* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f3f2ef;
    color: #000000e6;
}

/* Navigation Bar */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid #0000001f;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 52px;
}

.nav-container {
    max-width: 1128px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 24px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #0a66c2;
    font-size: 32px;
    margin-right: 8px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    margin-left: 4px;
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.search-bar i {
    position: absolute;
    left: 8px;
    color: #666;
    font-size: 14px;
}

.search-bar input {
    width: 280px;
    height: 34px;
    padding: 0 8px 0 32px;
    background-color: #eef3f8;
    border: none;
    border-radius: 4px;
    font-size: 14px;
}

.search-bar input:focus {
    outline: none;
    background-color: #fff;
}

.nav-right {
    display: flex;
    gap: 4px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 12px;
    text-decoration: none;
    color: #666;
    font-size: 12px;
    cursor: pointer;
    height: 52px;
    justify-content: center;
    transition: color 0.2s;
}

.nav-item:hover {
    color: #000;
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 2px;
}

.nav-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a66c2, #004182);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    font-weight: bold;
    margin-bottom: 2px;
}

.nav-avatar-img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 2px;
}

/* Main Container */
.main-container {
    max-width: 1128px;
    margin: 76px auto 0;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 225px 1fr 300px;
    gap: 24px;
}

.main-container-no-left {
    grid-template-columns: 1fr 300px;
    max-width: 900px;
}

/* Card Styles */
.card {
    background-color: #ffffff;
    border: 1px solid #0000001f;
    border-radius: 8px;
    margin-bottom: 8px;
}

/* Left Sidebar */
.left-sidebar {
    position: sticky;
    top: 76px;
    align-self: flex-start;
}

.profile-card {
    overflow: hidden;
}

.profile-cover {
    height: 54px;
    background: linear-gradient(135deg, #0a66c2, #004182);
}

.profile-info {
    padding: 0 12px 12px;
    text-align: center;
    border-bottom: 1px solid #0000001f;
    margin-top: -24px;
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a66c2, #004182);
    margin: 0 auto 12px;
    border: 2px solid white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.profile-avatar-img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 12px;
    border: 2px solid white;
    object-fit: cover;
    display: block;
}

.profile-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.profile-headline {
    font-size: 12px;
    color: #00000099;
    line-height: 1.4;
}

.profile-stats {
    padding: 12px;
    border-bottom: 1px solid #0000001f;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 12px;
}

.stat-label {
    color: #00000099;
}

.stat-value {
    font-weight: 600;
    color: #0a66c2;
}

.profile-premium,
.profile-saved {
    padding: 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-premium {
    border-bottom: 1px solid #0000001f;
}

.profile-premium:hover,
.profile-saved:hover {
    background-color: #f3f2ef;
}

.profile-premium i {
    color: #915907;
}

.recent-card {
    padding: 12px;
}

.recent-card h4 {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.recent-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.recent-item:hover {
    color: #0a66c2;
}

.recent-item i {
    font-size: 12px;
    color: #666;
}

/* Feed */
.feed {
    max-width: 540px;
}

.post-creator {
    padding: 12px 16px;
}

.post-creator-input {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.creator-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a66c2, #004182);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.creator-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.post-creator-input input {
    flex: 1;
    border: 1px solid #00000099;
    border-radius: 35px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.post-creator-input input:hover {
    background-color: #f3f2ef;
}

.post-creator-actions {
    display: flex;
    justify-content: space-around;
}

.creator-action {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 600;
    color: #00000099;
    cursor: pointer;
    border-radius: 4px;
}

.creator-action:hover {
    background-color: #f3f2ef;
}

.creator-action i {
    font-size: 18px;
}

/* Post */
.post {
    padding: 12px 16px 0;
}

.post-header {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a66c2, #004182);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.post-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    cursor: pointer;
    transition: opacity 0.2s;
}

.post-avatar-img:hover {
    opacity: 0.8;
}

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

.author-name-link {
    text-decoration: none;
    color: inherit;
}

.author-name-link h4 {
    cursor: pointer;
}

.author-name-link:hover h4 {
    color: #0a66c2;
    text-decoration: underline;
}

.post-author-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.post-author-info p {
    font-size: 12px;
    color: #00000099;
    line-height: 1.4;
}

.post-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.post-menu {
    background: none;
    border: none;
    font-size: 20px;
    color: #00000099;
    cursor: pointer;
    padding: 4px;
    height: fit-content;
}

