:root {
    --primary-color: #2563eb;
    --secondary-color: #4b5563;
    --accent-color: #dc2626;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #16a34a;
    --error-color: #dc2626;
    --warning-color: #d97706;
    --bg-color: #ffffff;
    --hover-color: #f1f5f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: #ffffff;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    gap: 12px;
}

.search-bar {
    flex: 1;
    max-width: 400px;
    margin: 0 24px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--light-color);
    transition: all 0.2s ease;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-color);
    padding: 8px 12px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-danger:hover {
    background-color: #b91c1c;
}

/* Notification Styles */
.notification-container {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 400px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    max-height: 500px;
    overflow-y: auto;
    display: none;
}

.notification-dropdown.show {
    display: block;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    background: white;
}

.notification-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.notification-list {
    max-height: 300px;
    overflow-y: auto;
    background: white;
}

.notification-item-dropdown {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s ease;
    background: white;
}

.notification-item-dropdown:hover {
    background: var(--light-color);
}

.notification-item-dropdown.unread {
    background: rgba(37, 99, 235, 0.05);
}

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

.notification-message-dropdown {
    font-size: 14px;
    margin-bottom: 4px;
    line-height: 1.4;
    color: var(--text-color);
}

.notification-time-dropdown {
    font-size: 12px;
    color: var(--secondary-color);
}

.notification-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    background: white;
}

.notification-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.notification-footer a:hover {
    text-decoration: underline;
}

/* Notifications Page Styles */
.notifications-page {
    display: none;
    padding: 32px 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-color);
}

.header-actions {
    display: flex;
    gap: 12px;
}

.notifications-container {
    max-width: 800px;
    margin: 0 auto;
}

.notification-item-page {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.notification-item-page:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.notification-item-page.unread {
    background: rgba(37, 99, 235, 0.03);
    border-left: 4px solid var(--primary-color);
}

.notification-header-page {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.notification-message-page {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-color);
    margin-bottom: 8px;
}

.notification-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-time-page {
    font-size: 13px;
    color: var(--secondary-color);
}

.notification-actions {
    display: flex;
    gap: 8px;
}

.notification-post {
    color: var(--primary-color);
    font-weight: 500;
    margin-top: 8px;
    font-size: 14px;
}

.notification-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary-color);
    background: white;
}

.notification-empty i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.unread-indicator {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-left: 8px;
}

/* Main Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
    padding: 32px 0;
    min-height: calc(100vh - 80px);
}

.posts-container {
    min-height: 400px;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Card Styles */
.card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-header {
    margin-bottom: 16px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Post Styles */
.post {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.post:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.post-header {
    padding: 20px 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.post-user-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    flex: 1;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.avatar.small {
    width: 32px;
    height: 32px;
    font-size: 12px;
}

.post-meta {
    flex: 1;
}

.post-author {
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
}

.post-author:hover {
    color: var(--primary-color);
}

.post-username {
    color: var(--secondary-color);
    font-size: 14px;
}

.post-time {
    color: var(--secondary-color);
    font-size: 12px;
    margin-top: 2px;
}

.post-category {
    background: var(--light-color);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.post-content {
    padding: 16px 20px;
}

.post-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
    line-height: 1.4;
}

.post-text {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 15px;
    word-wrap: break-word;
    white-space: pre-line;
}

.post-text.truncated {
    max-height: 4.5em;
    -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

.post-text.expanded {
    max-height: none;
    -webkit-mask-image: none;
    mask-image: none;
}

.post-text.truncated::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(transparent, white 90%);
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.post-text.expanded::after {
    opacity: 0;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.tag {
    background: var(--light-color);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.post-actions {
    display: flex;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    gap: 16px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--secondary-color);
    transition: all 0.2s ease;
    background: none;
    border: none;
    font-size: 14px;
    padding: 6px 8px;
    border-radius: 6px;
}

.action-btn:hover {
    color: var(--primary-color);
    background: var(--light-color);
}

.action-btn.liked {
    color: var(--error-color);
}

.action-btn.saved {
    color: var(--warning-color);
}

.view-counter {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--secondary-color);
    font-size: 12px;
}

