/* quespedia-inspired layout */
body {
    padding-top: 70px; /* Consistent with main.css for fixed header height */
}

.ques-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

.ques-main-content {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px var(--shadow-color);
     flex: 1;
    min-width: 0; /* Prevents overflow issues */
}

.ques-sidebar {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow-color);
    height: fit-content;
    position: sticky;
    top: 90px; /* Adjusted for body padding */
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
    padding: 8px 15px;
    background: var(--card-bg);
    border-radius: 6px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.breadcrumb a {
    color: var(--nav-link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    margin: 0 6px;
    color: var(--text-color);
    opacity: 0.7;
}

/* quespedia-style typography */
.ques-main-content h1 {
    font-size: 1.8rem;
    border-bottom: 1px solid #a2a9b1;
    padding-bottom: 10px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.ques-main-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid #a2a9b1;
    padding-bottom: 8px;
    margin: 30px 0 15px;
    color: var(--text-color);
}

.ques-main-content h3 {
    font-size: 1.2rem;
    margin: 25px 0 12px;
    color: var(--text-color);
}

.ques-main-content p {
    margin-bottom: 16px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.ques-main-content ul, .ques-main-content ol {
    margin-bottom: 16px;
    padding-left: 40px;
}

.ques-main-content li {
    margin-bottom: 8px;
}

/* quespedia info box */
.ques-infobox {
    border: 1px solid #a2a9b1;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 0.9rem;
    background-color: var(--card-bg);
}

.ques-infobox h3 {
    text-align: center;
    margin-top: 0;
    font-size: 1.1rem;
}

.ques-infobox table {
    width: 100%;
    border-collapse: collapse;
}

.ques-infobox td {
    padding: 5px 10px;
    vertical-align: top;
}

.ques-infobox td:first-child {
    font-weight: bold;
    width: 40%;
}

/* Table of Contents */
.ques-toc {
    border: 1px solid #a2a9b1;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.ques-toc h2 {
    font-size: 1.1rem;
    margin-top: 0;
    text-align: center;
    border-bottom: 1px solid #a2a9b1;
    padding-bottom: 8px;
}

.ques-toc ul {
    list-style-type: none;
    padding-left: 0;
}

.ques-toc li {
    margin-bottom: 5px;
}

.ques-toc a {
    text-decoration: none;
    color: var(--text-color);
}

.ques-toc a:hover {
    text-decoration: underline;
}

/* Sidebar sections */
.ques-sidebar-section {
    margin-bottom: 25px;
}

.ques-sidebar-section h3 {
    font-size: 1rem;
    border-bottom: 1px solid #a2a9b1;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.ques-sidebar-links {
    list-style-type: none;
    padding-left: 0;
}

.ques-sidebar-links li {
    margin-bottom: 8px;
}

.ques-sidebar-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
}

.ques-sidebar-links a:hover {
    text-decoration: underline;
}

/* Subject tables */
.subject-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.subject-table th {
    border: 1px solid #a2a9b1;
    padding: 12px 15px;
    text-align: left;
    font-weight: bold;
}

.subject-table td {
    border: 1px solid #a2a9b1;
    padding: 10px 15px;
    vertical-align: middle;
}

.paper-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.paper-link:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.year-badge {
    display: inline-block;
    padding: 3px 8px;
    background-color: #e6f2ff;
    color: #0645ad;
    border-radius: 3px;
    font-size: 0.8rem;
    border: 1px solid #a2a9b1;
}

/* Download stats */
.download-stats {
    display: flex;
    gap: 15px;
    margin-top: 5px;
    font-size: 0.8rem;
    color: #666;
}

.download-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Navigation buttons */
.ques-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #a2a9b1;
}

.ques-nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background-color: var(--card-bg);
    border: 1px solid #a2a9b1;
    border-radius: 3px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.ques-nav-btn:hover {
    background-color: #f8f9fa;
}

/* Tags */
.ques-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
}

.ques-tag {
    background-color: #e6f2ff;
    color: #0645ad;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 0.8rem;
    text-decoration: none;
    border: 1px solid #a2a9b1;
}

.ques-tag:hover {
    background-color: #d4e6ff;
}

/* Meta information */
.ques-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: #666;
}

/* Subject cards */
.subject-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.subject-card {
    background-color: var(--card-bg);
    border: 1px solid #a2a9b1;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
}

.subject-card:hover {
    box-shadow: 0 5px 15px var(--shadow-color);
    transform: translateY(-5px);
}

.subject-card h4 {
    margin: 0 0 10px 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.subject-card p {
    margin: 0 0 15px 0;
    font-size: 0.9rem;
    color: #666;
}

/* Mobile sidebar - appears below main content */
.mobile-sidebar {
    display: none;
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    margin-top: 30px;
    box-shadow: 0 2px 10px var(--shadow-color);
}

/* Responsive design */
@media (max-width: 992px) {
    .ques-container {
        grid-template-columns: 1fr;
        padding: 10px; /* Reduced padding on mobile to prevent left shift */
    }
    
    .ques-sidebar {
        display: none; /* Fixed typo: was .classes-sidebar */
    }
    
    .mobile-sidebar {
        display: block; /* Show mobile sidebar */
    }
    
    .subject-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .ques-main-content {
        padding: 20px;
    }
    
    .ques-navigation {
        flex-direction: column;
        gap: 10px;
    }
    
    .ques-nav-btn {
        justify-content: center;
    }
    
    .subject-table {
        font-size: 0.8rem;
    }
    
    .subject-table th,
    .subject-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .ques-meta {
        flex-direction: column;
        gap: 5px;
    }
    
    .ques-tags {
        justify-content: center;
    }
    
    .subject-table {
        display: block;
        overflow-x: auto;
    }
    
    .download-stats {
        flex-direction: column;
        gap: 5px;
    }
    
    .ques-container {
        padding: 5px; /* Further reduce on small screens */
    }
}