main.css

@import url("https://fonts.googleapis.com/css2?:wght@300&family=Jura&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300&family=Jura&display=swap");

h1,
h2,
h3,
h4,
h5,
h6,
p {
  padding: 0;
  margin: 0;
}
h1 {
  font-size: 3.75rem;
  color: var(--theme-1-light-text-color);
  font-family: "Jura", sans-serif;
  font-weight: 300;
}
:root {
  --theme-1-background-color: linear-gradient(45deg, #cdecf0, #a0d4ff);
  --theme-1-header-background-color: linear-gradient(45deg, #98aee7, #589cdb);
  --theme-1-container-background-color: #eef7ff;
  --theme-1-light-text-color: #ffffff;
  --theme-1-input-base-color: #deefff;
  --theme-1-input-submit-color: #7688e5;
  --base-border-color: #5394d1;
  --light-border-color: #8db8e1;
  --base-border-radius: 0.5rem;
}

body,
html {
  background: var(--theme-1-background-color);
  color: var(--theme-text-color);
  margin: 0;
  padding: 0;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
}

main {
  display: flex;
  justify-content: center;
  height: 100%;
}

.main-container {
  margin: 40px 40px 80px 40px;
  padding-bottom: 32px;
  border-radius: 60px;
  height: 100%;
  background-color: var(--theme-1-container-background-color);
  box-shadow: 0px 4px 4px #aecbe9;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  background: var(--theme-1-header-background-color);
}

#logo {
  width: 44px;
  height: 44px;
}

input {
  background-color: var(--theme-1-input-base-color);
  border: 1px solid var(--base-border-color);
  color: var(--theme-text-color);
  border-radius: var(--base-border-radius);
  font-size: 1rem;
  height: 46px;
  width: 100%;
  padding: 0px 0px 0px 8px;
}

textarea {
  background-color: var(--theme-1-input-base-color);
  border: 1px solid var(--base-border-color);
  color: var(--theme-text-color);
  border-radius: var(--base-border-radius);
  height: 160px;
  padding: 8px;
  font-size: 1rem;
  resize: none;
}

#title-container {
  width: 100%;
}

#color-container {
  width: 200px;
}

input[type="color"] {
  padding: 8px;
  height: 48px;
}

input[type="submit"] {
  background-color: var(--theme-1-input-submit-color);
  color: var(--theme-text-color);
  transition: all 0.5s;
  font-size: 1.5rem;
  color: var(--theme-1-light-text-color);
  font-family: "Jura", sans-serif;
  font-weight: 300;
}

input[type="submit"]:hover {
  cursor: pointer;
  color: black;
  background-color: var(--theme-input-submit-color);
}

.fav-icon {
  height: 32px;
  width: 32px;
}

.form-todo {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: 40px 64px 40px 64px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--base-border-radius);
}

.form-todo span {
  display: flex;
  gap: 1.5rem;
}

.form-todo div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-todo span > div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.todo-container {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
  padding: 40px 64px 40px 64px;
  flex-direction: column;
}

.todo-item {
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: var(--base-border-radius);
  border: 1px solid var(--light-border-color);
  padding: 16px 24px 32px 24px;
  row-gap: 1rem;
  box-shadow: 0px 4px 4px #aecbe9;
  transition: background-color 0.2s ease;
}

.todo-item button:hover {
  opacity: 40%;
}

.todo-item button {
  background-color: white;
}

.todo-item .remove-container button:hover {
  background-color: #ff0000;
  border: 1px solid #ff0000;
}

.todo-item .remove-container button:hover img {
}

.todo-item.todo-checked .check-container button {
  background-color: #51ff58;
  border: 1px solid #208d05;
}

.todo-item.todo-checked .check-container button img {
  mix-blend-mode: color-dodge;
}

.todo-item:hover {
}

.todo-item span {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-content: center;
}

.todo-item span div > button {
  height: 40px;
  width: 40px;
  border-radius: 100%;
  cursor: pointer;
  border: 1px solid var(--light-border-color);
  padding-top: 4px;
}

.todo-item span div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
}

@media only screen and (max-width: 620px) {
  .form-todo {
    padding: 32px 32px 32px 32px;
  }
  .todo-container {
    padding: 32px 32px 32px 32px;
  }
}