body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Jost', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: url('https://techyardlabs.com/wp-content/uploads/2022/05/web-development-coding-programming-internet-technology-business-concept-web-development-coding-programming-internet-technology-121903546.jpg') center/cover no-repeat;
}
.container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
.to-do-app {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  color: #66ff00;
  border-radius: 20px;
  box-shadow: 0 4px 30px rgba(0, 255, 255, 0.4);
  border: 3px solid rgba(238, 51, 123, 0.26);
  backdrop-filter: blur(9px);
}
.input-area {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
}
.input-area input {
  flex: 1;
  padding: 10px 17px;
  font-size: 1.1rem;
  border: none;
  outline: none;
  border-radius: 22px;
  background: rgba(238,51,123,0.14);
  color: #d3d3d3;
}
.input-area input::placeholder {
  color: #e0e0e0;
}
.input-area button {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 10px;
  padding: 8px;
  border-radius: 50%;
  color: #fff;
  font-size: 1.1rem;
  background: rgba(238,51,123,0.27);
  border: 2px solid rgba(238,51,123,0.21);
  cursor: pointer;
  transition: 0.2s;
}
.input-area button:hover {
  transform: scale(1.1);
  background: rgba(238,51,123,0.41);
}
.todos-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#task-list {
  width: 100%;
  list-style: none;
  padding: 0;
}
#task-list li {
  background: rgba(238,51,123,0.18);
  margin-bottom: 15px;
  padding: 8px 10px;
  border-radius: 30px;
  font-size: 1.2rem;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  transition: box-shadow 0.2s;
}
#task-list li:hover {
  box-shadow: 0 0 10px #ee337b2d;
}
#task-list input[type="checkbox"] {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(238,51,123,0.24);
  border-radius: 50%;
  cursor: pointer;
  appearance: none;
  transition: 0.2s;
}
#task-list input[type="checkbox"]:checked {
  background: #ee337b;
  transform: scale(1.1);
}
#task-list span {
  flex: 1;
  margin-left: 10px;
  word-break: break-word;
  display: block;
}
.completed span {
  text-decoration: line-through;
  color: #000;
}
.task-buttons {
  display: flex;
  gap: 10px;
  margin-right: auto;
}
.task-buttons button {
  background: rgba(238,51,123,0.17);
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  color: #fff;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.2s;
}
.task-buttons button:hover {
  transform: scale(1.2);
}
.task-buttons .edit-btn {
  background: rgba(245, 158, 70, 0.54);
}
.task-buttons .delete-btn {
  background: rgba(239, 68, 68, 0.41);
}
.empty-image {
  width: 140px;
  margin-top: 35px;
  display: block;
}
.stats-container {
  width: 100%;
  padding: 8px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.19);
  display: flex;
  align-items: center;
  gap: 20px;
}
.details {
  flex: 1;
}
.details h3 {
  color: #fff;
}
.progress-bar {
  width: 100%;
  height: 7px;
  background: rgba(238,51,123,0.14);
  border-radius: 20px;
  position: relative;
  margin-top: 15px;
}
#progress {
  width: 0%;
  height: 100%;
  background: #ee337b;
  border-radius: 20px;
  transition: width 0.3s;
}
#numbers {
  width: 80px;
  height: 80px;
  background: #ee337b;
  border: 3px solid #fb96c6;
  color: #fff;
  border-radius: 50%;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
@media (max-width: 600px) {
  .container {
    padding: 5px;
  }
  .to-do-app {
    padding: 0.8rem;
    gap: 18px;
  }
  #numbers {
    width: 50px;
    height: 50px;
    font-size: 1rem;
  }
  .input-area input {
    font-size: 1rem;
  }
  #task-list li {
    font-size: 1rem;
  }
}
@keyframes fadeInTask {
  from { opacity: 0; transform: translateY(20px);}
  to   { opacity: 1; transform: translateY(0);}
}
#task-list li {
  animation: fadeInTask 0.5s;
}
#task-list input[type="checkbox"] {
  transition: background 0.3s, transform 0.2s;
  box-shadow: 0 0px 6px rgba(238, 51, 123, 0.08);
}
#task-list input[type="checkbox"]:checked {
  background: linear-gradient(135deg, #fb96c6 60%, #ee337b 100%);
  box-shadow: 0 0px 12px #fb96c6;
}

.input-area button,
.task-buttons button {
  transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
  box-shadow: 0 2px 10px rgba(238, 51, 123, 0.13);
}

.input-area button:hover,
.task-buttons button:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 20px #ee337b2d;
  background: linear-gradient(135deg, #ee337b 60%, #fb96c6 100%);
}
#task-list input[type="checkbox"] {
  transition: background 0.3s, transform 0.2s;
  box-shadow: 0 0px 6px rgba(238, 51, 123, 0.08);
}
#task-list input[type="checkbox"]:checked {
  background: linear-gradient(135deg, #fb96c6 60%, #ee337b 100%);
  box-shadow: 0 0px 12px #fb96c6;
}