/* Comments */
.comments-section {
    padding: 0 20px 20px;
    display: none;
}

.comment {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.comment:last-child {
    border-bottom: none;
}

.comment-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.comment-action-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 12px;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.comment-action-btn:hover {
    background: var(--light-color);
    color: var(--error-color);
}

.comment-action-btn.liked {
    color: var(--error-color);
}

.comment-form {
    margin-top: 16px;
}

.comment-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    font-size: 14px;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--secondary-color);
    padding: 4px;
    border-radius: 4px;
}

.close-btn:hover {
    background: var(--light-color);
}

.modal-body {
    padding: 0 24px 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.form-error {
    color: var(--error-color);
    font-size: 14px;
    margin-top: 6px;
    display: none;
}

.form-input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-error.show {
    display: block;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    display: none;
    font-size: 14px;
}

.alert-success {
    background-color: rgba(22, 163, 74, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.alert-error {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.alert-warning {
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--primary-color);
}

.loading-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Profile Styles */
.profile-page {
    display: none;
}

.profile-header {
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    padding: 48px 0;
    margin-bottom: 32px;
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 24px;
}

.profile-avatar-large {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: white;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 36px;
    border: 4px solid white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.profile-details {
    flex: 1;
}

.profile-name {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-username {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 8px;
}

.profile-field {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.profile-stats {
    display: flex;
    gap: 32px;
}

.stat-item {
    text-align: center;
    cursor: pointer;
}

.stat-number {
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
}

.profile-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.profile-bio {
    line-height: 1.6;
    color: var(--text-color);
}

.profile-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.detail-item i {
    color: var(--primary-color);
    width: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--light-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.2s ease;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
}

.profile-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-follow {
    background-color: var(--primary-color);
    color: white;
}

.btn-unfollow {
    background-color: var(--secondary-color);
    color: white;
}

.profile-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    gap: 8px;
}

.profile-tab {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--secondary-color);
}

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

.tab-content {
    display: none;
}

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

/* Follow/Followers Lists */
.follow-list {
    max-height: 400px;
    overflow-y: auto;
}

.follow-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.follow-item-info {
    flex: 1;
}

.follow-item-name {
    font-weight: 600;
    color: var(--dark-color);
}

.follow-item-username {
    color: var(--secondary-color);
    font-size: 14px;
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Read More Button */
.read-more-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    padding: 6px 12px;
    margin: 8px 0 4px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
    border-radius: 6px;
    position: relative;
}

.read-more-btn:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.read-more-btn:active {
    transform: translateY(0);
}

.read-more-btn i {
    font-size: 12px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 1px;
}

.read-more-btn.expanded i {
    transform: rotate(180deg);
}

/* Alert Toast Styles */
.alert-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.alert-close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
    padding: 4px;
}

.alert-close:hover {
    opacity: 1;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Character counter */
.char-counter {
    font-size: 12px;
    color: var(--secondary-color);
    text-align: right;
    margin-top: 4px;
}

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

.char-counter.error {
    color: var(--error-color);
    font-weight: 600;
}

/* Success text color */
.text-success {
    color: var(--success-color);
}

.text-error {
    color: var(--error-color);
}

/* Loading states for buttons */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-right-color: transparent;
    animation: spin 1s linear infinite;
}

/* Button sizes */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Flex utilities */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-1 { flex: 1; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.space-y-3 > * + * { margin-top: 12px; }
.space-y-4 > * + * { margin-top: 16px; }

/* Text utilities */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-lg { font-size: 18px; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-error { color: var(--error-color); }
.text-success { color: var(--success-color); }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.w-full { width: 100%; }
.hidden { display: none; }

/* Real-time connection status */
#connectionStatus {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 10000;
    font-weight: 500;
    transition: all 0.3s ease;
    background: white;
    border: 1px solid var(--border-color);
}

/* Typing indicator */
.typing-indicator {
    font-style: italic;
    color: var(--secondary-color);
    font-size: 12px;
    padding: 8px 12px;
    background: var(--light-color);
    border-radius: 8px;
    margin-bottom: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Online status indicators */
.online-status {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    display: inline-block;
    margin-left: 8px;
    background: white;
}

