@import url("https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&family=Poppins:wght@400;500;600;700&display=swap");

* {
  margin: 0;
  border: 0;
  box-sizing: border-box;
  font-family: "Lato", sans-serif;
}

/* header section */

nav {
  background-color: #eee;
  color: #fff;
  display: flex;
  justify-content: space-between;
  border: 3px solid #ccc;
  padding: 10px;
  margin: 0 20px;
}

nav ul {
  display: flex;
  list-style: none;
  align-items: center;
  justify-content: center;
}

nav li {
  padding: 0 0.56rem;
  background-color: #eee;
}

nav a {
  color: #000;
  text-decoration: none;
}

nav a:focus {
  color: #6278dc;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
}

span {
  color: #000;
}

main {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem;
  align-items: center;
}

section {
  flex: 1;
  min-width: 50%;
  max-width: 100%;
  border-radius: 0.5rem;
  overflow: hidden;
}

section.book-container {
  border: 1px solid black;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
}

.book-list {
  border: 3px solid #ccc;
}

h2 {
  margin: 0;
  text-align: center;
  margin-bottom: 2rem;
  background-color: #ccc;
  padding: 1rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

input {
  padding: 0.5rem;
  border: none;
  border-radius: 0.25rem;
  box-shadow: inset 0 0 0 1px #ccc;
}

button {
  background-color: #fff;
  color: #000;
  padding: 0.3rem 0.6rem;
  border-radius: 0.25rem;
  cursor: pointer;
  align-self: flex-end;
  box-shadow: 4px 4px 0 #000;
  border: 1px solid #000;
}

.books ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.books ul li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem;
}

.book-list li:nth-child(odd) {
  background-color: #f4f2f2;
}

.error {
  background-color: #eee;
  color: #ff0707;
  border-radius: 0.5rem;
  font-size: 1rem;
  padding: 0.8rem;
  font-weight: 600;
  min-width: 40%;
  max-width: 100%;
  text-align: center;
}

.success {
  background-color: #eee;
  color: rgb(10, 193, 10);
  border-radius: 0.5rem;
  font-size: 1rem;
  padding: 0.8rem;
  font-weight: 600;
  min-width: 40%;
  max-width: 100%;
  text-align: center;
}

.content-section {
  margin: 20px;
  border: 2px solid #eee;
}

.hidden {
  display: none;
}

#date-time {
  display: flex;
  justify-content: flex-end;
  margin-right: 20px;
  padding: 0.4rem;
  font-size: 0.9rem;
}

.contact {
  padding: 1rem;
}

.contact ul {
  margin-top: 1.5rem;
}

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

footer p {
  position: fixed;
  border: 2.5px solid #ccc;
  background-color: #eee;
  width: 97%;
  padding: 0.5rem 0.8rem;
  bottom: 0;
}