:root {
            --primary-bg: #f5f7fc;
            --white: #ffffff;
            --text-main: #1d1d1f;
            --text-muted: #86868b;
            --primary-color: #6366f1;
            --gradient-btn: linear-gradient(135deg, #a855f7, #6366f1);
            --border-radius: 16px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
        
        body { background-color: #e5e5e5; overflow-x: hidden; }
        .app-container { 
            width: 100%; max-width: 480px; margin: 0 auto; 
            background-color: var(--primary-bg); 
            background-image: linear-gradient(180deg, #e0e7ff 0%, #f5f7fc 20%); 
            min-height: 100vh; display: flex; flex-direction: column; 
            position: relative; overflow-x: hidden; box-shadow: 0 0 20px rgba(0,0,0,0.1); 
        }

        /* --- Responsive Utility Classes --- */
        .pc-flex { display: none !important; }
        .pc-block { display: none !important; }
        .mobile-flex { display: flex !important; }
        .mobile-block { display: block !important; }

        /* =========================================================
           AUTH STATE CONTROL (LOGIC ẨN/HIỆN KHI ĐĂNG NHẬP)
        ========================================================= */
        .auth-el { display: none !important; }
        body.is-logged-in .auth-el { display: flex !important; }
        body.is-logged-in img.auth-el { display: block !important; }
        body.is-logged-in .guest-el { display: none !important; }

        .balance-pill { 
            background: #f8fafc; color: var(--primary-color); border: 1px solid #e2e8f0; 
            padding: 6px 12px; border-radius: 20px; font-weight: 700; font-size: 13px; 
            align-items: center; gap: 6px; cursor: pointer; transition: all 0.2s;
            box-shadow: 0 2px 8px rgba(0,0,0,0.02); text-decoration: none;
        }
        .balance-pill:hover { background: #e0e7ff; border-color: #c7d2fe; transform: translateY(-1px); }
        .balance-pill .fa-plus { font-size: 10px; margin-left: 2px; color: var(--primary-color); }

        /* =========================================================
           MOBILE HEADER & NAVIGATION
        ========================================================= */
        .header { display: flex; align-items: center; justify-content: space-between; padding: 16px; background: transparent; z-index: 10; }
        .icon-btn { background: var(--white); border: none; width: 36px; height: 36px; border-radius: 50%; color: var(--primary-color); display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 8px rgba(0,0,0,0.05); cursor: pointer; transition: all 0.3s ease; }
        .icon-btn:hover { background: #e0e7ff; transform: scale(1.1); }
        .header-right { display: flex; align-items: center; gap: 10px; }
        
        .btn-login-trigger { background: var(--white); color: var(--primary-color); border: 1px solid rgba(99, 102, 241, 0.2); padding: 8px 16px; border-radius: 20px; font-weight: 600; font-size: 14px; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: all 0.3s ease; }
        .btn-login-trigger:hover { background: var(--gradient-btn); color: white; transform: translateY(-2px); border-color: transparent; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
        
        .user-avatar-header { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--primary-color); object-fit: cover; cursor: pointer; transition: all 0.3s; }
        .user-avatar-header:hover { transform: scale(1.1); box-shadow: 0 0 10px rgba(99, 102, 241, 0.5); }
        .flag-btn { background: var(--white); border: none; padding: 4px 10px; border-radius: 20px; display: flex; align-items: center; gap: 4px; font-weight: bold; font-size: 12px; color: #d32f2f; box-shadow: 0 2px 8px rgba(0,0,0,0.05); cursor: pointer; transition: all 0.3s ease; }
        .flag-btn:hover { background: #ffebee; transform: scale(1.05); }

        /* =========================================================
           MOBILE SIDEBAR (MENU TRƯỢT TỪ TRÁI)
        ========================================================= */
        .mobile-sidebar-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15, 23, 42, 0.5); backdrop-filter: blur(2px); z-index: 999; opacity: 0; visibility: hidden; transition: all 0.3s; }
        .mobile-sidebar-overlay.active { opacity: 1; visibility: visible; }
        
