/* ========================================
   LESSON DETAIL PAGE - SPECIFIC STYLING
   Additional styles for detailed lesson pages
   ======================================== */

/* Article container */
.lesson-article {
    margin-top: var(--space-xl);
}

.lesson-intro-section p:first-child {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
}

.lesson-intro-section p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* Section styling */
.lesson-section {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.lesson-section:last-of-type {
    border-bottom: none;
}

.lesson-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.lesson-section h3 {
    font-size: 22px;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-md);
    color: var(--color-text);
}

.lesson-section p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
    color: var(--color-text-secondary);
    font-size: 16px;
}

.lesson-section ul {
    margin: var(--space-md) 0 var(--space-md) var(--space-xl);
    line-height: 1.8;
}

.lesson-section ul li {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 16px;
}

.lesson-section ol {
    margin: var(--space-md) 0 var(--space-md) var(--space-xl);
    line-height: 1.8;
}

.lesson-section ol li {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* Challenge box */
.challenge-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    box-shadow: var(--shadow-md);
}

.challenge-box h3 {
    font-size: 22px;
    margin-top: 0;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.challenge-box p {
    margin-bottom: var(--space-md);
}

.challenge-box ul {
    margin-left: var(--space-lg);
}

.challenge-box ol {
    margin-left: var(--space-lg);
}

/* Details/Summary (collapsible) */
.challenge-answer {
    margin-top: var(--space-lg);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.challenge-answer summary {
    padding: var(--space-md);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    list-style: none;
    user-select: none;
    transition: all var(--transition-fast);
}

.challenge-answer summary:hover {
    background: rgba(99, 102, 241, 0.1);
}

.challenge-answer summary::-webkit-details-marker {
    display: none;
}

.challenge-answer[open] summary {
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.answer-content {
    padding: var(--space-lg);
    animation: fadeIn 0.3s ease-out;
}

.answer-content p {
    margin-bottom: var(--space-md);
}

.answer-content p:last-child {
    margin-bottom: 0;
}

/* Ownership table */
.ownership-table {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.ownership-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.ownership-row:last-child {
    border-bottom: none;
}

.ownership-row .owner {
    font-weight: 600;
    color: var(--color-text);
    font-size: 16px;
}

.ownership-row .percentage {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

/* Comparison box */
.comparison-box {
    display: grid;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.comparison-item {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.comparison-item:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.comparison-item strong {
    display: block;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    font-size: 16px;
}

.comparison-item p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
    font-size: 15px;
}

/* Highlight text */
.highlight-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
    margin: var(--space-lg) 0;
}

/* Stock movement sections */
.stock-movement {
    display: grid;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.movement-section {
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 2px solid;
}

.movement-section.up {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(5, 150, 105, 0.08) 100%);
    border-color: rgba(34, 197, 94, 0.3);
}

.movement-section.down {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(220, 38, 38, 0.08) 100%);
    border-color: rgba(239, 68, 68, 0.3);
}

.movement-section h3 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-size: 20px;
}

.movement-section.up h3 {
    color: #059669;
}

.movement-section.down h3 {
    color: #dc2626;
}

.movement-section ul {
    margin-left: var(--space-lg);
}

.movement-section ul li {
    margin-bottom: var(--space-xs);
}

/* Pro tip box */
.pro-tip {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
    border-left: 3px solid #0ea5e9;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.pro-tip strong {
    display: block;
    color: #0369a1;
    margin-bottom: var(--space-sm);
    font-size: 16px;
}

.pro-tip ul {
    margin-top: var(--space-sm);
    margin-left: var(--space-lg);
}

.pro-tip p {
    margin-top: var(--space-md);
    margin-bottom: 0;
}

/* Summary section */
.summary-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 2px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.summary-section h2 {
    color: var(--color-primary);
}

/* Download section */
.download-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.download-section h3 {
    margin-top: 0;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    font-size: 24px;
}

.download-section p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 16px;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    color: white;
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
    color: white;
}

.download-icon {
    font-size: 32px;
    line-height: 1;
}

.download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.download-text strong {
    font-size: 16px;
    font-weight: 600;
}

.download-text small {
    font-size: 13px;
    opacity: 0.9;
    font-weight: 400;
}

/* Key takeaways box */
.key-takeaways {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.key-takeaways h3 {
    margin-top: 0;
    color: var(--color-text);
    font-size: 20px;
}

.key-takeaways ul {
    margin-left: var(--space-xl);
}

.key-takeaways ul li {
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .lesson-section h2 {
        font-size: 24px;
    }

    .lesson-section h3,
    .challenge-box h3 {
        font-size: 20px;
    }

    .challenge-box,
    .summary-section,
    .download-section {
        padding: var(--space-lg);
    }

    .ownership-table,
    .comparison-item,
    .pro-tip {
        padding: var(--space-md);
    }

    .download-button {
        padding: var(--space-md) var(--space-lg);
    }

    .download-icon {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .lesson-section h2 {
        font-size: 22px;
    }

    .lesson-section h3,
    .challenge-box h3 {
        font-size: 18px;
    }

    .lesson-section p,
    .lesson-section ul li,
    .lesson-section ol li {
        font-size: 15px;
    }

    .challenge-box,
    .summary-section,
    .download-section {
        padding: var(--space-md);
    }

    .stock-movement {
        gap: var(--space-md);
    }

    .download-button {
        flex-direction: column;
        padding: var(--space-md);
        text-align: center;
    }

    .download-text {
        align-items: center;
    }
}

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