/* ===========================================
   EMBEDDABLE CHARTS SECTION STYLES
   =========================================== */

/* Chart Gallery (List Page) */
.chart-gallery-header {
    margin-bottom: var(--spacing-xl);
}

.chart-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.chart-gallery-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.chart-gallery-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.chart-gallery-preview {
    background: #fafbfc;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.chart-gallery-preview img {
    max-width: 100%;
    height: auto;
    max-height: 200px;
}

.chart-gallery-info {
    padding: var(--spacing-md);
}

.chart-gallery-info h3 {
    font-size: var(--font-size-h6);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.chart-gallery-info h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.chart-gallery-info h3 a:hover {
    color: var(--primary);
}

.chart-gallery-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.chart-gallery-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Chart Single Page */
.chart-page {
    max-width: 900px;
    margin: 0 auto;
}

.chart-page-header {
    margin-bottom: var(--spacing-lg);
}

.chart-page-header h1 {
    font-size: var(--font-size-h2);
}

.chart-container {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.chart-container img {
    max-width: 100%;
    height: auto;
}

.chart-container .chart-watermark {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Toolbar (share, embed, download) */
.chart-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.chart-toolbar .btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Embed Code Box */
.embed-code-section {
    margin-bottom: var(--spacing-lg);
}

.embed-code-section h3 {
    font-size: var(--font-size-h5);
    margin-bottom: var(--spacing-sm);
}

.embed-code-box {
    position: relative;
    background: #1e293b;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

.embed-code-box pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    color: #e2e8f0;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.embed-code-box code {
    color: #93c5fd;
}

.embed-copy-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.embed-copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

.embed-copy-btn.copied {
    background: var(--success);
    color: var(--white);
}

/* Embed Preview */
.embed-preview-section {
    margin-bottom: var(--spacing-lg);
}

.embed-preview-frame {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: #fafbfc;
}

.embed-preview-frame iframe {
    border: none;
    width: 100%;
    min-height: 400px;
}

/* Size Selector */
.embed-size-selector {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.embed-size-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.embed-size-btn.active,
.embed-size-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Share Section */
.chart-share-section {
    margin-bottom: var(--spacing-lg);
}

.chart-share-section h3 {
    font-size: var(--font-size-h5);
    margin-bottom: var(--spacing-sm);
}

.chart-share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* Chart Context / Description */
.chart-context {
    margin-bottom: var(--spacing-lg);
}

.chart-context h2 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
}

/* Embed Mode (bare chart, no chrome) */
.embed-mode {
    margin: 0;
    padding: var(--spacing-md);
    background: var(--white);
}

.embed-mode .chart-container {
    border: none;
    padding: 0;
    margin: 0;
}

.embed-mode .embed-attribution {
    text-align: center;
    margin-top: var(--spacing-xs);
}

.embed-mode .embed-attribution a {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-decoration: none;
}

.embed-mode .embed-attribution a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .chart-gallery-grid {
        grid-template-columns: 1fr;
    }

    .chart-toolbar {
        flex-direction: column;
    }

    .embed-size-selector {
        flex-wrap: wrap;
    }
}