/* ============================================
   SEVENTEEN Fan Hub - Forums Styles
   Diamond Theme with Rose Quartz & Serenity
   ============================================ */

/* ============================================
   Page Header
   ============================================ */

.page-header {
    padding: 120px 0 40px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* Forum Header */
.forum-header {
    padding: 120px 0 30px;
}

.forum-header .container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.forum-header-content {
    flex: 1;
    min-width: 300px;
}

.forum-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* ============================================
   Forum Stats Bar
   ============================================ */

.forum-stats-bar {
    background: var(--bg-card);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.stat-box {
    text-align: center;
    min-width: 100px;
}

.stat-box .stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: var(--font-display);
}

.stat-box .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Forum Controls
   ============================================ */

.forum-main {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.forum-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.category-tab {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-tab:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.category-tab.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: var(--text-primary);
}

.forum-sort {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.forum-sort label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.forum-sort select {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
}

.forum-sort select:focus {
    border-color: var(--accent-cyan);
}

/* ============================================
   Forum Categories View
   ============================================ */

.forum-categories-view {
    display: grid;
    gap: var(--spacing-md);
}

.forum-category-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    cursor: pointer;
}

.forum-category-card:hover {
    transform: translateX(4px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.category-icon.hiphop {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.1));
}

.category-icon.vocal {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(34, 211, 238, 0.1));
}

.category-icon.performance {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.2), rgba(255, 107, 157, 0.1));
}

.category-icon.bss {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(251, 191, 36, 0.1));
}

.category-icon.music {
    background: linear-gradient(135deg, rgba(247, 202, 201, 0.3), rgba(146, 168, 209, 0.2));
}

.category-icon.theories {
    background: linear-gradient(135deg, rgba(146, 168, 209, 0.3), rgba(146, 168, 209, 0.1));
}

.category-icon.general {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.category-info {
    flex: 1;
    min-width: 0;
}

.category-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.category-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.category-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.category-stats strong {
    color: var(--accent-cyan);
}

.category-latest {
    text-align: right;
    flex-shrink: 0;
    max-width: 200px;
}

.latest-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.latest-thread {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-fast);
}

.latest-thread:hover {
    color: var(--accent-cyan);
}

/* ============================================
   Thread List View
   ============================================ */

.forum-threads-view,
.forum-thread-view {
    display: none;
}

.threads-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.back-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.current-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.threads-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.thread-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    cursor: pointer;
}

.thread-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.thread-item.pinned {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05), transparent);
}

.thread-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-md);
}

.thread-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pin-icon {
    color: var(--accent-gold);
}

.thread-item-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.thread-item-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.thread-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.thread-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.thread-author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.thread-author-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.thread-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.thread-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.thread-stat svg {
    width: 14px;
    height: 14px;
}

/* No Threads Message */
.no-threads {
    text-align: center;
    padding: var(--spacing-3xl);
}

.no-threads-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.no-threads h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.no-threads p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Single Thread View
   ============================================ */

.thread-post {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.thread-post.original-post {
    border-color: rgba(34, 211, 238, 0.2);
}

.post-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.post-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}

.post-author-info {
    flex: 1;
}

.post-author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.post-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.post-action-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.post-action-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.post-action-btn.upvoted {
    background: rgba(34, 211, 238, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.post-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.post-content p {
    margin-bottom: var(--spacing-md);
}

/* Replies Section */
.replies-section {
    margin-top: var(--spacing-xl);
}

.replies-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.replies-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.reply-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-left: var(--spacing-xl);
}

/* Reply Form */
.reply-form-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.reply-form-container h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.reply-form textarea {
    width: 100%;
    min-height: 120px;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    resize: vertical;
    outline: none;
    transition: border-color var(--transition-fast);
}

.reply-form textarea:focus {
    border-color: var(--accent-cyan);
}

.reply-form textarea::placeholder {
    color: var(--text-muted);
}

.reply-form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-md);
}

.login-prompt {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.login-prompt a {
    color: var(--accent-cyan);
}

/* ============================================
   New Thread Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-lg);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.thread-form {
    padding: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-cyan);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-cyan);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
}

/* ============================================
   User Menu
   ============================================ */

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-btn:hover {
    border-color: var(--accent-cyan);
}

.user-avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 180px;
    padding: var(--spacing-sm) 0;
    display: none;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.user-dropdown.active {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin: var(--spacing-sm) 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .forum-header .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .forum-header-actions {
        justify-content: flex-start;
    }
    
    .stats-grid {
        gap: var(--spacing-lg);
    }
    
    .stat-box .stat-value {
        font-size: 1.5rem;
    }
    
    .forum-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-tabs {
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        flex-wrap: nowrap;
    }
    
    .category-tab {
        white-space: nowrap;
    }
    
    .forum-category-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .category-latest {
        text-align: left;
        max-width: 100%;
        margin-top: var(--spacing-sm);
    }
    
    .thread-item-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .thread-item-meta {
        flex-wrap: wrap;
    }
    
    .reply-item {
        margin-left: 0;
    }
    
    .threads-header {
        flex-direction: column;
        align-items: flex-start;
    }
}