        .mobile-sidebar { 
            position: fixed; top: 0; left: 0; bottom: 0; width: 300px; 
            background: #f0f2f5; z-index: 1000; transform: translateX(-100%); 
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1); 
            overflow-y: auto; box-shadow: 4px 0 20px rgba(0,0,0,0.1); display: flex; flex-direction: column;
        }
        .mobile-sidebar.active { transform: translateX(0); }
        
        .mobile-sidebar-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--white); border-bottom: 1px solid #e2e8f0; }
        .mobile-sidebar-header .logo { display: flex; align-items: center; }
        .mobile-sidebar-close { background: #f1f5f9; border: none; width: 32px; height: 32px; border-radius: 50%; font-size: 16px; color: #64748b; cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; }
        .mobile-sidebar-close:hover { background: #e2e8f0; color: #ef4444; transform: rotate(90deg); }
        .mobile-sidebar-content { padding: 20px; flex: 1; }

        /* --- SIDEBAR SECTIONS (DÙNG CHUNG PC & MOBILE) --- */
        .sidebar-section { 
            background-color: var(--white); 
            background-image: radial-gradient(#cbd5e1 1.5px, transparent 1.5px);
            background-size: 16px 16px; border-radius: 16px; 
            padding: 16px; margin-bottom: 24px; box-shadow: 0 4px 12px rgba(0,0,0,0.02);
        }
        .sidebar-section-header { display: flex; justify-content: space-between; align-items: center; cursor: pointer; margin-bottom: 16px; padding: 0 4px; }
        .sidebar-section-header h4 { font-size: 16px; color: var(--text-main); font-weight: 700; margin: 0; }
        .sidebar-section-header img.filter-arrow { width: 16px; height: 16px; transition: transform 0.3s ease; }
        .sidebar-section.collapsed .sidebar-section-header img.filter-arrow { transform: rotate(180deg); }

        .section-wrapper { display: grid; grid-template-rows: 1fr; transition: grid-template-rows 0.3s ease-out; }
        .sidebar-section.collapsed .section-wrapper { grid-template-rows: 0fr; }
        .section-content { overflow: hidden; }

        .sidebar-item { display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: 12px; color: #334155; font-size: 14.5px; text-decoration: none; font-weight: 600; transition: all 0.2s; margin-bottom: 6px; cursor: pointer; }
        .sidebar-item:hover { background: #f8fafc; }
        .sidebar-item.active { background: #eef2ff; color: var(--primary-color); }
        
        .sb-icon { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: #ede9fe; color: #6366f1; transition: all 0.2s; font-size: 16px; flex-shrink: 0; }
        .sb-icon img { width: 22px; height: 22px; object-fit: contain; }
        .sidebar-item.active .sb-icon { background: var(--primary-color); color: white; box-shadow: 0 4px 10px rgba(99,102,241,0.3); }
        .sidebar-item:hover:not(.active) .sb-icon { transform: scale(1.05); }

        .badge-hot { background: linear-gradient(135deg, #ff4d4f, #ff7875); color: white; border-radius: 12px; padding: 2px 8px; font-size: 10px; margin-left: auto; font-weight: 800; }
        .badge-new { background: linear-gradient(135deg, #ff7a45, #ff9c6e); color: white; border-radius: 12px; padding: 2px 8px; font-size: 10px; margin-left: auto; font-weight: 800; }
        
        .has-sub { display: flex; flex-direction: column;}
        .has-sub > .sidebar-item { margin-bottom: 0; }
        .chevron-icon { margin-left: auto; font-size: 12px; color: #94a3b8; transition: transform 0.3s ease; }
        .has-sub.open .chevron-icon { transform: rotate(180deg); }

        .sub-menu-wrapper { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s ease-out; }
        .has-sub.open .sub-menu-wrapper { grid-template-rows: 1fr; }
        .sub-menu-inner { overflow: hidden; padding-left: 20px; display: flex; flex-direction: column; padding-top: 6px; padding-bottom: 6px; gap: 4px;}
        
