/* ==============================================
   USER PROFILE PAGE STYLES
   ============================================== */

/* Loading State */
.user-profile-loading {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.user-profile-loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(0, 180, 255, 0.2);
    border-top-color: #00b4ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.user-profile-loading-text {
    color: #64748b;
    font-size: 0.95rem;
}

/* Error State */
.user-profile-error {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.user-profile-error-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.user-profile-error-icon i {
    font-size: 2.5rem;
    color: #dc3545;
}

.user-profile-error-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.user-profile-error-text {
    color: #64748b;
    margin: 0 0 1.5rem 0;
}

.user-profile-error-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #00b4ff;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.user-profile-error-button:hover {
    background: #0095d6;
}

/* Page Container */
.user-profile-page {
    background: #f8fafc;
    min-height: 100vh;
}

body.dark-mode .user-profile-page {
    background: #0f172a;
}

/* ==============================================
   HERO SECTION
   ============================================== */

.user-profile-hero {
    position: relative;
    padding: 0;
    overflow: hidden;
}

.user-profile-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #00b4ff 0%, #0066cc 100%);
}

.user-profile-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}

.user-profile-hero-container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: calc(80px + 3rem) 1rem 2rem; /* Top padding = nav height + extra space */
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

/* Avatar Section */
.user-profile-avatar-section {
    flex-shrink: 0;
}

.user-profile-avatar-wrapper {
    position: relative;
}

.user-profile-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    object-fit: cover;
}

.user-profile-avatar-edit {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #00b4ff;
    color: white;
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.user-profile-avatar-edit:hover {
    background: #0095d6;
}

/* Info Section */
.user-profile-info-section {
    flex: 1;
    color: white;
}

.user-profile-name-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.user-profile-name {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.user-profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-profile-badge.premium {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.user-profile-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.user-profile-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.user-profile-meta-item i {
    font-size: 1rem;
}

/* Stats */
.user-profile-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding: 1rem 0;
}

.user-profile-stat {
    text-align: center;
}

.user-profile-stat .stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
}

.user-profile-stat .stat-label {
    font-size: 0.8rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-profile-private-notice {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 0.5rem;
    backdrop-filter: blur(8px);
    font-size: 0.9rem;
}

/* Actions */
.user-profile-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.user-profile-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-profile-action-btn.primary {
    background: white;
    color: #00b4ff;
}

.user-profile-action-btn.primary:hover {
    background: #f0f9ff;
}

.user-profile-action-btn.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.user-profile-action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.user-profile-action-btn.following {
    background: #10b981;
    color: white;
}

.user-profile-action-btn.following:hover {
    background: #059669;
}

/* ==============================================
   TABS
   ============================================== */

.user-profile-tabs-container {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 10;
}

body.dark-mode .user-profile-tabs-container {
    background: #1e293b;
    border-bottom-color: #334155;
}

.user-profile-tabs {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
}

.user-profile-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: none;
    background: transparent;
    color: #64748b;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-profile-tab:hover {
    background: #f1f5f9;
    color: #334155;
}

.user-profile-tab.active {
    background: #00b4ff;
    color: white;
}

body.dark-mode .user-profile-tab {
    color: #94a3b8;
}

body.dark-mode .user-profile-tab:hover {
    background: #334155;
    color: #e2e8f0;
}

body.dark-mode .user-profile-tab.active {
    background: #00b4ff;
    color: white;
}

/* ==============================================
   CONTENT AREA
   ============================================== */

.user-profile-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ==============================================
   READING ACTIVITY COMPONENT
   ============================================== */

.user-reading-activity {
    width: 100%;
}

.activity-loading,
.activity-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.activity-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 180, 255, 0.2);
    border-top-color: #00b4ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.activity-empty-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.activity-empty-icon i {
    font-size: 1.75rem;
    color: #64748b;
}

.activity-empty h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.activity-empty p {
    color: #64748b;
    margin: 0 0 1.5rem 0;
}

.activity-empty-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #00b4ff;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.activity-empty-btn:hover {
    background: #0095d6;
}

body.dark-mode .activity-empty-icon {
    background: #334155;
}

body.dark-mode .activity-empty h3 {
    color: #f1f5f9;
}

body.dark-mode .activity-empty p {
    color: #94a3b8;
}

/* Activity Sections */
.activity-section {
    margin-bottom: 2.5rem;
}

.activity-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.activity-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.activity-section-title i {
    color: #00b4ff;
}

.activity-section-count {
    background: #e2e8f0;
    color: #64748b;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

body.dark-mode .activity-section-title {
    color: #f1f5f9;
}

body.dark-mode .activity-section-count {
    background: #334155;
    color: #94a3b8;
}

