* {
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(to bottom, #e6e8e9, #438ee9, #046ee8);
  padding: 30px;
  max-width: 700px;
  margin: auto;
  min-height: 100vh;
}

h1 {
  text-align: center;
  color: white;
  margin-bottom: 30px;
  text-shadow: 1px 1px 3px #03194d;
}

.task-form {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

input[type="text"] {
  flex: 1;
  padding: 12px;
  border: 1.5px solid #acd3e8;
  border-radius: 10px;
  font-size: 16px;
  background-color: #8ecaea;
  color: white;
  outline: none;
  transition: all 0.3s ease;
}

input[type="text"]::placeholder {
  color: white;
}

button {
  padding: 12px 18px;
  background-color: #176feb;
  border: none;
  color: white;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #5283cc;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  background: #63b9e8;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  box-shadow: 0 3px 6px rgba(35, 124, 201, 0.3);
}

.completed {
  text-decoration: line-through;
  color: #bababa;
}

.actions button {
  margin-left: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  color: white;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.actions button:hover {
  transform: scale(1.1);
}

.actions button.complete {
  background-color: #049bf8;
}

.actions button.edit {
  background-color: #0766ff;
  color: white;
}

.actions button.delete {
  background-color: #3538dc;
}
li {
  cursor: grab;
}
li:active {
  cursor: grabbing;
}

@media (max-width: 600px) {
  .task-form {
    flex-direction: column;
  }
  button {
    width: 100%;
  }
}