/* Modern Font Theme */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');

/* Enhanced CSS Styling */
:root {
    --primary-color: #6c63ff;
    /* Vibrant Purple */
    --secondary-color: #ff4081;
    /* Electric Pink */
    --accent-color: #00bcd4;
    /* Teal Accent */
    --light-bg: #f3e5f5;
    /* Light Lavender */
    --text-color: #37474f;
    /* Dark Grayish Blue */
    --light-text: #ffffff;
    /* White */
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    /* Enhanced Shadow */
    --font-family: 'Nunito', sans-serif;
    --h1-font-size: 3rem;
    --h2-font-size: 2.4rem;
    --h3-font-size: 1.8rem;
    --normal-font-size: 1.1rem;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.8;
    /* Increased line height */
    transition: background-color 0.4s ease;
    font-size: var(--normal-font-size);
    overflow-x: hidden;
    /* Prevent horizontal scrollbar */
    background-image: radial-gradient(circle, rgba(255, 64, 129, 0.05), transparent);
    /* Subtle Background */
}

h1 {
    font-size: var(--h1-font-size);
    font-weight: 700;
    /* Bold Header */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.15);
    /* Subtle Text Shadow */
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55), color 0.5s ease;
    /* Peak Transition */
}

h1:hover {
    transform: translateY(-5px) scale(1.1);
    /* Enhanced Hover */
    color: var(--accent-color);
}

h2 {
    font-size: var(--h2-font-size);
    color: var(--primary-color);
    transition: color 0.4s ease;
}

h2:hover {
    color: var(--secondary-color);
}

h3 {
    font-size: var(--h3-font-size);
    color: var(--text-color);
}

header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 2.5em 0;
    /* Increased padding */
    text-align: center;
    box-shadow: var(--box-shadow);
    border-bottom: 5px solid var(--secondary-color);
    /* Border Accent */
}

nav {
    background-color: var(--secondary-color);
    box-shadow: var(--box-shadow);
    font-size: 1.2rem;
    /* Increased font size */
    transition: transform 0.3s ease;
}

nav:hover {
    transform: scale(1.03);
}

nav ul {
    padding: 0;
    list-style: none;
    overflow: hidden;
    margin: 0;
    display: flex;
    justify-content: space-around;
}

nav li {
    flex: 1;
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    /* Peak Transition */
}

nav li:hover {
    transform: translateY(-7px);
}

nav a {
    display: block;
    color: var(--light-text);
    text-align: center;
    padding: 1.3em;
    /* Increased padding */
    text-decoration: none;
    transition: background-color 0.4s ease, color 0.4s ease;
    border-radius: 7px;
}

nav a:hover {
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--light-text);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

main {
    padding: 30px;
    /* Increased padding */
}

section {
    background-color: var(--light-text);
    /* Pure white for contrast */
    padding: 2.5em;
    /* Increased padding */
    margin-bottom: 2.5em;
    /* Increased margin */
    border-radius: 15px;
    /* More rounded corners */
    box-shadow: var(--box-shadow);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.3s ease;
    /* Peak Transition */
    border: 2px solid rgba(0, 0, 0, 0.05);
    /* Subtle Border */
}

section:hover {
    transform: translateY(-7px);
    /* More pronounced lift */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    /* More pronounced shadow */
}

.hidden {
    display: none;
}

/* Form Styles */
form label {
    display: block;
    margin-bottom: 0.7em;
    /* Increased margin */
    font-weight: 600;
    /* Semi-bold */
    color: var(--text-color);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    /* Subtle Text Shadow */
    transition: color 0.4s ease, transform 0.3s ease;
    /* Peak Transition */
}

form label:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

form input[type="text"],
form input[type="password"],
form select {
    width: 100%;
    padding: 1.1em;
    /* Increased padding */
    margin-bottom: 1.7em;
    /* Increased margin */
    border: 2px solid #cbd5e1;
    /* Gray 300 */
    border-radius: 10px;
    /* More rounded corners */
    box-sizing: border-box;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    font-size: var(--normal-font-size);
}

form input[type="text"]:focus,
form input[type="password"]:focus,
form select:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 9px rgba(255, 64, 129, 0.4);
    /* Pink 200 */
}

/* Button Styles */
button {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 1.2em 1.8em;
    /* Increased padding */
    border: none;
    border-radius: 10px;
    /* More rounded corners */
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* Button Shadow */
    transition: background-color 0.4s ease, transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.4s ease;
    /* Peak Transition */
}

button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px) scale(1.1);
    /* Enhanced Hover */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Enhanced Search Button Styling */
#search-button {
    background-color: var(--accent-color);
    /* Teal 500 */
    color: var(--light-text);
    padding: 1.2em 2em;
    /* Increased padding */
    border-radius: 12px;
    /* Even more rounded corners */
    font-size: 1.3rem;
    /* Further increased font size */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
    /* Enhanced shadow */
    transition: background-color 0.4s ease, transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.4s ease;
    /* Peak Transition */
}

#search-button:hover {
    background-color: #26a69a;
    /* Teal 600 */
    transform: translateY(-6px) scale(1.1);
    /* Slightly more pronounced lift */
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.3);
    /* Even stronger shadow */
}

/* Enhanced Select Styles */
select {
    appearance: none;
    /* Remove default arrow */
    background-color: var(--light-text);
    /* Pure white */
    border: 2px solid #94a3b8;
    /* Gray 400 */
    border-radius: 10px;
    /* More rounded corners */
    padding: 1em 3.5em 1em 1.2em;
    /* Adjust padding to accommodate custom arrow */
    font-size: var(--normal-font-size);
    color: var(--text-color);
    cursor: pointer;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    background-image:
        url('data:image/svg+xml;utf8,<svg fill="%23777" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path d="M0 0l4 0l-2 5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1.2em top 50%, 0 0;
    background-size: 0.9em auto, 100%;
}

select:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.4);
    /* Teal Shadow */
}