        .sub-item { color: #475569; font-size: 13.5px; font-weight: 600; text-decoration: none; padding: 10px 12px; border-radius: 8px; transition: all 0.2s; display: flex; align-items: center; gap: 12px; }
        .sub-item .dot { width: 6px; height: 6px; background: #cbd5e1; border-radius: 50%; transition: background 0.2s; flex-shrink: 0;}
        .sub-item:hover { background: #f8fafc; color: var(--primary-color); }
        .sub-item:hover .dot { background: var(--primary-color); }

        /* =========================================================
           MAIN LAYOUT & CONTENT
        ========================================================= */
        .main-layout { display: flex; flex-direction: column; flex: 1; }
        .main-content { flex: 1; padding-bottom: 90px; }
        .content-grid { display: block; }
        
        .search-container { padding: 0 16px; margin-bottom: 16px; }
        .search-box { background: var(--white); border-radius: 24px; padding: 12px 20px; display: flex; align-items: center; gap: 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.03); color: var(--text-muted); cursor: text; transition: all 0.3s; }
        .search-box:focus-within { box-shadow: 0 6px 16px rgba(99, 102, 241, 0.15); border: 1px solid rgba(99, 102, 241, 0.2); }
        .search-box input { border: none; outline: none; width: 100%; font-size: 14px; background: transparent; }

        .stats-container { display: flex; gap: 12px; padding: 0 16px; margin-bottom: 16px; }
        .stat-card { background: var(--white); flex: 1; padding: 16px; border-radius: var(--border-radius); box-shadow: 0 4px 12px rgba(0,0,0,0.03); position: relative; overflow: hidden; cursor: default; }
        .stat-card:nth-child(1) { border-top: 3px solid #ffca28; }
        .stat-card:nth-child(2) { border-top: 3px solid #f48fb1; }
        .stat-card .icon-wrapper { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
        .stat-card h3 { font-size: 18px; margin-bottom: 4px; color: var(--text-main); }
        .stat-card p { font-size: 12px; color: var(--text-muted); }
        .growth-badge { position: absolute; top: 16px; right: 16px; background: #e8f5e9; color: #4caf50; padding: 4px 8px; border-radius: 12px; font-size: 11px; font-weight: bold; }

        .ticker-wrapper { margin: 0 16px 20px; background: #fdfdff; border: 1px solid #f1f5f9; padding: 8px 12px; border-radius: 30px; display: flex; align-items: center; overflow: hidden; position: relative; box-shadow: 0 2px 10px rgba(0,0,0,0.02); cursor: default; }
        .ticker-icon { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; margin-right: 10px; z-index: 2; flex-shrink: 0; }
        .ticker-content { flex: 1; overflow: hidden; white-space: nowrap; }
        .ticker-text { display: inline-block; font-size: 13px; color: #64748b; animation: marquee 12s linear infinite; }
        .ticker-text strong.name { color: #6366f1; text-transform: uppercase; }
        .ticker-text strong.price { color: #3b82f6; }
        .ticker-text strong.xu { color: #1d1d1f; }
        @keyframes marquee { 0% { transform: translateX(100%); } 100% { transform: translateX(-150%); } }

        /* UI Avatar Wrapper */
        .avatar-wrapper { position: relative; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .avatar-wrapper.post { width: 50px; height: 50px; cursor: pointer; transition: transform 0.3s; }
        .avatar-wrapper.post:hover { transform: scale(1.05); }
        .avatar-wrapper.ins { width: 44px; height: 44px; margin-right: 12px; margin-left: 8px; }
        .avatar-img { width: 72%; height: 72%; border-radius: 50%; object-fit: cover; z-index: 1; }
        .avatar-frame { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; z-index: 2; pointer-events: none; }
        .level-badge { height: 18px; margin-left: 6px; vertical-align: middle; object-fit: contain;}
        .verify-icon { width: 16px; height: 16px; margin-left: 4px; vertical-align: middle; object-fit: contain;}

