@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #000000;
            color: #ffffff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body.light-mode {
            background: #fafafa;
            color: #262626;
        }
        
        /* Header */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #000000;
            border-bottom: 1px solid #262626;
            z-index: 1000;
        }
        
        body.light-mode .header {
            background: #ffffff;
            border-bottom-color: #dbdbdb;
        }
        
        .header-container {
            max-width: 975px;
            height: 100%;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(45deg, #00d4ff, #00b8d4);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .logo-icon i {
            color: #ffffff;
            font-size: 18px;
        }
        
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.3px;
        }
        
        body.light-mode .logo-text {
            color: #262626;
        }
        
        .age-badge {
            padding: 2px 8px;
            background: #ef4444;
            color: #ffffff;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 700;
        }
        
        .header-search {
            flex: 1;
            max-width: 268px;
            margin: 0 auto;
        }
        
        .search-input {
            width: 100%;
            height: 36px;
            background: #262626;
            border: 1px solid #262626;
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            color: #ffffff;
            font-family: inherit;
        }
        
        body.light-mode .search-input {
            background: #efefef;
            border-color: #dbdbdb;
            color: #262626;
        }
        
        .search-input::placeholder {
            color: #8e8e8e;
        }
        
        .search-input:focus {
            outline: none;
            border-color: #00d4ff;
        }
        
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            position: relative;
        }
        
        .header-btn {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
        }
        
        body.light-mode .header-btn {
            color: #262626;
        }
        
        .header-btn:hover {
            opacity: 0.6;
        }
        
        .header-btn:focus {
            outline: none;
        }
        
        /* Search Dropdown */
        .search-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 12px;
            background: #262626;
            border: 1px solid #3a3a3a;
            border-radius: 12px;
            padding: 12px;
            width: 280px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            display: none;
            z-index: 2000;
        }
        
        body.light-mode .search-dropdown {
            background: #ffffff;
            border-color: #dbdbdb;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        
        .search-dropdown.active {
            display: block;
        }
        
        .search-dropdown-input {
            width: 100%;
            height: 40px;
            background: #1a1a1a;
            border: 1px solid #3a3a3a;
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            color: #ffffff;
            font-family: inherit;
        }
        
        body.light-mode .search-dropdown-input {
            background: #fafafa;
            border-color: #dbdbdb;
            color: #262626;
        }
        
        .search-dropdown-input::placeholder {
            color: #8e8e8e;
        }
        
        .search-dropdown-input:focus {
            outline: none;
            border-color: #00d4ff;
        }
        
        /* Main Content */
        .main {
            max-width: 630px;
            margin: 60px auto 0;
            padding: 24px 0;
        }
        
        /* Tabs */
        .tabs {
            display: flex;
            gap: 32px;
            padding: 0 20px;
            margin-bottom: 24px;
            border-bottom: 1px solid #262626;
        }
        
        body.light-mode .tabs {
            border-bottom-color: #dbdbdb;
        }
        
        .tab {
            padding: 12px 0;
            background: none;
            border: none;
            color: #8e8e8e;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            position: relative;
            font-family: inherit;
        }
        
        .tab.active {
            color: #ffffff;
        }
        
        body.light-mode .tab.active {
            color: #262626;
        }
        
        .tab.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: #ffffff;
        }
        
        body.light-mode .tab.active::after {
            background: #262626;
        }
        
        .tab:hover {
            color: #ffffff;
        }
        
        body.light-mode .tab:hover {
            color: #262626;
        }
        
        /* Posts */
        .posts {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .post {
            background: #000000;
            border: 1px solid #262626;
            border-radius: 0;
        }
        
        body.light-mode .post {
            background: #ffffff;
            border-color: #dbdbdb;
        }
        
        .post-header {
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .post-author {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
        }
        
        .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(45deg, #00d4ff, #00b8d4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 14px;
            font-weight: 700;
            text-decoration: none;
        }
        
        .author-info {
            display: flex;
            flex-direction: column;
        }
        
        .author-username {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            text-decoration: none;
        }
        
        body.light-mode .author-username {
            color: #262626;
        }
        
        .author-username:hover {
            opacity: 0.6;
        }
        
        .author-time {
            font-size: 12px;
            color: #8e8e8e;
        }
        
        .follow-btn {
            padding: 5px 16px;
            background: #00d4ff;
            border: none;
            border-radius: 8px;
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: inherit;
        }
        
        .follow-btn:hover {
            background: #00b8d4;
        }
        
        .follow-btn.following {
            background: transparent;
            border: 1px solid #262626;
            color: #ffffff;
        }
        
        body.light-mode .follow-btn.following {
            border-color: #dbdbdb;
            color: #262626;
        }
        
        .post-media {
            position: relative;
            width: 100%;
            padding-top: 56.25%; /* 16:9 */
            background: #000000;
            overflow: hidden;
        }
        
        .media-img,
        .media-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .media-video {
            display: none;
        }
        
