styles.css

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@600&display=swap');

:root {
  --book-title-font: 'Open Sans', sans-serif;
  --bg-color:  #f8fafc;
  --header-color: rgb(215, 220, 223);
  --footer-color: transparent;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--book-title-font);
  background-color: var(--bg-color);
}

.main-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--header-color);
  font-size: 0.9rem;
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.3);
}

.header h1 {
  color: rgb(0, 0, 0);
}

/* Modal styling */

@keyframes fadeIn {
  from {
    opacity: 0; /* Start with 0 opacity */
  }
  to {
    opacity: 1; /* End with 1 opacity */
  }
}

dialog::backdrop {
  background-image: linear-gradient(
    45deg,
    rgb(14, 14, 15),
    rgb(14, 14, 15)
  );
  opacity: 0.97;
}

.modal-btn {
  border-radius: 20px;
  border: none;
  width: 100%;
  height: 555px;
  opacity: 0.8;
  background-color: transparent;
  outline: 2px solid rgb(166, 164, 164);
  transition: transform 0.3s ease-out;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.modal-btn:hover {
  transform: scale(1.05);
}

svg {
  width: 200px;
}

dialog {
  border: 2px solid rgb(15, 102, 157);
  background-color: rgb(192, 237, 255);
  border-radius: 10px;
  padding: 30px;
  position: fixed;
  width: 300px;
  animation: fadeIn 0.7s ease; 
}

form {
 display: flex;
 flex-direction: column;
 gap: 20px;
}

input {
  background-color: rgb(192, 237, 255);
  border: none;
  border-bottom: 1px solid rgb(0, 0, 0);
  outline: none;
  color: rgba(0, 0, 0, 0.881);
  padding: 0;
  padding-bottom: 2px;
  font-size: 1rem;
  height: 25px;
}

select {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  appearance: none; 
  -webkit-appearance: none;
  padding-bottom: 2px;
  font-size: 1rem;
  height: 25px;
}

#genre {
  background-color: rgb(192, 237, 255);
  border: none;
  border-bottom: 1px solid rgb(0, 0, 0);
  outline: none;
  cursor: pointer;
  color: rgb(0, 0, 0);
}

label[for="isRead"] {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

input[type="checkbox"] {
  display: none;
}

.custom-checkbox {
  width: 17px;
  height: 17px;
  border: 1px solid rgb(0, 0, 0);
  background-color: rgb(192, 237, 255);
  position: relative;
  border-radius: 3px;
}

.custom-checkbox:hover {
  background-color: rgb(157, 219, 244);
}

.checkmark::before {
  content: '\2713'; 
  color: rgb(0, 0, 0); 
  font-size: 16px; 
  position: absolute;
  font-weight: bold;
  top: 50%;
  left: 45%;
  transform: translate(-50%, -50%);
  display: none;
}

input[type="checkbox"]:checked + .custom-checkbox .checkmark::before {
  display: block;
}

label {
  margin-bottom: -12px;
  color: rgb(13, 74, 107);
  font-size: 1rem;
}

#cancel {
  position: relative;
  bottom: 18px;
  right: 18px;
  width: 20px;
  height: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.5);
  background-color: rgb(192, 237, 255);
  color: rgba(0, 0, 0, 0.69);
  padding-bottom: 3px;
  border-radius: 5px;
  margin-bottom: 15px;
  font-size: 0.9rem;
  cursor: pointer;
}

#cancel::before {
  content: "x";
}

#cancel:hover {
  background-color: rgb(157, 219, 244);
}

#submit-btn {
  margin-top: 15px;
  border: 1px solid rgb(0, 0, 0);
  background-color: transparent;
  color: rgb(0, 0, 0);
  font-size: 1rem;
  padding-top: 8px;
  padding-bottom: 8px;
  cursor: pointer;
  border-radius: 5px;
}

#submit-btn:hover {
  background-color: rgb(157, 219, 244);
}

.header > button {
  width: 100px;
  height: 50px;
  font-size: 1rem;
}

.header > button:active {
  background-color: rgb(140, 136, 136);
  outline: none;
}

.library-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  grid-auto-rows: 610px;
  gap: 60px;
  margin: 50px;
  flex: 1;
}

.book-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  position: relative;
}

.book-sample {
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  transition: opacity 0.5s ease;
  z-index: 2;
}

.book-sample:hover {
  opacity: 0;
}

.inner-container  {
  position: absolute;
  width: 100%;
  height: 555px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 5px 10px 10px 5px;
  background-color: rgb(164, 220, 236);
  font-size: 20px;
  z-index: 1;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
  padding: 0 20px;
}

.small-content p > span {
  margin-left: 3px;
}

.small-content {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.inner-container p {
  color: rgb(0, 0, 0);
  padding: 0;
  margin: 0;
}

.book-sample h1 {
  margin: 0;
  background-color: rgba(157, 183, 239, 0.242);
  box-shadow: 0 5px 5px -5px rgba(0, 0, 0, 0.8),
              0 -5px 5px -5px rgba(0, 0, 0, 0.8);
  font-size: 2.2rem;
  color: rgb(247, 247, 247);
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 20%;
  width: 100%;
  min-height: 80px;
  padding: 10px 20px 10px 20px;
}

.book-sample .book-cover {
  background-color: rgb(109, 100, 100);
  height: 100%;
  border-radius: 5px 10px 10px 5px;
  box-shadow: 10px 5px 10px rgba(0, 0, 0, 0.65);
  border-left: 10px solid rgb(25, 6, 53);
}

.btn-container {
  display: flex;
  gap: 30px;
}

.del-btn::before {
  content: "Remove Book";
}

.del-btn,
.read-btn {
  width: 50%;
  height: 40px;
  cursor: pointer;
  border-radius: 5px;
  border: none;
  transition: transform 0.3s ease-out;
  color: rgb(0, 0, 0);
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

.read-btn {
  border: 1px solid rgb(109, 109, 109);
}

.del-btn {
  border: 1px solid rgb(109, 109, 109);
  background-color: rgb(251, 250, 250);
}

.read-btn:hover {
  transform: scale(1.1);
}

.del-btn:hover {
  background-color: rgb(234, 231, 231);
  transform: scale(1.1);
}

.footer {
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--footer-color);
  color: rgb(0, 0, 0);
  font-size: 0.9rem;
}

a {
  text-decoration: none;
  color: rgb(0, 0, 0);
  margin-left: 5px;
}

a:hover {
  color: rgb(41, 132, 142);
}

a:visited {
  color: none;
}