        /* Posts Section */
        .posts-section { padding: 0 16px; margin-bottom: 24px; }
        .post-card { background: var(--white); border-radius: var(--border-radius); padding: 16px; margin-bottom: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.03); transition: all 0.3s ease; }
        .post-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
        .post-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
        .post-author { display: flex; flex-direction: column; justify-content: center;}
        .post-name-row { display: flex; align-items: center; flex-wrap: wrap; }
        .post-name-row strong { font-size: 15px; cursor: pointer; display: flex; align-items: center; }
        .post-name-row strong:hover { color: var(--primary-color); text-decoration: underline; }
        .badge { background: #ff4757; color: white; font-size: 10px; padding: 2px 6px; border-radius: 10px; font-weight: bold; margin-left: 6px;}
        .post-time { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
        .post-content { font-size: 14.5px; line-height: 1.6; color: var(--text-main); margin-bottom: 12px; }
        .post-content p { margin-bottom: 12px; }
        .post-content a { color: var(--primary-color); text-decoration: none; font-weight: 500; transition: color 0.2s;}
        .post-content a:hover { color: #4f46e5; text-decoration: underline; }
        .post-stats { display: flex; gap: 16px; font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
        .post-actions { display: flex; border-top: 1px solid #f1f5f9; padding-top: 12px; margin-bottom: 12px; }
        .action-btn { flex: 1; background: none; border: none; color: var(--text-muted); font-size: 14px; display: flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer; transition: all 0.3s ease; padding: 8px 0; border-radius: 12px; }
        .action-btn:hover { background: #f1f5f9; color: var(--primary-color); transform: scale(1.02); }
        .action-btn.liked { color: #ef4444; }
        .action-btn.liked:hover { background: #fef2f2; }

        /* Comments Area */
        .comment-section { border-top: 1px dashed #e2e8f0; padding-top: 12px; display: block; }
        .comments-list { margin-bottom: 12px; display: flex; flex-direction: column; gap: 10px; }
        .comment-item { display: flex; gap: 10px; font-size: 13px; animation: fadeIn 0.3s ease; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
        .cmt-avatar { width: 28px; height: 28px; border-radius: 50%; }
        .cmt-box { background: #f8fafc; padding: 8px 12px; border-radius: 14px; border-top-left-radius: 0; color: #1e293b; transition: background 0.3s; }
        .cmt-box:hover { background: #f1f5f9; }
        .cmt-box strong { display: block; font-size: 12px; color: #475569; margin-bottom: 2px; }
        .comment-input-area { display: flex; align-items: center; gap: 10px; }
        .user-cmt-avatar { width: 32px; height: 32px; border-radius: 50%; background: #cbd5e1; color: white; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px; overflow: hidden; }
        .comment-input-area input { flex: 1; background: #f8fafc; border: 1px solid #e2e8f0; padding: 10px 16px; border-radius: 20px; outline: none; font-size: 13px; transition: all 0.3s ease; }
        .comment-input-area input:focus { border-color: var(--primary-color); background: #ffffff; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
        .btn-send-cmt { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; padding: 6px; border-radius: 50%; transition: all 0.3s; }
        .btn-send-cmt:hover { color: var(--primary-color); background: #e0e7ff; transform: scale(1.1); }

