/* 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: 1.5px 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: 1.5px 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);
}

.sort-toggle-btn.active,
.filter-collapse-toggle.active {
    color: #fff;
    border-color: transparent;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 8px 18px rgba(179, 136, 255, 0.14);
}

html[data-theme="oled"] .sort-toggle-btn.active,
html[data-theme="oled"] .filter-collapse-toggle.active {
    box-shadow: 0 0 0 1px rgba(179, 136, 255, 0.18);
}

/* 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: 1.5px 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-toggle {
    color: #fff;
    border-color: transparent;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 8px 18px rgba(179, 136, 255, 0.14);
}

.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: none;
}

/* 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-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: 1.5px 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: 1.5px 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: normal;
    line-height: 1.7;
    color: var(--text-primary);
    padding: var(--spacing-md);
    text-align: left;
    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;
}

/* ==================== Reddit Sub-Menu ==================== */

.reddit-sub-menu {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
}

.reddit-sub-menu-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.reddit-sub-menu-btn.active {
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.2), rgba(244, 143, 177, 0.2));
    color: var(--text-primary);
}

.reddit-sub-menu-btn:hover:not(.active) {
    background: rgba(179, 136, 255, 0.08);
}

/* ==================== Subreddit Discovery Cards ==================== */

.subreddit-discovery {
    padding-bottom: var(--spacing-xl);
}

.subreddit-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.subreddit-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: 16px;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    transition: transform 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.subreddit-card:active {
    transform: scale(0.98);
}

.subreddit-card.favorited {
    border-color: rgba(179, 136, 255, 0.5);
}

.subreddit-card.archived {
    opacity: 0.6;
}

/* Card header */
.subreddit-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.subreddit-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.subreddit-name-pill {
    display: inline-block;
    padding: 5px 14px;
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.15), rgba(244, 143, 177, 0.15));
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: var(--radius-pill, 50px);
    font-family: 'Clash Display', 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.subreddit-tier {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 10px;
    border-radius: var(--radius-pill, 50px);
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.subreddit-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.subreddit-subscribers {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

/* confidence indicator removed */

/* Description box */
.subreddit-card-description-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-light, rgba(255,255,255,0.06));
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: var(--spacing-md);
}

.subreddit-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Labeled sections */
.subreddit-card-section {
    margin-bottom: var(--spacing-md);
}

.subreddit-section-label {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-purple, #b388ff);
    margin-bottom: 4px;
}

.subreddit-card-fit {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

.subreddit-card-content-type {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.subreddit-card-rules {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.subreddit-sample-titles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.sample-title-chip {
    display: inline-block;
    font-size: 12px;
    color: var(--text-primary);
    padding: 4px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--glass-border, rgba(179, 136, 255, 0.2));
    border-radius: var(--radius-pill, 50px);
    line-height: 1.4;
    font-style: italic;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.sample-title-chip:active {
    background: var(--accent-purple-10, rgba(179, 136, 255, 0.15));
    border-color: var(--accent-purple, #b388ff);
}

/* Score bar */
.subreddit-card-score-bar {
    position: relative;
    height: 22px;
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: 11px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.subreddit-score-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 0.4s ease;
    min-width: 2px;
    background: linear-gradient(135deg, var(--accent-purple, #b388ff), var(--accent-pink, #f48fb1)) !important;
}

.subreddit-score-label {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Card actions — 5 buttons, wrap to 2 rows on mobile */
.subreddit-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.subreddit-action-btn {
    flex: 1 1 auto;
    min-width: calc(33% - 6px);
    padding: 8px 10px;
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap;
}

.subreddit-action-btn:hover {
    border-color: var(--accent-purple, #b388ff);
    color: var(--text-primary);
}

.subreddit-open-btn {
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.15), rgba(244, 143, 177, 0.15));
    color: var(--text-primary);
}

.subreddit-fav-btn.active {
    background: rgba(179, 136, 255, 0.2);
    border-color: var(--accent-purple, #b388ff);
    color: var(--accent-purple, #b388ff);
}

.subreddit-dismiss-btn.active {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
    color: #ff6b6b;
}

/* ==================== Subreddit Details Modal ==================== */

.subreddit-details-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.15s ease;
}

.subreddit-details-modal {
    background: var(--bg-secondary);
    border: 2px solid var(--glass-border, rgba(179, 136, 255, 0.35));
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.subreddit-details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light, rgba(255,255,255,0.06));
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
    border-radius: 16px 16px 0 0;
}

.subreddit-details-header h3 {
    font-family: 'Clash Display', 'Plus Jakarta Sans', sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.subreddit-details-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-primary);
    border-radius: 8px;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.subreddit-details-close:hover {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
}

.subreddit-details-body {
    padding: var(--spacing-lg);
}

.subreddit-details-section {
    margin-bottom: var(--spacing-lg);
}

.subreddit-details-section h4 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-purple, #b388ff);
    margin: 0 0 var(--spacing-sm) 0;
}

/* Top posts in modal */
.subreddit-top-posts {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.subreddit-details-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.4;
}

.subreddit-top-post {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.2s, border-color 0.2s;
}

.subreddit-top-post:hover {
    background: rgba(179, 136, 255, 0.08);
    border-color: var(--accent-purple, #b388ff);
}

.top-post-rank {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-purple, #b388ff);
    flex-shrink: 0;
    width: 24px;
}

.top-post-title {
    flex: 1;
    font-size: 13px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.top-post-score {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
    white-space: nowrap;
}

/* Score grid in modal */
.subreddit-score-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.score-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-row .score-label {
    font-size: 12px;
    color: var(--text-secondary);
    width: 140px;
    flex-shrink: 0;
}

.score-row.penalty .score-label {
    color: #ff6b6b;
}

.score-bar-mini {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.score-bar-fill-mini {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.score-row .score-value {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    width: 28px;
    text-align: right;
    flex-shrink: 0;
}

.subreddit-details-rules {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
    border-radius: 8px;
}

/* Score total */
.score-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1.5px solid var(--glass-border, rgba(179, 136, 255, 0.25));
}

.score-total-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.score-total-value {
    font-size: 15px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-purple, #b388ff), var(--accent-pink, #f48fb1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Tier dot in filter chips */
.tier-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 2px;
}

/* Meta footer */
.subreddit-meta {
    text-align: center;
    font-size: 11px;
    color: var(--text-tertiary, #6b5e7e);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border, rgba(179, 136, 255, 0.15));
}

/* Data Freshness Indicators */
.research-freshness {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.freshness-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.freshness-fresh { background: #22c55e; }
.freshness-stale { background: #eab308; }
.freshness-very-stale { background: #ef4444; }
.freshness-empty { background: #6b7280; }

/* Date Range Filter Pills */
.date-filter-chips {
    margin-top: 4px;
}