COS498-HW3/frontend/public/styles/main.css

/* Themeing */
:root {
    --primary-color: #4C5454;
    --secondary-color: #fff;
    --accent-color: #AEF78E;
    --tertiary-color: #2E0014;
    --additional-color: #B80C09;
    --sidebar-width: 320px;
    --navbar-height: 60px;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--secondary-color);
    overflow: hidden;
    height: 100vh;
}

/* Navigation Bar */
.navbar {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    height: var(--navbar-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow);
}

.navbar-content {
    width: 100%;
    padding: 0 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: bold;
}

.navbar-brand i {
    font-size: 1.4rem;
    color: var(--accent-color);
}

/* Main Container */
.main-container {
    display: flex;
    height: 100vh;
    margin-top: var(--navbar-height);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: #f8f9fa;
    border-right: 2px solid #e9ecef;
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--navbar-height));
    overflow: hidden;
}

.sidebar-header {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
}

.sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Books Section */
.books-section {
    margin-bottom: 30px;
}

.books-section h4,
.chapters-section h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 5px;
}

.books-list {
    margin-bottom: 20px;
}

.book-item {
    background-color: var(--secondary-color);
    padding: 12px 15px;
    margin-bottom: 8px;
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.book-item:hover {
    background-color: var(--accent-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(5px);
}

.book-item.selected {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* Chapters Section */
.chapters-section {
    animation: slideDown 0.3s ease;
}

.chapters-list {
    overflow-y: auto;
}

.chapter-item {
    background-color: var(--secondary-color);
    padding: 10px 12px;
    margin-bottom: 6px;
    border-radius: var(--border-radius);
    border: 1px solid #e9ecef;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.chapter-item:hover {
    background-color: var(--accent-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(3px);
}

.chapter-item.selected {
    background-color: var(--additional-color);
    color: var(--secondary-color);
    border-color: var(--additional-color);
}

/* Content Area */
.content-area {
    flex: 1;
    height: calc(100vh - var(--navbar-height));
    overflow: hidden;
}

.pdf-container {
    height: 100%;
    position: relative;
}

.pdf-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    color: #6c757d;
}

.placeholder-content {
    text-align: center;
    padding: 40px;
}

.placeholder-content i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #dee2e6;
}

.placeholder-content h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.placeholder-content p {
    font-size: 1rem;
    color: #6c757d;
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
}

/* Loading and utility classes */
.loading {
    text-align: center;
    color: #6c757d;
    font-style: italic;
    padding: 20px;
}

.error {
    color: var(--additional-color);
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--border-radius);
    padding: 10px;
    margin: 10px 0;
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scrollbar styling */
.sidebar-content::-webkit-scrollbar,
.chapters-list::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track,
.chapters-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb,
.chapters-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover,
.chapters-list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }
    
    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 300px;
    }
    
    .content-area {
        height: calc(100vh - var(--navbar-height) - 300px);
    }
}

/* Legacy styles - keeping for compatibility */
a .active {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

#navbar_frame {
    width: 100%;
    border: none;
    height: 55px;
    overflow: hidden;
}

#notable_ac_table {
    padding-left: 45px;
    padding-right: 45px;
    width: 100%;
}

.notable_ac_table_img {
    width: 100%;
}

.notable_ac_table_caption {
    font-weight: bolder;
    font-size: 30px;
}

.notable_ac_table_caption > a {
    text-decoration: none;
    color: black;
}