        /* Insurance Fund */
        .insurance-section { padding: 0 16px; margin-bottom: 40px; }
        .insurance-card { background: var(--white); border-radius: var(--border-radius); padding: 20px; box-shadow: 0 4px 12px rgba(0,0,0,0.03); border: 1px solid #fdf2f8; transition: all 0.3s ease; }
        .insurance-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
        .insurance-header { display: flex; align-items: center; gap: 8px; color: var(--primary-color); font-weight: bold; font-size: 16px; margin-bottom: 12px; }
        .insurance-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.4; }
        .insurance-search { background: #f8fafc; border: 1px solid #e2e8f0; padding: 10px 16px; border-radius: 12px; display: flex; align-items: center; gap: 8px; margin-bottom: 16px; transition: all 0.3s; }
        .insurance-search:focus-within { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); background: #fff; }
        .insurance-search input { border: none; background: transparent; outline: none; width: 100%; font-size: 13px; }
        .insurance-list { display: flex; flex-direction: column; gap: 10px; }
        .insurance-item { display: flex; align-items: center; padding: 10px 12px; border-radius: 12px; background: #f8fafc; border: 1px solid #f1f5f9; cursor: pointer; transition: all 0.3s ease; }
        .insurance-item:hover { transform: translateX(4px); box-shadow: 0 4px 12px rgba(0,0,0,0.05); filter: brightness(0.97); }
        .insurance-item:nth-child(1) { background: #fffbeb; border-color: #fef3c7; }
        .insurance-item:nth-child(2) { background: #f5f3ff; border-color: #ede9fe; }
        .insurance-item:nth-child(3) { background: #fff1f2; border-color: #ffe4e6; }
        .rank-img { width: 32px; height: 32px; flex-shrink: 0; object-fit: contain; transition: transform 0.3s;}
        .insurance-item:hover .rank-img { transform: scale(1.1); }
        .rank-circle { width: 28px; height: 28px; border-radius: 50%; background: #cbd5e1; color: white; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 13px; flex-shrink: 0; margin-left: 2px; margin-right: 2px; }
        .ins-user-info { flex: 1; overflow: hidden; }
        .ins-user-info strong { display: flex; align-items: center; font-size: 14px; margin-bottom: 2px; white-space: nowrap; text-overflow: ellipsis; }
        .ins-user-info span { color: var(--primary-color); font-weight: bold; font-size: 13px; display: block;}

        /* Bottom Nav & Floating Chat */
        .bottom-nav { position: fixed; bottom: 0; width: 100%; max-width: 480px; background: var(--white); display: flex; justify-content: space-between; padding: 10px 20px 20px; box-shadow: 0 -4px 20px rgba(0,0,0,0.05); border-top-left-radius: 24px; border-top-right-radius: 24px; z-index: 10; }
        .nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--text-muted); font-size: 11px; text-decoration: none; width: 20%; transition: all 0.3s; }
        .nav-item:hover:not(.center-action) { color: var(--primary-color); transform: translateY(-2px); }
        .nav-item.active { color: var(--primary-color); font-weight: 600; }
        .nav-item img { transition: transform 0.3s; }
        .nav-item:hover img { transform: scale(1.1); }
        .nav-item.center-action { position: relative; text-decoration: none; }
        .center-btn { width: 56px; height: 56px; background: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; position: absolute; top: -30px; border: 4px solid var(--white); box-shadow: 0 8px 16px rgba(0,0,0,0.08); transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
        .center-action:hover .center-btn { transform: scale(1.1) translateY(-5px); box-shadow: 0 12px 24px rgba(0,0,0,0.12); }
        .center-text { margin-top: 32px; transition: color 0.3s; }
        .center-action:hover .center-text { color: var(--primary-color); }
        
        .floating-chat { position: fixed; bottom: 100px; right: 20px; width: 56px; height: 56px; cursor: pointer; z-index: 99; transition: transform 0.3s ease; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15)); }
        .floating-chat img { width: 100%; height: 100%; object-fit: contain; }
        .floating-chat:hover { transform: scale(1.1) translateY(-5px); filter: drop-shadow(0 8px 16px rgba(0,0,0,0.2)); }

        /* =========================================================
           BỐ CỤC PC CHUYÊN NGHIỆP (> 1024px)
        ========================================================= */
        @media (min-width: 1024px) {
            html, body { height: 100%; overflow: hidden; }
            body { background: #f0f2f5; }
            
            .app-container { max-width: 100% !important; height: 100vh; flex-direction: column; box-shadow: none; }
            .pc-flex { display: flex !important; }
            .pc-block { display: block !important; }
            .mobile-flex, .mobile-block { display: none !important; }
            .floating-chat { bottom: 40px; right: 40px; width: 64px; height: 64px; }

