styles.css

:root {
  --tooltip-background-color: rgba(0, 0, 0, 0.8);
}

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

.tooltip {
  position: relative;
}

.tooltip::before {
  content: attr(data-tooltip);

  background-color: var(--tooltip-background-color);
  padding: 5px;
  border-radius: 5px;
  margin-bottom: 7px;
}

.tooltip::after {
  content: "";

  border-style: solid;
  border-width: 7px 5px 0 5px;
  border-color: var(--tooltip-background-color) transparent transparent
    transparent;
}

.tooltip::after,
.tooltip::before {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;

  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translate(-50%);
}

.tooltip:hover::after,
.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
}

.hidden {
  display: none;
}

.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

button {
  cursor: pointer;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: black;
  color: white;
  padding: 20px 20px;
}

.dekstop-navbar > ul {
  display: flex;
}

.dekstop-navbar ul {
  gap: 20px;
  list-style: none;
}

nav li {
  position: relative;
}

nav li button {
  border: none;
  background-color: inherit;
  color: inherit;
}

nav li button::after {
  content: "";
  width: 0;
  height: 2px;
  background-color: white;

  position: absolute;
  bottom: 0;
  left: 0;

  transition: all 0.3s ease-in-out;
}

nav > ul > li:hover > button::after {
  width: 100%;
}

.bookshelf-nav {
  position: relative;
}

.bookshelf-nav button {
  border: none;
  background-color: initial;

  color: inherit;

  cursor: pointer;
}

.bookshelf-nav:hover .bookshelf-nav-content {
  display: flex;
  flex-direction: column;
  align-items: baseline;
  gap: 8px;
}

.bookshelf-nav-content {
  background-color: white;
  padding: 5px;
  box-shadow: 2px 2px 10px 0 black;
  display: none;

  position: absolute;
  right: 0;

  color: black;
  text-wrap: nowrap;
}

.bookshelf-nav-content li button::after {
  background-color: black;
}

.bookshelf-nav-content li:hover button::after {
  width: 100%;
}

#open-menu-mobile {
  font-size: 25px;

  display: none;
}

#mobile-navbar {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  z-index: 1;

  display: flex;
  justify-content: flex-end;
  align-items: stretch;

  background-color: rgba(0, 0, 0, 0.8);
}

#mobile-navbar-container {
  background-color: white;
  padding: 20px;

  color: black;
  text-align: center;

  position: relative;
}

#mobile-navbar h2 {
  font-size: 30px;
}

#mobile-navbar li {
  list-style: none;

  width: 100%;
}

#mobile-navbar button {
  font-size: 20px;

  padding: 20px 0;
}

.hide-navbar-menu {
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease-in-out;
}

.hide-navbar-menu-container {
  visibility: hidden;
  left: 500px;
  transition: all 0.3s ease-in-out;
}

.show-navbar-menu-container {
  visibility: visible;
  left: 0;
}

.show-navbar-menu {
  visibility: visible;
  opacity: 1;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;

  padding: 20px;
}

.card {
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  padding: 10px;
  background-color: white;

  display: flex;
  flex-direction: column;
  gap: 10px;
}

h2 {
  text-align: center;
}

#add-edit-book {
  background-color: rgba(0, 0, 0, 0.3);

  position: fixed;
  z-index: 1;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}

form {
  display: flex;
  align-items: center;
}

.form-book-icon {
  font-size: 200px;
}

.input-elements {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-form {
  display: flex;
  flex-direction: column;
}

.hide-label {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;

  position: absolute;
}

.show-label {
  visibility: visible;
  opacity: 1;

  position: static;
}

.default-input {
  border: none;
  border-bottom: 1px solid gray;
  z-index: 1;
}

.input-has-value {
  border-color: black;
}

.default-input:focus {
  outline: none;
  border-bottom: 1px solid black;
}

.default-input,
.default-input::placeholder,
.input-form label {
  font-size: 20px;
}

form button {
  flex: 1;

  border: none;
  border-radius: 5px;
  background-color: black;
  padding: 10px;

  color: white;
}

.search-book-section {
  align-items: center;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 5px;

  width: 60%;
  padding: 2px;
  border: 1px solid black;
  border-radius: 5px;
}

.search-input-wrapper i {
  color: gray;
  flex: 10%;
}

input[type="search"] {
  border: none;
  flex: 90%;
}

input[type="search"]:focus {
  outline: none;
}

.bookshelf,
.search-book-section {
  width: 600px;
}

.bookshelf {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;

  min-height: 200px;
}

.empty-books {
  color: gray;
}

#unfinished-book-content,
#finished-book-content {
  margin: auto;
}

.more-than-one-book {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.book {
  display: flex;
  align-items: center;
}

.book-icon {
  font-size: 100px;
}

.book-author {
  margin-bottom: 10px;

  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
}

.book-button {
  border: none;
  background-color: black;
  padding: 5px;
  border-radius: 5px;

  color: white;
  text-wrap: nowrap;
}

.delete-button {
  background-color: red;
}

.edit-button {
  background-color: green;
}

#custom-dialog {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 0 10px;

  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}

.custom-dialog-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;

  text-align: center;
}

.button-wrapper {
  display: flex;
  gap: 5px;
}

@media screen and (max-width: 768px) {
  #open-menu-mobile {
    display: block;
  }

  .dekstop-navbar {
    display: none;
  }

  #add-edit-book {
    padding: 0 10px;
  }

  .bookshelf,
  .search-book-section {
    width: 100%;
  }
}

@media screen and (max-width: 478px) {
  .form-book-icon {
    display: none;
  }

  .more-than-one-book {
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
  }

  .search-input-wrapper {
    width: 100%;
  }
}

@media screen and (max-width: 375px) {
  h1 {
    font-size: 20px;
  }
}