.post-menu:hover {
    background-color: #f3f2ef;
    border-radius: 50%;
}

.post-content {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
    white-space: pre-line;
}

.post-content p {
    margin-bottom: 8px;
}

.post-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-top: 1px solid #0000001f;
    font-size: 12px;
    color: #00000099;
}

.post-reactions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.reaction-icons {
    display: flex;
    gap: -4px;
}

.reaction-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    margin-left: -2px;
}

.reaction-icon:first-child {
    margin-left: 0;
}

.post-counts {
    display: flex;
    gap: 12px;
}

.post-actions {
    display: flex;
    justify-content: space-around;
    padding: 4px 0;
}

.action-btn {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    color: #00000099;
    cursor: pointer;
    border-radius: 4px;
    flex: 1;
    justify-content: center;
}

.action-btn:hover {
    background-color: #f3f2ef;
}

.action-btn i {
    font-size: 16px;
}

/* Right Sidebar */
.right-sidebar {
    position: sticky;
    top: 76px;
    align-self: flex-start;
}

.news-card {
    padding: 12px 16px;
}

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

.news-header h4 {
    font-size: 16px;
    font-weight: 600;
}

.news-header i {
    color: #00000099;
    cursor: pointer;
}

.news-item {
    padding: 8px 0;
    cursor: pointer;
}

.news-item:hover h5 {
    color: #0a66c2;
}

.news-item h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.4;
}

.news-time {
    font-size: 12px;
    color: #00000099;
}

.show-more {
    background: none;
    border: none;
    color: #00000099;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    width: 100%;
    text-align: left;
}

.show-more:hover {
    color: #0a66c2;
}

.promote-card {
    padding: 16px;
    text-align: center;
}

.promote-text {
    font-size: 12px;
    color: #00000099;
    margin-bottom: 12px;
}

.promote-avatar {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background: linear-gradient(135deg, #915907, #d4a650);
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: bold;
}

.promote-btn {
    width: 100%;
    padding: 8px 16px;
    background: none;
    border: 1px solid #0a66c2;
    border-radius: 16px;
    color: #0a66c2;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.promote-btn:hover {
    background-color: #e8f3ff;
    border-width: 2px;
}

.sidebar-footer {
    padding: 16px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin-bottom: 12px;
}

.footer-links a {
    color: #00000099;
    font-size: 12px;
    text-decoration: none;
}

.footer-links a:hover {
    color: #0a66c2;
    text-decoration: underline;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #0a66c2;
}

.footer-logo strong {
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-container {
        grid-template-columns: 1fr;
        max-width: 540px;
    }

    .left-sidebar,
    .right-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 12px;
    }

    .search-bar {
        display: none;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        padding: 0 8px;
    }

    .main-container {
        padding: 0 12px;
    }
}

/* Notification Dropdown */
.notification-badge {
    position: absolute;
    top: 4px;
    right: 8px;
    background-color: #d32f2f;
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    text-align: center;
}

.notification-dropdown {
    position: fixed;
    width: 420px;
    max-height: 80vh;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    z-index: 2000;
}

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

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid #0000001a;
}

.notification-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #000000e6;
}

.mark-read-btn {
    background: none;
    border: none;
    color: #0a66c2;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.mark-read-btn:hover {
    background-color: #e8f0f7;
}

.notification-list {
    flex: 1;
    overflow-y: auto;
    max-height: calc(80vh - 120px);
}

.notification-item {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid #0000000d;
    cursor: pointer;
    transition: background-color 0.2s;
}

.notification-item:hover {
    background-color: #f3f6f8;
}

.notification-item.unread {
    background-color: #e8f0f7;
}

.notification-item.unread:hover {
    background-color: #d9e9f6;
}

.notification-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    color: #00000099;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
}

.notification-content p {
    margin: 0 0 4px 0;
    font-size: 14px;
    color: #000000e6;
    line-height: 1.4;
}

.notification-content strong {
    font-weight: 600;
    color: #000000;
}

.notification-time {
    font-size: 12px;
    color: #00000099;
}

.notification-footer {
    padding: 12px 16px;
    border-top: 1px solid #0000001a;
    text-align: center;
}

.notification-footer a {
    color: #00000099;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.notification-footer a:hover {
    color: #0a66c2;
    text-decoration: underline;
}

/* Active nav item indicator */
.nav-item-active {
    color: #000;
    border-bottom: 2px solid #000;
}