/* Reset default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Reset some basic elements */
body, h1, h2, h3, p, ul, li, form, input, textarea, button {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* General Styles */
body {
    font-family: 'Lato', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

/* Navigation Bar */
nav {
    background-color: #4CAF50;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    float: left;
    padding: 15px 20px;
    font-size: 1.5em;
    font-weight: 700;
}

nav .logo a {
    color: #fff;
    text-decoration: none;
    font-size: 1.5em;
    margin-left: 20px;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 15px;
}

nav .nav-links {
    float: right;
    margin-right: 20px;
}

nav .nav-links li {
    display: inline-block;
    line-height: 60px;
    margin-left: 20px;
}

nav .nav-links li a {
    display: block;
    padding: 0 20px;
    text-decoration: none;
    color: #fff;
    font-size: 1.1em;
    font-weight: 500;
}

.nav-links li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

nav .nav-links li a:hover {
    text-decoration: underline;
}

.nav-links li a:hover {
    background-color: #45a049;
}

/* Hero Section (homepage.html) */
.hero {
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/static/library.jpg') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-align: center;
    overflow: hidden;
    background-image: url('{{ url_for('static', filename='images/hero-background.jpg') }}');
    background-size: cover;
    background-position: center;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out forwards;
    text-align: center;
    max-width: 600px;
    padding: 20px;
}

.hero-content h1 {
    font-size: 4em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    font-size: 3em;
}


.hero-content p {
    font-size: 1.5em;
    margin-bottom: 30px;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.6);
    font-size: 1.2em;
}

.cta-button {
    background: linear-gradient(45deg, #ff6347, #ff4c29);
    color: #fff;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.3em;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    background-color: #4CAF50;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1em;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    background-color: #45a049;
}

/* About Section (homepage.html) */
.about {
    padding: 80px 20px;
    background-color: #fff;
    text-align: center;
    animation: fadeIn 1s ease-out forwards;
}

.about h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}

.about p {
    font-size: 1.2em;
    color: #555;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    transition: color 0.3s;
}

.about p:hover {
    color: #ff6347;
}

/* Features Section (homepage.html) */
.features {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/static/images/hihi.jpg') no-repeat center center/cover;
    
    padding: 80px 20px;
    background-color: #f0f8ff;
    text-align: center;
    padding: 60px 0;
    background-color: #f1f1f1;
}

.features h2 {
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #333;
    position: relative;
    text-align: center;
    margin-bottom: 40px;
    color: #222;
}

.features h2::after {
    content: '';
    width: 60px;
    height: 4px;
    background: #ff6347;
    display: block;
    margin: 10px auto 0;
    border-radius: 2px;
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.feature-item {
    width: 280px;
    margin: 15px;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    flex: 1 1 250px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.feature-item h3 {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #333;
    margin-bottom: 15px;
    color: #4CAF50;
}

.feature-item p {
    font-size: 1em;
    color: #666;
    line-height: 1.5;
    color: #555;
    line-height: 1.6;
}

/* Call to Action Section (homepage.html) */
.cta {
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(135deg, #ff7e5f, #feb47b);
    color: #fff;
    animation: slideIn 1s ease-out forwards;
}

.cta h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.cta .cta-button {
    background: #fff;
    color: #ff6347;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.3em;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

.cta .cta-button:hover {
    background-color: #ff4c29;
    color: #fff;
}

/* Main Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1s ease-out forwards;
}

/* Homepage Headings and Text */
.container h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    color: #333;
    text-align: center;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.1);
}

.container p {
    font-size: 1.3em;
    color: #555;
    margin-bottom: 50px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* styles.css */

/* ... Existing Styles ... */

/* Contact Section */
.contact {
    padding: 80px 20px;
    background-color: #fff;
    text-align: center;
    animation: fadeIn 1s ease-out forwards;
}

.contact h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}

.contact p {
    font-size: 1.2em;
    color: #555;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.contact-form {
    max-width: 600px;
    margin: auto;
    text-align: left;
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s;
}

.contact-form:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    font-size: 1.1em;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: #ff6347;
    box-shadow: 0 0 5px rgba(255, 99, 71, 0.5);
    outline: none;
}

.contact-form button {
    background-color: #ff6347;
    color: #fff;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s, box-shadow 0.3s;
    display: block;
    margin: auto;
}

.contact-form button:hover {
    background-color: #ff4c29;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .contact-form {
        padding: 20px;
    }

    .contact-form button {
        width: 100%;
    }
}

/* Form Styles (recommendations) */
form {
    
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 50px;
}

.form-group {
    margin-bottom: 20px;
    width: 100%;
    max-width: 500px;
}

label {
    display: block;
    font-size: 1em;
    color: #333;
    margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

button {
    background-color: #ff6347;
    color: #fff;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 20px;
}

button:hover {
    background-color: #ff4c29;
}

/* Recommendations/Book Cards */
.recommendations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 40px;
    gap: 20px;
}

