/* ============================================================================
   PROFILE ENHANCED - 3-COLUMN LAYOUT WITH DARK MODE
   Modern, Professional Profile Pages for DiscussionSpot
   ============================================================================ */

/* ============================================================================
   CSS VARIABLES - Light & Dark Mode
   ============================================================================ */
:root {
    /* Colors */
    --profile-bg-primary: #ffffff;
    --profile-bg-secondary: #f8f9fa;
    --profile-bg-tertiary: #f0f2f5;
    --profile-text-primary: #1a1a1b;
    --profile-text-secondary: #787c7e;
    --profile-text-muted: #a8a8a8;
    --profile-border: #edeff1;
    --profile-hover: #f6f7f8;
    
    /* Brand colors */
    --profile-primary: #0079d3;
    --profile-primary-hover: #0056b3;
    --profile-accent: #ff4500;
    --profile-success: #46d160;
    --profile-warning: #ffa500;
    --profile-danger: #ff585b;
    
    /* Shadows */
    --profile-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --profile-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
    --profile-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    
    /* Layout */
    --sidebar-left-width: 280px;
    --sidebar-right-width: 320px;
    --profile-border-radius: 8px;
    --profile-spacing: 16px;
}

[data-theme="dark"] {
    /* Dark mode colors */
    --profile-bg-primary: #1a1a1b;
    --profile-bg-secondary: #272729;
    --profile-bg-tertiary: #1f1f20;
    --profile-text-primary: #d7dadc;
    --profile-text-secondary: #818384;
    --profile-text-muted: #6a6a6b;
    --profile-border: #343536;
    --profile-hover: #2d2d2e;
    
    /* Adjust brand colors for dark mode */
    --profile-primary: #8bb7ec;
    --profile-primary-hover: #6a9ad8;
    
    /* Shadows */
    --profile-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --profile-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
    --profile-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* ============================================================================
   LAYOUT - 3 COLUMN GRID
   ============================================================================ */
.profile-enhanced-layout {
    display: grid;
    grid-template-columns: var(--sidebar-left-width) 1fr var(--sidebar-right-width);
    gap: var(--profile-spacing);
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ============================================================================
   SIDEBAR LEFT - User Info
   ============================================================================ */
.profile-sidebar-left {
    position: sticky;
    top: 80px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.profile-sidebar-left::-webkit-scrollbar {
    width: 6px;
}

.profile-sidebar-left::-webkit-scrollbar-track {
    background: var(--profile-bg-secondary);
    border-radius: 3px;
}

.profile-sidebar-left::-webkit-scrollbar-thumb {
    background: var(--profile-border);
    border-radius: 3px;
}

.profile-sidebar-left::-webkit-scrollbar-thumb:hover {
    background: var(--profile-text-secondary);
}

.profile-sidebar-card {
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    padding: var(--profile-spacing);
    margin-bottom: var(--profile-spacing);
    box-shadow: var(--profile-shadow-sm);
    transition: all 0.3s ease;
}

.profile-sidebar-card:hover {
    box-shadow: var(--profile-shadow-md);
}

/* Avatar */
.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--profile-border);
    margin: 0 auto var(--profile-spacing);
    display: block;
    box-shadow: var(--profile-shadow-sm);
}

.profile-avatar-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--profile-primary), var(--profile-accent));
    color: white;
    font-size: 48px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--profile-spacing);
    border: 4px solid var(--profile-border);
    box-shadow: var(--profile-shadow-sm);
}

/* User Info */
.profile-user-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--profile-text-primary);
    text-align: center;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.profile-username {
    font-size: 14px;
    color: var(--profile-text-secondary);
    text-align: center;
    margin-bottom: 12px;
}

.profile-verification-badge {
    color: var(--profile-primary);
    font-size: 18px;
}

.profile-bio {
    font-size: 14px;
    line-height: 1.5;
    color: var(--profile-text-primary);
    text-align: center;
    margin-bottom: 16px;
    padding: 0 8px;
}

/* Quick Stats */
.profile-quick-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.profile-stat-box {
    background: var(--profile-bg-secondary);
    border-radius: 6px;
    padding: 12px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.profile-stat-box:hover {
    background: var(--profile-hover);
    transform: translateY(-2px);
    box-shadow: var(--profile-shadow-sm);
}

