* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}
@keyframes backgroundLight {
  0% {
    background-color: #45a3e5;
  }

  60% {
    background-color: rgb(239, 50, 217);
  }

  100% {
    background-color: #864cbf;
  }
}

html {
  background: linear-gradient(45deg, rgb(236, 183, 229), rgb(196, 195, 195));
  color: rgb(41, 38, 38);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100%;
}

header {
  position: sticky;
  top: 0;
  height: 80px;
  z-index: 1;
  background-image: linear-gradient(
    45deg,
    rgb(233, 105, 224),
    rgb(219, 184, 208)
  );
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  padding: 0 1rem;
}

.logo img {
  height: 70px;
}

.app-name,
.current-time {
  display: flex;
  align-items: center;
  font-size: 2rem;
  font-style: italic;
  font-weight: bold;
}

main {
  max-width: 500px;
  margin: 0 auto;
  padding: 5rem 0;
}

input {
  outline: none;
  border: none;
  padding: 0.5rem 0;
}

button {
  border: none;
  padding: 0.5rem 0.7rem;
  background: transparent;
  outline: none;
}

.create-todo-fields {
  display: flex;
}

.create-todo-form input {
  flex: 1 1 auto;
  margin-right: 2rem;
}

.create-todo-form button {
  flex: 0 0 auto;
  transition: background 0.2s, background-color 0.4s ease;
}

.create-todo-form button:hover,
.create-todo-form button:focus,
.create-todo-form button:active {
  background: rgba(0, 0, 0, 0.05);
}
.create-todo-form button:active {
  background: rgba(0, 0, 0, 0.5);
}

.input-group {
  background: white;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5);
  padding: 0.2rem 2rem;
  font-weight: bold;
}

.filter-list {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filter {
  display: inline-block;
  padding: 1rem;
  color: rgb(240, 233, 239);
  cursor: pointer;
}

.filter:hover,
.filter:focus,
[data-active-filter="all"] .filter[data-filter-key="all"],
[data-active-filter="done"] .filter[data-filter-key="done"],
[data-active-filter="open"] .filter[data-filter-key="open"] {
  text-decoration: underline;
}

.todos {
  padding: 0;
}

[data-active-filter="open"] [data-completed="true"],
[data-active-filter="done"] [data-completed="false"] {
  display: none;
}

.todo-item {
  list-style-type: none;
  padding: 1rem 2rem;
  border-bottom: 1px solid rgb(196, 195, 195);
  display: flex;
  align-items: center;
  position: relative;
}

.done-state {
  border-radius: 100%;
  height: 2rem;
  width: 2rem;
  border: 2px solid rgb(90, 90, 90);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  padding: 0;
  cursor: pointer;
}

.done-state:focus {
  border: 2px solid rgb(0, 0, 0);
}

[data-completed="true"] .done-state-filler {
  width: 1rem;
  height: 1rem;
  background: rgb(224, 165, 165);
  border-radius: 100%;
}

[data-completed="true"] .todo-name {
  text-decoration: line-through;
}

.delete-todo {
  visibility: hidden;
  right: 2rem;
  cursor: pointer;
  border-radius: 100%;
  border: 1px solid transparent;
  width: 2rem;
  height: 2rem;
  padding: 0;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
}

.delete-todo:focus {
  border: 1px solid rgb(40, 40, 40);
}

.todo-item:hover .delete-todo,
.todo-item:focus-within .delete-todo {
  visibility: visible;
}

/* Utility class to show content only for screen readers */
.sr-only {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}