* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Open Sans",
    "Helvetica Neue",
    sans-serif;
  background: #1a261a;
  color: #fff;
}

input,
button,
textarea,
select {
  color: inherit;
  font-size: inherit;
  font-family: inherit;
}

button {
  background: transparent;
  border: none;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 50px;
}

.page-heading {
  font-size: 2.4rem;
}

.todo-form {
  display: flex;
  gap: 10px;
  margin-top: 30px;
}

.input,
.submit-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #fff;
  background: transparent;
  font-weight: 600;
}

.input {
  flex: 1;
}

.submit-btn {
  flex-shrink: 0;
  cursor: pointer;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 30px;
}

.task-item {
  display: flex;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #ea9652;
}

.task-item.completed {
  opacity: 0.6;
}

.task-item.completed .task-title {
  text-decoration: line-through;
}

.task-title {
  flex: 1;
}

.task-action {
  display: flex;
  gap: 16px;
}

.task-btn {
  text-transform: uppercase;
  font-size: 1.4rem;
  font-weight: 600;
}

.task-btn.edit {
  color: #50ad7e;
}

.task-btn.done {
  color: #ea9652;
}

.task-btn.delete {
  color: #a13538;
}

.task-btn:hover {
  cursor: pointer;
  text-decoration: underline;
}

.empty-messages {
  list-style: none;
  text-align: center;
  font-style: italic;
}