            /* --- HEADER PC TÁCH KHỐI GIỮA (PILL) --- */
            .header-pc { 
                height: 76px; padding: 0 40px; border-bottom: 1px solid #e2e8f0; 
                background: var(--white); box-shadow: 0 1px 2px rgba(0,0,0,0.03); 
                display: flex; align-items: center; justify-content: space-between; width: 100%;
            }
            .header-pc-left { flex: 1; display: flex; align-items: center; }
            .logo-pc { display: flex; align-items: center; cursor: pointer; text-decoration: none;}
            .logo-pc img { width: 44px; height: 44px; object-fit: contain;}
            .logo-pc span { font-size: 22px; font-weight: 800; color: #1e293b; margin-left: 10px; letter-spacing: 0.5px;}

            /* Giữa: Khung Pill Container */
            .header-pc-center { 
                display: flex; align-items: center; gap: 8px; 
                background: #ffffff; border: 1px solid #e2e8f0; 
                padding: 6px 16px 6px 6px; border-radius: 40px; 
                box-shadow: 0 4px 16px rgba(0,0,0,0.04); justify-content: center;
            }
            .nav-chip-main { 
                background: var(--gradient-btn); color: white; border-radius: 30px; 
                padding: 8px 20px; font-weight: 700; font-size: 14.5px; 
                display: flex; align-items: center; gap: 8px; cursor: pointer; box-shadow: 0 4px 10px rgba(99,102,241,0.3); 
                text-decoration: none;
            }
            .nav-chip-main img { width: 20px; }
            .nav-icon-btn { 
                width: 36px; height: 36px; background: transparent; border-radius: 50%; 
                display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; 
            }
            .nav-icon-btn:hover { background: #f1f5f9; transform: scale(1.1); box-shadow: 0 2px 8px rgba(0,0,0,0.05);}
            .nav-icon-btn img { width: 22px; height: 22px; object-fit: contain; }

            /* Phải: Search + Login / Logged In State */
            .header-pc-right { flex: 1; display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
            .search-pill-pc { 
                background: #f8fafc; color: #6366f1; font-weight: 600; font-size: 14px; 
                border-radius: 30px; padding: 12px 28px; display: flex; align-items: center; gap: 8px; 
                cursor: pointer; border: 1px solid #e2e8f0; transition: all 0.2s; margin-right: 10px;
            }
            .search-pill-pc:hover { background: #e0e7ff; border-color: #c7d2fe; }
            .icon-pill-pc { 
                width: 44px; height: 44px; background: #f8fafc; border: 1px solid #e2e8f0; 
                border-radius: 50%; display: flex; align-items: center; justify-content: center; 
                color: #6366f1; cursor: pointer; font-size: 18px; transition: all 0.2s; text-decoration: none;
            }
            .icon-pill-pc:hover { background: #e0e7ff; border-color: #c7d2fe; }

            .btn-login-pc { 
                background: #e0e7ff; color: #6366f1; font-weight: 700; font-size: 14px; 
                border: none; border-radius: 30px; padding: 12px 28px; cursor: pointer; transition: all 0.2s; 
            }
            .btn-login-pc:hover { background: #c7d2fe; transform: translateY(-2px);}

            .btn-register-pc { 
                background: var(--gradient-btn); color: white; font-weight: 700; font-size: 14px; 
                border: none; border-radius: 30px; padding: 12px 28px; cursor: pointer; 
                box-shadow: 0 4px 12px rgba(99,102,241,0.3); transition: all 0.2s; 
            }
            .btn-register-pc:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(99,102,241,0.4); }

            .btn-lang-pc { 
                background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 30px; padding: 10px 16px; 
                display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; 
                color: #1e293b; cursor: pointer; transition: all 0.2s; 
            }
            .btn-lang-pc:hover { background: #f1f5f9; }

