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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.slide-in {
    animation: slideIn 0.6s ease-out forwards;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.tab-btn:hover img {
    transform: scale(1.1);
}

.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.input-group input:focus ~ img {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin 0.8s linear infinite;
}

.submit-btn.loading .btn-loader {
    display: block;
}

.submit-btn.loading span {
    visibility: hidden;
}