        .media-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 8px;
        }
        
        .media-badge {
            padding: 4px 8px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 4px;
            color: #ffffff;
            font-size: 11px;
            font-weight: 600;
        }
        
        .media-duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 4px 8px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 4px;
            color: #ffffff;
            font-size: 12px;
            font-weight: 600;
        }
        
        .post-actions {
            padding: 8px 16px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .action-btn {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        body.light-mode .action-btn {
            color: #262626;
        }
        
        .action-btn:hover {
            opacity: 0.6;
        }
        
        .action-btn.liked {
            color: #ef4444;
        }
        
        .action-count {
            font-size: 14px;
            font-weight: 600;
        }
        
        .post-stats {
            padding: 0 16px 8px;
        }
        
        .stats-text {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
        }
        
        body.light-mode .stats-text {
            color: #262626;
        }
        
        .post-caption {
            padding: 0 16px 12px;
        }
        
        .caption-text {
            font-size: 14px;
            line-height: 18px;
            color: #ffffff;
            margin-bottom: 4px;
        }
        
        body.light-mode .caption-text {
            color: #262626;
        }
        
        .caption-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        
        .tag {
            color: #00d4ff;
            font-size: 14px;
            text-decoration: none;
        }
        
        .tag:hover {
            text-decoration: underline;
        }
        
        /* Loader */
        .loader {
            padding: 40px;
            text-align: center;
        }
        
        .spinner {
            width: 40px;
            height: 40px;
            border: 3px solid #262626;
            border-top-color: #00d4ff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* Empty */
        .empty {
            padding: 80px 20px;
            text-align: center;
        }
        
        .empty-icon {
            font-size: 48px;
            color: #8e8e8e;
            margin-bottom: 16px;
        }
        
        .empty-text {
            font-size: 16px;
            color: #8e8e8e;
            margin-bottom: 20px;
        }
        
        .empty-btn {
            padding: 8px 24px;
            background: #00d4ff;
            border: none;
            border-radius: 8px;
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: inherit;
        }
        
        .empty-btn:hover {
            background: #00b8d4;
        }
        
        /* Share Modal */
        .modal {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 2000;
        }
        
        .modal.active {
            display: flex;
        }
        
        .modal-content {
            background: #262626;
            border-radius: 12px;
            width: 90%;
            max-width: 400px;
            overflow: hidden;
        }
        
        body.light-mode .modal-content {
            background: #ffffff;
        }
        
        .modal-header {
            padding: 16px;
            border-bottom: 1px solid #3a3a3a;
            text-align: center;
            position: relative;
        }
        
        body.light-mode .modal-header {
            border-bottom-color: #dbdbdb;
        }
        
        .modal-title {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
        }
        
        body.light-mode .modal-title {
            color: #262626;
        }
        
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 20px;
            cursor: pointer;
        }
        
        body.light-mode .modal-close {
            color: #262626;
        }
        
        .share-options {
            padding: 8px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
        }
        
        .share-option {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px;
            background: none;
            border: none;
            width: 100%;
            color: #ffffff;
            font-size: 14px;
            cursor: pointer;
            font-family: inherit;
        }
        
        body.light-mode .share-option {
            color: #262626;
        }
        
        .share-option:hover {
            background: #3a3a3a;
        }
        
        body.light-mode .share-option:hover {
            background: #fafafa;
        }
        
        .share-icon {
            font-size: 20px;
        }
        
        /* Cookie */
        .cookie {
            position: fixed;
            bottom: 20px;
            left: 20px;
            right: 20px;
            max-width: 400px;
            margin: 0 auto;
            background: #262626;
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
            z-index: 1500;
        }
        
        body.light-mode .cookie {
            background: #ffffff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .cookie-text {
            font-size: 14px;
            color: #ffffff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        body.light-mode .cookie-text {
            color: #262626;
        }
        
        .cookie-actions {
            display: flex;
            gap: 8px;
        }
        
        .cookie-btn {
            flex: 1;
            padding: 8px 16px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: inherit;
        }
        
        .cookie-btn.accept {
            background: #00d4ff;
            color: #ffffff;
        }
        
        .cookie-btn.accept:hover {
            background: #00b8d4;
        }
        
        .cookie-btn.decline {
            background: transparent;
            border: 1px solid #3a3a3a;
            color: #ffffff;
        }
        
        body.light-mode .cookie-btn.decline {
            border-color: #dbdbdb;
            color: #262626;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            
            .main {
                padding: 12px 0;
            }
            
            .tabs {
                padding: 0 12px;
            }
            
            .search-dropdown {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                margin: 0;
                width: 100%;
                border-radius: 0;
                border-left: none;
                border-right: none;
            }
            
            .share-options {
                grid-template-columns: 1fr 1fr;
            }
            
            .share-option {
                flex-direction: column;
                text-align: center;
                padding: 20px 12px;
                gap: 8px;
            }
            
            .share-icon {
                font-size: 28px;
            }
            
            .share-option span {
                font-size: 12px;
            }
        }