.online-status.online {
    background: #dcfce7;
    color: #166534;
}

.online-status.offline {
    background: #f3f4f6;
    color: #6b7280;
}

/* Real-time notification styles */
.realtime-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    max-width: 300px;
    animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Smooth transitions for real-time updates */
.post {
    transition: all 0.3s ease;
}

.post.realtime-new {
    animation: highlight 2s ease;
}

@keyframes highlight {
    0% {
        background-color: rgba(34, 197, 94, 0.1);
        transform: translateY(-10px);
    }
    100% {
        background-color: transparent;
        transform: translateY(0);
    }
}

/* Mobile optimizations for real-time */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .search-bar {
        order: 3;
        margin: 12px 0 0;
        max-width: 100%;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
    }
    
    .profile-info {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        justify-content: center;
    }
    
    .profile-details-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 20px;
    }
    
    .notification-dropdown {
        width: 300px;
        right: -50px;
    }
    
    .post-text.truncated {
        max-height: 4em;
    }
    
    .read-more-btn {
        font-size: 13px;
        padding: 5px 10px;
    }
    
    .read-more-btn:hover {
        transform: none;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    #connectionStatus {
        top: 5px;
        right: 5px;
        font-size: 10px;
        padding: 6px 8px;
    }
    
    .alert-toast {
        min-width: 250px;
        right: 10px;
        left: 10px;
    }
    
    .realtime-notification {
        bottom: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* Advertising Styles */
.sponsored-post {
    position: relative;
    border-left: 4px solid #4F46E5;
    background: white;
}

.sponsored-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: #4F46E5;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.sponsored-image {
    margin: 12px 0;
    border-radius: 8px;
    overflow: hidden;
}

.sponsored-image img {
    width: 100%;
    height: auto;
    display: block;
}

.native-ad {
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    margin: 16px 0;
    position: relative;
    background: white;
}

.ad-disclosure {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 2px;
}

.native-ad-content {
    padding: 16px;
}

.ad-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.ad-sponsor {
    font-size: 0.875rem;
    color: #6B7280;
    font-weight: 500;
}

.ad-body {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.ad-image {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
}

.ad-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-text {
    flex: 1;
}

.ad-text h4 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    font-weight: 600;
}

.ad-text p {
    margin: 0 0 8px 0;
    font-size: 0.875rem;
    color: #6B7280;
}

.sponsored-comment {
    position: relative;
    background: #F9FAFB;
    border-left: 3px solid #8B5CF6;
}

.sponsored-comment-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #8B5CF6;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Ad Settings */
.ad-settings-section {
    background: #F9FAFB;
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
}

.ad-settings-section h3 {
    margin: 0 0 12px 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.ad-frequency-control {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.ad-frequency-control input {
    width: 80px;
    padding: 8px;
    border: 1px solid #D1D5DB;
    border-radius: 4px;
}

.ad-personalization-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Ad container styles */
.post-ad-container {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin: 16px 0;
    background: #f8fafc;
    position: relative;
}

.ad-label {
    position: absolute;
    top: -10px;
    left: 12px;
    background: #6b7280;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.ad-content {
    padding: 16px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.ad-disclaimer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: #f1f5f9;
    border-top: 1px solid #e2e8f0;
    font-size: 0.75rem;
    color: #64748b;
}

.ad-feedback-btn {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px 6px;
}

.ad-feedback-btn:hover {
    color: #374151;
    text-decoration: underline;
}

/* Fallback ad styles */
.fallback-ad {
    text-align: center;
    padding: 20px;
    background: white;
}

.fallback-ad h4 {
    color: #3b82f6;
    margin-bottom: 8px;
}

.fallback-ad p {
    color: #6b7280;
    margin-bottom: 16px;
}

/* Pro features modal styles */
.pro-features {
    margin: 20px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #e5e7eb;
    background: white;
}

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

.feature-item i {
    font-size: 1.5rem;
    color: #3b82f6;
    width: 40px;
    text-align: center;
}

.feature-item h4 {
    margin: 0;
    color: #1f2937;
}

.feature-item p {
    margin: 4px 0 0 0;
    color: #6b7280;
    font-size: 0.9rem;
}

