/* Additional CSS for Topic Detailed Sections */
/* Add this to styles.css or include it separately */

/* Topic Detailed Sections */
.topic-subsection {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: color-mix(in oklch, var(--muted) 15%, transparent);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.topic-subsection h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topic-subsection ul {
    list-style: none;
    padding-left: 0;
}

.topic-subsection li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--card-foreground);
    line-height: 1.7;
}

.topic-subsection li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--chart-2);
    font-weight: bold;
}

.topic-subsection li ul {
    margin-top: 0.5rem;
    padding-left: 1.5rem;
}

.topic-summary {
    background: linear-gradient(135deg, color-mix(in oklch, var(--primary) 10%, transparent), color-mix(in oklch, var(--chart-2) 10%, transparent));
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 1.5rem;
    border: 2px solid var(--border);
}

.topic-summary h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.topic-summary p {
    color: var(--card-foreground);
    line-height: 1.8;
    font-size: 1rem;
}

/* Mobile responsiveness for topic sections */
@media (max-width: 768px) {
    .topic-subsection {
        padding: 1rem;
    }

    .topic-summary {
        padding: 1rem;
    }
}

/* Sources Section */
.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.source-card {
    background: var(--card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.source-card h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 3px solid var(--primary);
    padding-bottom: 0.5rem;
}

.source-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.source-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: color-mix(in oklch, var(--muted) 10%, transparent);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--card-foreground);
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.source-item:hover {
    background: color-mix(in oklch, var(--primary) 15%, transparent);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.source-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.source-details {
    flex: 1;
}

.source-details strong {
    display: block;
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.source-details p {
    color: var(--muted-foreground);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.source-details ul {
    list-style: none;
    padding-left: 0;
    margin-top: 0.5rem;
}

.source-details li {
    padding: 0.3rem 0;
    padding-left: 1rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--muted-foreground);
}

.source-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--chart-2);
    font-weight: bold;
}

.quick-ref-section {
    background: linear-gradient(135deg, color-mix(in oklch, var(--primary) 20%, transparent), color-mix(in oklch, var(--chart-2) 20%, transparent));
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 3rem;
    border: 2px solid var(--border);
}

.quick-ref-section h3 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.quick-ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.quick-ref-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--card);
    color: var(--card-foreground);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    font-size: 1rem;
}

.quick-ref-btn:hover {
    background: var(--primary);
    color: var(--primary-foreground);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.quick-ref-btn span:first-child {
    font-size: 2rem;
}

.source-instructions {
    background: var(--card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
}

.source-instructions h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.source-instructions ul {
    list-style: none;
    padding-left: 0;
}

.source-instructions li {
    padding: 0.7rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--card-foreground);
    line-height: 1.6;
}

.source-instructions li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--chart-2);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Mobile responsiveness for sources section */
@media (max-width: 768px) {
    .sources-grid {
        grid-template-columns: 1fr;
    }

    .quick-ref-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .source-card {
        padding: 1.5rem;
    }

    .source-item {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .quick-ref-grid {
        grid-template-columns: 1fr;
    }

    .quick-ref-btn {
        padding: 1rem;
    }
}