.todo-form{margin-bottom:35px;animation:fadeInUp .8s ease-out .1s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.add-btn{width:100%;padding:16px;border:2px dashed rgba(168,85,247,.5);background:linear-gradient(135deg,rgba(168,85,247,.12) 0%,rgba(126,34,206,.12) 100%);color:#e9d5ff;border-radius:15px;font-size:1.05rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;overflow:hidden}.add-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(168,85,247,.25);border-radius:50%;transform:translate(-50%,-50%);transition:width .5s,height .5s;z-index:0}.add-btn:hover{border-color:#a855f7e6;background:linear-gradient(135deg,rgba(168,85,247,.2) 0%,rgba(126,34,206,.2) 100%);transform:translateY(-2px);box-shadow:0 12px 35px #a855f740}.add-btn:hover:before{width:300px;height:300px}.form-container{background:linear-gradient(135deg,rgba(30,27,60,.9) 0%,rgba(22,33,62,.9) 100%);padding:25px;border-radius:15px;border:1px solid rgba(168,85,247,.35);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:expandIn .5s cubic-bezier(.34,1.56,.64,1)}@keyframes expandIn{0%{opacity:0;max-height:0}to{opacity:1;max-height:600px}}.form-group{margin-bottom:18px;animation:fadeInUp .6s ease-out backwards}.form-group:nth-child(1){animation-delay:.1s}.form-group:nth-child(2){animation-delay:.2s}.form-group:nth-child(3){animation-delay:.3s}.form-group:nth-child(4){animation-delay:.4s}.form-group label{display:block;margin-bottom:8px;font-weight:700;color:#c4b5fd;font-size:.95rem;text-transform:uppercase;letter-spacing:1px}.form-input,.form-select{width:100%;padding:12px 14px;border:1.5px solid rgba(168,85,247,.35);border-radius:10px;font-size:.95rem;font-family:inherit;background:rgba(10,10,15,.6);color:#f5f3ff;transition:all .3s cubic-bezier(.34,1.56,.64,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.form-input::placeholder{color:#6b7280}.form-input:focus,.form-select:focus{outline:none;border-color:#a855f7cc;background:rgba(10,10,15,.8);box-shadow:0 0 0 3px #a855f726,inset 0 0 20px #a855f70d;transform:translateY(-2px)}.title-input{font-weight:700;font-size:1.1rem}.description-input{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-buttons{display:flex;gap:12px;margin-top:25px;animation:fadeInUp .6s ease-out .4s both}.btn-submit,.btn-cancel{flex:1;padding:13px;border:none;border-radius:12px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);font-size:.95rem;position:relative;overflow:hidden}.btn-submit{background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);color:#fff}.btn-submit:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s;z-index:1}.btn-submit:hover{transform:translateY(-3px);box-shadow:0 12px 35px #a855f766}.btn-submit:hover:before{left:100%}.btn-submit:active{transform:translateY(-1px)}.btn-cancel{background:rgba(168,85,247,.15);color:#e9d5ff;border:1.5px solid rgba(168,85,247,.35);transition:all .3s cubic-bezier(.34,1.56,.64,1)}.btn-cancel:hover{background:rgba(168,85,247,.3);border-color:#a855f7b3;transform:translateY(-3px)}@media (max-width: 768px){.form-row{grid-template-columns:1fr}.form-container{padding:20px}.form-buttons{flex-direction:column}}.todo-item{display:flex;justify-content:space-between;align-items:flex-start;background:linear-gradient(135deg,rgba(30,27,60,.8) 0%,rgba(22,33,62,.8) 100%);border:1px solid rgba(168,85,247,.25);border-radius:15px;padding:18px;transition:all .3s cubic-bezier(.34,1.56,.64,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:slideInRight .6s ease-out;position:relative;overflow:visible!important}.todo-item:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(168,85,247,.08) 0%,transparent 100%);opacity:0;transition:opacity .3s ease;z-index:0;pointer-events:none;border-radius:15px}.todo-item:hover{border-color:#a855f799;box-shadow:0 10px 35px #a855f733,0 0 60px #a855f714;transform:translateY(-3px)}.todo-item:hover:before{opacity:1}.todo-item.completed{background:linear-gradient(135deg,rgba(50,50,70,.5) 0%,rgba(40,45,65,.5) 100%);border-color:#a855f726}.todo-item.completed .todo-title{text-decoration:line-through;color:#8b8ba3}.todo-content{display:flex;gap:14px;flex:1;position:relative;z-index:1;width:100%}.todo-checkbox{width:24px;height:24px;margin-top:2px;cursor:pointer;accent-color:#a855f7;flex-shrink:0;transition:all .3s ease;-moz-appearance:none;appearance:none;-webkit-appearance:none;border:2px solid rgba(168,85,247,.5);border-radius:6px;background:rgba(10,10,15,.5);position:relative}.todo-checkbox:hover{border-color:#a855f7e6;background:rgba(168,85,247,.1)}.todo-checkbox:checked{background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);border-color:#a855f7}.todo-checkbox:checked:after{content:"✓";position:absolute;color:#fff;font-size:14px;font-weight:700;top:50%;left:50%;transform:translate(-50%,-50%)}.todo-text{flex:1;width:100%}.todo-title{font-size:1.08rem;color:#f3e8ff;margin-bottom:6px;font-weight:700;transition:all .3s ease}.todo-description{font-size:.9rem;color:#d1d5db;margin-bottom:10px;line-height:1.5;transition:all .3s ease}.todo-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px;margin-bottom:14px}.priority-badge,.due-date{font-size:.8rem;padding:5px 10px;background:rgba(168,85,247,.15);border-radius:6px;color:#e9d5ff;border:.5px solid rgba(168,85,247,.35);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:all .3s ease}.priority-badge:hover,.due-date:hover{background:rgba(168,85,247,.3);border-color:#a855f799}.sub-todos-section{margin-top:14px;border-top:1px solid rgba(168,85,247,.15);padding-top:14px;width:100%;pointer-events:auto}.sub-todos-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:.9rem;font-weight:700;color:#c4b5fd;text-transform:uppercase;letter-spacing:.5px;position:relative;z-index:10;pointer-events:auto}.sub-todos-count{background:rgba(168,85,247,.2);padding:2px 8px;border-radius:4px;font-size:.8rem;color:#e9d5ff}.sub-todos-list{display:flex;flex-direction:column;gap:10px;margin-bottom:12px;animation:expandIn .4s ease-out;pointer-events:auto;max-height:400px;overflow-y:auto;padding-right:8px}@keyframes expandIn{0%{opacity:0;max-height:0}to{opacity:1;max-height:1000px}}.sub-todo-item{display:flex;gap:10px;align-items:center;padding:10px 12px;background:rgba(10,10,15,.3);border:1px solid rgba(168,85,247,.15);border-radius:8px;transition:all .3s ease;animation:slideInUp .4s ease-out}@keyframes slideInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.sub-todo-item:hover{border-color:#a855f759;background:rgba(168,85,247,.08)}.sub-todo-item.completed{opacity:.6}.sub-todo-item.completed .sub-todo-title{text-decoration:line-through;color:#8b8ba3}.sub-todo-checkbox{width:18px;height:18px;cursor:pointer;accent-color:#a855f7;flex-shrink:0;-moz-appearance:none;appearance:none;-webkit-appearance:none;border:1.5px solid rgba(168,85,247,.4);border-radius:4px;background:rgba(10,10,15,.4);position:relative;transition:all .2s ease}.sub-todo-checkbox:hover{border-color:#a855f7b3}.sub-todo-checkbox:checked{background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);border-color:#a855f7}.sub-todo-checkbox:checked:after{content:"✓";position:absolute;color:#fff;font-size:11px;font-weight:700;top:50%;left:50%;transform:translate(-50%,-50%)}.sub-todo-content{flex:1;display:flex;flex-direction:column;gap:2px}.sub-todo-title{font-size:.9rem;color:#f3e8ff;font-weight:600;transition:all .2s ease}.sub-todo-description{font-size:.8rem;color:#b4b4c3}.sub-todo-priority{font-size:.7rem;padding:2px 6px;background:rgba(168,85,247,.2);border-radius:3px;color:#d8b4fe;flex-shrink:0}.sub-todo-actions{display:flex;gap:4px;flex-shrink:0;animation:fadeIn .3s