.floating-buttons {
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        display: flex;
        flex-direction: column;
        gap: 15px;
        z-index: 1000;
    }
    
    .floating-btn {
        padding: 14px 20px;
        border: none;
        border-radius: 12px;
        font-weight: 600;
        cursor: pointer;
        box-shadow: 0 6px 0 #1a252f, 
                    0 8px 12px rgba(0, 0, 0, 0.15);
        transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
        background: #2c3e50;
        color: white;
        text-align: center;
        min-width: 140px;
        font-size: 15px;
        position: relative;
        overflow: hidden;
        text-decoration: none;
        display: inline-block;
        transform-style: preserve-3d;
        perspective: 1000px;
    }
    
    .floating-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(rgba(255,255,255,0.1), transparent);
        pointer-events: none;
        transition: all 0.3s ease;
    }
    
    .floating-btn::after {
        content: '';
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 100%;
        height: 6px;
        background: #1a252f;
        border-radius: 0 0 12px 12px;
        transform-origin: top;
        transform: scaleY(1);
        transition: transform 0.2s ease;
    }
    
    .floating-btn:hover {
        transform: translateY(-2px) rotateX(10deg);
        box-shadow: 0 8px 0 #1a252f, 
                    0 12px 16px rgba(0, 0, 0, 0.2);
    }
    
    .floating-btn:active {
        transform: translateY(4px) rotateX(0deg);
        box-shadow: 0 2px 0 #1a252f, 
                    0 4px 8px rgba(0, 0, 0, 0.1);
        transition: all 0.1s ease;
    }
    
    .floating-btn:active::after {
        transform: scaleY(0.3);
    }
    
    .floating-btn i {
        margin-right: 10px;
        font-size: 16px;
        transition: transform 0.2s ease;
    }
    
    .floating-btn:active i {
        transform: scale(0.95);
    }
    
    .notify-btn {
        position: fixed;
        right: 20px;
        bottom: 20px;
        padding: 14px 24px;
        background: #27ae60;
        color: white;
        border: none;
        border-radius: 12px;
        font-weight: 600;
        cursor: pointer;
        box-shadow: 0 6px 0 #1e8449, 
                    0 8px 12px rgba(0, 0, 0, 0.15);
        transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
        z-index: 1000;
        font-size: 15px;
        transform-style: preserve-3d;
        perspective: 1000px;
    }
    
    .notify-btn::after {
        content: '';
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 100%;
        height: 6px;
        background: #1e8449;
        border-radius: 0 0 12px 12px;
        transform-origin: top;
        transform: scaleY(1);
        transition: transform 0.2s ease;
    }
    
    .notify-btn:hover {
        background: #2ecc71;
        transform: translateY(-2px) rotateX(10deg);
        box-shadow: 0 8px 0 #1e8449, 
                    0 12px 16px rgba(0, 0, 0, 0.2);
    }
    
    .notify-btn:active {
        background: #229955;
        transform: translateY(4px) rotateX(0deg);
        box-shadow: 0 2px 0 #1e8449, 
                    0 4px 8px rgba(0, 0, 0, 0.1);
        transition: all 0.1s ease;
    }
    
    .notify-btn:active::after {
        transform: scaleY(0.3);
    }
    
    /* Modern modal styles */
    .notification-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(5px);
        z-index: 2000;
        justify-content: center;
        align-items: center;
        animation: fadeIn 0.3s ease;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .modal-content {
        background: white;
        padding: 30px;
        border-radius: 16px;
        max-width: 500px;
        width: 90%;
        text-align: center;
        position: relative;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        transform: scale(0.95);
        animation: modalIn 0.3s ease forwards;
        border: 1px solid rgba(255,255,255,0.2);
    }
    
    @keyframes modalIn {
        to { transform: scale(1); }
    }
    
    .close-modal {
        position: absolute;
        top: 15px;
        right: 20px;
        font-size: 24px;
        cursor: pointer;
        color: #7f8c8d;
        transition: all 0.2s ease;
    }
    
    .close-modal:hover {
        color: #e74c3c;
        transform: rotate(90deg);
    }
    
    .modal-content h3 {
        color: #2c3e50;
        font-size: 24px;
        margin-bottom: 20px;
        position: relative;
        display: inline-block;
    }
    
    .modal-content h3::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background: #27ae60;
        border-radius: 3px;
    }
    
    .modal-content p {
        color: #34495e;
        margin-bottom: 15px;
        line-height: 1.6;
    }
    
    .email-highlight {
        display: inline-block;
        background: #f1f8fe;
        padding: 10px 15px;
        border-radius: 8px;
        border-left: 4px solid #3498db;
        font-weight: bold;
        color: #2980b9;
        margin: 15px 0;
        box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    }
    
    /* Mobile close button inside message */
    .mobile-close-btn {
        display: none;
        background: #27ae60;
        color: white;
        border: none;
        border-radius: 8px;
        padding: 10px 20px;
        font-weight: 600;
        margin-top: 20px;
        cursor: pointer;
        box-shadow: 0 4px 0 #1e8449;
        transition: all 0.2s ease;
        position: relative;
        overflow: hidden;
    }
    
    .mobile-close-btn::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 100%;
        height: 4px;
        background: #1e8449;
        border-radius: 0 0 8px 8px;
        transform-origin: top;
        transition: transform 0.2s ease;
    }
    
    .mobile-close-btn:active {
        transform: translateY(4px);
        box-shadow: 0 1px 0 #1e8449;
    }
    
    .mobile-close-btn:active::after {
        transform: scaleY(0.3);
    }
    
    /* Responsive styles */
    @media (max-width: 768px) {
        .floating-buttons {
            display: none;
        }
        
        .notify-btn {
            right: 15px;
            bottom: 15px;
            padding: 12px 18px;
            font-size: 14px;
        }
        
        .modal-content {
            padding: 25px 20px;
        }
        
        .modal-content h3 {
            font-size: 20px;
        }
        
        .email-highlight {
            font-size: 14px;
            padding: 8px 12px;
        }
        
        .close-modal {
            display: none;
        }
        
        .mobile-close-btn {
            display: inline-block;
        }
    }