-bg:#38bdf80f;--column-progress:#fbbf24;--column-progress-bg:#fbbf240f;--column-review:#c084fc;--column-review-bg:#c084fc0f;--column-done:#34d399;--column-done-bg:#34d3990f;--priority-low:#38bdf8;--priority-low-bg:#38bdf81f;--priority-medium:#fb923c;--priority-medium-bg:#fb923c1f;--priority-high:#f87171;--priority-high-bg:#f871711f}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5;transition:background-color .3s,color .3s}#app{flex-direction:column;width:100%;max-width:1400px;min-height:100vh;margin:0 auto;padding:2.5rem;display:flex}header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:2.5rem;padding-bottom:1.5rem;display:flex}.title-area h1{letter-spacing:-.03em;color:var(--text-primary);font-size:1.75rem;font-weight:700}.title-area p{color:var(--text-secondary);margin-top:.25rem;font-size:.875rem}.controls{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.search-wrapper{align-items:center;display:flex;position:relative}.search-wrapper .lucide-search{color:var(--text-muted);pointer-events:none;position:absolute;left:.75rem}.search-input{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);font-family:var(--font-sans);outline:none;width:260px;padding:.5rem 1rem .5rem 2.25rem;font-size:.875rem;transition:border-color .2s,box-shadow .2s}.search-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-light)}.theme-toggle-group{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);gap:2px;padding:2px;display:flex}.theme-toggle-btn{color:var(--text-muted);border-radius:var(--radius-xs);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:.375rem;transition:all .2s;display:flex}.theme-toggle-btn:hover{color:var(--text-primary)}.theme-toggle-btn.active{background-color:var(--bg-secondary);color:var(--accent-color);box-shadow:0 1px 2px #0000000d}.btn{border-radius:var(--radius-sm);cursor:pointer;font-size:.875rem;font-weight:500;font-family:var(--font-sans);border:1px solid #0000;justify-content:center;align-items:center;gap:.375rem;padding:.5rem 1rem;transition:all 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1.25rem;display:flex}.column-title-wrapper{align-items:center;gap:.625rem;display:flex}.column-dot{border-radius:50%;width:8px;height:8px}.column-title{color:var(--text-primary);letter-spacing:-.01em;font-size:.9rem;font-weight:600}.column-count{background-color:var(--bg-tertiary);color:var(--text-secondary);border-radius:9999px;padding:.125rem .5rem;font-size:.75rem;font-weight:600}.column-actions{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;justify-content:center;align-items:center;padding:.375rem;transition:all .2s;display:flex}.column-actions:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.tasks-list{flex-direction:column;flex-grow:1;gap:.75rem;min-height:150px;padding:1rem;display:flex;overflow-y:auto}.column[data-column-id=todo]{background-color:var(--column-todo-bg)}.column[data-column-id=progress]{background-color:var(--column-progress-bg)}.column[data-column-id=review]{background-color:var(--column-review-bg)}.column[data-column-id=done]{background-color:var(--column-done-bg)}.task-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--card-shadow);cursor:grab;-webkit-user-select:none;user-select:none;flex-direction:column;gap:.75rem;padding:1.125rem;transition:transform .2s,box-shadow .2s,opacity .2s,border-color 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var(--accent-color);box-shadow:none;transform:scale(.98)}.task-card-header{justify-content:space-between;align-items:flex-start;display:flex}.task-title{color:var(--text-primary);letter-spacing:-.01em;font-size:.875rem;font-weight:600;line-height:1.4}.task-desc{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.8rem;line-height:1.5;display:-webkit-box;overflow:hidden}.task-meta{color:var(--text-muted);border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:.25rem;padding-top:.75rem;font-size:.75rem;display:flex}.task-labels{flex-wrap:wrap;gap:.25rem;display:flex}.tag{text-transform:capitalize;border-radius:4px;padding:.125rem .5rem;font-size:.7rem;font-weight:600}.tag.priority-low{color:var(--priority-low);background-color:var(--priority-low-bg)}.tag.priority-medium{color:var(--priority-medium);background-color:var(--priority-medium-bg)}.tag.priority-high{color:var(--priority-high);background-color:var(--priority-high-bg)}.task-date-wrapper{align-items:center;gap:.25rem;display:inline-flex}.task-date-wrapper svg{color:var(--text-muted)}dialog{border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);border-radius:var(--radius-lg);outline:none;width:90%;max-width:460px;margin:auto;padding:2rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}dialog::backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a4d}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.modal-title{letter-spacing:-.02em;font-size:1.15rem;font-weight:700}.modal-close{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;justify-content:center;align-items:center;padding:.25rem;transition:all .2s;display:flex}.modal-close:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.form-group{flex-direction:column;gap:.375rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}.form-input,.form-textarea,.form-select{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);outline:none;width:100%;padding:.625rem .75rem;font-size:.875rem;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-light)}.form-actions{justify-content:flex-end;gap:.75rem;margin-top:2rem;display:flex}.empty-state{height:120px;color:var(--text-muted);text-align:center;border:2px dashed var(--border-color);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background-color:#fff3;flex-direction:column;justify-content:center;align-items:center;padding:1rem;font-size:.825rem;display:flex}html.theme-dark .empty-state{background-color:#0000001a}