            /* Main Layout PC */
            .main-layout { display: flex; flex-direction: row; flex: 1; overflow: hidden; background-image: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%); }
            
            .sidebar { width: 300px; background: transparent; border-right: none; overflow-y: auto; padding: 24px 20px; }
            
            .main-content { flex: 1; overflow-y: auto; padding: 32px 48px; }
            .stats-container, .ticker-wrapper, .posts-section, .insurance-section { padding: 0; margin-left: 0; margin-right: 0; }
            .stats-container { gap: 32px; margin-bottom: 32px; }
            .stat-card { padding: 24px 32px; border-radius: 20px; }
            .stat-card h3 { font-size: 28px; margin-bottom: 8px;}
            .stat-card p { font-size: 14px; }
            .stat-card .icon-wrapper { width: 40px; height: 40px; margin-bottom: 16px; }
            
            .ticker-wrapper { margin-bottom: 32px; padding: 12px 20px; border: none; box-shadow: 0 2px 12px rgba(0,0,0,0.03); border-radius: 40px;}
            .ticker-icon { width: 32px; height: 32px; margin-right: 14px; }
            .ticker-text { font-size: 15px; }

            .content-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); gap: 40px; align-items: start; }
            
            .post-card { padding: 24px; margin-bottom: 24px; border-radius: 20px; }
            .avatar-wrapper.post { width: 56px; height: 56px; }
            .post-name-row strong { font-size: 16px; }
            .post-content { font-size: 15.5px; line-height: 1.7; }
            
            .insurance-section { position: sticky; top: 0; }
            .insurance-card { padding: 24px; border-radius: 20px; border: none; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
            .insurance-header { font-size: 18px; margin-bottom: 16px; }
            .insurance-item { padding: 14px; }
            .avatar-wrapper.ins { width: 48px; height: 48px; margin-right: 14px;}
            .ins-user-info strong { font-size: 15px; }
            .ins-user-info span { font-size: 14px; }
        }

        /* --- Modals --- */
        .custom-alert-overlay, .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 9999; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
        .custom-alert-overlay.active, .modal-overlay.active { opacity: 1; visibility: visible; }
        .custom-alert-box, .login-box { background: var(--white); width: 85%; max-width: 320px; padding: 24px; border-radius: 24px; text-align: center; transform: scale(0.9) translateY(20px); transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: 0 20px 40px rgba(0,0,0,0.15); }
        .custom-alert-overlay.active .custom-alert-box, .modal-overlay.active .login-box { transform: scale(1) translateY(0); }
        .custom-alert-icon { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
        .custom-alert-box h4, .login-box h3 { font-size: 18px; margin-bottom: 8px; font-weight: 700; color: var(--text-main); }
        .custom-alert-box p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.5; }
        .custom-alert-btn, .btn-submit { background: var(--gradient-btn); color: white; border: none; width: 100%; padding: 12px; border-radius: 12px; font-weight: 600; font-size: 15px; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); outline: none; display: flex; align-items: center; justify-content: center; gap: 8px;}
        .custom-alert-btn:hover, .btn-submit:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4); }
        .input-group { margin-bottom: 20px; text-align: left; margin-top: 16px;}
        .input-group label { display: block; font-size: 13px; margin-bottom: 8px; color: var(--text-muted); font-weight: 500;}
        .input-group input { width: 100%; padding: 12px; border: 1px solid #e2e8f0; border-radius: 12px; font-size: 14px; outline: none; transition: all 0.3s; }
        .input-group input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }
        .loader { display: none; width: 20px; height: 20px; border: 3px solid rgba(255,255,255,0.3); border-radius: 50%; border-top-color: #fff; animation: spin 1s infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }
        .close-modal { position: absolute; top: 12px; right: 16px; background: #f1f5f9; border: none; width: 32px; height: 32px; border-radius: 50%; font-size: 18px; color: #64748b; cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; }
        .close-modal:hover { background: #e2e8f0; color: #ef4444; transform: rotate(90deg); }