.pro-cta {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #e5e7eb;
    background: white;
}
.replies {
  border-left: 2px solid var(--border-color);
  padding-left: 1rem;
  margin-left: 1rem;
  margin-top: 0.5rem;
}

.reply {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color-light);
}

.reply:last-child {
  border-bottom: none;
}

.reply-actions {
  margin-top: 0.25rem;
}

.reply-actions .comment-action-btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}
.comment-action-btn {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 4px 8px;
        border: none;
        background: none;
        color: var(--secondary-color);
        cursor: pointer;
        border-radius: 4px;
        transition: all 0.2s ease;
        font-size: 12px;
    }

    .comment-action-btn:hover {
        background: var(--hover-color);
        color: var(--text-color);
    }

    .comment-action-btn.liked {
        color: #ef4444;
    }

    .comment-action-btn.liked i {
        color: #ef4444;
    }

    .comment-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 8px;
    }

    .reply-form {
        margin-top: 12px;
        padding: 12px;
        background: var(--light-bg);
        border-radius: 8px;
    }

    .replies {
        margin-top: 12px;
        margin-left: 16px;
        padding-left: 16px;
        border-left: 2px solid var(--border-color);
    }

    .reply {
        margin-bottom: 12px;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--border-color);
    }

    .reply:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

    .reply-actions {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 4px;
    }

/* Responsive ad styles */
@media (max-width: 768px) {
    .post-ad-container {
        margin: 12px 0;
    }
    
    .ad-content {
        padding: 12px;
        min-height: 80px;
    }
    
    .ad-disclaimer {
        padding: 6px 12px;
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
    
    .ad-body {
        flex-direction: column;
    }
    
    .ad-image {
        width: 100%;
        height: 120px;
    }
    
    .sponsored-badge {
        position: static;
        margin-bottom: 8px;
        align-self: flex-start;
    }
    /* Add these styles to the existing CSS in the <style> section */

/* Post Detail Comments */
.comments-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.comment-form {
    margin-bottom: 2rem;
}

.comment {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.comment-author {
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
}

.comment-author:hover {
    color: var(--primary-color);
}

.comment-time {
    font-size: 0.75rem;
    color: var(--secondary-color);
}

.comment-content {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.comment-actions {
    display: flex;
    gap: 1rem;
}

.comment-action-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.comment-action-btn:hover {
    background: var(--hover-color);
    color: var(--text-color);
}

.comment-action-btn.liked {
    color: #ef4444;
}

.comment-action-btn.liked i {
    color: #ef4444;
}

/* Replies */
.replies {
    margin-top: 1rem;
    margin-left: 2rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border-color);
}

.reply {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.reply:last-child {
    border-bottom: none;
}

.reply-form {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 8px;
}

.reply-actions {
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .replies {
        margin-left: 1rem;
        padding-left: 0.75rem;
    }
    
    .comment-actions {
        gap: 0.5rem;
    }
}
    /* Ad comment styles */
.ad-comment {
    border-left: 3px solid #4285f4;
    background-color: #f8f9fa;
    margin-bottom: 1rem;
}

.ad-comment .avatar {
    background: #4285f4 !important;
    color: white;
}

.ad-comment .ad-container {
    border: 1px solid #e0e0e0;
    background: white;
    border-radius: 8px;
}

.ad-comment .comment-actions {
    border-top: 1px solid #e0e0e0;
    padding-top: 8px;
}

/* Make sure ads are properly formatted */
.adsbygoogle {
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto;
}

.ad-author {
    color: #4285f4 !important;
    font-weight: 600;
}

.ad-badge {
    background: #4285f4;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: 8px;
}
.comment, .reply {
  transition: all 0.3s ease;
}

.comment.deleting, .reply.deleting {
  opacity: 0.5;
  transform: translateX(-10px);
}

.reply-form {
  transition: all 0.3s ease;
}

.reply-form.hidden {
  display: none;
  opacity: 0;
}

.reply-form:not(.hidden) {
  display: block;
  opacity: 1;
}

}
/* Hide trending posts in post detail sidebar on mobile */
@media (max-width: 768px) {
    .post-detail-sidebar .card:last-child {
        display: none;
    }
}