*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{line-height:1.6;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#333}.app-container{min-width:360px;max-width:600px;margin:0 auto;padding:20px;min-height:100vh}.header{background:#fff;border-radius:20px;padding:24px;margin-bottom:20px;box-shadow:0 8px 24px #0000001f}.title{font-size:28px;font-weight:700;text-align:center;margin-bottom:20px;color:#667eea}.stats{display:flex;gap:12px;margin-bottom:16px}.stat-item{flex:1;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;padding:12px;display:flex;flex-direction:column;align-items:center;gap:4px;color:#fff}.stat-emoji{font-size:24px}.stat-label{font-size:11px;opacity:.9}.stat-value{font-size:20px;font-weight:700}.progress-bar{width:100%;height:12px;background:#e5e7eb;border-radius:6px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease;border-radius:6px}.todo-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.todo-item{background:#fff;border-radius:16px;padding:16px;display:flex;align-items:center;gap:12px;box-shadow:0 4px 12px #00000014;transition:all .2s ease}.todo-item:active{transform:scale(.98)}.todo-item.completed{opacity:.7}.todo-item.completed .todo-text{text-decoration:line-through;color:#9ca3af}.todo-checkbox{width:28px;height:28px;min-width:28px;border:2px solid #667eea;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;color:#fff;transition:all .2s ease}.todo-checkbox:active{transform:scale(.9)}.todo-item.completed .todo-checkbox{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#764ba2}.todo-text{flex:1;font-size:16px;word-break:break-word}.delete-button{width:32px;height:32px;min-width:32px;border:none;background:#fee2e2;border-radius:8px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.delete-button:hover{background:#fecaca}.delete-button:active{transform:scale(.9)}.add-todo{background:#fff;border-radius:16px;padding:16px;display:flex;gap:12px;box-shadow:0 4px 12px #00000014;margin-bottom:20px}.todo-input{flex:1;border:2px solid #e5e7eb;border-radius:12px;padding:12px 16px;font-size:16px;outline:none;transition:border-color .2s ease}.todo-input:focus{border-color:#667eea}.todo-input::placeholder{color:#9ca3af}.add-button{width:48px;height:48px;min-width:48px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;cursor:pointer;font-size:24px;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .2s ease;box-shadow:0 4px 12px #667eea66}.add-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea80}.add-button:active{transform:scale(.95)}.celebration{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;padding:20px;border-radius:16px;text-align:center;font-size:18px;font-weight:700;box-shadow:0 8px 24px #fbbf2466;animation:bounce .6s ease}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media(max-width:480px){.app-container{padding:16px}.title{font-size:24px}.stat-emoji{font-size:20px}.stat-value{font-size:18px}.todo-text{font-size:15px}.celebration{font-size:16px;padding:16px}}@media(hover:none)and (pointer:coarse){.todo-checkbox,.delete-button,.add-button{min-height:44px;min-width:44px}}