/* Books Grid */
.activity-books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.activity-book-card {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.2s ease;
}

.activity-book-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

body.dark-mode .activity-book-card {
    background: #1e293b;
}

.activity-book-cover {
    position: relative;
    flex-shrink: 0;
    width: 80px;
    height: 120px;
    border-radius: 0.5rem;
    overflow: hidden;
}

.activity-book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.activity-progress-ring {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-progress-text {
    font-size: 0.6rem;
    font-weight: 700;
    color: white;
}

.activity-completed-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
}

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

.activity-book-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 0.25rem 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-book-author {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0 0 0.75rem 0;
}

.activity-progress-bar {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.activity-progress-fill {
    height: 100%;
    background: #00b4ff;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.activity-time-spent {
    font-size: 0.75rem;
    color: #94a3b8;
}

.activity-book-rating {
    display: flex;
    gap: 0.125rem;
    margin-bottom: 0.5rem;
}

.activity-book-rating i {
    font-size: 0.75rem;
    color: #fbbf24;
}

.activity-completion-date {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: #94a3b8;
}

body.dark-mode .activity-book-title {
    color: #f1f5f9;
}

body.dark-mode .activity-book-author {
    color: #94a3b8;
}

body.dark-mode .activity-progress-bar {
    background: #334155;
}

/* Load More */
.activity-load-more {
    text-align: center;
    margin-top: 1.5rem;
}

.activity-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: #00b4ff;
    border: 2px solid #00b4ff;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.activity-load-more-btn:hover {
    background: #00b4ff;
    color: white;
}

/* ==============================================
   SOCIAL FEED COMPONENT
   ============================================== */

.user-social-feed {
    width: 100%;
}

.social-loading,
.social-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.social-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 180, 255, 0.2);
    border-top-color: #00b4ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.social-empty-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.social-empty-icon i {
    font-size: 1.75rem;
    color: #64748b;
}

.social-empty h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.social-empty p {
    color: #64748b;
    margin: 0;
}

.social-empty-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #00b4ff;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-top: 0.5rem;
}

.social-empty-action-btn:hover {
    background: #0095d6;
}

body.dark-mode .social-empty-icon {
    background: #334155;
}

body.dark-mode .social-empty h3 {
    color: #f1f5f9;
}

body.dark-mode .social-empty p {
    color: #94a3b8;
}

/* Social Posts */
.social-posts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ==============================================
   SOCIAL TAB - ACTIVITY FEED
   ============================================== */

.user-social-feed {
    padding: 1.5rem 0;
}

/* Loading/Empty States */
.social-loading,
.social-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.social-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e9ecef;
    border-top-color: #00b4ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.social-empty svg {
    opacity: 0.6;
    margin-bottom: 1rem;
    stroke: #94a3b8;
}

.social-empty h4 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
    font-weight: 700;
    font-size: 1.25rem;
}

body.dark-mode .social-empty h4 {
    color: #f1f5f9;
}

.social-empty p {
    margin: 0 0 1rem 0;
    color: #64748b;
}

.social-empty-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #00b4ff;
    color: white !important;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.social-empty-action-btn:hover {
    background: #0095d6;
}

/* Posts List */
.social-posts-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Post Card */
.social-post-card {
    background: white;
    border-radius: 16px;
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
    transition: box-shadow 0.2s;
}

.social-post-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body.dark-mode .social-post-card {
    background: #1e293b;
    border-color: #334155;
}

.social-post-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.social-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00b4ff, #0174B1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    overflow: hidden;
}

.social-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.social-post-meta {
    display: flex;
    flex-direction: column;
}

.social-post-author {
    font-weight: 600;
    color: #1e293b;
    text-decoration: none;
    font-size: 0.95rem;
}

.social-post-author:hover {
    color: #00b4ff;
}

body.dark-mode .social-post-author {
    color: #f1f5f9;
}

.social-post-time {
    font-size: 0.8rem;
    color: #94a3b8;
}

.social-post-content {
    margin-bottom: 0;
}

/* Activity Styles */
.social-post-activity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.social-activity-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
}

.social-activity-icon.reading { background: #e3f2fd; color: #1976d2; }
.social-activity-icon.completed { background: #e8f5e9; color: #388e3c; }
.social-activity-icon.follow { background: #fff3e0; color: #f57c00; }
.social-activity-icon.rating { background: #fffde7; color: #fbc02d; }
.social-activity-icon.comment { background: #f3e5f5; color: #7b1fa2; }
.social-activity-icon.favorite { background: #fce4ec; color: #c2185b; }
.social-activity-icon.audio { background: #e0f7fa; color: #0097a7; }
.social-activity-icon.listening { background: #e0f7fa; color: #0097a7; }
.social-activity-icon.published { background: #e8f5e9; color: #388e3c; }