.profile-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--profile-text-primary);
    display: block;
    margin-bottom: 4px;
}

.profile-stat-label {
    font-size: 12px;
    color: var(--profile-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Action Buttons */
.profile-action-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--profile-primary), var(--profile-primary-hover));
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.profile-action-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 121, 211, 0.4);
}

.profile-action-secondary {
    width: 100%;
    padding: 10px;
    background: transparent;
    color: var(--profile-text-primary);
    border: 1px solid var(--profile-border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.profile-action-secondary:hover {
    background: var(--profile-bg-secondary);
    border-color: var(--profile-primary);
    color: var(--profile-primary);
}

/* User Links */
.profile-user-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.profile-user-link {
    padding: 10px;
    border-bottom: 1px solid var(--profile-border);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--profile-text-primary);
    transition: all 0.2s ease;
}

.profile-user-link:last-child {
    border-bottom: none;
}

.profile-user-link:hover {
    background: var(--profile-hover);
    color: var(--profile-primary);
}

.profile-user-link i {
    color: var(--profile-text-secondary);
    width: 20px;
    text-align: center;
}

/* ============================================================================
   MAIN CONTENT AREA
   ============================================================================ */
.profile-main-content {
    min-width: 0; /* Prevents grid overflow */
}

/* Profile Header/Banner */
.profile-header-banner {
    background: linear-gradient(135deg, var(--profile-primary) 0%, var(--profile-primary-hover) 100%);
    height: 200px;
    border-radius: var(--profile-border-radius);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--profile-shadow-md);
}

.profile-header-banner.has-image {
    background-size: cover;
    background-position: center;
}

.profile-header-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
}

/* Profile Stats Bar */
.profile-stats-bar {
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: var(--profile-shadow-sm);
}

.profile-stats-bar-item {
    text-align: center;
    flex: 1;
    padding: 0 16px;
    border-right: 1px solid var(--profile-border);
}

.profile-stats-bar-item:last-child {
    border-right: none;
}

.profile-stats-bar-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--profile-text-primary);
    display: block;
    margin-bottom: 4px;
}

.profile-stats-bar-label {
    font-size: 13px;
    color: var(--profile-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Profile Tabs */
.profile-tabs-container {
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    overflow: hidden;
    box-shadow: var(--profile-shadow-sm);
    margin-bottom: 20px;
}

.profile-tabs-nav {
    display: flex;
    background: var(--profile-bg-secondary);
    border-bottom: 2px solid var(--profile-border);
    overflow-x: auto;
}

.profile-tabs-nav::-webkit-scrollbar {
    height: 3px;
}

.profile-tabs-nav::-webkit-scrollbar-track {
    background: var(--profile-bg-secondary);
}

.profile-tabs-nav::-webkit-scrollbar-thumb {
    background: var(--profile-border);
    border-radius: 2px;
}

.profile-tab-link {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--profile-text-secondary);
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-tab-link:hover {
    color: var(--profile-text-primary);
    background: var(--profile-hover);
}

.profile-tab-link.active {
    color: var(--profile-primary);
    border-bottom-color: var(--profile-primary);
    background: var(--profile-bg-primary);
}

.profile-tab-content {
    padding: 20px;
    min-height: 400px;
}

/* Content Feed */
.profile-content-feed {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.profile-content-item {
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    padding: 16px;
    transition: all 0.2s ease;
}

.profile-content-item:hover {
    border-color: var(--profile-primary);
    box-shadow: var(--profile-shadow-md);
}

.profile-content-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.profile-content-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--profile-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.profile-content-icon.post {
    background: rgba(0, 121, 211, 0.1);
    color: var(--profile-primary);
}

.profile-content-icon.comment {
    background: rgba(255, 69, 0, 0.1);
    color: var(--profile-accent);
}

.profile-content-meta {
    flex: 1;
}

.profile-content-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--profile-text-primary);
    margin-bottom: 4px;
}

.profile-content-title a {
    color: var(--profile-text-primary);
    text-decoration: none;
}

