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

body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
}

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button,
input[type="submit"] {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}

button:hover,
input[type="submit"]:hover {
    background-color: #444;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header .logo {
    font-size: 2rem;
    font-weight: bold;
}

header input[type="text"] {
    width: 50%;
    padding: 10px;
    border: 1px solid #ddd;
}

header nav {
    display: flex;
}

header nav ul {
    display: flex;
}

header nav ul li {
    padding: 0 10px;
}

header .login-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
}

/* Bottom Nav Styles */
.bottom-nav {
    display: flex;
    justify-content: center;
    background-color: #333;
    padding: 10px;
}

.bottom-nav-item {
    padding: 10px;
    color: #fff;
}

/* Login Form Styles */
.login-form {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.login-form form {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    padding: 40px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-form label {
    display: block;
    margin-bottom: 10px;
}

.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

/* Home Section Styles */
.home {
    padding: 40px;
}

.promo-banner {
    background-color: #4CAF50;
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-bottom: 40px;
}

.slider {
    width: 100%;
    height: 400px;
    background-color: #ddd;
    margin-bottom: 40px;
}

.featured-books {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.featured-books h2 {
    width: 100%;
    margin-bottom: 20px;
}

.book-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.book-item {
    width: 30%;
    margin-bottom: 20px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 5px;
}

.book-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
}

.book-item h3 {
    margin-bottom: 10px;
}

.book-item p {
    margin-bottom: 20px;
}

/* Icons Section Styles */
.icons {
    display: flex;
    justify-content: space-between;
    padding: 40px;
    background-color: #f5f5f5;
}

.icon-item {
    text-align: center;
}

.icon-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}