:root{--font-heading: "Outfit", sans-serif;--font-body: "Inter", sans-serif;--transition-speed: .4s;--border-radius: 20px;--task-radius: 14px;--bg-color: #f1f5f9;--mesh-1: rgba(99, 102, 241, .4);--mesh-2: rgba(236, 72, 153, .4);--mesh-3: rgba(16, 185, 129, .3);--glass-bg: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 20px 40px rgba(0, 0, 0, .08);--task-bg: rgba(255, 255, 255, .7);--task-bg-hover: rgba(255, 255, 255, .95);--text-primary: #0f172a;--text-secondary: #64748b;--accent-color: #6366f1;--accent-hover: #4f46e5;--accent-glow: rgba(99, 102, 241, .4);--cat-work-bg: rgba(59, 130, 246, .15);--cat-work-text: #2563eb;--cat-personal-bg: rgba(236, 72, 153, .15);--cat-personal-text: #db2777;--cat-health-bg: rgba(16, 185, 129, .15);--cat-health-text: #059669;--cat-other-bg: rgba(245, 158, 11, .15);--cat-other-text: #d97706}[data-theme=dark]{--bg-color: #020617;--mesh-1: rgba(79, 70, 229, .35);--mesh-2: rgba(192, 38, 211, .35);--mesh-3: rgba(5, 150, 105, .25);--glass-bg: rgba(15, 23, 42, .6);--glass-border: rgba(255, 255, 255, .05);--glass-shadow: 0 24px 48px rgba(0, 0, 0, .6);--task-bg: rgba(30, 41, 59, .6);--task-bg-hover: rgba(30, 41, 59, 1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #818cf8;--accent-hover: #6366f1;--accent-glow: rgba(129, 140, 248, .5);--cat-work-bg: rgba(96, 165, 250, .2);--cat-work-text: #93c5fd;--cat-personal-bg: rgba(244, 114, 182, .2);--cat-personal-text: #fbcfe8;--cat-health-bg: rgba(52, 211, 153, .2);--cat-health-text: #6ee7b7;--cat-other-bg: rgba(251, 191, 36, .2);--cat-other-text: #fcd34d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);color:var(--text-primary);background-color:var(--bg-color);background-image:radial-gradient(at 10% 20%,var(--mesh-1) 0px,transparent 50%),radial-gradient(at 80% 80%,var(--mesh-2) 0px,transparent 50%),radial-gradient(at 50% 50%,var(--mesh-3) 0px,transparent 50%);background-attachment:fixed;background-size:cover;transition:background-color var(--transition-speed),color var(--transition-speed);display:flex;justify-content:center;align-items:flex-start;min-height:100vh;padding:3rem 1rem;overflow-x:hidden}@keyframes meshBreathe{0%{background-position:0% 0%}50%{background-position:100% 100%}to{background-position:0% 0%}}body{animation:meshBreathe 20s ease-in-out infinite alternate}#root{width:100%;max-width:650px}h1,h2,h3{font-family:var(--font-heading)}.app-container{background:var(--glass-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:2.5rem;box-shadow:var(--glass-shadow);transition:all var(--transition-speed);box-shadow:inset 0 1px #ffffff1a,var(--glass-shadow)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;position:relative}.title{font-size:2.5rem;font-weight:800;letter-spacing:-1px;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-color) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 4px 20px rgba(0,0,0,.05)}.theme-toggle{background:var(--task-bg);border:1px solid var(--glass-border);color:var(--text-primary);width:48px;height:48px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.4rem;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 12px #0000000d}.theme-toggle:hover{transform:scale(1.1) rotate(15deg);background:var(--task-bg-hover);border-color:var(--accent-color);color:var(--accent-color)}.task-form{display:flex;flex-direction:column;gap:1.2rem;margin-bottom:3rem;position:relative}.input-group{display:flex;gap:.8rem;position:relative;width:100%}.task-input{flex:1;padding:1.2rem;border-radius:var(--task-radius);border:2px solid transparent;background-color:var(--task-bg);color:var(--text-primary);font-family:var(--font-body);font-size:1.05rem;transition:all .3s ease;box-shadow:0 2px 10px #00000005}.task-input::placeholder{color:var(--text-secondary);opacity:.7}.task-input:focus{outline:none;background-color:var(--task-bg-hover);border-color:var(--accent-color);box-shadow:0 0 0 4px var(--accent-glow);transform:translateY(-2px)}.category-select{padding:0 2.5rem 0 1.2rem;border-radius:var(--task-radius);border:2px solid transparent;background-color:var(--task-bg);color:var(--text-primary);font-family:var(--font-body);font-weight:500;cursor:pointer;transition:all .3s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2364748b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right 1rem top 50%;background-size:.65rem auto}.category-select:focus,.category-select:hover{background-color:var(--task-bg-hover);border-color:var(--glass-border)}.add-btn{padding:0 2rem;border-radius:var(--task-radius);border:none;background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));color:#fff;font-family:var(--font-heading);font-weight:700;font-size:1.05rem;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 