.profile-content-title a:hover {
    color: var(--profile-primary);
}

.profile-content-subtitle {
    font-size: 13px;
    color: var(--profile-text-secondary);
}

.profile-content-body {
    font-size: 14px;
    line-height: 1.6;
    color: var(--profile-text-primary);
    margin-bottom: 12px;
}

.profile-content-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.profile-content-action {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--profile-text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
}

.profile-content-action:hover {
    color: var(--profile-primary);
}

/* Empty State */
.profile-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.profile-empty-icon {
    font-size: 64px;
    color: var(--profile-text-muted);
    margin-bottom: 16px;
}

.profile-empty-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--profile-text-primary);
    margin-bottom: 8px;
}

.profile-empty-description {
    font-size: 14px;
    color: var(--profile-text-secondary);
}

/* ============================================================================
   SIDEBAR RIGHT - Ads & Widgets
   ============================================================================ */
.profile-sidebar-right {
    position: sticky;
    top: 80px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.profile-sidebar-right::-webkit-scrollbar {
    width: 6px;
}

.profile-sidebar-right::-webkit-scrollbar-track {
    background: var(--profile-bg-secondary);
    border-radius: 3px;
}

.profile-sidebar-right::-webkit-scrollbar-thumb {
    background: var(--profile-border);
    border-radius: 3px;
}

.profile-widget {
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    padding: var(--profile-spacing);
    margin-bottom: var(--profile-spacing);
    box-shadow: var(--profile-shadow-sm);
}

.profile-widget-header {
    font-size: 14px;
    font-weight: 700;
    color: var(--profile-text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--profile-border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* AdSense Container */
.profile-ad-container {
    background: var(--profile-bg-secondary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    padding: 8px;
    margin-bottom: var(--profile-spacing);
    text-align: center;
    position: relative;
}

.profile-ad-label {
    font-size: 10px;
    color: var(--profile-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.profile-ad-sticky {
    position: sticky;
    top: 480px;
}

/* Suggested Users */
.suggested-user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    margin-bottom: 8px;
}

.suggested-user-item:hover {
    background: var(--profile-hover);
}

.suggested-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

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

.suggested-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--profile-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggested-user-stats {
    font-size: 12px;
    color: var(--profile-text-secondary);
}

.suggested-user-follow {
    padding: 6px 12px;
    background: var(--profile-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.suggested-user-follow:hover {
    background: var(--profile-primary-hover);
}

.suggested-user-follow.following {
    background: transparent;
    color: var(--profile-text-primary);
    border: 1px solid var(--profile-border);
}

/* ============================================================================
   FOLLOW BUTTON COMPONENT
   ============================================================================ */
.follow-button-wrapper {
    width: 100%;
    display: block;
}

.follow-btn {
    width: 100%;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
}

.follow-btn:not(.following) {
    background: linear-gradient(135deg, var(--profile-primary), var(--profile-primary-hover));
    color: white !important;
}

.follow-btn:not(.following):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 121, 211, 0.4);
}

.follow-btn.following {
    background: transparent;
    color: var(--profile-text-primary) !important;
    border: 1px solid var(--profile-border);
}

.follow-btn.following:hover {
    background: var(--profile-danger);
    color: white !important;
    border-color: var(--profile-danger);
}

.follow-btn.following:hover span {
    display: none;
}

.follow-btn.following:hover::after {
    content: 'Unfollow';
    color: white;
}

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

/* Large Desktop (1200px+) - 3 columns */
@media (min-width: 1200px) {
    .profile-enhanced-layout {
        grid-template-columns: var(--sidebar-left-width) 1fr var(--sidebar-right-width);
    }
}

/* Tablet (768px - 1199px) - 2 columns */
@media (min-width: 768px) and (max-width: 1199px) {
    .profile-enhanced-layout {
        grid-template-columns: 1fr var(--sidebar-right-width);
    }
    
    .profile-sidebar-left {
        display: none;
    }
    
    /* Show user info in main content */
    .profile-mobile-user-info {
        display: block;
        background: var(--profile-bg-primary);
        border: 1px solid var(--profile-border);
        border-radius: var(--profile-border-radius);
        padding: var(--profile-spacing);
        margin-bottom: 20px;
        box-shadow: var(--profile-shadow-sm);
    }
}