.book-card {
    background-color: #fafafa;
    border: 1px solid #ddd;
    border-radius: 3px;
    margin: 15px;
    padding: 20px;
    width: 220px;
    text-align: center;
    transition: box-shadow 0.3s;
    width: 200px;
    padding: 10px;
}

.book-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.book-card img {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
    border-radius: 5px;
}

.book-card img.book-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.book-card h3 {
    font-size: 1.1em;
    color: #333;
    margin-bottom: 10px;
    margin: 10px 0;
}

.book-card p {
    font-size: 1em;
    color: #666;
    line-height: 1.5;
    font-size: 0.9em;
    color: #555;
}

.book-card .btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 12px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
}

.book-card .btn:hover {
    background-color: #555;
}

/* Book Detail Page */
.book-detail {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 20px;
}

.book-detail img.book-image-detail {
    width: 300px;
    height: 450px;
    object-fit: cover;
    float: left;
    margin-right: 20px;
}

.book-detail-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-right: 30px;
}

.book-detail-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .book-detail-content {
        grid-template-columns: 1fr 2fr;
    }
}

.book-image-detail {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.book-info {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex: 1;
    min-width: 250px;
}

.book-info h1 {
    font-size: 2em;
    margin-bottom: 10px;
    color: #222;
    margin-top: 0;
}

.book-info p {
    margin: 8px 0;
    line-height: 1.6;
}

.book-info strong {
    color: #555;
}

.book-detail-info h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #333;
    margin-bottom: 20px;
}

.book-detail-info p {
    font-size: 1em;
    color: #555;
    margin-bottom: 10px;
}

.book-detail-info h2 {
    font-size: 1.8em;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #333;
}

.back-button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #ff6347;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.back-button:hover {
    background-color: #ff4c29;
}

/* Contact Section */
.contact {
    padding: 60px 20px;
    background-color: #fff;
    text-align: center;
}

.contact h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}

.contact p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: auto;
    text-align: left;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-size: 1em;
    color: #333;
    margin-bottom: 8px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

/* Flash Messages */
.flash-messages {
    width: 90%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 10px;
    width: 80%;
    margin: 20px auto;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 1em;
    text-align: center;
    margin-bottom: 10px;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    background-color: #4CAF50;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    background-color: #f44336;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #f1f1f1;
    margin-top: 40px;
    font-size: 0.9em;
    color: #555;
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
    margin-top: 60px;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav .nav-links {
        float: none;
        text-align: center;
    }
    nav .nav-links li {
        display: block;
        line-height: 30px;
        margin: 10px 0;
    }
    .container h1,
    .contact h1,
    .about h2,
    .features h2 {
        font-size: 2em;
    }
    input[type="text"],
    input[type="email"],
    textarea {
        max-width: 100%;
    }
    .book-card {
        width: 45%;
    }
    .book-detail {
        flex-direction: column;
        align-items: center;
    }
    .book-detail-image {
        margin-right: 0;
        margin-bottom: 20px;
    }
    .feature-list {
        flex-direction: column;
        align-items: center;
    }
    .feature-item {
        width: 80%;
    }
    footer {
        position: relative;
    }
    .recommendations {
        flex-direction: column;
        align-items: center;
    }
    .book-detail img.book-image-detail {
        float: none;
        display: block;
        margin: 0 auto 20px auto;
    }
    .hero-content h1 {
        font-size: 2.5em;
    }

    .hero-content p {
        font-size: 1em;
    }

    .cta-button {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        flex-direction: column;
        align-items: center;
    }

    .links-grid {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .book-card {
        width: 100%;
    }
    .hero-content h1 {
        font-size: 2em;
    }
    .hero-content p {
        font-size: 1em;
    }
    .cta h2 {
        font-size: 1.5em;
    }
}

/* Authentication Forms */
.auth-form {
    max-width: 400px;
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.auth-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 2px solid #ccc;
    border-radius: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.auth-form button {
    width: 100%;
    padding: 15px;
    background-color: #ff6347;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    padding: 10px;
    background-color: #333;
    border-radius: 3px;
}

.auth-form button:hover {
    background-color: #ff4c29;
    background-color: #555;
}

/* Book Detail Styling */
.book-detail {
    padding: 20px;
}

.book-detail-content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.book-image-detail {
    max-width: 300px;
    width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.book-info {
    flex: 1;
    min-width: 250px;
}

.book-info h1 {
    margin-top: 0;
}

.book-info p {
    line-height: 1.6;
}

/* Links Section */
.links {
    padding: 60px 0;
}

.links h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #222;
}

.links-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.link-item {
    background-color: #4CAF50;
    color: #fff;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.link-item:hover {
    background-color: #45a049;
}

/* Background Image for Index Page */
.index-page {
    /* background-image: url('../images/background.jpg'); */
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/static/library.jpg') no-repeat center center/cover;

    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    min-height: 100vh;
}