.btn {
    font-size: 1rem;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.btn:hover {
    transform: translateY(-3px);
}
.btn:active {
    transform: translateY(1px);
}

.btn.auth {
    width: 100%;
}

.btn.primary {
    background-color: royalblue;
    color: #fff;
}

.btn.secondary {
    background: #334155;
    color: #e2e8f0;
    border: 1px solid #475569;
}
.btn.secondary:hover {
    background: #475569;
}

.btn.danger {
    background-color: rgb(225, 65, 65);
    color: #fff;
}