.social-activity-text {
    font-size: 1rem;
    color: #334155;
}

body.dark-mode .social-activity-text {
    color: #e2e8f0;
}

.social-book-link {
    color: #00b4ff;
    font-weight: 700;
    text-decoration: none;
}

.social-book-link:hover {
    text-decoration: underline;
}

.social-rating-stars {
    color: #f7b500;
    font-weight: 700;
    margin-left: 0.5rem;
}

/* Book Row - Horizontal Layout */
.social-post-book-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 0.75rem;
}

.social-post-cover {
    flex-shrink: 0;
    cursor: pointer;
}

.social-post-cover img {
    width: 100px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.social-post-cover:hover img {
    transform: scale(1.02);
}

.social-post-cover.small img {
    width: 70px;
}

/* Comment/Review Text */
.social-post-comment-text,
.social-post-review {
    flex: 1;
    background: #f8fafc;
    padding: 0.875rem 1rem;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #334155;
}

body.dark-mode .social-post-comment-text,
body.dark-mode .social-post-review {
    background: #0f172a;
    color: #e2e8f0;
}

.social-post-review {
    font-style: italic;
    border-left: 3px solid #00b4ff;
}

/* Author Follow Card */
.social-author-follow-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    margin-top: 0.75rem;
}

.social-author-follow-card:hover {
    border-color: #00b4ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 180, 255, 0.15);
}

body.dark-mode .social-author-follow-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #1a2942 100%);
}

.social-author-avatar-large {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #00b4ff, #0174B1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.social-author-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.social-author-avatar-large svg {
    opacity: 0.8;
}

.social-author-info-large {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.social-author-name-large {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

body.dark-mode .social-author-name-large {
    color: #f1f5f9;
}

.social-author-meta-text {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-author-bio {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.5;
    margin: 0;
}

body.dark-mode .social-author-bio {
    color: #cbd5e1;
}

.social-author-view-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #00b4ff;
    font-weight: 700;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.social-author-view-link svg {
    transition: transform 0.2s;
}

.social-author-follow-card:hover .social-author-view-link svg {
    transform: translateX(3px);
}

/* Load More */
.social-load-more {
    text-align: center;
    padding: 1rem 0;
}

.social-load-more-btn {
    padding: 0.75rem 2rem;
    background: white;
    color: #00b4ff;
    border: 2px solid #00b4ff;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-load-more-btn:hover {
    background: #00b4ff;
    color: white;
}

body.dark-mode .social-load-more-btn {
    background: #1e293b;
    color: #00b4ff;
    border-color: #00b4ff;
}

body.dark-mode .social-load-more-btn:hover {
    background: #00b4ff;
    color: white;
}

.social-loading-more {
    text-align: center;
    padding: 1.5rem 0;
}

/* ==============================================
    flex: 1;
}

.social-post-author {
    display: block;
    font-weight: 600;
    color: #1e293b;
    font-size: 0.9rem;
}

.social-post-time {
    font-size: 0.8rem;
    color: #94a3b8;
}

.social-post-book-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: #f1f5f9;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    color: #64748b;
    text-decoration: none;
    transition: background 0.2s ease;
}

.social-post-book-link:hover {
    background: #e2e8f0;
}

body.dark-mode .social-post-author {
    color: #f1f5f9;
}

body.dark-mode .social-post-book-link {
    background: #334155;
    color: #94a3b8;
}

body.dark-mode .social-post-book-link:hover {
    background: #475569;
}

.social-post-content {
    color: #334155;
    line-height: 1.6;
    margin-bottom: 1rem;
}

body.dark-mode .social-post-content {
    color: #e2e8f0;
}

.social-post-actions {
    display: flex;
    gap: 1.5rem;
}

.social-post-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: #64748b;
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.social-post-action:hover {
    color: #00b4ff;
}

.social-post-action i.liked {
    color: #ef4444;
}

/* Load More */
.social-load-more {
    text-align: center;
    margin-top: 1.5rem;
}

.social-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: #00b4ff;
    border: 2px solid #00b4ff;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-load-more-btn:hover {
    background: #00b4ff;
    color: white;
}

.social-loading-more {
    text-align: center;
    padding: 1rem;
}

.social-loading-more .social-loading-spinner {
    width: 32px;
    height: 32px;
    margin: 0 auto;
}

/* ==============================================
   READING STATS COMPONENT
   ============================================== */

.user-reading-stats {
    width: 100%;
}

.stats-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.stats-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 180, 255, 0.2);
    border-top-color: #00b4ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

