/* Profile Page Styles */
.profile-page {
    min-height: 100vh;
    background: var(--bg-secondary);
    padding-top: var(--spacing-lg);
}

/* Auth Required State */
.auth-required {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--spacing-2xl);
}

.auth-required-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-alpha);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.auth-required-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.auth-required h2 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.auth-required p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    max-width: 400px;
}

/* Profile Header */
.profile-header {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.profile-cover {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
}

.profile-info {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-lg);
    width: 100%;
}

.profile-avatar-section {
    position: relative;
}

.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-full);
    border: 4px solid white;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.avatar-upload-btn {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-full);
    background: var(--primary-color);
    color: white;
    border: 2px solid white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.avatar-upload-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.avatar-upload-input {
    display: none;
}

.profile-details {
    color: white;
    flex: 1;
}

.profile-display-name {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.profile-title {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.profile-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

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

.meta-item i {
    opacity: 0.7;
}

.profile-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-self: flex-start;
}

/* Profile Stats */
.profile-stats {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    transition: all var(--transition-base);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

/* Profile Content */
.profile-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-lg);
    align-items: start;
}

.profile-main {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* Profile Bio */
.profile-bio {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.bio-header {
    display: flex;
    align-items: center;
    justify-content: between;
    margin-bottom: var(--spacing-md);
}

.bio-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.bio-content {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

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

.no-bio {
    color: var(--text-tertiary);
    font-style: italic;
}

/* Profile Tabs */
.profile-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    border-bottom: 2px solid transparent;
    position: relative;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

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

.tab-content {
    display: none;
    padding: var(--spacing-lg);
}

.tab-content.active {
    display: block;
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.activity-item:hover {
    background: var(--gray-100);
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-full);
    background: var(--primary-alpha);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-action {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-link {
    color: var(--primary-color);
    text-decoration: none;
}

.activity-link:hover {
    text-decoration: underline;
}

.activity-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.activity-time {
    color: var(--text-tertiary);
}

.activity-votes {
    color: var(--success-color);
}

/* Questions/Answers Lists */
.questions-list,
.answers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.question-item,
.answer-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.question-item:hover,
.answer-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.question-stats,
.answer-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 80px;
    text-align: center;
}

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

.stat-number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

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

.stat-item.has-answers .stat-number {
    color: var(--success-color);
}

.accepted-badge {
    background: var(--success-color);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: var(--spacing-xs);
}

.question-content,
.answer-content {
    flex: 1;
}

.question-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
}

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

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

.question-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.question-meta,
.answer-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.answer-text {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Badges Section */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.badge-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--primary-color);
}

.badge-item.bronze { border-left-color: #cd7f32; }
.badge-item.silver { border-left-color: #c0c0c0; }
.badge-item.gold { border-left-color: #ffd700; }

.badge-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-full);
    background: var(--primary-alpha);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.badge-item.bronze .badge-icon {
    background: rgba(205, 127, 50, 0.1);
    color: #cd7f32;
}

.badge-item.silver .badge-icon {
    background: rgba(192, 192, 192, 0.1);
    color: #808080;
}

.badge-item.gold .badge-icon {
    background: rgba(255, 215, 0, 0.1);
    color: #b8860b;
}

.badge-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.badge-content p {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.badge-content small {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Tags Stats */
.tag-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.tag-stat-card {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    text-align: center;
}

.tag-stat-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.tag-stats {
    display: flex;
    justify-content: space-around;
}

.tag-stats .stat {
    text-align: center;
}

.tag-stats .stat-number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.tag-stats .stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Profile Sidebar */
.profile-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
}

.sidebar-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.sidebar-card h3 i {
    color: var(--primary-color);
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-tertiary);
}

.empty-state h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* Loading States */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

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

.skeleton-profile-header {
    height: 200px;
    background: var(--gray-200);
    border-radius: var(--border-radius-lg);
}

.skeleton-profile-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.skeleton-stat {
    height: 80px;
    background: var(--gray-200);
    border-radius: var(--border-radius-md);
}

/* Edit Profile Modal */
.edit-profile-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.form-group-full {
    grid-column: 1 / -1;
}

.bio-char-count {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-align: right;
    margin-top: var(--spacing-xs);
}

.bio-char-count.warning {
    color: var(--warning-color);
}

.bio-char-count.error {
    color: var(--danger-color);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Settings */
.settings-section {
    margin-bottom: var(--spacing-xl);
}

.settings-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-info h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.setting-info p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.setting-control {
    flex-shrink: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: var(--transition-base);
    border-radius: var(--border-radius-full);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-base);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .profile-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .profile-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .profile-page {
        padding-top: var(--spacing-md);
    }
    
    .profile-cover {
        height: 150px;
        padding: var(--spacing-md);
    }
    
    .profile-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .profile-avatar-large {
        width: 100px;
        height: 100px;
    }
    
    .profile-actions {
        align-self: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .profile-tabs {
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .tab-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .badges-grid {
        grid-template-columns: 1fr;
    }
    
    .tag-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .question-item,
    .answer-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .question-stats,
    .answer-stats {
        flex-direction: row;
        justify-content: space-around;
        min-width: auto;
    }
    
    .edit-profile-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .profile-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-actions {
        flex-direction: column;
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .profile-page {
        background: white;
    }
    
    .profile-actions,
    .edit-profile-btn,
    .settings-btn {
        display: none;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
    }
    
    .profile-sidebar {
        display: none;
    }
}