/* Notification */
#notification {
    position: fixed;
    top: 40px;
    /* Increased spacing */
    right: 40px;
    /* Increased spacing */
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 1.4em 1.7em;
    /* Increased padding */
    border-radius: 12px;
    /* More rounded corners */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    /* Enhanced Shadow */
    z-index: 1000;
    font-size: var(--normal-font-size);
    animation: slideIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), fadeOut 2.5s linear 3.5s forwards;
    /* Enhanced Animation */
}

@keyframes slideIn {
    from {
        transform: translateX(120%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 2em;
    /* Increased padding */
    background-color: var(--primary-color);
    color: var(--light-text);
    box-shadow: var(--box-shadow);
    font-size: 1rem;
    /* Slightly smaller font size */
}

/* List Styles */
ul {
    list-style: none;
    padding: 0;
}

ul li {
    padding: 1.2em 0;
    /* Increased padding */
    border-bottom: 1.5px solid #e0e0e0;
    /* Gray 200 */
    transition: transform 0.3s ease, background-color 0.3s ease;
}

ul li:hover {
    transform: translateX(5px);
    background-color: rgba(0, 0, 0, 0.02);
}

ul li:last-child {
    border-bottom: none;
}

/* Responsive Layout */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }

    nav li {
        flex: none;
    }
}

/* Enhanced Librarian Dashboard Styles */
#librarian-dashboard h3 {
    color: var(--accent-color);
    margin-bottom: 1.2em;
    /* Increased margin */
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

#librarian-dashboard label {
    font-weight: 600;
    /* Semi-bold */
    color: var(--text-color);
    display: block;
    margin-bottom: 0.6em;
    /* Increased margin */
    transition: color 0.4s ease, transform 0.3s ease;
    /* Peak Transition */
}

#librarian-dashboard label:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

#librarian-dashboard input[type="text"],
#librarian-dashboard select {
    width: 100%;
    padding: 1em;
    /* Increased padding */
    margin-bottom: 1.4em;
    /* Increased margin */
    border: 2px solid #9ca3af;
    /* Gray 400 */
    border-radius: 8px;
    /* More rounded corners */
    box-sizing: border-box;
    font-size: var(--normal-font-size);
}

#librarian-dashboard input[type="text"]:focus,
#librarian-dashboard select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 9px rgba(0, 188, 212, 0.4);
    /* Teal Shadow */
}

#librarian-dashboard button {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 1.1em 1.5em;
    /* Increased padding */
    border: none;
    border-radius: 8px;
    /* More rounded corners */
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* Button Shadow */
    transition: background-color 0.4s ease, transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.4s ease;
    /* Peak Transition */
}

#librarian-dashboard button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px) scale(1.1);
    /* Enhanced Hover */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Style for displaying books in the dashboard */
#display-books-area {
    margin-top: 2.5em;
    /* Increased margin */
    padding: 2em;
    /* Increased padding */
    border: 2px solid #cbd5e1;
    /* Gray 300 */
    border-radius: 10px;
    /* More rounded corners */
    background-color: #eceff1;
    /* Gray 100 */
    box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.1);
    /* Inset Shadow */
}

/* Enhanced Input Styles (Search, ISBN, etc.) */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 1.2em;
    /* Increased padding for better touch/click area */
    margin-bottom: 1.7em;
    /* Increased margin for spacing */
    border: 2px solid #9ca3af;
    /* Gray 400 - softer border color */
    border-radius: 10px;
    /* More rounded corners */
    box-sizing: border-box;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    font-size: var(--normal-font-size);
    color: var(--text-color);
}

input[type="text"]:focus,
input[type="password"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.4);
    /* Teal Shadow */
}

/* Styling for the user selection buttons */
#user-selection {
    text-align: center;
}

#user-selection button {
    margin: 0 20px;
    /* Add horizontal spacing between buttons */
    padding: 1.3em 2em;
    font-size: 1.3rem;
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.3s ease;
    /* Peak Transition */
}

#user-selection button:hover {
    transform: translateY(-6px) scale(1.1);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.3);
}

/* Horizontal Book Display Styles */
.department-container {
    margin-bottom: 25px;
}

.department-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--secondary-color);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.15);
    transition: color 0.4s ease, transform 0.3s ease;
    /* Peak Transition */
}

.department-title:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.book-list-horizontal {
    display: flex;
    overflow-x: auto;
    padding-bottom: 20px;
    /* Add some space for the scrollbar */
    transition: transform 0.3s ease;
}

.book-list-horizontal:hover {
    transform: scale(1.03);
}

.book-item {
    background-color: #fff9c4;
    /* Light Yellow */
    border: 2px solid #ffee58;
    /* Yellow Accent */
    border-radius: 12px;
    padding: 20px;
    margin-right: 20px;
    width: 280px;
    /* Adjust as needed */
    flex: 0 0 auto;
    /* Prevent items from shrinking */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    /* Enhanced Shadow */
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55), box-shadow 0.3s ease;
    /* Peak Transition */
}

.book-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.book-item:last-child {
    margin-right: 0;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .book-item {
        width: 90%;
        /* Adjust for smaller screens */
    }
}

.libro-heading {
    font-family: 'Poppins', ;
    font-weight: 700;
    font-size: 2em;
    /* Adjust size as needed */
    line-height: 1.2;
    /* Adjust line height for spacing */
}

.tagline {
    font-size: 0.8em;
    /* Adjust size as needed */
    font-family: 'Poppins';
    /* Or another suitable font */
}