* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        body {
            background-color: #e0e0e0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            background-color: #ffffff;
            width: 100%;
            max-width: 450px;
            min-height: 850px;
            border-radius: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            padding: 40px 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        /* Top Action Buttons (Left & Right) */
        .action-btn-top {
            position: absolute;
            top: 25px;
            background-color: #f1f3f5;
            color: #2d3748;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.2s, transform 0.1s;
            z-index: 5;
        }

        .qr-btn-top { left: 25px; }
        .share-btn-top { right: 25px; }

        .action-btn-top:hover { background-color: #e2e8f0; }
        .action-btn-top:active { transform: scale(0.95); }

        /* Toast Notification */
        .toast-notification {
            position: absolute;
            top: 75px;
            background-color: #2d3748;
            color: #ffffff;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
            z-index: 10;
        }

        .toast-notification.show { opacity: 1; }

        /* QR Code Modal Box (Pop-up) */
        .qr-modal {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            border-radius: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 20;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .qr-modal.open {
            opacity: 1;
            pointer-events: auto;
        }

        .qr-content {
            background-color: #ffffff;
            padding: 30px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            max-width: 80%;
        }

        .qr-content img {
            width: 180px;
            height: 180px;
            margin-bottom: 15px;
            object-fit: contain;
            border: 1px dashed #cbd5e1; /* Temporary border jab tak image nahi lagayi */
            padding: 5px;
            border-radius: 8px;
        }

        .qr-content p {
            font-size: 0.9rem;
            color: #4a5568;
            margin-bottom: 15px;
            font-weight: 500;
        }

        .close-qr-btn {
            background-color: #2d3748;
            color: #ffffff;
            border: none;
            padding: 8px 20px;
            border-radius: 12px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background-color 0.2s;
        }

        .close-qr-btn:hover { background-color: #1a202c; }

        /* Profile Section */
        .profile-img {
            width: 110px;
            height: 110px;
            border-radius: 50%;
            object-fit: cover;
            margin-top: 15px;
            margin-bottom: 20px;
        }

        .username {
            font-size: 1.4rem;
            font-weight: 700;
            color: #000000;
            margin-bottom: 8px;
        }

        .bio {
            font-size: 0.95rem;
            color: #2c2c2c;
            text-align: center;
            line-height: 1.4;
            max-width: 90%;
            margin-bottom: 20px;
        }

        /* Social Icons */
        .social-icons {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }

        .social-icons a {
            color: #2d3748;
            font-size: 1.4rem;
            text-decoration: none;
            transition: color 0.2s;
        }

        .social-icons a:hover { color: #000000; }

        /* Links Buttons Container */
        .links-container {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 16px;
            flex-grow: 1;
        }

        .link-btn {
            background-color: #2d3748;
            color: #ffffff;
            text-decoration: none;
            padding: 18px 24px;
            border-radius: 16px;
            font-size: 1rem;
            font-weight: 500;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.2s, transform 0.1s;
            width: 100%;
        }

        .link-btn:hover { background-color: #1a202c; }
        .link-btn:active { transform: scale(0.99); }

        .btn-text {
            flex-grow: 1;
            text-align: center;
            margin-left: 16px;
        }

        .three-dots {
            color: #a0aec0;
            font-size: 0.9rem;
        }

        /* Footer Text */
        .footer {
            margin-top: 40px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #000000;
            letter-spacing: -0.5px;
        }

        /* Responsive Mobile Styles */
        @media (max-width: 576px) {
            body { background-color: #ffffff; padding: 0; }
            .container {
                border-radius: 0;
                box-shadow: none;
                min-height: 100vh;
                padding: 40px 20px;
            }
            .action-btn-top { top: 20px; }
            .qr-btn-top { left: 20px; }
            .share-btn-top { right: 20px; }
            .toast-notification { top: 70px; }
            .qr-modal { border-radius: 0; }
        }