/* research.css - Research tab styles (items, filters, sort) */

/* Filter Section */
.filter-section {
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.filter-section::-webkit-scrollbar {
    display: none;
}

/* Keyword Section */
.keyword-section {
    margin-bottom: var(--spacing-lg);
}

.keyword-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.keyword-header:hover {
    box-shadow: var(--shadow-md);
}

.keyword-title {
    font-size: 16px;
    font-weight: 700;
}

.keyword-toggle {
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.keyword-section.expanded .keyword-toggle {
    transform: rotate(180deg);
}

.keyword-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.keyword-section.expanded .keyword-content {
    max-height: 2000px;
}

.keyword-category {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
}

.keyword-category h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.keyword-tag {
    padding: 6px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: var(--text-primary);
}

.keyword-tag .count {
    color: var(--text-muted);
    margin-left: 4px;
}

/* Sort Toggle Button */
.sort-toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.sort-toggle-btn {
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.sort-toggle-btn:hover {
    color: var(--accent-purple);
    border-color: var(--accent-purple);
}

/* Section description in sort row */
.section-desc {
    font-size: 13px;
    color: var(--text-muted);
    flex: 1;
    line-height: 1.4;
}

/* Collapsible Filters */
.filter-collapse {
    margin-bottom: var(--spacing-md);
}

.filter-collapse-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-collapse-toggle:hover {
    color: var(--accent-purple);
    border-color: var(--accent-purple);
}

.filter-collapse-arrow {
    transition: transform 0.2s;
    font-size: 11px;
}

.filter-collapse.expanded .filter-collapse-arrow {
    transform: rotate(180deg);
}

.filter-collapse-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.filter-collapse.expanded .filter-collapse-content {
    max-height: 500px;
}

/* Skeleton Loading */
.skeleton-container {
    padding: var(--spacing-md) 0;
}

.skeleton-header {
    height: 32px;
    width: 40%;
    background: var(--border-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.skeleton-chip {
    height: 32px;
    width: 100px;
    background: var(--border-light);
    border-radius: var(--radius-pill);
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.skeleton-line {
    height: 16px;
    background: var(--border-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-line:last-child {
    margin-bottom: 0;
}

/* Desktop Responsive */
@media (min-width: 768px) {
    .filter-section {
        overflow-x: visible;
    }
}

/* Competitor Analysis Styles */
.competitor-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (min-width: 640px) {
    .competitor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.competitor-card {
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
}

.competitor-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.competitor-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.competitor-platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
}

.competitor-platform-badge.platform-x {
    background: #000;
    color: #fff;
}

.competitor-platform-badge.platform-reddit {
    background: #FF4500;
    color: #fff;
}

.competitor-platform-badge.platform-tiktok {
    background: #00f2ea;
    color: #000;
}

.competitor-platform-badge.platform-instagram {
    background: #E1306C;
    color: #fff;
}

.competitor-status {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    color: #fff;
}

.competitor-card-body {
    margin-bottom: var(--spacing-md);
}

.competitor-username {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.competitor-quick-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    flex-wrap: wrap;
}

.competitor-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.competitor-stage {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.competitor-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-xs);
}

.competitor-tags .tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: var(--text-secondary);
}

.competitor-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
}

.competitor-date {
    font-size: 12px;
    color: var(--text-muted);
}

.competitor-view-link {
    font-size: 13px;
    color: var(--accent-purple);
    font-weight: 600;
}

.competitor-delete-btn {
    padding: 6px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.competitor-delete-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Competitor Report Styles */
.competitor-report-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.competitor-overview,
.competitor-analysis,
.competitor-takeaways {
    white-space: pre-wrap;
    line-height: 1.7;
    color: var(--text-primary);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.competitor-post-card {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.competitor-post-rank {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.competitor-post-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    max-height: 120px;
    overflow: hidden;
}

.competitor-post-metrics {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin: var(--spacing-sm) 0;
}

.competitor-post-metrics .metric {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.competitor-post-media-analysis {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-left: 3px solid var(--accent-purple);
    border-radius: var(--radius-sm);
}

.competitor-post-link {
    font-size: 13px;
    color: var(--accent-purple);
    font-weight: 600;
    text-decoration: none;
}

.competitor-post-link:hover {
    text-decoration: underline;
}