ease}.btn-sub-action{background:none;border:none;font-size:.9rem;cursor:pointer;padding:2px 5px;border-radius:4px;transition:all .2s ease;opacity:0;z-index:10;pointer-events:auto}.sub-todo-item:hover .btn-sub-action{opacity:1}.btn-sub-action:hover{background:rgba(168,85,247,.2);transform:scale(1.1)}.sub-todo-form{display:flex;gap:8px;margin-top:10px;animation:slideInUp .3s ease-out;pointer-events:auto}.sub-todo-input{flex:1;padding:8px 10px;border:1px solid rgba(168,85,247,.3);border-radius:6px;font-size:.9rem;background:rgba(10,10,15,.5);color:#f3e8ff;transition:all .2s ease;font-family:inherit;pointer-events:auto}.sub-todo-input::placeholder{color:#6b7280}.sub-todo-input:focus{outline:none;border-color:#a855f7b3;background:rgba(10,10,15,.7);box-shadow:0 0 0 3px #a855f71a}.btn-add-sub,.btn-cancel-sub{padding:8px 12px;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s ease;font-size:.85rem;flex-shrink:0;position:relative;z-index:10;pointer-events:auto}.btn-add-sub{background:rgba(168,85,247,.3);color:#e9d5ff;border:1px solid rgba(168,85,247,.4)}.btn-add-sub:hover{background:rgba(168,85,247,.5);border-color:#a855f7b3}.btn-cancel-sub{background:rgba(100,100,120,.2);color:#b4b4c3}.btn-cancel-sub:hover{background:rgba(100,100,120,.4)}.toggle-sub-todos{display:flex;gap:8px;margin-bottom:12px;font-size:.85rem}.btn-toggle-sub{background:rgba(168,85,247,.15);color:#d8b4fe;border:1px solid rgba(168,85,247,.3);padding:6px 12px;border-radius:6px;cursor:pointer;transition:all .2s ease;font-weight:600;font-size:.85rem;position:relative;z-index:10;pointer-events:auto}.btn-toggle-sub:hover{background:rgba(168,85,247,.3);border-color:#a855f799}.todo-actions{display:flex;gap:8px;margin-left:12px;position:relative;z-index:2;flex-shrink:0}.btn-action{background:rgba(168,85,247,.1);border:1px solid rgba(168,85,247,.3);font-size:1.2rem;cursor:pointer;padding:6px 10px;border-radius:8px;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;align-items:center;justify-content:center;pointer-events:auto}.btn-action:hover{background:rgba(168,85,247,.3);border-color:#a855f7b3;transform:scale(1.15) translateY(-2px);box-shadow:0 5px 15px #a855f733}.btn-delete:hover{background:rgba(239,68,68,.2);border-color:#ef444480;box-shadow:0 5px 15px #ef444433}.edit-mode{width:100%;display:flex;flex-direction:column;gap:14px;position:relative;z-index:1;animation:expandForm .4s cubic-bezier(.34,1.56,.64,1)}@keyframes expandForm{0%{opacity:0;max-height:0}to{opacity:1;max-height:600px}}.edit-input{padding:11px 13px;border:1.5px solid rgba(168,85,247,.3);border-radius:10px;font-family:inherit;font-size:.95rem;background:rgba(10,10,15,.6);color:#f3e8ff;transition:all .3s cubic-bezier(.34,1.56,.64,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.edit-input::placeholder{color:#6b7280}.edit-input:focus{outline:none;border-color:#a855f7cc;background:rgba(10,10,15,.8);box-shadow:0 0 0 3px #a855f726,inset 0 0 15px #a855f70d;transform:translateY(-2px)}.edit-title{font-weight:700;font-size:1.08rem}.edit-description{resize:vertical;min-height:65px}.edit-priority{cursor:pointer}.edit-buttons{display:flex;gap:12px;margin-top:5px;animation:fadeInUp .4s ease-out .2s both}.btn-save,.btn-cancel-edit{flex:1;padding:10px 12px;border:none;border-radius:10px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);font-size:.9rem;position:relative;overflow:hidden}.btn-save{background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);color:#fff}.btn-save:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:rgba(255,255,255,.2);transition:left .4s ease}.btn-save:hover{transform:translateY(-2px);box-shadow:0 10px 25px #a855f759}.btn-save:hover:before{left:100%}.btn-cancel-edit{background:rgba(168,85,247,.15);color:#e9d5ff;border:1.5px solid