* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: Roboto, "Open Sans", "Helvetica Neue", sans-serif;
}

:root {
  --box-shadow: 0 2px 8px rgb(0, 0, 0, 0.4);
}

body {
  background: url("./images/website-background-templates.jpg");
  background-size: cover;
}

body.dark-mode {
  background: url("./images/dark-theme-background-z9hvyfgov8js4cg6.jpg");
  background-size: cover;
}

header {
  display: flex;
  justify-content: center;
}

.navbar {
  padding: 12px;
  display: flex;
  gap: 20px;
  border: 1px solid black;
  margin-top: 30px;
  margin-bottom: 20px;
  width: 95%;
  background-color: rgb(255, 255, 255);
  border-radius: 18px;
  justify-content: space-evenly;
  align-items: center;
}

#search-label {
  display: flex;
  gap: 15px;
}

#search-icon {
  width: auto;
  height: 35px;
  background-color: white;
}

input {
  padding: 8px;
  padding-left: 10px;
  border-radius: 12px;
  width: 600px;
  font-size: 1.2rem;
  border: none;
  background-color: rgb(236, 234, 234);
}

input:focus {
  border: none;
}

#brand {
  font-size: 3rem;
  color: #2ecc71;
  text-shadow: 1px 1px 3px rgb(0, 0, 0);
}

#brand-label {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 1.4rem;
}

#newBtn {
  margin: 10px;
  padding: 8px 18px;
  font-size: 1.4rem;
  font-weight: 600;
  color: rgb(255, 255, 255);
  background-color: rgb(135, 212, 19);
  border-radius: 12px;
  cursor: pointer;
}

.library-container {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  place-content: center;
}

.book-card {
  max-width: 300px;
  width: 100%;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  border: 2px solid black;
  overflow: hidden;
  background-color: #ffff;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.book-card img {
  width: 100%;
  height: 200px;
  border: 1px solid white;
}

.book-card h2 {
  font-size: 1.4rem;
  color: black;
}

.book-card p {
  font-size: 1.2rem;
  color: black;
}

#readBtn {
  width: 100px;
  padding: 8px 10px;
  background-color: red;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  box-shadow: 0 3px 4px rgb(0, 0, 0, 0.3);
  text-align: center;
}

.btn-container {
  display: flex;
  gap: 20px;
  margin-top: 8px;
}

#remove-Btn {
  width: 100px;
  padding: 8px 10px;
  background-color: red;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  box-shadow: 0 3px 4px rgb(0, 0, 0, 0.3);
  text-align: center;
}

dialog {
  margin: auto;
  border-radius: 15px;
  border: none;
  box-shadow: 1px 4px 10px rgb(0, 0, 0, 0.5);
}

dialog::backdrop {
  background: rgb(0, 0, 0, 0.3);
}

.dialog-content {
  display: flex;
}

#closeBtn {
  margin: 5px;
  font-size: 1.2rem;
  font-weight: 700;
  width: 40px;
  height: 40px;
  padding: 4px;
  background-color: transparent;
  border: none;
  cursor: pointer;
}

#dialogForm {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 350px;
  padding: 20px;
}

#dialogForm h2 {
  margin-left: 12px;
  font-size: 1.4rem;
  margin-bottom: 10px;
}

label {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: Arial, Helvetica, sans-serif;
}

input[type="text"],
[type="number"],
[type="url"] {
  width: 340px;
  height: 35px;
  padding-left: 10px;
  font-size: 1.1rem;
  border: none;
  border-bottom: 0.1px solid;
}
input[type="text"],
[type="number"],
[type="url"]:focus {
  border-radius: 8px;
  border: none;
}

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

#addBtn {
  font-size: 1.1rem;
  padding: 8px;
  font-weight: 600;
  background-color: green;
  color: white;
  border-radius: 10px;
}

select {
  font-size: 1.1rem;
  padding: 6px;
  width: 100px;
  border-radius: 5px;
  border: none;
}