:root {
  --color-black: #1d1d1d;
  --color-gray: #c4c4c4;
  --color-white: #fff;
  font-family: system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.3;
}

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

h1 {
  font-size: 24px;
  line-height: 1;
}

h2 {
  font-size: 18px;
  line-height: 1;
}

ul {
  list-style-type: none;
}

button {
  all: unset;
  cursor: pointer;
}

.root {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 100vh;
  min-width: 320px;
  padding: 16px;
}

.main {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 20px;
  height: 100%;
}

.list {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
  overflow-y: auto;
}

.item {
  display: flex;
  justify-content: space-between;
  max-width: 70ch;
  padding-left: 15px;

  &.checked .text {
    opacity: 0.6;
    text-decoration: line-through;
  }
}

.form {
  margin-top: auto;
}

input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  font-size: 16px;
  border: 1px solid var(--color-gray);
  border-radius: 4px;
}

label {
  font-size: 16px;
  line-height: 1.3;
  cursor: pointer;
}