:root {
  --primary-bg-color: rgb(213, 152, 152);
  --secondary-bg-color: rosybrown;
  --accent-color: #bc8f8f;

  --border-radius-value: 10px;
}

html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  background-color: var(--primary-bg-color);
}

.app {
  display: block;
  width: 95%;
  max-width: 400px;
  margin: 50px auto;
  padding: 10px;
  border: 1px solid black;
  border-radius: var(--border-radius-value);
}

.form {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-column-gap: 10px;
  grid-row-gap: 1em;
  padding: 10px;
  background-color: var(--secondary-bg-color);
  border-radius: var(--border-radius-value);
}

@media (max-width: 380px) {
  .form {
    grid-template-columns: 1fr;
  }
}

.input-task,
.add-btn {
  width: 100%;
  padding: 10px;
  border-radius: var(--border-radius-value);
  border: none;
  font-size: 16px;
}

.input-task:focus {
  outline: 2px solid var(--accent-color);
}

.add-btn {
  background-color: var(--primary-bg-color);
  color: brown;
  cursor: pointer;
  transition:
    background-color 200ms linear,
    transform 200ms ease,
    box-shadow 200ms ease;
}

.add-btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.add-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.is-completed {
  text-decoration: line-through;
  opacity: 0.6;
}

.todo-list-styles {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 300px;
  padding: 10px;
  border-radius: var(--border-radius-value);
  background-color: var(--secondary-bg-color);
  list-style: none;
}

.task {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 8px;
  border-radius: var(--border-radius-value);
  background-color: var(--primary-bg-color);
}

.remove-btn {
  border: none;
  background: none;
  transition: transform 200ms linear;
}

.remove-btn:hover {
  transform: scale(1.2);
}