.buscador-frases {
    align-items: flex-end;
    box-sizing: border-box;
    display: flex;
    gap: 10px;
    margin: 0 auto;
    max-width: 650px;
    padding: 0;
    text-align: left;
    width: calc(100% - 24px);
}

.buscador-frases__etiqueta {
    color: #333;
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    font-family: Tahoma, Geneva, sans-serif;
    font-size: 14px;
    font-weight: 700;
    gap: 6px;
    min-width: 0;
}

.buscador-frases__campo {
    background: #fff;
    border: 1px solid #888;
    border-radius: 4px;
    box-sizing: border-box;
    color: #111;
    font-family: Tahoma, Geneva, sans-serif;
    font-size: 16px;
    height: 44px;
    line-height: 44px;
    min-width: 0;
    padding: 0 12px;
    width: 100%;
}

.buscador-frases__campo:focus {
    border-color: #cc3300;
    box-shadow: 0 0 0 3px rgba(204, 51, 0, 0.18);
    outline: 0;
}

.buscador-frases__campo::placeholder {
    color: #666;
    opacity: 1;
}

.buscador-frases__boton {
    background: #cc3300;
    border: 1px solid #a62900;
    border-radius: 4px;
    box-sizing: border-box;
    color: #fff;
    cursor: pointer;
    font-family: Tahoma, Geneva, sans-serif;
    font-size: 16px;
    font-weight: 700;
    height: 44px;
    line-height: 42px;
    padding: 0 24px;
    text-align: center;
    white-space: nowrap;
}

.buscador-frases__boton:hover,
.buscador-frases__boton:focus {
    background: #a62900;
    outline: 0;
}

.buscador-frases__boton:focus {
    box-shadow: 0 0 0 3px rgba(204, 51, 0, 0.22);
}

@media (max-width: 520px) {
    .buscador-frases {
        align-items: stretch;
        flex-direction: column;
    }

    .buscador-frases__boton {
        width: 100%;
    }
}