/* Stats Cards Grid */
.stats-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stats-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body.dark-mode .stats-card {
    background: #1e293b;
}

.stats-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    font-size: 1.5rem;
}

.stats-card-icon.reading {
    background: rgba(0, 180, 255, 0.1);
    color: #00b4ff;
}

.stats-card-icon.time {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.stats-card-icon.chapters {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.stats-card-icon.streak {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.stats-card-content {
    flex: 1;
}

.stats-card-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #1e293b;
}

.stats-card-label {
    font-size: 0.85rem;
    color: #64748b;
}

body.dark-mode .stats-card-value {
    color: #f1f5f9;
}

body.dark-mode .stats-card-label {
    color: #94a3b8;
}

/* Stats Sections */
.stats-section {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body.dark-mode .stats-section {
    background: #1e293b;
}

.stats-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1.25rem 0;
}

.stats-section-title i {
    color: #00b4ff;
}

body.dark-mode .stats-section-title {
    color: #f1f5f9;
}

/* Category Stats */
.stats-category-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stats-category-item {
    /* container */
}

.stats-category-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.375rem;
}

.stats-category-name {
    font-weight: 500;
    color: #334155;
    font-size: 0.9rem;
}

.stats-category-count {
    font-size: 0.8rem;
    color: #64748b;
}

body.dark-mode .stats-category-name {
    color: #e2e8f0;
}

body.dark-mode .stats-category-count {
    color: #94a3b8;
}

.stats-category-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.stats-category-fill {
    height: 100%;
    background: linear-gradient(90deg, #00b4ff 0%, #0066cc 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

body.dark-mode .stats-category-bar {
    background: #334155;
}

/* Monthly Activity */
.stats-monthly-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
}

.stats-month-cell {
    padding: 1rem 0.5rem;
    text-align: center;
    border-radius: 0.5rem;
    transition: transform 0.2s ease;
}

.stats-month-cell:hover {
    transform: scale(1.05);
}

.stats-month-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: inherit;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.stats-month-value {
    font-size: 0.9rem;
    font-weight: 700;
}

.stats-month-cell.intensity-0 {
    background: #f1f5f9;
    color: #94a3b8;
}

.stats-month-cell.intensity-1 {
    background: rgba(0, 180, 255, 0.15);
    color: #0284c7;
}

.stats-month-cell.intensity-2 {
    background: rgba(0, 180, 255, 0.3);
    color: #0369a1;
}

.stats-month-cell.intensity-3 {
    background: rgba(0, 180, 255, 0.5);
    color: white;
}

.stats-month-cell.intensity-4 {
    background: #00b4ff;
    color: white;
}

body.dark-mode .stats-month-cell.intensity-0 {
    background: #334155;
    color: #64748b;
}

/* Achievements */
.stats-achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.stats-achievement-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 2px solid #e2e8f0;
    transition: all 0.2s ease;
}

.stats-achievement-card.unlocked {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.stats-achievement-card.locked {
    opacity: 0.6;
}

body.dark-mode .stats-achievement-card {
    border-color: #334155;
}

body.dark-mode .stats-achievement-card.unlocked {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.stats-achievement-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    border-radius: 0.75rem;
    font-size: 1.5rem;
    color: #64748b;
}

.stats-achievement-card.unlocked .stats-achievement-icon {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

body.dark-mode .stats-achievement-icon {
    background: #334155;
}

.stats-achievement-info {
    flex: 1;
}

.stats-achievement-name {
    display: block;
    font-weight: 600;
    color: #1e293b;
    font-size: 0.95rem;
}

.stats-achievement-desc {
    font-size: 0.8rem;
    color: #64748b;
}

body.dark-mode .stats-achievement-name {
    color: #f1f5f9;
}

body.dark-mode .stats-achievement-desc {
    color: #94a3b8;
}

.stats-achievement-check {
    color: #10b981;
    font-size: 1.25rem;
}

/* ==============================================
   RESPONSIVE
   ============================================== */

@media (max-width: 768px) {
    .user-profile-hero-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .user-profile-avatar {
        width: 120px;
        height: 120px;
    }

    .user-profile-name {
        font-size: 1.5rem;
    }

    .user-profile-meta {
        justify-content: center;
    }

    .user-profile-stats {
        justify-content: center;
    }

    .user-profile-actions {
        justify-content: center;
    }

    .user-profile-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .user-profile-tab {
        white-space: nowrap;
    }

    .activity-books-grid {
        grid-template-columns: 1fr;
    }

    .stats-monthly-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .stats-achievements-grid {
        grid-template-columns: 1fr;
    }
}