/* Mobile (< 768px) - 1 column */
@media (max-width: 767px) {
    .profile-enhanced-layout {
        grid-template-columns: 1fr;
        padding: 12px;
        gap: 12px;
    }
    
    .profile-sidebar-left,
    .profile-sidebar-right {
        position: static;
        max-height: none;
    }
    
    .profile-sidebar-right {
        order: 3;
    }
    
    .profile-header-banner {
        height: 120px;
        margin-bottom: 12px;
    }
    
    .profile-stats-bar {
        flex-direction: column;
        gap: 12px;
    }
    
    .profile-stats-bar-item {
        border-right: none;
        border-bottom: 1px solid var(--profile-border);
        padding: 12px 0;
        width: 100%;
    }
    
    .profile-stats-bar-item:last-child {
        border-bottom: none;
    }
    
    .profile-tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .profile-tab-link {
        font-size: 13px;
        padding: 12px 16px;
    }
    
    .profile-tab-content {
        padding: 12px;
    }
    
    .profile-ad-sticky {
        position: static;
    }
    
    /* Stack suggested users vertically on mobile */
    .profile-quick-stats {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   ANIMATIONS & TRANSITIONS
   ============================================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-content-item {
    animation: fadeIn 0.3s ease;
}

.profile-sidebar-card {
    animation: fadeIn 0.4s ease;
}

/* Loading States */
.profile-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    color: var(--profile-text-secondary);
}

.profile-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--profile-border);
    border-top-color: var(--profile-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */
.profile-text-center {
    text-align: center;
}

.profile-mt-1 {
    margin-top: 8px;
}

.profile-mt-2 {
    margin-top: 16px;
}

.profile-mb-1 {
    margin-bottom: 8px;
}

.profile-mb-2 {
    margin-bottom: 16px;
}

.profile-hidden {
    display: none;
}

/* ============================================================================
   PROFILE SHARE DROPDOWN
   ============================================================================ */
.profile-share-dropdown-wrapper {
    position: relative;
    width: 100%;
    display: inline-block;
}

.profile-share-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    width: 100%;
    max-width: 300px;
    background: var(--profile-bg-primary);
    border: 1px solid var(--profile-border);
    border-radius: var(--profile-border-radius);
    box-shadow: var(--profile-shadow-lg);
    margin-top: 8px;
    z-index: 1000;
    overflow: hidden;
    animation: dropdownSlideIn 0.2s ease;
}

/* Responsive adjustments for share dropdown */
@media (max-width: 992px) {
    .profile-share-dropdown {
        right: 0;
        left: auto;
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .profile-share-dropdown {
        right: 0;
        left: auto;
        max-width: 260px;
    }
    
    .profile-share-option {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .profile-share-option i {
        font-size: 16px;
        width: 20px;
    }
}

@media (max-width: 576px) {
    .profile-share-dropdown {
        position: fixed;
        top: auto !important;
        bottom: 20px;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
        max-width: calc(100% - 40px);
        width: 90%;
        max-width: 320px;
        max-height: 70vh;
        overflow-y: auto;
        margin-top: 0;
    }
    
    .profile-share-dropdown-wrapper {
        width: 100%;
    }
    
    .profile-action-secondary {
        width: 100%;
    }
    
    .profile-share-option {
        padding: 14px 16px;
        font-size: 14px;
    }
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-share-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--profile-text-primary);
    text-decoration: none;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--profile-border);
}

.profile-share-option:last-child {
    border-bottom: none;
}

.profile-share-option:hover {
    background: var(--profile-hover);
    color: var(--profile-primary);
}

.profile-share-option i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.profile-share-option span {
    flex: 1;
    color: var(--profile-text-primary);
}

[data-theme="dark"] .profile-share-option span {
    color: var(--profile-text-primary);
}

.profile-share-option:hover span {
    color: var(--profile-primary);
}

/* Smooth Transitions for Theme Toggle */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

button,
a,
.profile-content-item,
.profile-tab-link {
    transition: all 0.2s ease;
}