8px 16px var(--accent-glow)}.add-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 24px var(--accent-glow)}.add-btn:active{transform:translateY(1px)}.task-list{display:flex;flex-direction:column;gap:1rem;list-style:none;margin-bottom:2rem}@keyframes slideUpFade{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.task-item{display:flex;align-items:center;padding:1.2rem;background-color:var(--task-bg);border:1px solid var(--glass-border);border-radius:var(--task-radius);transition:all .3s cubic-bezier(.25,.8,.25,1);gap:1.2rem;position:relative;overflow:hidden;animation:slideUpFade .4s ease-out forwards}.task-item:before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background-color:var(--accent-color);transform:scaleY(0);transition:transform .3s ease;transform-origin:center}.task-item:hover{transform:translate(6px) translateY(-2px);background-color:var(--task-bg-hover);box-shadow:0 10px 20px #0000000f;border-color:transparent}.task-item:hover:before{transform:scaleY(1)}.task-item.completed{opacity:.65;background-color:transparent;border-style:dashed}.task-item.completed:hover{transform:none;box-shadow:none;border-color:var(--glass-border)}.task-item.completed:before{display:none}.task-item.completed .task-text{text-decoration:line-through;color:var(--text-secondary)}.task-checkbox-container{display:flex;align-items:center;justify-content:center}.task-checkbox{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:26px;height:26px;border:2px solid var(--text-secondary);border-radius:8px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:relative;background:transparent}.task-checkbox:hover{border-color:var(--accent-color);transform:scale(1.1)}.task-checkbox:checked{background-color:var(--accent-color);border-color:var(--accent-color);transform:scale(1.1) rotate(5deg)}.task-checkbox:checked:after{content:"✓";position:absolute;color:#fff;font-size:16px;font-weight:700;top:50%;left:50%;transform:translate(-50%,-50%)}.task-content{flex:1;display:flex;flex-direction:column;gap:.4rem}.task-text{font-size:1.15rem;font-weight:500;transition:all .3s ease;line-height:1.4}.task-category{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.8px;padding:4px 12px;border-radius:20px;display:inline-block;align-self:flex-start}.cat-work{background-color:var(--cat-work-bg);color:var(--cat-work-text)}.cat-personal{background-color:var(--cat-personal-bg);color:var(--cat-personal-text)}.cat-health{background-color:var(--cat-health-bg);color:var(--cat-health-text)}.cat-other{background-color:var(--cat-other-bg);color:var(--cat-other-text)}.delete-task-btn{background:var(--task-bg);border:1px solid var(--glass-border);color:var(--text-secondary);width:36px;height:36px;border-radius:10px;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all .2s ease;opacity:0;transform:scale(.9)}.task-item:hover .delete-task-btn{opacity:1;transform:scale(1)}.delete-task-btn:hover{color:#fff;background-color:#ef4444;border-color:#ef4444;transform:scale(1.1) rotate(90deg)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;gap:1rem}.empty-state-icon{font-size:3rem;opacity:.5;margin-bottom:.5rem}.clear-section{border-top:2px dashed var(--glass-border);padding-top:2rem;margin-top:2rem;display:flex;flex-direction:column;gap:1rem}.danger-zone-title{font-size:.85rem;color:var(--text-secondary);font-weight:700;text-transform:uppercase;letter-spacing:1.5px;display:flex;align-items:center;gap:.5rem}.danger-zone-title:before,.danger-zone-title:after{content:"";height:1px;flex:1;background:var(--glass-border)}.clear-input-group{display:flex;gap:.8rem}.clear-input{flex:1;padding:1rem 1.2rem;border-radius:var(--task-radius);border:2px solid transparent;background-color:var(--task-bg);color:var(--text-primary);font-size:.95rem;font-family:var(--font-body);transition:all .3s ease}.clear-input:focus{outline:none;background-color:var(--task-bg-hover);border-color:#ef444466;box-shadow:0 0 0 4px #ef444426}.clear-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;padding:0 2rem;border-radius:var(--task-radius);font-weight:700;font-family:var(--font-heading);letter-spacing:.5px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.clear-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #ef444466}.clear-btn:disabled{background:var(--task-bg);color:var(--text-secondary);border:1px solid var(--glass-border);cursor:not-allowed;transform:none;box-shadow:none}@media (max-width: 600px){.app-container{padding:1.5rem}.input-group{flex-direction:column}.add-btn{padding:1.2rem}.task-item{flex-wrap:wrap}.delete-task-btn{opacity:1}}