* {
  box-sizing: border-box;
}

body {
  margin: 16px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #fafafa;
  color: #212121;
  line-height: 1.5;
}


/* Task 1 */

#categories {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 392px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.item {
  padding: 16px;
  background-color: #f6f6fe;
  border-radius: 8px;
}

.item h2 {
  margin: 0 0 16px 0;
  font-weight: 600;
  font-size: 24px;
  line-height: 1.33;
  letter-spacing: 0.04em;
}

.item ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.item ul li {
  padding: 8px 16px;
  border: 1px solid #808080;
  border-radius: 4px;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

/* Task 2 */

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  width: 1128px;
  padding: 0;
  margin: 100px auto 0;
  list-style: none;
}

.gallery-item {
  width: 360px;
  height: 300px;
}

.gallery-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Task 3 */

#name-input {
  width: 360px;
  height: 40px;
  padding: 8px 16px;
  border: 1px solid #808080;
  border-radius: 4px;
  outline: transparent;

  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;

  color: #2e2f42;
  background-color: transparent;
}

#name-input:hover,
#name-input:focus {
  border-color: #000000;
}

#name-input::placeholder {
  color: #2e2f42;
}

#name-input + h1 {
  margin: 16px 0 0;
  font-weight: 600;
  font-size: 24px;
  line-height: 1.33;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

/* Task 4 */

.login-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 408px;
}

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;

  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

.login-form input {
  width: 360px;
  height: 40px;
  padding: 8px 16px;

  border: 1px solid #808080;
  border-radius: 4px;
  outline: transparent;

  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;

  color: #2e2f42;
  background-color: transparent;
}

.login-form input:hover,
.login-form input:focus {
  border-color: #000000;
}

.login-form button {
  width: 86px;
  height: 40px;
  margin-top: 8px;

  border: none;
  border-radius: 8px;

  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;

  color: #ffffff;
  background-color: #4e75ff;
  cursor: pointer;
}

.login-form button:hover,
.login-form button:focus {
  background-color: #6c8cff;
}

/* Task 5 */

.widget {
  text-align: center;
}

.widget p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

.widget .color {
  color: #2e2f42;
}

.change-color {
  min-width: 148px;
  height: 40px;
  padding: 8px 16px;

  border: none;
  border-radius: 8px;

  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;

  color: #ffffff;
  background-color: #4e75ff;
  cursor: pointer;
}

.change-color:hover,
.change-color:focus {
  background-color: #6c8cff;
}

/* Task 6 */

#controls {
  display: flex;
  align-items: center;
  gap: 16px;

  width: 486px;
  padding: 32px;
  margin-bottom: 16px;

  border-radius: 8px;
  background-color: #f6f6fe;
}

#controls input {
  width: 150px;
  height: 40px;
  padding: 8px 16px;

  border: 1px solid #808080;
  border-radius: 8px;
  outline: transparent;

  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;

  color: #2e2f42;
  background-color: transparent;
}

#controls input:hover,
#controls input:focus {
  border-color: #000000;
}

#controls button {
  min-width: 120px;
  height: 40px;
  padding: 8px 16px;

  border: none;
  border-radius: 8px;

  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;

  color: #ffffff;
  cursor: pointer;
}

#controls button[data-create] {
  background-color: #4e75ff;
}

#controls button[data-create]:hover,
#controls button[data-create]:focus {
  background-color: #6c8cff;
}

#controls button[data-destroy] {
  background-color: #ff4e4e;
}

#controls button[data-destroy]:hover,
#controls button[data-destroy]:focus {
  background-color: #ff7070;
}

#boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 44px;

  max-width: 486px;
  padding: 32px;

  border-radius: 8px;
  background-color: #f6f6fe;
}