:root{--bg-main:#0b0f19;--bg-card:#121826bf;--bg-card-hover:#1c2438d9;--bg-sidebar:#0d111cd9;--bg-header:#0d111ccc;--bg-input:#ffffff0d;--bg-input-focus:#ffffff17;--border-color:#ffffff14;--border-color-hover:#ffffff26;--border-focus:#6366f1;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-primary:#6366f1;--accent-primary-hover:#4f46e5;--accent-primary-light:#6366f126;--accent-secondary:#ec4899;--status-urgent:#ef4444;--status-urgent-bg:#ef44441f;--status-high:#f59e0b;--status-high-bg:#f59e0b1f;--status-medium:#3b82f6;--status-medium-bg:#3b82f61f;--status-low:#10b981;--status-low-bg:#10b9811f;--shadow-sm:0 2px 4px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 10px 25px -5px #00000080;--shadow-glow:0 0 20px #6366f140;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:all .15s cubic-bezier(.4, 0, .2, 1);--transition-normal:all .25s cubic-bezier(.4, 0, .2, 1);--transition-spring:all .35s cubic-bezier(.175, .885, .32, 1.275)}[data-theme=light]{--bg-main:#f8fafc;--bg-card:#ffffffd9;--bg-card-hover:#fffffffa;--bg-sidebar:#f1f5f9e6;--bg-header:#f1f5f9d9;--bg-input:#0000000a;--bg-input-focus:#00000012;--border-color:#00000014;--border-color-hover:#00000029;--border-focus:#4f46e5;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#4f46e5;--accent-primary-hover:#4338ca;--accent-primary-light:#4f46e51a;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 12px 24px -4px #0000001f;--shadow-glow:0 0 20px #4f46e526}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;transition:background-color .3s,color .3s;overflow-x:hidden}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-family:Outfit,sans-serif;font-weight:600}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#9ca3af40}::-webkit-scrollbar-thumb:hover{background:#9ca3af66}.app-container{background:radial-gradient(circle at 10% 20%,#6366f114 0%,#0000 40%),radial-gradient(circle at 90% 80%,#ec49990f 0%,#0000 40%);min-height:100vh;display:flex;position:relative}.main-wrapper{flex-direction:column;flex:1;min-width:0;display:flex}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px 32px 48px}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:var(--transition-normal)}.glass-panel:hover{border-color:var(--border-color-hover)}.app-header{z-index:30;background:var(--bg-header);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:20px;padding:16px 32px;display:flex;position:sticky;top:0}.search-bar-container{flex:1;max-width:460px;position:relative}.search-input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-full);width:100%;color:var(--text-primary);transition:var(--transition-fast);outline:none;padding:10px 16px 10px 42px;font-size:.9rem}.search-input:focus{background:var(--bg-input-focus);border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.header-actions{align-items:center;gap:12px;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-spring);-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:.9rem;font-weight:500;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--accent-primary) 0%, #4338ca 100%);color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 20px #6366f180}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background:var(--bg-input-focus);border-color:var(--border-color-hover)}.btn-icon{border-radius:var(--radius-full);background:var(--bg-input);width:40px;height:40px;color:var(--text-secondary);border:1px solid var(--border-color);padding:0}.btn-icon:hover{color:var(--text-primary);background:var(--bg-input-focus);border-color:var(--border-color-hover);transform:rotate(15deg)}.sidebar{background:var(--bg-sidebar);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;gap:28px;width:280px;padding:24px 16px;transition:transform .3s;display:flex}.brand{align-items:center;gap:12px;padding:0 12px;display:flex}.brand-icon{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);color:#fff;justify-content:center;align-items:center;width:38px;height:38px;display:flex;box-shadow:0 4px 12px #6366f14d}.brand-title{background:linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:700}.nav-section-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:0 12px 8px;font-size:.75rem;font-weight:600}.nav-list{flex-direction:column;gap:4px;list-style:none;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);justify-content:space-between;align-items:center;padding:10px 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.nav-badge{background:var(--accent-primary);color:#fff}.color-dot{border-radius:var(--radius-full);width:10px;height:10px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{align-items:center;gap:16px;padding:20px;display:flex}.stat-icon-wrapper{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-info{flex-direction:column;display:flex}.stat-value{font-size:1.6rem;font-weight:700;line-height:1.2}.stat-label{color:var(--text-secondary);font-size:.8rem}.progress-bar-container{background:var(--bg-input);border-radius:var(--radius-full);width:100%;height:6px;margin-top:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);border-radius:var(--radius-full);height:100%;transition:width .5s ease-out}.controls-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.view-title{align-items:center;gap:10px;font-size:1.5rem;font-weight:700;display:flex}.filter-group{background:var(--bg-sidebar);border-radius:var(--radius-md);border:1px solid var(--border-color);align-items:center;gap:8px;padding:4px;display:flex}.filter-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;padding:6px 14px;font-size:.82rem;font-weight:500}.filter-btn:hover{color:var(--text-primary)}.filter-btn.active{background:var(--bg-card);color:var(--text-primary);box-shadow:var(--shadow-sm)}.task-list{flex-direction:column;gap:12px;display:flex}.task-item{flex-direction:column;gap:12px;padding:18px 20px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative;overflow:hidden}.task-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.task-item.completed{opacity:.7}.task-item.completed .task-title{color:var(--text-muted);text-decoration:line-through}.task-main-row{align-items:flex-start;gap:14px;display:flex}.custom-checkbox{border:2px solid var(--border-color-hover);cursor:pointer;width:22px;height:22px;transition:var(--transition-spring);background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;display:flex}.custom-checkbox:hover{border-color:var(--accent-primary);background:var(--accent-primary-light)}.custom-checkbox.checked{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.task-content{flex:1;min-width:0}.task-header-line{justify-content:space-between;align-items:center;gap:12px;display:flex}.task-title{color:var(--text-primary);margin-bottom:4px;font-size:1.05rem;font-weight:600;line-height:1.3}.task-description{color:var(--text-secondary);margin-bottom:8px;font-size:.88rem;line-height:1.4}.task-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:10px;font-size:.78rem;display:flex}.badge{border-radius:var(--radius-full);text-transform:capitalize;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-urgent{background:var(--status-urgent-bg);color:var(--status-urgent);border:1px solid #ef444433}.badge-high{background:var(--status-high-bg);color:var(--status-high);border:1px solid #f59e0b33}.badge-medium{background:var(--status-medium-bg);color:var(--status-medium);border:1px solid #3b82f633}.badge-low{background:var(--status-low-bg);color:var(--status-low);border:1px solid #10b98133}.due-tag{color:var(--text-secondary);align-items:center;gap:4px;display:inline-flex}.due-tag.overdue{color:var(--status-urgent);font-weight:600}.task-actions{opacity:.8;align-items:center;gap:4px;transition:opacity .2s;display:flex}.task-item:hover .task-actions{opacity:1}.action-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;width:32px;height:32px;transition:var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.action-btn:hover{background:var(--bg-input);color:var(--text-primary)}.action-btn.star.active{color:#f59e0b}.action-btn.delete:hover{color:var(--status-urgent);background:#ef444426}.subtasks-container{border-top:1px dashed var(--border-color);flex-direction:column;gap:6px;margin-top:8px;padding-top:10px;display:flex}.subtask-item{color:var(--text-secondary);align-items:center;gap:10px;font-size:.85rem;display:flex}.subtask-item.completed span{color:var(--text-muted);text-decoration:line-through}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:60px 20px;display:flex}.empty-icon{border-radius:var(--radius-full);background:var(--accent-primary-light);width:64px;height:64px;color:var(--accent-primary);justify-content:center;align-items:center;display:flex}.modal-overlay{z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#000000a6;justify-content:center;align-items:center;padding:20px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color-hover);border-radius:var(--radius-xl);width:100%;max-width:580px;box-shadow:var(--shadow-lg);flex-direction:column;gap:20px;padding:28px;animation:.25s cubic-bezier(.175,.885,.32,1.275) slideUp;display:flex}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-title{font-size:1.35rem}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);font-size:.82rem;font-weight:600}.form-input,.form-textarea,.form-select{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition-fast);outline:none;padding:10px 14px;font-family:inherit;font-size:.9rem}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent-primary);background:var(--bg-input-focus)}.form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@media (width<=868px){.app-container{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);gap:16px;width:100%;padding:16px}.main-content{padding:16px}.app-header{padding:12px 16px}}