body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.banner h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.footer {
    background-color: #343a40;
}

.my-float {
    margin-top: 16px;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    color: white;
    transform: scale(1.1);
}

.fake-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: none;
    z-index: 9999;
    border-left: 5px solid #28a745;
    animation: slideInLeft 0.5s;
    min-width: 250px;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}