@import url("https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,200..900;1,200..900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,200..1000;1,6..12,200..1000&display=swap");

:root {
  --light-gray: #e0e0e0;
  --dark-gray: #333333;
  --text-gray: #4f4f4f;
  --red: #e66063;
  --white: #f2f2f2;
  --border-radius-value: 7px;
  --box-shadow-value: 0 2px 20px rgba(0, 0, 0, 0.2);
  --ease-in-out: all 0.3s ease-in-out;
  --scale-in-out: scale(1.05);
}

body {
  background-color: var(--light-gray);
  font-family: "Roboto";
  padding: 0;
  margin: 0;
  min-height: 100vh;
}

.maincontainer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.book-tracking {
  color: var(--dark-gray);
  font-family: "Source Sans 3";
  font-size: 50px;
}

.add-books,
.submit-book,
.book-reading-status,
.remove-book {
  color: var(--white);
  background-color: var(--dark-gray);
  height: 45px;
  font-family: "Roboto";
  font-size: 16px;
  letter-spacing: 0.7px;
  border: none;
  border-radius: var(--border-radius-value);
  cursor: pointer;
  box-shadow: var(--box-shadow-value);
  transition: var(--ease-in-out);
}

.add-books {
  width: 150px;
}

.submit-book {
  width: 100%;
}

.book-buttons {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.book-reading-status,
.remove-book {
  width: 265px;
}

.add-books:hover,
.submit-book:hover,
.book-reading-status:hover,
.remove-book:hover {
  transform: var(--scale-in-out);
}

.modal {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--white);
  height: 525px;
  width: 350px;
  padding: 20px;
  position: fixed;
  top: 12%;
  z-index: 2;
  border-radius: var(--border-radius-value);
  transform: scale(0);
  transition: transform 0.5s ease;
}

.modal.visible {
  transform: scale(1);
}

.modal-overlay {
  background: rgba(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  z-index: 1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  cursor: pointer;
}

.modal-overlay.hidden {
  display: none;
}

.add-new-book,
.book-title {
  color: var(--dark-gray);
  font-family: "Source Sans 3";
  text-align: center;
}

.add-new-book {
  font-size: 30px;
  margin-top: -5px;
  margin-bottom: -5px;
}

.title-1,
.title-2,
.title-3,
.title-4 {
  color: var(--dark-gray);
  font-family: "Roboto";
  font-size: 18px;
  font-weight: 600;
}

.title-1,
.title-2,
.title-3 {
  margin-bottom: -15px;
}

.book-input,
.author-input,
.pages-input {
  color: var(--dark-gray);
  background-color: var(--light-gray);
  height: 40px;
  width: 90%;
  padding-left: 17px;
  padding-right: 17px;
  font-family: "Roboto";
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius-value);
  cursor: text;
}

.book-status {
  color: var(--dark-gray);
  background-color: var(--light-gray);
  height: 40px;
  width: 35%;
  padding-left: 17px;
  padding-right: 17px;
  margin-bottom: 30px;
  font-family: "Roboto";
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius-value);
  cursor: pointer;
}

.book-input:focus,
.author-input:focus,
.pages-input:focus,
.book-status:focus {
  color: var(--dark-gray);
}

.book-input::placeholder,
.author-input::placeholder,
.pages-input::placeholder {
  color: var(--text-gray);
}

.book-input.error,
.author-input.error,
.pages-input.error {
  border: 2px solid var(--red);
}

.book-input-error,
.author-input-error,
.pages-input-error {
  color: var(--red);
  font-size: 10.5px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.5px;
  position: relative;
  left: 230px;
  opacity: 0;
  transition: var(--ease-in-out);
}

.books {
  display: grid;
  grid-template-columns: repeat(3, 300px);
  grid-template-rows: repeat(1, 325px);
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 50px;
  margin-bottom: 40px;
}

.book-card {
  background-color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 325px;
  width: 300px;
  cursor: pointer;
  border-radius: var(--border-radius-value);
  box-shadow: var(--box-shadow-value);
  transition: var(--ease-in-out);
}

.book-card:hover {
  transform: var(--scale-in-out);
}

.book-author,
.book-pages {
  color: var(--dark-gray);
  font-family: "Roboto";
  font-size: 18px;
  font-weight: 500;
}

.book-author {
  margin-top: 35px;
  margin-bottom: 3px;
}

.footer {
  color: black;
  font-family: "Nunito Sans";
  font-size: 11px;
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}

.footer a {
  color: black;
}

.footer a:visited {
  color: black;
}

@media screen and (max-width: 1000px) {
  .books {
    grid-template-columns: repeat(2, 300px);
  }
}

@media screen and (max-width: 700px) {
  .books {
    grid-template-columns: repeat(1, 300px);
  }
}