body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, #0d47a1 0%, #42a5f5 100%);
    background-attachment: fixed;
}

.link-btn {
    transition: all 0.3s ease;
}
.link-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

#toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(215, 211, 211, 0.85);
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 15px;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 9999;
}
#toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
to {
    opacity: 1;
    transform: translateY(0);
}
}