/* বেসিক সেটআপ */
        body { 
            background-color: #f0f2f5 !important; 
            margin: 0; 
            padding: 0; 
            font-family: 'Segoe UI', Arial, sans-serif;
            color: #1c1e21;
        }

        /* স্টিকি হেডার */
        .main-header {
            background: #000 !important;
            padding: 12px 0;
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .header-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        /* --- লোগো ডিজাইন ফিক্স (অন্যান্য পেইজের মতো) --- */
        .logo-text { 
            font-size: 16px; 
            font-weight: 700; 
            color: #fff; 
            text-decoration: none; 
            display: flex; 
            align-items: flex-end; /* লেখা নিচের দিকে এলাইন করবে */
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .x-accent { 
            color: #667eea; 
            font-size: 38px; 
            font-weight: 900; 
            margin: 0 1px;
            line-height: 0.8; /* X এর বেসলাইন ফিক্স */
        }

        .admin-link { color: #888 !important; text-decoration: none; font-size: 13px; }
        .admin-link:hover { color: #fff !important; }

        /* মেনু */
        .nav-menu {
            list-style: none;
            display: flex;
            gap: 20px;
            margin: 0;
            padding: 0;
        }
        .nav-menu li a {
            color: #bbb;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: 0.3s;
        }
        .nav-menu li a:hover, .nav-menu li a.active {
            color: #667eea;
            font-weight: 600;
        }

        /* কন্টেইনার এবং সেকশন */
        .container { 
            max-width: 900px; 
            margin: 30px auto; 
            padding: 0 15px; 
        }

        section {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 25px;
            border: 1px solid #ddd;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        }

        /* Hero Section */
        .hero { text-align: center; }
        .profile-img {
            width: 150px;
            height: auto;
            margin-top: 20px;
            border-radius: 50%;
            background: #f0f2f5;
        }
        .hero h1 { margin: 10px 0; color: #050505; font-size: 28px; }
        .hero p { color: #65676b; font-size: 16px; }

        /* Grid Cards */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .info-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #eee;
        }

        /* Activity Cards */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .activity-card {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid #eee;
            transition: 0.3s;
        }
        .activity-card:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transform: translateY(-3px);
        }
        .activity-card h3 { margin-top: 0; font-size: 18px; }
        .activity-link {
            display: inline-block;
            margin-top: 10px;
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
        }