rgba(168,85,247,.35)}.btn-cancel-edit:hover{background:rgba(168,85,247,.3);border-color:#a855f7b3;transform:translateY(-2px)}@media (max-width: 768px){.todo-item{flex-direction:column;padding:16px}.todo-actions{margin-left:0;margin-top:12px;align-self:flex-start}.todo-checkbox{width:22px;height:22px}.edit-buttons{flex-direction:column}.sub-todos-section{margin-left:0}}.todo-list{display:flex;flex-direction:column;gap:14px;animation:fadeIn .6s ease-out .2s backwards}.todo-list>*{animation:slideInRight .5s ease-out backwards}.todo-list>*:nth-child(1){animation-delay:.1s}.todo-list>*:nth-child(2){animation-delay:.15s}.todo-list>*:nth-child(3){animation-delay:.2s}.todo-list>*:nth-child(4){animation-delay:.25s}.todo-list>*:nth-child(5){animation-delay:.3s}.todo-list>*:nth-child(n+6){animation-delay:.35s}@keyframes slideInRight{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.app{width:100%;min-height:100vh;padding:20px;display:flex;align-items:center;justify-content:center}.container{max-width:800px;width:100%;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);border-radius:20px;box-shadow:0 25px 80px #000c,0 0 60px #8a2be226,inset 0 1px #8a2be233;padding:50px;overflow:hidden;border:1px solid rgba(138,43,226,.3);animation:containerSlideIn .8s ease-out;position:relative}.container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 100% 100%,rgba(138,43,226,.08) 0%,transparent 50%),radial-gradient(circle at 0% 0%,rgba(75,0,130,.08) 0%,transparent 50%);pointer-events:none}@keyframes containerSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.app-header{text-align:center;margin-bottom:40px;animation:fadeInDown .8s ease-out}.app-header h1{font-size:3rem;background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px;font-weight:900;letter-spacing:-1px}.app-header p{color:#9ca3af;font-size:1.05rem;font-weight:400;letter-spacing:.5px}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.error-message{background:linear-gradient(135deg,rgba(239,68,68,.1) 0%,rgba(220,38,38,.1) 100%);color:#fca5a5;padding:15px 18px;border-radius:12px;margin-bottom:25px;border:1px solid rgba(220,38,38,.3);animation:slideInLeft .5s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.filter-buttons{display:flex;gap:12px;margin:35px 0;justify-content:center;flex-wrap:wrap;animation:fadeIn .8s ease-out .2s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.filter-btn{padding:11px 22px;border:2px solid rgba(138,43,226,.4);background:rgba(138,43,226,.08);color:#d8b4fe;border-radius:25px;cursor:pointer;font-weight:700;transition:all .3s cubic-bezier(.34,1.56,.64,1);font-size:.95rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;overflow:hidden}.filter-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(135deg,rgba(138,43,226,.3) 0%,transparent 100%);transition:left .3s ease;z-index:-1}.filter-btn:hover{border-color:#8a2be2cc;background:rgba(138,43,226,.18);transform:translateY(-3px);box-shadow:0 10px 30px #8a2be240}.filter-btn:hover:before{left:100%}.filter-btn.active{background:linear-gradient(135deg,#a855f7 0%,#7c3aed 100%);color:#fff;border-color:#a855f7;box-shadow:0 15px 40px #a855f766;transform:translateY(-4px)}.loading{text-align:center;padding:60px 20px;color:#9ca3af;font-size:1.15rem;animation:fadeIn .5s ease-out}.empty-state{text-align:center;padding:80px 30px;color:#6b7280;font-size:1.2rem;animation:fadeIn .6s ease-out}@media (max-width: 768px){.container{padding:30px}.app-header h1{font-size:2.2rem}.filter-buttons{flex-direction:column;gap:10px}.filter-btn{width:100%}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#0a0a0f;background-image:radial-gradient(circle at 20% 50%,rgba(138,43,226,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(75,0,130,.08) 0%,transparent 50%);min-height:100vh;padding:20px;overflow-x:hidden;position:relative}html,body,#root{height:100%}